• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    anchor extender. a non-limiting embodiment of the present application is directed to a system for positioning a connecting element adjacent to one or more bones or bony parts, such as spinal column, using a minimally invasive surgical approach. the system usually includes numerous bony anchors that fit into one or more bones or bony parts and numerous removable anchor extenders that fit into the bone anchors. a connecting element insertion instrument is interlockable with one or more of the anchor extenders and is movable along a longitudinal axis of the anchor extender. when the insertion instrument is removed along the longitudinal axis towards the bone anchors, a lead end of the connecting element is rotated away from the longitudinal axis and the connecting element is positioned adjacent to the number of bone anchors in a minimally invasive surgical procedure. however, in other embodiments, different forms and applications are imagined.
    公开号:BR112012021929B1
    申请号:R112012021929
    申请日:2011-03-02
    公开日:2020-04-14
    发明作者:R Justis Jeff
    申请人:Warsaw Orthopedic Inc；
    IPC主号:
    专利说明:

    “ANCHOR EXTENSOR” FUNDAMENTALS [0001] Various devices and methods for stabilizing bone structures have been used for many years. For example, the fracture of an elongated bone, such as a femur or humerus, can be stabilized by attaching a plate to the fractured bone through the fracture. The plate extends through the fractured area and thus stabilizes the fractured components of the bones in relation to each other in a desired position. When the fracture heals, the plaque can be removed or left in place, depending on the type of plaque that is used.
    [0002] Another type of stabilization technique uses one or more elongated rods extending between components of a bone structure and attached to the bone structure to stabilize the components in relation to each other. The components of the bone structure are exposed and one or more bone fasteners are placed on each component. The elongated nail is then attached to the bone fasteners in order to stabilize the components of the bone structure.
    [0003] A problem associated with the stabilization structures described above is that the skin and tissue surrounding the surgical site must be cut, removed and / or repositioned in order for the surgeon to access the location where the stabilization device is to be installed . This repositioning of tissue causes trauma, damage and scar formation in the tissue. There are also risks that the tissue will become infected and that a long recovery time is required after surgery for the tissue to heal.
    [0004] Minimally invasive surgical techniques are particularly desirable, for example, in spinal and neurosurgical applications because of the need for access to deep locations within the body and the presence of vital intermediate tissues. The development of percutaneous minimally invasive spinal procedures has produced a major improvement in reducing recovery time and postoperative pain
    Petition 870190106883, of 10/22/2019, p. 6/47 / 38 because they require minimal, if any, muscle dissection and can be performed under local anesthesia. These benefits of minimally invasive techniques have also found application in surgeries to other parts of the body, where it is desirable to minimize tissue disruption and trauma. However, there remains a need for further improvements in instruments, systems and methods to stabilize bone structures using minimally invasive techniques.
    SUMMARY [0005] A non-limiting embodiment of the present application is directed to a system for positioning a connecting element adjacent to one or more bones or bony parts, such as the spinal column, using a minimally invasive surgical approach. The system usually includes numerous anchors that fit into one or more bones or bone parts and numerous anchor extenders that are removably attached to bone anchors. A connecting element insertion instrument is pluggable common to the anchor extenders and is movable along a longitudinal axis of the anchor extender. In response to the insertion instrument's movement along the longitudinal axis towards the bone anchors, a leading end of the corresponding element is rotated away from the longitudinal axis and the connecting element is positioned in a location adjacent to the number of bone anchors. However, in other embodiments, different forms and applications are imagined.
    [0006] For example, another embodiment of the subject request is directed to a system for minimally invasive surgery, which includes at least one bone anchor including a distal bone fitting part and a proximal receiving part. The system also includes at least one anchor extender extending along a longitudinal axis between a proximal end part and a distal end part, configured to loosely fit with at least one bone anchor. The least
    Petition 870190106883, of 10/22/2019, p. 7/47 / 38 an anchor extender also includes a support surface facing proximally. An insertion instrument including a connecting member engaging member is attachable with at least one anchor extender and is movable along the longitudinal axis of the at least one anchor extender from the proximal end part towards the distal end part . A part of the insertion instrument contacts the support surface when the insertion instrument is distally moved along the longitudinal axis of the at least one anchor extender and an orientation of the connecting member engaging member relative to the longitudinal axis changes in response to the part of the insertion instrument by contacting the support surface.
    [0007] In yet another embodiment, a system for minimally invasive surgery includes a first bone anchor and a second bone anchor. Each of the first and second bone anchors includes a distal bone socket and a proximal receptor portion. The system also includes a first anchor extender extending along a longitudinal axis between a proximal end part and a distal end part. The distal end part includes a first pair of locking members, positioned opposite a second pair of locking members, and the first and second pair of locking members are configured to freely fit with the first bone anchor. A second anchor extender extends along a longitudinal axis between a proximal end part and a distal end part, which is configured to freely fit with the second bone anchor. An insertion instrument fits with the first anchor inserter and is movable along the longitudinal axis of the first anchor extender from the proximal end part towards the distal end part, to position a connecting element towards the receiving parts proximal to the first and second bone anchors. The system also includes a
    Petition 870190106883, of 10/22/2019, p. 8/47 / 38 reduction instrument including a housing member that can be freely inserted with the proximal end part of the second anchor extender. The reduction instrument also includes an elongated shaft, axially displaceable with respect to the housing member and the second anchor extender. When the insertion instrument is moved distally along the longitudinal axis of the first anchor extender, a leading end of the connecting element is rotated away from the longitudinal axis of the first anchor extender.
    [0008] In one embodiment, an anchor extender includes an elongated body extending between a proximal end part and a distal end part. A first pair of locking members is coupled in pivots with the elongated body adjacent to the distal end part. The first pair of locking members is movable between a first configuration to receive and release a first part of a bone anchor and a second configuration to fit the first part of the bone anchor. The anchor extender also includes a second pair of locking members, coupled in pivots with the elongated body adjacent to the distal end and opposite the first pair of locking members. The second pair of locking members is movable between a first configuration for receiving and releasing a second part of the bone anchor and a second configuration for engaging the second part of the bone anchor. The anchor extender also includes a locking mechanism, which is axially displaceable in relation to the elongated body. In addition, the locking mechanism is configured to secure the first and second pairs of locking members in the second configuration.
    [0009] Another embodiment of the present application is a unique system for minimally invasive surgery on a patient. Other embodiments include methods, systems, devices, kits, assemblies, equipment and / or unique devices involving surgical systems and techniques
    Petition 870190106883, of 10/22/2019, p. 9/47 / 38 minimally invasive.
    [00010] Other embodiments, forms, details, aspects, benefits, objectives and advantages of this application will become evident by the detailed description and figures provided here.
    BRIEF DESCRIPTION OF THE FIGURES [00011] Fig. 1 is a side plan view of a system for positioning a connecting element on a patient in minimally invasive surgical procedures.
    [00012] Fig. 2 is an enlarged perspective view of an anchor extender of the system of Fig. 1.
    [00013] Figs. 3 - 5 are alternative plan views of the anchor extender in Fig. 2.
    [00014] Fig. 6 is a side plan view of the anchor extender of Fig. 2, illustrating fitting members of the anchor extender in an open configuration.
    [00015] Fig. 7 is a perspective view of an elongated body of the anchor extender of Fig. 2.
    [00016] Fig. 8 is a plan view of one end of the elongated body shown in Fig. 7.
    [00017] Fig. 9 is a partial exploded assembly view of the anchor extender in Fig. 2.
    [00018] Fig. 10 is a sectional view along line 10 10 of Fig. 5.
    [00019] Fig. 11 is an enlarged perspective view of a retaining member of the anchor extender of Fig. 2.
    [00020] Fig. 12 is an enlarged plan view of a distal part of the anchor extender of Fig. 2.
    [00021] Fig. 13 is an alternative plan view of the distal part illustrated in Fig. 12.
    Petition 870190106883, of 10/22/2019, p. 10/47 / 38 [00022] Fig. 14 is a side plan view of the anchor extender of Fig. 2 fitted with a bone anchor and including a platform member coupled with it.
    [00023] Fig. 15 is a sectional view of an instrument for inserting the system of Fig. 1.
    [00024] Figs. 16 - 20 illustrate several stages of a minimally invasive surgical procedure to insert a connecting element with the system illustrated in Fig. 1.
    [00025] Fig. 21 is a side plan view of a platform member of alternative embodiment suitable for use in the system of Fig. 1.
    [00026] Fig. 22 is a top plan view of the platform member of the alternative embodiment of Fig. 21.
    [00027] Fig. 23 is a base plan view of the platform member of the alternative embodiment of Fig. 21.
    [00028] Fig. 24 is a side plan view of an instrument for inserting the alternative embodiment for use in the system of Fig. 1.
    [00029] Fig. 25 is a sectional view of the insertion instrument of the alternative embodiment of Fig. 24.
    [00030] Fig. 25a is an enlarged sectional view of a distal part of the insertion instrument of the alternative embodiment of Fig. 24.
    [00031] Fig. 26 is an enlarged perspective view of a distal part of the insertion instrument of the alternative embodiment of Fig. 24.
    [00032] Fig. 27 is a plan view of a connection element. [00033] Fig. 28 is a perspective view of a reduction instrument usable in the system of Fig. 1.
    [00034] Fig. 29 is an alternative perspective view of the reduction instrument of Fig. 28.
    Petition 870190106883, of 10/22/2019, p. 11/47 / 38 [00035] Fig. 30 is an enlarged sectional view of a proximal part of the reduction instrument of Fig. 28.
    DESCRIPTION OF THE ILLUSTRATED EMBODIMENTS [00036] For the purpose of promoting an understanding of the principles of the invention, reference will now be made to the embodiments illustrated in the drawings and specific language will be used to describe them. However, it should be understood that no limitation on the scope of the invention is hereby intended. Any such changes and other modifications to the illustrated devices and methods described and any such additional applications of the principles of the invention as illustrated here are contemplated as would normally occur to a person skilled in the art to which the invention relates.
    [00037] The subject request is generically directed to systems for positioning a connecting element adjacent to one or more bones or bony parts, such as the spinal column, through a minimally invasive surgical approach. The systems generally include numerous bone anchors that can be attached to the one or more bones or bone parts and numerous anchor extenders that are removably attached to the bone anchors. A connecting element insertion instrument is interlockable with one of the anchor extenders and is movable along a longitudinal axis of the anchor extender. In response to the insertion instrument's movement along the longitudinal axis towards the bone anchors, a lead end of the connecting element is rotated away from the longitudinal axis and the connecting element is positioned in a location adjacent to the number of bone anchors . In one aspect of this arrangement, the insertion tool fits with the anchor extender so that the connecting element is introduced at the location adjacent to the number of bone anchors through the same incision through the tissue and muscle where the anchor extender is positioned . In addition, applications in non-minimally invasive surgeries
    Petition 870190106883, of 10/22/2019, p. 12/47 / 38 are also contemplated.
    [00038] Referring now to Fig. 1, a minimally invasive surgical system 10 is shown, which is positioned in relation to a part of the spinal column including the adjacent vertebrae V1, V2 and a disc D positioned between them. It should be noted that the use of system 10, in relation to more than two adjacent vertebrae or even in other anatomical sites, in addition to the spinal column, is also contemplated. System 10 includes two anchor extenders 20, 22, freely mountable on the respective anchors 30a, 30b, a connecting element 36, a fixing member 266, fitted with other anchor extenders 20, 22 and an insertion instrument 230. In other forms not shown, system 10 may include one or more anchors and / or anchor extenders in addition to anchors 30a, 30b and anchor extenders 20, 22. Anchors 30a, 30b include proximal receiving parts 32a, 32b, configured to receive the connecting element 36 and a distal bone fitting part 34a, 34b. In the illustrated embodiment, the bone engaging parts 34a, 34b are bone screws with a threaded rod to engage the bone structure of the underlying vertebrae V1, V2. The proximal receiving parts 32a, 32b are receivers having a pair of opposite arms defining a longitudinal passage. The arms further define an opening extending proximally / distally, which opens at a proximal end of the arms to receive a fixing screw (not shown) to secure the connecting element 36 in the passage. The bone fitting parts 34a, 34b can be pivotally received at the proximal receiving parts 32a, 32b through their distal openings and structured to interact with them to provide anchors 30a, 30b with multiaxial capabilities that allow a selected number of positions or positions infinitely numbered bone fitting part 34a, 34b relative to proximal receiving parts 32a, 32b.
    Petition 870190106883, of 10/22/2019, p. 13/47 / 38 [00039] Other shapes for anchors 30a, 30b are contemplated, including uniaxial and uni-planar shapes. The bone fitting part may also be in the form of a spike, clamp, hook, fusion device, cannulated screw, fenestrated screw, intrabody device, clamp, plate, suture anchor, pin, pin or other bone fitting member. The receiving part may be in the form of a saddle, fork, handle or through hole, side opening member, base opening member, top opening member, eyelet or any other insertable structure for connecting element 36.
    [00040] In the illustrated embodiment, the connecting element 36 is a rigid rod, curved along an arc between its ends. However, it is contemplated that the connecting element 36 may have a curvature that varies or is composed along its length, or could be linear. In addition, in other embodiments it is contemplated that the connecting element 36 may include any known configuration of a nail, implant or fastener, as long as the connecting element 36 is insertable using the insertion instrument 230, in order to stabilize the adjacent vertebrae Vi, V2. In addition, it is contemplated that the connecting element 36 may be non-rigid, elastic and / or superelastic and in the form of a cable, strip, wire or artificial ligament that is used in tying, guiding or other surgical procedures.
    [00041] In the illustrated form of system 10, anchor extender 22 is configured in the same way as anchor extender 20. However, in other ways, it is contemplated that anchor extender 22 could be configured differently from anchor extender 20 , as long as it facilitates the fitting with the fixing member 266 and the introduction of the connection element 36, adjacent to the anchors 30a, 30b. Non-limiting examples of alternative configurations for anchor extender 22 can be found in U.S. Patent Nos. 6,530,929, 7,497,869 and 7,520,879 and in the Publications of
    Petition 870190106883, of 10/22/2019, p. 14/47 / 38
    U.S. Patent Nos. 2005/017540 and 2008/0319477, just to provide some possibilities. In addition, it is also contemplated that the anchor extender 20 could be provided with a configuration different from that illustrated and described here, as long as it facilitates the fitting as the insertion instruments described here and the introduction of the connection element 36 adjacent to the anchors 30a, 30b.
    [00042] Anchor extender 20 extends along a longitudinal axis L between a proximal end part 24a and a distal end part 24b, configured to freely engage with anchor 30a. Similarly, the anchor extender 22 also extends between a proximal end part 26a and a distal end part 26b, configured to freely engage with anchor 30b. More details regarding the anchor extender 20 are described below in relation to Figs. 2 - 13. As indicated below, anchor extender 22 is configured in the same way as anchor extender 20 in the illustrated form of system 10. Thus, it should be appreciated that the details provided below with respect to anchor extender 20 are also applicable to the illustrated shape of the anchor extender 22.
    [00043] Anchor extender 20 generally includes an elongated body 40, a first pair of locking members 166, 168, a second pair of locking members 170, 172 positioned opposite the first pair of locking members 166, 168, one locking mechanism 82 and a retaining element 150. As illustrated in Fig. 7, where the first and second pairs of locking members 166,168 and 170, 172, locking mechanism 82 and retaining element 150 have been removed to increase clarity, the elongated body 40 extends between a proximal end 42 and a distal end 44. elongated body 40 also includes a fixing surface 46, positioned adjacent to distal end 44. a first projection 48 and a second projection 50 extend from the surface fixing
    Petition 870190106883, of 10/22/2019, p. 15/47 / 38 and are configured to fit with corresponding openings 178, 192 of the first pair of engaging members 166, 168. The parts 52, 54 of the elongated body 40 extend distally above a portion of the fixing surface 46 and they are configured to be located over a part of the engaging members 166, 168, in order to retain the engaging members 166, 168 in the elongated body 40, as best seen in Figure 5, for example. In other embodiments, it is contemplated that the locking members 166, 168 could be coupled with the elongated body 40 by a threaded interconnection with first and second projections 48, 50, although other variations for engaging locking members 166, 168 in the body elongated 40 are contemplated.
    [00044] The locking members 166, 168 are pivotally rotatable with respect to the elongated body 40 around the first and second projections 48, 50 between a first condition or position shown in Fig. 6 and a second condition or position shown in Figs. 2 - 4 and 9, for example. In the first condition, the locking members 166,168 are generically configured to allow a first of the pair of opposite arms of the receiving part 32a of the anchor 30a to be loaded between or ejected from the locking members 166, 168. In the second condition, the first of the pair of opposite arms of the receiving part 32a of the anchor 30a is positioned firmly between the engaging members 166, 168. More details regarding the engaging members 166,168 will be provided below with reference to Figs. 12 and 13. In addition, although not previously discussed, it should be noted that the engaging members 170, 172 are engaged with and attached to the elongated body 40 in the same manner in which the engaging members 166, 168 are engaged with and attached to the elongated body 40. In this way, the engaging members 170, 172 are also pivotally rotatable with respect to the elongated body 40 between a first position or condition, in which a second of the pair of opposite arms of the receiving part 32a of anchor 30a can be loaded between or ejected from the docking members 170, 172
    Petition 870190106883, of 10/22/2019, p. 16/47 / 38 and a second position or condition in which the second of the pair of opposite arms of the receiving part 32a of the anchor 30a is firmly positioned between the locking members 170, 172.
    [00045] The elongated body 40 also includes an enlarged part 56, positioned distally from the proximal end 42. A groove 57 is formed along one side of the enlarged part 56 and is configured to receive and house the retaining element 150 and a part of a cover member 84 of the locking mechanism 82. The enlarged part 56 includes a pair of oppositely positioned cylindrical projections 58, 60, which are configured to fit with corresponding recesses in the anchor extender 22 and fixing member 266. In alternative configurations, it is also contemplated that one or both of the projections 58, 60 can be replaced by a cylindrical recess configured to fit with a corresponding projection of the anchor extender 22 and / or fixing member 266. In addition, it should be noted that the projections 58, 60 they can also be non-cylindrically shaped. For example, it is contemplated that projections 58, 60 could be provided with a square, rectangular or oval shape, to name just a few possibilities. The fixing member 266 is generally configured to engage with the proximal end parts 24a, 26a of the anchor extenders 20, 22 in order to secure the proximal end parts 24a, 26a of the anchor extenders 20, 22 together during insertion of the element connection 36. In one form, the fixing member 266 can be provided with a configuration that corresponds to a conventional C-clamp. However, in another form, it is contemplated that the fixing member 266 can be configured similar to the insertion fixing part described in Patent Publication No. 2007/0049931, the content of which is incorporated herein by reference in its entirety. In addition, it should be noted that alternative configurations for the fixing member 266 are also contemplated.
    Petition 870190106883, of 10/22/2019, p. 17/47 / 38 [00046] The elongated body 40 also includes a pair of leg members 62, 64, which extend distally from the enlarged part 56 and on which interlocking members 166, 168 and 170, 172 are respectively mounted. The elongated body 40 generally includes a hollow interior 66, which extends between the proximal end 42 and the distal end 44. Oppositely positioned elongated openings 68, 70 are positioned between the legs members 62, 64 and communicate as a hollow interior 66. As best seen in Fig. 5, the elongated opening 68 extends along the length of the anchor extender 20 and opens proximally at the proximal end part 24a and distally at the distal end part 24b. Similarly, as illustrated in the extreme view of Fig. 8, the elongated body 40 includes a U-shaped configuration in a plane transverse to the longitudinal axis L of the anchor extender 20. Unlike the elongated opening 68, the elongated opening 70 opens distally at the distal end part 24b, it extends proximally towards the proximal end part 24a and ends in a position located distally from the proximal end part 24a. The elongated slits 68, 70 and the hollow interior 66 generally cooperate to provide a passage for the connecting element 36 to extend through the anchor extender 20 as illustrated in Fig. 1.
    [00047] Opposite leg members 62, 64, a post member 72 extends proximally from the widened part 56 of the elongated body 40. Post member 72 includes a pair of opposing grooves 74, 76 and is configured to receive a part of the mechanism locking 82. In addition, the elongated body 40 also includes a pair of opposing elongated grooves 78.80, which are configured to receive parts of the locking mechanism 82 and which extend along the leg members 62, 64 of the extended part 56 for location adjacent the locking members 166, 168 and 170, 172. More particularly, the locking mechanism 82 includes a cover member 84 and a pair of locking members 86, 88 which are
    Petition 870190106883, of 10/22/2019, p. 18/47 / 38 positioned in the respective elongated grooves 78, 80 and configured to interact and fit with the fitting members 166, 168 and 170, 172, respectively. More details regarding the interaction and fitting of the elongated locking members 86, 88 with the locking members 166, 168 and 170, 172 are provided below with reference to Figs. 12 and 13.
    [00048] The elongated locking member 86 extends between a proximal end 90 and a distal end 92 and includes a notch 94 positioned adjacent to the proximal end 90 and between the increased thickness parts 93, 95. The elongated locking member 86 also includes a raised surface part 96, positioned between the proximal end 90 and the distal end 92. As shown in Fig. 9, for example, where a partial assembly view of anchor extender 20 is illustrated, the raised surface part 96 includes a tapered portion 98 that ends at a tip 100. A reduced thickness portion 102 extends distally from the raised surface portion 96 and includes a notched portion 104, positioned between enlarged parts 106 and 108. The elongated locking member 88 extends between a proximal end 114 and a distal end 116 and includes a notch 118 positioned adjacent to proximal end 114 and between parts of increased thickness to 117, 119. The elongated locking member 88 also includes an elevated surface part 120, positioned between the proximal end 114 and the distal end 116. As shown in Fig. 4, for example, the elevated surface part 120 includes a tapered part 122, which ends at a point 124. A reduced thickness part 126 extends distally from the raised surface part 120 and includes a notched part 128, positioned between the enlarged parts 130 and 132. The elongated locking member 88 also includes a pair of tongues 134,136 extending distally from the enlarged portion 132.
    [00049] The cover member 84 of the brake member 82 includes a
    Petition 870190106883, of 10/22/2019, p. 19/47 / 38 rod extending distally 138, which includes a lateral facing notch 140 and a lateral facing projection 142. The cover member 84 also includes a passage 144 extending through it. Passage 144 communicates with a pair of opposite windows 146, 148 extending across side surfaces of the cover member 84. In addition, passage 144 is also dimensioned and configured to facilitate positioning of the cover member 84 on the post member 72 of the elongated body 40.
    [00050] As indicated above, the anchor extender 20 also includes a retaining element 150, which is shown in an enlarged perspective view in Fig. 11. The retaining element 150 includes a user fitting part 152, positioned opposite to a laterally extending edge 154. An elongated opening 156 is positioned adjacent to edge 154 and is configured to receive the side facing projection 142 of the cap member 54. The retaining element 150 also includes a recess 158 and a passageway 160 positioned between the user slot 152 and edge 154.
    [00051] With particular reference to Fig. 9, the remaining assembly of the anchor extender 20 can be carried out by positioning the proximal ends 90, 114 of the elongated locking members 86, 88 on the cover member 84, so that parts of thickness augmented 93, 117 are positioned in windows 146, 148, respectively. The locking member 82 can then be engaged with the elongated body 40 by positioning the extended locking members 86, 88 in the elongated grooves 78, 80 and distally advancing them towards the locking members 166, 168 and 170, 172, until the post member 72 is positioned in the passage 144 of the cover member 84 and the cover member 84 is adjacent to the enlarged part 56. When the cover member 84 is positioned over the post member 72, the stem 138 is positioned in the groove 57 of the elongated body 40 and the retaining element 150 can then be positioned on the stem 138 in the groove 57. An element
    Petition 870190106883, of 10/22/2019, p. 20/47 / 38 impeller 162 is received in the recess 158 and positioned between the retaining element 150 and the elongated body 40, and a retaining pin 164 is positioned through a passage 55 of the enlarged part 56 and passage 160 in order to engage the retaining element 150 with the elongated body 40. In this configuration, as best seen in the sectional view of Fig. 10, the edge 154 of the retaining element 150 is pushed towards the elongated body 40, so that it engages the notch 140 on the stem 138 when the cover member 84 is positioned against the enlarged part 56, in order to lock the relative positioning of the locking mechanism 82 and prevent its proximal movement. When the cover member 84 is positioned against the enlarged part 56, the elongated locking members 86, 88 engage with the locking members 166, 168 and 170, 172, respectively, and prevent their rotation relative to the elongated body 40, so that the release of anchor 30a from anchor extender 20 is prevented. As indicated above, further details regarding the relationship between the locking members 86, 88 and the locking members 166, 168 and 170, 172 will be provided below with respect to Figs. 12 and 13. In view of the foregoing, it should be noted that the fit between the edge 154 of the retaining element 150 and the notch 140 of the cover member 84 prevents the proximal movement of the locking mechanism 82, as well as the release of anchor 30a from the anchor extender 20.
    [00052] When release of the anchor 30a from the anchor extender 20 is desired, the user engagement part 152 of the retaining element 150 can be depressed to release the edge 154 of the notch 140 and allow proximal movement of the locking mechanism 82. Similarly , when the locking mechanism 82 is moved proximally to the position shown in Fig. 6, for example, the locking members 166, 168 and 170, 172 are able to articulate with respect to the elongated body 40, so that the anchor 20 can be released from anchor 30a. In addition, when the retaining element 150 is coupled with the elongated body 40, the projection 142,
    Petition 870190106883, of 10/22/2019, p. 21/47 / 38 extending laterally from the stem 138 of the cover member 84, is positioned in the elongated opening 156. In this arrangement, when the projection 142 comes into contact with the end of the elongated opening 156 adjacent to the edge 154, additional proximal movement of the locking mechanism 82 is avoided. Similarly, it should be appreciated that the relationship between the projection 142 and the elongated opening 156 prevents removal of the locking mechanism 82 from the elongated body 40.
    [00053] With reference now to Figs. 12 and 13, more details of the engaging members 166, 168 are shown in the opposite side plan views. It should be noted that several details of the anchor extender 20 have been omitted from Figs. 12 and 13 in order to increase clarity. In addition, it should also be noted that the description of the details associated with the locking members 166, 168 is also applicable to the locking members 170, 172. The locking member 166 extends between a proximal end 174 and a distal end 176 and includes an opening 178 configured to be positioned on the second projection 50 positioned on the fixing surface 46, so that the engaging member 166 is pivotable around a second projection 50. The engaging member 168 extends between a proximal end 188 and distal end 190 and includes an opening 192 configured to be positioned on the first projection 48, positioned on the fixing surface 46, so that the engaging member 168 is pivotable around the first projection 48. The members plug 166 and 168 cooperate to define a receptacle 202 configured to receive a part of an arm from the pair of opposing arms of the receiving parts p anchor 32a of anchor 30a. In addition, each engaging member 166 and 168 includes a projection 182, 196, respectively, which extend into receptacle 202 and is configured to engage with a corresponding recess (not shown) formed in the arm of the proximal receiving portion 32a of anchor 30a. a
    Petition 870190106883, of 10/22/2019, p. 22/47 / 38 impeller element 206 is positioned between the engaging members 166, 168 adjacent to the proximal ends 174, 188 and forces the proximal ends 174, 188 away from each other, so that the distal ends 176, 190 are normally positioned adjacent to each other in the configuration illustrated in Figs. 12 and 13.
    [00054] The engaging members 166, 168 also cooperate to define a channel 204, which receives the elongated locking member 86. As shown in Figs. 12 and 13, the locking member 86 is positioned in engagement with the locking members 166, 168. More particularly, when the locking member 86 is moved distally along the elongated body 40, the tapered part 98 of the raised surface part 96 is positioned in a recess between the engaging members 166, 168 and engages with the correspondingly shaped surfaces 186, 200 on the engaging members 166, 168 until the tip 100 is positioned against the engaging members 166, 168. When the lock 86 is moved in this way, the conical part 98 applies an additional spreading force to the proximal ends 174, 188 which, in turn, also force the distal ends 176,190 towards each other. In addition, once the tip 100 is positioned against the engaging members 166, 168, the raised surface portion 96 prevents movement of the proximal ends 174, 188 towards each other, so that the distal ends 176, 190 cannot be moved away from each other. In addition, locking members 166,168 each also include a receptacle 180, 194, respectively, which receive tabs 110, 112 from lock member 86 when tip 100 is positioned against locking members 166, 168. The tongues 110,112 cooperate with receptacles 180, 194 in a manner that also avoids the separation of distal ends 176, 190 from locking members 166, 168. Similarly, when anchor extender 20 is fitted with anchor 30a, the locking of the tongues 110,112 with the 180,194 receptacles prevents
    Petition 870190106883, of 10/22/2019, p. 23/47 / 38 release of anchor 30a from locking members 166, 168.
    [00055] Each of the engaging members 166, 168 also includes a rounded surface 184,198, which extends into the channel 204. When the elongated locking member 86 is moved proximally to the engaging members 166, 168, the surfaces rounded parts 184,198 pass over the enlarged part 106 and are seated on the notched part 104. In this configuration, the enlarged parts 106 and 108 are positioned on the opposite sides of the rounded surfaces 184, 198, so that the position of the elongated locking member 86 relative to the elongated body 40 and locking members 166, 168 are provisionally locked or retained until a force sufficient to move the notched portion 104 away from the rounded surfaces 184, 198 is applied to the locking mechanism 82.
    [00056] As shown in Fig. 14, the distal end part 20b of anchor extender 20 is engaged with anchor 30a and a platform member 210 is positioned on the proximal end part 24a of anchor extender 20. More particularly, at Platform member 210 includes a passageway configured to be positioned on and to receive post member 72 of elongated body 40. In one form, it is contemplated that platform member 210 can be freely coupled as post member 72 through a friction or pressure fitting. Alternatively, the platform member 210 may be provided with a locking member, such as a clamping screw or snap ring, which engages with part of the post member 72 in order to secure the platform member 210 to the post member 72, although others configurations for coupling the platform member 210 with the post member 72 are contemplated. The platform member 210 includes a proximal support surface 212 and an oppositely positioned distal surface 214. Surfaces 212, 214 extend between a first end 216 and a second end 218 of the member
    Petition 870190106883, of 10/22/2019, p. 24/47 / 38 platform 210. As illustrated in Fig. 14, the platform member 210 extends laterally from the anchor extender 20, so that the first end 216 is laterally offset from the longitudinal axis L of the anchor extender 20.
    [00057] The distal surface 214 generally includes a convexly curved part 220 and a linear part 222 which is positioned adjacent the cover member 84 of the locking mechanism 82. In addition, the proximal support surface 212, which is configured to fit with a part of the insertion instrument 230, is concavely curved between the first end 216 and the second end 218. In the illustrated form, the curvature of the proximal support surface 216 between the first end 216 and the second end 218, is varied. More particularly, the curvature of the proximal support surface 212, adjacent to the first end 216, is greater than the curvature of the proximal support surface 212 adjacent to the second end 218, although the embodiments, where the curvature between the first end 216 and the second end 218 is constant, also be contemplated. In other forms not shown, it is contemplated that the proximal support surface 212 may be linear or provided with a non-continuous curvature; that is, it can include one or more linear parts in combination with one or more curved parts. In still other embodiments, it is contemplated that the system 10 can be provided with a plurality of platform members 210, each including an alternatively configured proximal support surface 212. In this arrangement, the orientation of the fit between the insertion instrument 230 and the proximal support surface 212 is adjustable and a user can select a properly arranged platform member 210 to be used with a connection element 36 having a specific curvature and / or to change the insertion path of the connection element 36, as will be discussed in greater detail below with respect to Figs. 16 - 20.
    Petition 870190106883, of 10/22/2019, p. 25/47 / 38 [00058] The insertion instrument 230 is shown in a sectional view in Fig. 15 and in a perspective view relative to the anchor extender 20 of Figs. 16 - 20. The insertion instrument 230 includes an elongated housing 232 that extends between a proximal end 234 and a distal end 236. As best seen in Fig. 18, for example, the elongated housing 232 includes a first part 238 that has a generally arched configuration and is positioned opposite a second part 240 which has a generally rectangular configuration. Similarly, when the insertion instrument 230 is fitted with the anchor extender 20, the first part 238 is received into the hollow interior 66 of the elongated body 40, while the second part 240 is positioned in and extends laterally through the elongated opening 68 , so that rotation of the insertion instrument 230 in relation to the anchor extender 20 is avoided. The insertion instrument 230 also includes an elongated passage 242, within which a connecting member 244 is positioned. Connecting member 244 extends between a lever arm 246 and a connecting member engaging member 258. Lever arm 246 extends between a first end 248 and a second end 250 and includes a convexly curved surface 252 The second end 250 is pivotally coupled to a first end of the connecting member 244 by a pivot pin 254 and to the elongated housing 232 by a pivot pin 256.
    [00059] Connecting member 258 includes a receptacle 260, which releasably engages and receives an end of connecting element 36. In one form, it is contemplated that receptacle 260 engages the end of connecting element 36 via a friction or pressure fitting, although it should be noted that variations in the fit between connecting element 36 and receptacle 260 are contemplated. Connecting member 258 is coupled to connecting member 244 by a pivot pin 264 and to the housing
    Petition 870190106883, of 10/22/2019, p. 26/47 / 38 elongated 232 by a pivot pin 262. In this arrangement, the connecting member engaging member 258 is rotated with respect to the elongated housing 232, in response to the rotation of the lever arm 246 relative to the elongated housing 232. More particularly , when the first end 248 of the lever arm 246 is moved away from the elongated housing 232, the connecting member 244 is moved closely in the passage 242, so that the connecting member engaging member 258 is rotated away from the elongated housing 232 and extends transversely to the elongated housing 232 as shown in Fig. 15. Similarly, when the connecting element 36 is received in the receptacle 260 and the orientation of the connecting element engaging member 258 relative to the elongated housing 232 is changed , the orientation of the connecting element 36 relative to the elongated housing 232 also changes. Furthermore, although not shown in Fig. 15, it should be noted that when the first end 248 of the lever arm 246 is rotated towards the elongated housing 232, the connecting member 244 is moved distally in the passage 242, so that the connecting member engaging member 258 is also rotated towards elongated housing 232 and can be positioned in an orientation in which it extends in general alignment with elongated housing 232. Thus, when connecting element 36 is received at receptacle 260 and the connecting member engaging member 258 is positioned in this orientation, the connecting element 36 will also extend in general alignment with the elongated housing 232.
    [00060] Figs. 16-20 generally illustrate several steps of inserting the connecting element 36 with the insertion instrument 230 of the system 10 in relation to the anchor extender 20 which is fitted with the anchor 30a. In Fig. 16, for example, the connecting element 36 is coupled with the connecting element engaging member 258 of the insertion instrument 230 and extends through the platform member 210 into a part
    Petition 870190106883, of 10/22/2019, p. 27/47 / 38 of the hollow interior 66 of the anchor extender 20. In this arrangement, the connecting element 36 generally extends in line with the longitudinal axis of the anchor extender 20. In addition, the lever arm 246 includes an elongated receptacle 247, which receives a portion of the elongated housing 232, so that the first end 248 of the lever arm 246 is positioned against the elongated housing 232. As indicated above, the connecting element 36 in the illustrated shape is generally curved along an arc between their opposite ends. Similarly, as shown in Fig. 16, the connection element 36 can be arranged in relation to the insertion instrument 230, so that the concave side of the connection element 36 is oriented towards the anchor extender 20.
    [00061] With the connecting element 36 initially positioned inside the hollow interior 66 as shown in Fig. 16, the insertion instrument 230 can be moved distally, so that the first part 238 and the second part 240 of the elongated housing 232 are received in the hollow interior 66 and in the elongated opening 68, respectively, of the elongated body 40 of the anchor extender 20. When the insertion instrument 230 is moved distally with respect to the anchor extender 20 in this way, the first end 248 of the lever arm 246 comes into contact with the proximal support surface 212 of the platform member 210 as shown in Fig. 17. Fig. 18 further illustrates the distal movement of the insertion instrument 230 in relation to the anchor extender 20 and the corresponding distal movement of the connection 36 inside the hollow interior 66. When the insertion instrument 230 is moved in this way, the first end 248 of the lever arm 246 presses against and against attaches with the proximal support surface 212 of the platform member 210 and is directed away from the elongated housing 232. Similarly, the lever arm 246 is rotated away from the elongated body 232 and the connecting member 258 and connecting element 36 are correspondingly rotated away from the
    Petition 870190106883, of 10/22/2019, p. 28/47 / 38 elongated housing 232. In more distal movement of the insertion instrument 230 in relation to the anchor extender 20, the first end 248 of the lever arm 246 is moved further away from the elongated housing 232 until it is positioned adjacent to the first end 216 of the platform member 210. Similarly, when the first end 248 of the lever arm 246 is moved across the proximal support surface 212 towards this position, the connecting member 258 and the connecting member 36 are correspondingly rotated away from the elongated housing 232, so that a leading end 36a of the connecting element 36 extends through the anchor extender 20 and towards another anchor, such as anchor 30b illustrated in Fig. 1.
    [00062] As illustrated in Figs. 1 and 20, when additional distal movement of the insertion instrument 230 in relation to the anchor extender 20, the convex surface 252 of the lever arm 246 rests against the proximal support surface 212 of the platform member 210, until further distal movement of the instrument insert 230 in relation to the other anchor extender 20 to be eliminated. In addition, the connecting member 258 is further rotated away from the anchor extender 20, so that it and the connecting element 36 generally extend transversely to the anchor extender 20. In this arrangement, the orientation the connecting element 36 has been rotated about ninety degrees with respect to its initial orientation illustrated in Fig. 16. In addition, as shown in Fig. 1, the connecting element 36 is also generally aligned so that it can be reduced in the parts proximal receiving lines 32a, 32b of anchors 30a, 30b. Once the connecting element 36 is arranged in this way, a reduction instrument, such as instrument 344 illustrated in Figs. 28 - 30, can be fitted with and inserted through the anchor extender 22 in order to reduce the connecting element 36 in the proximal receiving parts 32a, 32b of the anchors 30a, 30b. After the connecting element 36 has been fitted by the
    Petition 870190106883, of 10/22/2019, p. 29/47 / 38 reduction instrument 344, the insertion instrument 230 can be moved closely in relation to the anchor extender 20 to release the connection element 36 from the receptacle 260 of the connection element fitting member 258. Once the element of connection 36 is released, the insertion instrument 230 can be removed from the anchor extender 20 and the reduction of the connection element 36 in the proximal receiving parts 32a, 32b of the anchors 30a, 30b can be completed.
    [00063] Following the reduction of the connection element 36 in the proximal receiving parts 32a, 32b of the anchors 30a, 30b, a locking member, such as a fixed screw, for example, can be introduced through each of the extenders of anchor 20,22 and engaged with the proximal receiving parts 32a, 32b of anchors 30a, 30b to secure the connecting element 36 with respect to anchors 30a, 30b. In one form, it is contemplated that the locking members can be engaged with the proximal receiving parts 32a, 32b at the same time. However, in another form, a first locking member can be inserted through the anchor extender 20 and fitted with the proximal receiving part 32a while the reduction instrument 344 is fitted with the anchor extender 22 and engaged with the connecting element 36 The reduction instrument 344 can then be removed from the anchor extender 22 followed by the introduction of a second locking member through the anchor extender 22 in engagement with the proximal receiving part 32b of anchor 30b, in order to lock the connection 36 at the proximal receiving part 32b.
    [00064] As illustrated in Figs. 2 and 26 - 20, the insertion instrument 230 is generally moved in relation to the anchor extender 20 along its longitudinal axis L. However, in other forms not illustrated, it is contemplated that the insertion instrument 230 and / or anchor extender 20 can be configured so that the insertion instrument 230 is movable along a geometric axis or path that extends transversely
    Petition 870190106883, of 10/22/2019, p. 30/47 / 38 or obliquely to the longitudinal axis L of the anchor extender 20. Furthermore, in view of the preceding description of the insertion instrument 230, it should be noted that the insertion instrument 230 inserts the connection element 36 along a partially curved insertion path. More particularly, the leading end 36a of the connecting element 36 is simultaneously moved proximally and laterally away from the anchor extender 20 when the connecting element engaging member 258 is rotated in relation to the elongated housing 232. Among other things, this arrangement may allow the lead end 36a of the connecting element 36 and, possibly, the connecting element 36, to extend through and / or below the fabric between the anchors 30a, 30b in order to allow the positioning of the connecting element 36, avoiding cutting and / or removing this fabric. However, in other ways, it is contemplated that the connecting element 36 could also be inserted along a curvilinear or linear insertion path, depending on its configuration and / or the configuration of the platform member 210 and insertion instrument 230. In addition , it should be noted that the relationship between the proximal support surface 212 and the lever arm 246 will generally control the rate at which the connecting member engaging member 258 is rotated relative to the elongated housing 232 when the insertion instrument 230 is moved distally from the anchor extender 20.
    [00065] This relationship can also potentially control the degree to which the connecting member insert member 258 is rotated relative to the elongated housing 232.
    For example, when the proximal support surface 212 is provided with a greater degree of curvature between the first end 216 and the second end 218, the first end 248 of the lever arm 246 will be advanced adjacent the first end 216 in relatively less distal movement than insertion instrument 230 related to the
    Petition 870190106883, of 10/22/2019, p. 31/47 / 38 anchor 20, which in turn will provide increased rotation of the connecting member of the connecting member 258, relative to the elongated housing 232, in relatively the same degree of distal movement as the insertion instrument 230. In addition, the movement of the lever arm 246 along the proximal support surface 212 in this arrangement can also increase the total degree of rotation of the connecting member of the connecting member 258 with respect to the elongated housing 232. As another example, if the proximal support surface 212 is provided with a linear configuration or a smaller amount of curvature between the first end 216 and the second end 218, the first end 248 of the lever arm 246 will be advanced adjacent the first end 216 in relatively more distal movement of the insertion instrument 230 relative to the extender anchor 20, which in turn will provide decreased rotation of the relative member of connection element 258 relative to the elongated housing 232 at a relatively equal degree of distal movement of the insertion instrument 230. In addition, the movement of the lever arm 246 along the proximal support surface 212 in this arrangement can also decrease the total degree of rotation of the element engaging member connection 258 in relation to the elongated housing 232. It should also be noted that the configuration of the surface 252 of the lever arm 246 can be changed in order to change the rotation properties of the connector member 258. Among other things, it can it is desirable to change the relationship between the proximal support surface 212 and the lever arm 246, depending on the anatomical location where the connection element 36 is being inserted and / or the curvature of the connection element 36. Thus, when the system 10 is provided with a plurality of platform members 210 each including an alternatively configured support surface 210, as discussed above, the user can select a platform member 210 that will provide a relationship between platform member 210 and lever arm 246 that is most suitable for
    Petition 870190106883, of 10/22/2019, p. 32/47 / 38 insertion of connection element 36 with a specific curvature in a specific anatomical location.
    [00066] In addition to the foregoing, it should be appreciated that variations in the previously described arrangement of system 10 can be performed. For example, an alternative embodiment platform member 268 is illustrated in Figs. 21 - 23 and can be used in place of the platform member 210. The platform member 268 extends between a first end 270 and a second end 272, which includes a passageway 274 configured to be positioned on and receiving the post member 72 of the body elongated 40. The second end 274 also includes a retainer element 276 that has a flange portion 278 that extends partially into the passage 274. The retainer element 276 is normally driven by an impeller element (not shown) into position shown in Fig. 21, so that the flange part 278 engages with one of the grooves 74 or 76 of the post member 72 of the elongated body 40, in order to retain the platform member 268 over the anchor extender 20. However, the element retainer 276 can be depressed in order to disengage the flange part 278 from the groove 74 or 76, so that the platform member 268 can be released from the anchor extender 20. In addition, from the preceding, it must be observed Since the passage 274 is configured to receive the elongated housing 232 of the insertion instrument 230 and guide it to fit with the anchor extender 20.
    [00067] Similar to the platform member 210, the platform member 268 includes a proximal support surface 280 and an opposing distal surface 282. The platform member 268 also includes an elongated channel 284 positioned between the first end 270 and the second end 272 and extending between an opening in the proximal support surface 280 and the distal surface 282. The distal surface 282 generally includes a convex curvature and the proximal support surface 280, which is
    Petition 870190106883, of 10/22/2019, p. 33/47 / 38 configured to fit with part of the insertion instrument 230, it is concavely curved between the first end 270 and the second end 272. In the illustrated form, the curvature of the proximal support surface 280 between the first end 270 and the second end 272 is varied. More particularly, the curvature of the proximal support surface 280, adjacent to the first end 270, is greater than the curvature of the support surface 280 adjacent to the second end 272, although embodiments in which the curvature between the first end 270 and the second end 272 is constant are also contemplated. In other forms not shown, it is contemplated that the support surface 280 may be linear or provided with a non-continuous curvature, that is, it may include one or more linear parts, in combination with one or more curved parts. Even so, in other embodiments, it is contemplated that the system 10 can be provided with a plurality of platform members 268 each including an alternatively configured proximal support surface 280. In this arrangement, the orientation of the fit between the insertion instrument 230 and the proximal support surface 280 is adjustable and a user can select an appropriately disposed platform member 268 to be used with a connection element 36 having a specific curvature and / or change the insertion path of the connection element 36, as discussed further in detail above.
    [00068] With reference now generally to Figs. 24 - 26, further details regarding an insertion instrument of alternative embodiment 286, which can be used in system 10 in place of insertion instrument 230, are provided. The insertion instrument 286 includes an elongated housing 288 that extends between a proximal end 290 and a distal end 292. Similar to the elongated housing 232, the elongated housing 288 also includes a first part 294 that has a generally arched configuration and is positioned opposite to a second
    Petition 870190106883, of 10/22/2019, p. 34/47 / 38 part 296, which has a generally rectangular configuration. Similarly, when the insertion tool 286 is fitted with the anchor extender 20, the first part 294 is received into the hollow interior 66 of the elongated body 40, while the second part 296 is positioned in and extends laterally through the elongated opening 68, so that rotation of the insertion instrument 286 in relation to the anchor extender 20 is avoided. Insertion instrument 286 also includes an elongated passage 298 within which a connecting member 300 is positioned. The connecting member 300 is defined by a pair of opposing positioned arms 302, 304, which extend between a cam member the gear 306 and a connecting member of the connecting element 308. The cam member 306 is coupled in pivots to the elongated housing 288 by a pivot pin 310 and the arms 302, 304 by a pivot pin 312.
    [00069] The insertion instrument 286 also includes a lever arm 314 that extends between a first end 316 and a second end the gear 318 and includes a convexly curved surface 320. The second end 318 is pivotally coupled with the elongated housing 288 by a pivot pin 322. In this configuration, the second end the gear 318 of the lever arm 314 engages with the bed member the gear 306, so that the cam member the gear 306 is rotated in relation to the elongated housing 288 when the arm lever 314 is moved relative to the elongated body 288.
    As best seen in the enlarged sectional view of Fig. 25a, the connecting member engaging member 308 includes a receptacle 330 that loosely engages and receives end 36b of connecting member 36. More particularly, as illustrated in Fig. 27, the ends 36a and 36b of the connecting element 36 are generally conically shaped and the receptacle 330 is provided with an internal shape which
    Petition 870190106883, of 10/22/2019, p. 35/47 / 38 corresponds to the external conical shape of the ends 36a, 36b. In addition, the connecting member engaging member 308 also includes a passage 332 which generally extends transversely to receptacle 330 and includes a locking member 334 positioned thereon. The locking member 334 includes a proximal tool socket receptacle 336, which can be accessed with a suitably configured drive tool, such as a screwdriver (not shown), which is inserted through the proximal end 290 of the elongated housing 288 and advanced distally between the arms 302, 304. Alternatively, it is also contemplated that the connecting member engaging member 308 can be rotated away from the elongated housing 288, so that the locking member 334 in the passage 332 could be accessed laterally by the drive tool instead of by the arms 302, 204. After the connecting element 36 has been positioned in the receptacle 360, the locking member 334 can be rotated to advance a threaded part 338 in engagement with an internally threaded passage 36c, positioned at the end 36b of the connecting element 36 and extending generally transverse to its long geometric axis. Similarly, once the connecting element 36 has been inserted in an appropriate location in relation to the anchors 30a, 30b with the insertion instrument 286, the transmission tool can be advanced distally between the arms 302, 304 to engage with the receptacle336, in order to disengage the locking member 334 from the connection element 36, so that the insertion instrument 286 can be moved proximally away from the connection element 36.
    [00070] Connecting member 308 is coupled with arms 302, 304 by a pivot pin 340 and in the elongated housing 288 by a pivot pin 343. In this arrangement, the connecting member 308 is rotated in relation to the elongated housing 288, in response to
    Petition 870190106883, of 10/22/2019, p. 36/47 / 38 rotation of the cam member 306 when the lever arm 314 is moved with respect to the elongated housing 288. More particularly, when the first end 316 of the lever arm 314 is moved away from the elongated housing 288, the arms 302, 304 are moved closely in the passage 298, so that the connecting member engaging member 308 is rotated away from the elongated housing 288 and extends transversely to the elongated housing 288 as shown in Figs. 24 - 26. Similarly, when connecting element 36 is received in receptacle 330 and the orientation of the connecting element engaging member 308 is changed relative to the elongated housing 288, the orientation of the connecting element 36 with respect to the elongated housing 288 also changes. In addition, although not illustrated in Figs. 24 - 26, it should be noted that when the first end 316 of the lever arm 314 is rotated towards the elongated housing 288, the arms 302, 304 will be moved distally in the passage 298, so that the connector member 308 is also rotated towards the elongated housing 288 and can be positioned in an orientation in which it extends in general alignment with the elongated housing 288. Thus, when the connecting element 36 is received in the receptacle 330 and the locking member of connecting element 308 is positioned in this orientation, connecting element 36 will also extend in general alignment with the elongated housing 288.
    [00071] Lever arm 314 also includes an elongated opening 324 which includes a plurality of enlarged parts 326. A roller or pin member 328 is positioned along the elongated opening 324 for any of the enlarged parts 326 in order to change the ratio between the support surface 280 and the lever arm 314, when the insertion instrument 286 is used in combination with the platform member 268. More particularly, when the roller member 328 is positioned close to the end of the elongated groove 324, which is oriented in towards the second end the
    Petition 870190106883, of 10/22/2019, p. 37/47 / 38 gear 318, the first end 316 of the lever arm 314 will extend into an elongated channel 284 of the platform member 268, until the roller member 328 contacts the bearing surface 280. Once the member roller 328 contacts support surface 280, lever arm 314 will begin to pivot with respect to platform member 268, so that the first end 316 of lever arm 314 is moved away from elongated body 284. Similarly, it should be noted that, when the roller member 328 is positioned closer to the second end the gear 318 of the lever arm 314, it will require relatively increased distal movement of the insertion instrument 286 with respect to an anchor extender 20 before the lever arm 314 is rotated away from the elongated housing 288. Thus, this lever arm configuration 314 allows a user to adjust the relationship between lever arm 314 and platform member 268 to in order to provide a configuration that is more suitable for the insertion of the connecting element 36 with a specific curvature in a specific anatomical location, as discussed in greater detail above.
    [00072] Although not previously described, it should be noted that the insertion instrument 286 can cooperate with the anchor extender 20 to insert the connecting element 36 adjacent to the proximal receiving parts 32a, 32b of the anchors 30a, 30b in a similar manner to that described above in connection with the insertion instrument 230. In addition, once the connecting element 36 has been positioned in a desired location relative to the anchors 30a, 30b, it can be detached from the insertion instrument 286 and the insertion instrument 286 can be removed from anchor extender 20.
    [00073] As indicated above, a reduction instrument 344 can be fitted with the anchor extender 22 and used to force the connecting element 36 towards the proximal receiving parts 32a, 32b of the anchors
    Petition 870190106883, of 10/22/2019, p. 38/47 / 38
    30a, 30b. However, it should also be noted that the reduction instrument 344 can also be coupled with another anchor extender 20 when the platform member 210 or 268 and the insertion instrument 230 or 286 are not fitted with it. Thus, since several aspects of the anchor extender 20 have already been explained in detail above, the use of the reduction instrument 344 will be described in relation to the anchor extender 20, although it should be noted that the reduction instrument 344 can be fitted and used with anchor extender 22 in a similar manner. The reduction instrument 344 includes an elongated shaft part 346, which extends distally from a housing member 356. The elongated shaft part 346 extends between a threaded proximal part 348 and a distal end part 350, configured to fit as connecting element 36. The elongated shaft part346 also includes an elevated part 352 which is positioned in and extends along the opening 68 of the elongated body 40, when the reduction instrument 344 is fitted with the anchor extender 20, of so that the elongated shaft part 346 is prevented from turning with respect to the anchor extender 20.
    [00074] As illustrated in the section view of Fig. 30, the housing member 356 includes a passage 358 in which the threaded proximal part 348 of the elongated shaft part 346 is positioned. The housing member 356 also includes a pair of oppositely positioned retaining elements 360, 362, which are coupled with the flange parts 364, 366, respectively, which partially extend into the passage 358. The retaining elements 364, 366 are normally driven by the prop elements 368, 370, respectively, to the position illustrated in Figs. 28 - 30, so that the flange parts 364, 366 engage with the grooves 74, 76 of the post member 72 of the elongated body 40, in order to lock the reduction instrument 344 in the anchor extender 20. However, the retaining elements 368, 370 can be depressed in order to disengage the
    Petition 870190106883, of 10/22/2019, p. 39/47 / 38 flange parts 364, 366 of grooves 74, 76, so that the reduction instrument 344 can be removed from the anchor extender 20.
    [00075] The reduction instrument 344 also includes an actuating member 370, positioned in the passage 358 of the housing member 356. The actuating member 370 includes a proximal part 380 that has a plurality of flat surfaces that can, among other functions, facilitate the fitting of the proximal part 380 by an appropriately configured instrument used to rotate the driving member 370. The driving member 370 also includes an internally threaded passage 382, which, as illustrated in Fig. 30, is engaged with a part of the threaded proximal part 348. The driving member 370 is further provided with an annular projection 374, which is positioned in an annular groove 372 of the housing member 356. A plurality of ball bearings 376, 378 are positioned on opposite sides of the annular projection 374 and a spacer member 388 is positioned adjacent to ball bearings 378. A locking member 384 in the form of a pressure ring, for example, is positioned between the space member evaporator 388 and annular flange 386 on the housing member 356 to retain the actuator member 370 in the passage 358. In this configuration, the actuator member 370 is retained axially in the passage 358, while also being rotatable relative to the housing member 356.
    [00076] The housing member 356 also includes a projection 390 which engages with an elongated groove 354 interrupting threading in the proximal part 348 of the elongated shaft part 346, so that the elongated shaft part 346 is prevented from rotating with respect to the member housing 356. Similarly, it should be noted that the elongated shaft part 346 is axially displaced with respect to the housing member 356 when the driving member 370 is rotated in relation to the housing member 356. Therefore, the driving member 370 can be rotated in a first direction in order to distally elongate the elongated shaft part 346 with respect to
    Petition 870190106883, of 10/22/2019, p. 40/47 / 38 housing member 356, for fitting with the connecting element 36 to position the connecting element 36 in the proximal receiving parts 32a, 32b of the anchors 30a, 30b. Once the connecting element 36 has been properly positioned, the driving member 370 can be rotated in a second opposite direction, in order to closely move the elongated shaft part 346, relative to the housing member 356, in order to disengage the part of elongated axis 346 of the connecting element 36. Additionally or alternatively, it should be noted that the housing member 356 can be detached from the post member 72 and that the reduction instrument 344 can be removed from the anchor extender 20 or 22 once the element connector 36 has been positioned in a desired location without proximally displacing the elongated shaft portion 346.
    [00077] In one embodiment, systems for positioning a connecting element adjacent to the spinal column in minimally invasive surgical procedures include one or more extensors removably fitted to one or more anchors fitted to a bone segment. Anchor extenders provide a reference to the respective anchor locations within the patient, even when the anchor is obstructed by the patient's skin and / or tissue. Similarly, the anchor extenders are dimensioned so that a part of them extends above the skin of a patient, when they are attached to the bone anchors. In one way, it is envisaged that separate incisions can be made to use and position each anchor and anchor extender. An insertion tool fits with one of the anchor extenders and is movable along a longitudinal axis of the anchor extender. In response to the insertion instrument's movement along the longitudinal axis towards the bone anchors, a leading end of the connecting element is rotated away from the longitudinal axis until the connecting element is positioned adjacent to the number of bone anchors. . In one aspect of this arrangement, the
    Petition 870190106883, of 10/22/2019, p. 41/47 / 38 insertion instrument fits with the anchor extender so that the connecting element is introduced at the location adjacent to the number of bone anchors through the same incision through the tissue and muscle in which the respective anchor extender is positioned. However, it should be noted that the forms, aspects, configurations, arrangements and alternative methods are contemplated with respect to the subject revealed and described here.
    [00078] Alternative configurations of the systems described here are also contemplated. For example, in one or more ways the systems described here can be configured to insert a connecting element that extends through and is fitted with anchors positioned on three or more vertebral levels or on three or more parts or bone segments. In addition, use of the systems described here, for the stabilization of bones, bone structures or other anatomical details, in addition to vertebral stabilization, are contemplated. In addition, the systems and instrumentation described here can also be used in surgical procedures involving animals or in demonstrations for training, education, marketing, veils and / or advertising purposes. In addition, the systems and instrumentation described here can also be used in or in connection with a non-living patient, such as a cadaver, aid or training model, or in connection with testing of surgical systems, surgical procedures, devices and / or orthopedic appliances.
    [00079] Any theory, operating mechanism, proof or finding cited here is intended to further increase the understanding of this application and is not intended to make the present application in any way dependent on such theory, operating mechanism, proof or finding . It should be understood that, although the use of the words preferable, preferably or preferred in the description above indicates that the aspect thus described may be more desirable, it may, however, not be necessary and the embodiments without them may be contemplated as within the scope application, this
    Petition 870190106883, of 10/22/2019, p. 42/47 / 38 scope being defined by the following claims. When reading the claims, it is intended that when words such as “one”, “one”, “at least one (one)”, “at least a part” are used there is no intention to limit the claim to only an item, unless specifically mentioned to the contrary in the claim. In addition, when the language "at least a part" and / or "a part" is used, the item may include a part and / or the entire item, unless specifically quoted to the contrary.
    [00080] Although the application has been illustrated and described in detail in the drawings and previous description, it is to be considered as illustrative and not restrictive in character, being understood that only the selected and equivalent embodiments that are within the spirit of the order as defined here or by any of the following items are desired to be protected.
    权利要求:
    Claims (9)
    [1]
    1. Anchor extender (20), characterized by the fact that it comprises:
    an elongated body (40) extending between a proximal end part (24a) and a distal end part (24b);
    a first pair of locking members (166, 168), coupled in pivots, with said elongated body (40) adjacent to said distal end part (24n), said first pair of locking members (166, 168) being movable between a first configuration, to receive and release a first part of a bone anchor (30a) and a second configuration to fit said first part of said bone anchor (30a);
    a second pair of locking members (170, 172), coupled to pivots with said elongated body (40) adjacent to said distal end part (24b) and opposite to said first pair of locking members (166, 168), said second pair of locking members (170, 172) being movable between a first configuration to receive and release a second part of said bone anchor (30a) and a second configuration to fit said second part of said bone anchor (30a); and a locking mechanism (82) axially displaceable with respect to said elongated body (40), wherein said locking mechanism (82) is configured to lock said first and second pairs of interlocking members (166, 168, 170, 172 ) in said second configuration.
    [2]
    An anchor extender (20) according to claim 1, characterized in that said elongated body (40) includes a first leg member (62), positioned opposite a second leg member (64), and said first pair of legs locking members (166, 168) will be pivoted to said first leg member (62) and said second pair of locking members (170, 172) to be pivoted to said second leg member (64).
    [3]
    An anchor extender (20) according to claim 1,
    Petition 870190106883, of 10/22/2019, p. 44/47
    2/3 characterized in that said elongated body (40) includes a hollow interior (66) and a first elongated opening (68) communicating with said hollow interior, said first elongated opening (68) extending through a first side of said elongated body (40) from said proximal end part (24a) to said distal end part (24b).
    [4]
    An anchor extender (20) according to claim 3, characterized in that said elongated body (40) also includes a second elongated opening (70), extending through a second side of said elongated body (40) opposite said first elongated opening (68), said second elongated opening (70) communicating with said hollow interior (66) and extending proximally from said distal end part (24b) and ending distally from said proximal end part (24a).
    [5]
    Anchor extender (20) according to claim 1, characterized by the fact that it also comprises a first impeller element (206) positioned between said first pair of locking members (166, 168) and a second impeller element positioned between said second pair of locking members (170, 172), said first and second pusher elements (206) impelling said first and second pair of locking members (166, 168, 170, 172) towards said second configuration.
    [6]
    An anchor extender (20) according to claim 1, characterized in that said locking mechanism (82) includes a pair of elongated locking members (86, 88), each extending between a proximal end ( 90, 114) and a distal end (92, 116), and a cover member (84) fitted with said proximal ends (90, 114) of said elongated locking members (86, 88) and positioned around said part proximal end (24a) of said elongated body (40).
    [7]
    Anchor extender (20) according to claim 6, characterized in that said distal ends (92, 116) of said pair of elongated locking members (86, 88) include a first tongue
    Petition 870190106883, of 10/22/2019, p. 45/47
    3/3 (110, 134) removed from a second tongue (112, 136), said first and second tongues (110, 112, 134, 136) being receptable in receptacles formed in respective of said first and second pairs of fitting members (166, 168, 170, 172), when said locking mechanism is distally displaced with respect to said elongated body (40), in order to lock said first and second pairs of interlocking members (166, 168, 170, 172) in said second configuration.
    [8]
    Anchor extender (20) according to claim 6, characterized in that each of said elongated locking members (86, 88) includes a raised surface (96, 120), configured to fit with a recess positioned between the respective of said first and second pairs of interlocking members (166, 168, 170, 172), when said locking mechanism (82) is distally displaced with respect to said elongated body (40), in order to force said first and second according to pairs of interlocking members (166, 168, 170, 172) towards said second configuration.
    [9]
    An anchor extender (20) according to claim 6, characterized in that it also comprises a retaining member (150) that can be freely inserted with said cover member (84) of said locking mechanism (82), in order to retaining said locking mechanism (82) in a position relative to said elongated body (40), where said first and second pairs of locking members (166, 168, 170, 172) are locked in said second configuration by said locking members elongated (86, 88).
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    同族专利:
    公开号 | 公开日
    US8323286B2|2012-12-04|
    EP2542166B1|2018-05-09|
    AU2011223673B2|2015-01-22|
    EP2542166A4|2014-10-01|
    BR112012021929A2|2016-05-31|
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    US20130041415A1|2013-02-14|
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    RU2524132C2|2014-07-27|
    CN102858260A|2013-01-02|
    KR20130037669A|2013-04-16|
    KR101792893B1|2017-11-02|
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    法律状态:
    2019-01-08| B06F| Objections, documents and/or translations needed after an examination request according art. 34 industrial property law|
    2019-07-30| B06U| Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure|
    2020-03-24| B09A| Decision: intention to grant|
    2020-04-14| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 02/03/2011, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US12/715,908|US8323286B2|2010-03-02|2010-03-02|Systems and methods for minimally invasive surgical procedures|
    PCT/US2011/026857|WO2011109507A2|2010-03-02|2011-03-02|Systems and methods for minimally invasive surgical procedures|
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