• 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:
    Systems and methods for sealing a septum within a catheter device The present invention relates to systems and methods for sealing and ventilating a septum from an intravenous catheter device. implementations of the present application include a compact molded septum (50) that is retained within an internal lumen of a catheter adapter (14) such that delayed or stopped airflow and / or fluid is allowed to pass between the septum compact and an inner wall surface of the catheter adapter via one or more fluid paths. in some cases, a pressure ring is provided to secure the position of the compact septum within the catheter adapter, a fluid path being supplied through the pressure ring.
    公开号:BR112014008349B1
    申请号:R112014008349-5
    申请日:2012-10-04
    公开日:2020-12-15
    发明作者:Marty L. Stout；S. Ray Isaacson；Jonathan Karl Burkholz
    申请人:Becton, Dickinson And Company；
    IPC主号:
    专利说明:

    BACKGROUND OF THE INVENTION
    [001] Catheters are generally used for a variety of infusion therapies. For example, catheters are used to infuse fluids, such as normal saline, various medications, and total parenteral nutrition for a patient; draw blood from a patient; or monitor various parameters of the patient's vascular system. The catheters are typically attached to a catheter adapter that supports the catheter and provides an IV tube coupling. Generally, after placing the catheter in a patient's vasculature, the catheter adapter can be attached to a fluid source via a section of the IV tube to infuse fluids in the patient.
    [002] In order to verify the proper placement of the catheter in the blood vessel, the clinician generally confirms that there is "return" of blood from the patient's vasculature to the catheter return chamber or catheter adapter. Once the proper placement of the catheter is confirmed, the clinician must either attach the catheter adapter to a section of the IV tube, or continue to manually block the vein to prevent unwanted exposure to blood. The process of attaching the catheter adapter to the IV tube section requires the clinician to maintain pressure in the patient's vein, while simultaneously coupling the catheter adapter and the IV tube.
    [003] A common undesirable practice is to allow blood to flow temporarily and freely from the catheter adapter, while the clinician locates and couples the IV tube to the catheter adapter. Another common practice is to attach the catheter adapter to the IV tube before placing the catheter in the patient's vein. While this method can prevent unwanted exposure to blood, positive pressure from the IV tube in the catheter does not allow for desirable return and thus reduces the clinician's ability to confirm proper placement of the catheter.
    [004] Some catheter systems use a valve or septum disposed within the catheter adapter, as a barrier to control the flow of fluid through the catheter. Generally, a seal is provided between the septum and an internal surface of the catheter adapter, thereby preventing the flow of fluids around the septum. In some systems, a slit or perforation is provided in the septum where a controlled amount of fluid is allowed to bypass the septum. In other systems, a system of channels is provided between the outer surface of the septum and the inner surface of the catheter adapter, thereby providing a fluid path around the outside of the septum. However, methods where the septum of these systems are sealed within the catheter adapter are prone to undesirable leakage based on the various compressive forces that are exerted on a septum during catheterization and the subsequent infusion procedures.
    [005] Consequently, there is a need in the art for a catheter assembly that allows controlled desirable return without undesirable leakage. Such a catheter set is described here. SUMMARY OF THE INVENTION
    [006] In order to overcome the limitations discussed above, the present invention relates to systems and methods for sealing and ventilating a septum within a catheter device. In particular, the present invention relates to systems and methods for sealing and ventilating a septum within a catheter device and for providing a desired rate of fluid flow around the septum.
    [007] In some implementations of the present invention, a catheter device that is provided incorporates a septum having sealing and ventilation characteristics. In particular, in some embodiments, a septum is provided having a beveled sealing surface that forms a seal with a chamfered distal edge of a catheter adapter. Some aspects of the invention further include a fluid channel comprising a part of the septum membrane and the sealing surface, where a fluid is allowed to flow through the fluid channel to bypass the septum in a controlled manner.
    [008] In other implementations, a septum is provided having a sealing surface at an internal diameter of the septum membrane, where the distal edge of the catheter adapter comprises a hook or edge configuration. In some respects, a non-sealing centering rib is provided on the sealing surface. In other respects, a fluid channel is provided in the septum membrane and sealing surface, thus allowing fluid to flow between the septum in the catheter adapter. Still in some implementations, the non-sealing centralization and ventilation ribs comprise dome shapes, protuberances or other shapes.
    [009] In some implementations, a septum is provided having a tapered sealing area that does not comprise the outermost circumferential surface of the septum. Preferably, the outermost circumferential surface of the septum is spaced from the inner surface of the catheter adapter, thus allowing fluid flow between the outermost circumferential surface of the septum and the inner surface of the catheter adapter. In addition, a fluid channel is provided between the tapered sealing area and a distal edge of the catheter adapter to allow fluid to pass between the proximal and distal chambers of the catheter adapter.
    [010] In other implementations, a septum is provided having a beveled outer circumferential surface. The chamfered outer circumferential surface further comprises a plurality of fluid channels to allow fluid to pass between the septum and the inner surface of the catheter adapter.
    [011] Some aspects of the present invention further include a septum having a single large vent or fluid channel to facilitate the passage of fluid between the septum and the internal surface of the catheter adapter. Other aspects of the invention include a septum having a plurality of large vents thus enabling a user to calibrate the septum and / or the catheter device to a desired rate of fluid flow.
    [012] Still some implementations of the present invention include a molded valve or septum system. The molded septum includes an outer circumferential surface that includes a plurality of centering features, such as protrusions. The molded septum is generally shaped like a plate where the septum has a thin profile thus allowing the use of a shortened actuator. The thin profile of the molded septum also allows good drainage capacity and may allow for a shorter catheter, cannula, barrel and packaging adapter. In some implementations, the molded septum is retained within the catheter adapter via a retaining ring, such as a pressure ring. DESCRIPTION OF THE DRAWINGS
    [013] So that the manner in which the above features and advantages and other features and advantages of the invention are obtained will be readily understood, a more particular description of the invention briefly described above will be made with respect to the specific modalities of it that are illustrated in the attached drawings. These drawings represent only the typical embodiments of the invention and are therefore not considered to limit the scope of the invention.
    [014] Figure 1 is a perspective view of an intravascular device according to a representative embodiment of the present invention.
    [015] Figure 2 is an exploded cross-sectional view of an intravascular device according to a representative embodiment of the present invention.
    [016] Figure 3, shown in parts A-B, shows a septum having a tapered sealing surface according to a representative embodiment of the present invention.
    [017] Figure 4, shows in parts A-C, shows a septum having a vertical front face sealing surface according to a representative embodiment of the present invention.
    [018] Figure 5, shown in parts A-C, shows a septum having an inner diameter sealing surface according to a representative embodiment of the present invention.
    [019] Figure 6, shown in parts A-B, shows a septum having dome-shaped centralization features according to a representative embodiment of the present invention.
    [020] Figure 7, shown in parts A-B, shows a septum having a tapered sealing surface that is not on the outermost circumference of the septum according to a representative embodiment of the present invention.
    [021] Figure 8, shown in parts A-B, shows a septum having a tapered sealing surface according to a representative embodiment of the present invention.
    [022] Figure 9, shown in parts A-F, shows a slow-flowing, long-breathing septum according to a representative embodiment of the present invention.
    [023] Figure 10, shown in parts A-J, shows a molded insertion septum according to a representative embodiment of the present invention.
    [024] Figure 11 is a cross section of a catheter adapter comprising a compact molded septum fixed by a pressure ring according to a representative embodiment of the present invention.
    [025] Figure 12 is a cross section of a catheter adapter comprising a compact molded septum fixed by a pressure ring having a clip according to a representative embodiment of the present invention.
    [026] The mode of the present invention will be better understood in relation to the drawings, where similar reference numbers indicate elements of similar or identical functionality. It is readily understood that the components of the present invention, as generally described and illustrated in the figures represented here, could be arranged and designed in a wide variety of different configurations. Thus, the following detailed description, as depicted in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of the presently preferred embodiments of the invention. DETAILED DESCRIPTION OF THE INVENTION
    [027] With reference now to Figure 1, an intravascular device 10 is illustrated. The intravascular device 10 generally includes a catheter 12 coupled to a distal end 16 of a catheter adapter 14. The catheter 12 and catheter adapter 14 are integrally coupled such that an internal lumen of the catheter adapter 14 is in fluid communication with an internal lumen of catheter 12. Catheter 12 generally comprises a biocompatible material having sufficient stiffness to withstand pressures associated with insertion of the catheter into a patient.
    [028] In some embodiments, as shown, catheter 12 is an out-of-needle catheter that is made of a flexible or semi-flexible polymeric material and that can be used in combination with a rigid introducer needle 22. The rigid introducer needle 22 allows for insertion of the catheter outside the non-rigid needle in a patient. The introducer needle 22 can be coupled to a needle connector 26 that is selectively attached to the proximal end 18 of the catheter adapter 14. The introducer needle 22 is typically inserted through the catheter 12 so that the tip of the needle 22 extends beyond the tapered tip 20 of catheter 12. Inserting the introducing needle 22 into the patient's vein creates an opening in the vein through which the tapered tip 20 of catheter 12 is inserted. The outer surface of the tapered tip 20 allows for the gradual insertion of catheter 12 into the opening.
    [029] In other embodiments, catheter 12 is not an out-of-needle catheter, but comprises a rigid polymeric material, such as vinyl. Rigid catheters can include a beveled cut surface that is used to provide an opening in a patient to allow insertion of catheter 12 into the patient's vascular system. Consequently, in some embodiments, catheter 12 comprises a metallic material, such as titanium, stainless steel, nickel, molybdenum, surgical steel, and alloys thereof. In still other embodiments, surgically implanted catheters can also be used in combination with the present invention.
    [030] In some embodiments, catheter 12 is a peripheral type intravenous catheter that generally comprises a short or truncated catheter for insertion into a small peripheral vein. Such catheters generally comprise a catheter diameter of 14 gauge or smaller (on a Stubs scale), and are between approximately 13 mm and 52 mm in length. Peripheral intravenous catheters are typically designed for temporary placement. The short length of the catheter facilitates convenient placement of the catheter. In other modalities, catheter 12 is a central or midline catheter, which can be longer and used for longer periods.
    [031] With reference now to Figure 2, an exploded cross-sectional view of an intravascular device 10 is shown. In some embodiments, the intravascular device 10 comprises a catheter adapter 14 having an inner surface 60 for receiving a septum 50. In some embodiments , the inner surface 60 comprises a recessed groove having sufficient length and depth to accommodate the length and outer diameter of the septum 50. A distal shoulder 70 of the inner surface 60 is generally configured to abut the membrane 52 of the septum 50, thereby preventing the membrane 50 moves within the catheter adapter 14 in a proximal direction 72. The distal shoulder 70 can also provide a sealing surface for the septum 50, where the distal chamber 62 is sealed off from the proximal chamber 64. Generally, the septum 50 comprises a hyper-elastic material which, when assembled, interfaces with the inner surface 60 through forced adjustment. However, some embodiments of the present invention provide a compact septum model that is retained in the catheter adapter 14 via a pressure ring, as discussed below.
    [032] The embodiments of the present invention generally provide a catheter adapter having a septum that is retained within the internal lumen of the catheter adapter in such a way as to provide slow or interrupted flow of fluid and / or air through the internal lumen. In some cases, a fluid path is provided between the septum and an inner wall of the catheter adapter, where the fluid path is configured to allow air and / or fluid to pass through at a desired rate. In some cases, a cross-sectional area of the fluid path is selected to allow air to pass at a desired rate, preventing the passage of a fluid. In other cases, a cross-sectional area of the fluid path is selected to allow air to pass at a desired rate, while allowing fluid to pass at a slow or reduced rate. In this way, fluid return or containment can be controlled based on the geometries and dimensional parameters of the fluid path.
    [033] In some cases, a fluid path comprises a vent or channel provided on the inside surface of the catheter adapter in a position adjacent to the septum. In other embodiments, a fluid path comprises a vent or channel provided on the outer surface of the septum. In addition, in some cases, a fluid path comprises a vent or channel provided through part of a pressure ring, where the pressure ring fixes the position of the septum within the catheter adapter's internal lumen. Some embodiments of the present invention further comprise a centering feature on a circumferential surface of the septum, where the centering feature comprises a vent or channel to allow the passage of a fluid or air. In still some embodiments, a fluid path comprises a plurality of vents and / or channels provided as part of the septum, catheter adapter and / or pressure ring.
    [034] For example, with reference to FIG. 3A, in some embodiments, the membrane 52 of the septum 50 comprises a tapered sealing surface 80. The tapered sealing surface 80 and the membrane 52 further comprise fluid channels 82 through which fluid flows from the distal chamber 62 to the proximal chamber 54 after catheterization. In some embodiments, the distal shoulder 70 is further chamfered thus providing a surface against which the tapered sealing surface 80 is abutted to form a seal between the septum 50 and the distal shoulder 70 of the catheter adapter 14.
    [035] In some embodiments, the septum 50 further comprises non-sealing centering separating ribs 84. The ribs 84 provide a spacing function where a space 86 is provided between the outer surface of the septum 50 and the inner surface 60, as shown in Figures 3A and 3B. The ribs 84 also provide a centering function where the septum 50 is centered within the inner surface 60. In some embodiments, the ribs 84 also provide a retention function, where the ribs 84 engage in a groove (not shown) located in the inner surface 60. Ribs 84 are axially spaced around the outer circumference of the septum 50 thus providing significant spaces 86 for the flow of fluid around the outer circumference of the septum 50. In some embodiments, the number and / or width of the ribs 84 are adjusted to increase or decrease the possible flow rate around the outer circumference of the septum 50. In other embodiments, the width and depth of the channels 82 are adjusted to increase or decrease the possible flow rate between the distal chamber 62 and the proximal chamber 64. Consequently, the flow dynamics of the septum 50 can be adjusted as desired.
    [036] With reference now to Figures 4A and 4B, in some embodiments, the septum 50 comprises a flat membrane 52, and the catheter adapter 14 comprises a distal shoulder with a vertical front face 70. Consequently, a vertical seal is formed between the membrane 52 and the distal shoulder 70. In some embodiments, the septum 50 further comprises channels 82 and ribs 84 to center the septum 50 within the inner surface 60 and provide the flow of fluid between the distal chamber 62 and the proximal chamber 64 .
    [037] With respect to FIG. 4C, in some embodiments, a small space 88 is provided between a portion of the distal shoulder 70 and the fluid channel or space 86. Small space 88 is provided to prevent fluid stagnation between the catheter adapter 14 and the septum 50 In particular, the small space 88 deflects the path of blood fluid or other fluids flowing through channel 82 and space 86. Thus, small space 88 prevents fluid over-concentration and / or blood clotting within the fluid channel. 86.
    [038] With reference now to Figures 5A-5C, in some embodiments, the distal shoulder 70 comprises a hook or edge, as shown. Consequently, the membrane 52 of the septum 50 is modified to comprise a compatible sealing surface 90. For example, in some embodiments, the sealing surface 90 comprises an internal narrowing or chamfer on a surface of internal diameter of the septum, configured to interface with the hook surface or edge of the distal shoulder 70. In some embodiments, the sealing surface 90 further comprises ventilation ribs 92 that provide spacing and thus allow fluid flow between the distal shoulder 70 and parts of the sealing surface 90. In other embodiments, the distal shoulder 70 further comprises ventilation ribs 94 that provide spacing and thus allow fluid flow between the distal shoulder 70 on the sealing surface 90 of the septum 50. In some embodiments, the septum 50 comprises ribs 84 for provide additional spacing between the inner surface 60 and the outer circumference of the septum 50, as shown in Figures 5A and 5B.
    [039] With respect to Figures 6A to 6B, in some embodiments, the ribs 84 are replaced with domes, protrusions or other centering features 100 to provide the spacing between the outer surface of the septum 50 and the inner surface 60. Consequently , the shape features 100 provide a space 86 to allow fluid flow between the septum 50 and the inner surface 60.
    [040] With reference now to Figures 7A to 7B, in some embodiments, the outer circumferential surface of the septum 50 comprises a chamfered sealing surface 110. The catheter adapter 14 further comprises a distal shoulder 70 which is similarly chamfered to form a seal with the sealing surface 110. The membrane 52 and the beveled sealing surface 110 further comprise a channel 82 to allow controlled passage of fluids between the septum 50 and the distal shoulder 70. In some embodiments, the non-chamfered part of the outer circumferential surface of the septum 50 further comprises non-sealing centering ribs 84, as shown in Figure 7B and discussed earlier.
    [041] In some embodiments, the entire outer circumferential surface, or substantially the outer circumferential surface of the septum 50 is chamfered, as shown in Figures 8A-8B. Consequently, in some embodiments, the septum 50 comprises fluid channels 82 that provide a fluid path for fluids to flow between the septum 50 and the inner surface 60.
    [042] As previously mentioned, in some embodiments, a fluid channel is provided to allow controlled flow of fluid between the septum and the inner surface of the catheter adapter. With reference now to Figures 9A-9F, a barrel-shaped septum 150 is shown having a membrane 152. The septum 150 and membrane 152 further comprise a fluid or vent channel 182 that is provided as a device to allow fluid bypass the septum 150 and move between the proximal and distal chambers 64 and 62 of the catheter adapter 14. In one direction, the septum 150 comprises a single large sealing surface and a single channel of bypass fluid 182, as shown in Figures 9A-9D. The size, depth and width of the fluid channel 182 determine the fluid flow rate between the proximal and distal chambers 64 and 62. In other embodiments, the septum 150 comprises a plurality of fluid channels 182, as shown in the Figures 9A-9F. An advantage of having a plurality of fluid channels 182 is the elimination of any need for orientation of the septum within the inner surface 60. As with the single channel of the embodiment shown in Figures 9A-9F, fluid channels 182 of the embodiment shown in Figures 9E-9F can also be modified in size, depth, width and number to adjust the rate of fluid flow between the proximal and distal chambers 64 and 62.
    [043] With reference now to Figures 10A-10J, some embodiments of the present invention comprise a catheter adapter 14 having an inner surface 60 that is fitted with a molded insertion septum 200. The molded septum 200 generally comprises a flexible shaped septum disk or plate having an outer circumferential surface 202. The molded septum 200 further comprises a thin profile thus allowing the use of a shortened septum actuator. The thin profile of the molded septum 200 also allows for good drainage capacity and may allow for a shorter catheter, cannula, barrel and packaging adapter.
    [044] In some cases, the septum 200 further comprises a roughing ring 210 which is molded on the outer circumferential surface 202 during the process of molding the septum 200, as shown in Figures 10A-10H. The roughing ring 210 comprises a single ring having an external diameter sufficient to hold the septum 200 in a desired position within the catheter adapter 14. In some cases, the thinning ring 210 is molded into the septum 200 at an angle that allows the insertion of the septum 200 in the catheter adapter 14 in a distal direction 72, further prevents the movement of the septum 200 and the thinning ring 210 in a proximal direction 75. As such, the angle of the thinning ring 210 may allow insertion in a direction of the septum 200 on the catheter adapter 14. For example, in some embodiments, the roughing ring 210 and the septum 200 are inserted into the catheter adapter 14 so that the septum 200 is sealed against the sealing surface 290 and the interaction between the roughing ring 210 and the inner surface 60 maintains the seated position of the septum 200.
    [045] In some embodiments, the outer diameter of roughing ring 210 is selected to be slightly larger than the inner diameter of catheter adapter 14 on inner surface 60. As such, roughing ring 210 is slightly compressed as the roughing ring 210 and the septum 200 are seated on the inner surface 60. In other embodiments, the roughing ring 210 comprises a material that is harder than the material of the catheter adapter 14. Consequently, as the roughing 210 is forced into the catheter adapter 14, the roughing ring 210 excavates the inner surface 60 thereby preventing removal of the roughing ring 210 and septum 200 in a proximal direction 75.
    [046] Generally, the roughing ring 210 is shaped into the septum 200 so that a part of the roughing ring 210 extends radially beyond the outer circumferential surface 202 of the septum 200. This provides a space 292 between the outer circumferential surface 202 of the septum 200 and the inner surface 60 of catheter adapter 14, as shown in Figures 10A-10D and Figure 10H. In some embodiments, the space 292 comprises dimensions configured to allow and / or prevent the passage of liquid or air.
    [047] The roughing ring 210 is usually molded on the outer circumferential surface 202 of the septum 200 and retained there by mechanical interference. In other embodiments, the roughing ring 210 comprises one or more features 214 configured to increase the mechanical engagement between the roughing ring 210 and the septum 200. For example, the roughing ring 210 may comprise a plurality of holes 214 which increases the surface area of the roughing ring 210 and which are provided to receive a part of the septum material during the molding process of the septum 200. Thus, the holes 214 assist in interconnecting the septum 200 with the roughing ring 210.
    [048] In some cases, the roughing ring 210 further comprises one or more notches 212 that provide a space between the roughing ring 210 and the inner surface 60 of the catheter adapter 14, as shown in Figures 10A-10H. The notches 212 can include any dimension that may be required to allow air and / or fluid to pass through. In some cases, the dimensions of the notches 212 are selected to allow air to pass through and prevent the passage of fluid. In other embodiments, the dimensions of the notches 212 are selected to allow air and / or fluid to pass through at a desired flow rate. In addition, in some embodiments, the fluid channel 286 comprises dimensions configured to allow air and fluid to pass through, while the dimensions of the notches 212 are configured to allow air to pass through and prevent the passage of fluid.
    [049] With reference now to Figures 10I-10J, some modalities of the septum 200 further comprise one or more centralization features 100 such as protuberances, ridges, bars or buttons. The molded septum 200 further comprises a fluid channel 286 and the sealing surface 290. The sealing surface 290 forms a seal with the distal shoulder 70, while the fluid channel 286 allows fluid to pass between the molded septum 200 and the distal shoulder 70. The centering feature 100 further provides a space 292 thus providing the passage of fluid between the outer circumferential surface of the septum 200 and the inner surface 60. In some embodiments, the sealing surface 290 also includes centering features 100 in instead of, or in addition to, fluid channels 286.
    [050] In some embodiments, the molded septum 200 is retained in place via a retaining ring 300. The retaining ring 300 is positioned and retained in a groove 302 formed on an inner surface 60. In some embodiments, the retaining ring 300 further comprises a plurality of notches 312 to allow fluid to pass through the retaining ring 300. The molded septum 200 may further include a slot 310 to allow the passage of an introducer needle or other probe device.
    [051] With reference now to Figure 11, in some embodiments, the catheter adapter 14 further comprises a positive feature 311, such as an annular ring protrusion that is configured to receive the pressure ring 330 to hold the molded septum 400 in the place. In some cases, pressure ring 330 comprises a plurality of channels or vents 322 to allow air or fluid to pass through fluid channel 286. In some embodiments, vents 322 are sized to allow air to pass while preventing the passage of fluid. For example, vents 322 may comprise a transverse area that prevents fluid from passing due to surface tension.
    [052] Pressure ring 300 may comprise any biocompatible material having sufficient physical properties to retain septum 400 in a desired position within catheter adapter 14. For example, pressure ring 330 may comprise a plastic or polymeric material, a metallic material and / or a composite material. Pressure ring 330 may further comprise a coating to prevent bacterial colonization.
    [053] Still in some embodiments, the pressure ring 330 can include a clip 332 that is configured to interconnect the pressure ring 330 with the molded septum 400, as shown in Figure 12. The pressure ring 330 is still seated in a groove 302 formed on the inner surface 60, thus preventing movement of the septum 400 and pressure ring 330 in the distal and / or proximal directions 72 and 75. The desired location of the septum 400 can be achieved by placing the groove 302. In some embodiments, a fluid channel 286 is provided between the molded septum 400 and the inner wall surface of the catheter adapter 14. Furthermore, in some embodiments, the pressure ring 330 comprises one or more notches 322 to allow controlled air passage and / or fluid through pressure ring 330.
    [054] The present invention can be incorporated in other specific forms without abandoning its structures, methods, or other essential characteristics as widely described here and claimed below. The described modalities are considered in all aspects only as illustrative, and not restrictive. The scope of the invention is then indicated by the appended claims, rather than the previous description. All changes that fall within the meaning and equivalence range of the claims are covered within their scope.
    权利要求:
    Claims (10)
    [0001]
    1. Intravenous catheter set (10), CHARACTERIZED by the fact that it comprises a septum (50) having a proximal end, a distal end (52), and an external surface, a part of the distal end (52) forming a seal with a distal shoulder (70) from a catheter adapter (14), the outer surface of the septum (50) further comprising one or more non-sealing centering ribs (84) and one or more fluid paths (82, 86) interposed between the external surface of the septum (50) and the distal shoulder (70) of the catheter adapter, formed on the surface of the distal end (52) from an internal part of the surface of the distal end (52) along the external part of the surface from the distal end (52) and to the outer surface of the septum (50), thus allowing fluid or air within the distal chamber to deflect the seal formed between the outer surface of the distal end (52) and the distal shoulder ( 70) and the flow around the top external surface of the septum (50) and into a proximal chamber (64).
    [0002]
    2. Assembly (10) according to claim 1, CHARACTERIZED by the fact that it additionally comprises a pressure ring (330) having a first surface that is in contact with an internal surface of the catheter adapter (14), and additionally comprises a second surface which is in contact with the septum (50).
    [0003]
    3. Set (10), according to claim 1, CHARACTERIZED by the fact that the part of the distal end (52) of the septum (50) is chamfered.
    [0004]
    4. Set (10), according to claim 1, CHARACTERIZED by the fact that the distal shoulder (70) of the catheter adapter (14) is chamfered.
    [0005]
    5. Assembly (10) according to claim 2, CHARACTERIZED by the fact that the fluid path comprises a channel (82) provided through the pressure ring (330).
    [0006]
    6. Set (10) according to claim 1, CHARACTERIZED by the fact that the non-sealing centering rib (84) comprises a plurality of non-sealing centering ribs (84) coupled to a circumferential surface of the septum (50) .
    [0007]
    7. Assembly (10) according to claim 1, CHARACTERIZED by the fact that the fluid path comprises a space (88) interposed between the external surface of the septum (50) and an internal surface of the catheter adapter (14) .
    [0008]
    8. Assembly (10), according to claim 7, CHARACTERIZED by the fact that a height of the space (88) is equal to a height of the non-sealing centering rib (84).
    [0009]
    9. Assembly (10), according to claim 1, CHARACTERIZED by the fact that the outer surface additionally comprises a channel (82) for receiving a pressure ring (330), in which the pressure ring (330) couples the septum (50) to an internal surface of a catheter adapter (14) to retain the septum (50) in the desired position within an internal lumen of the catheter adapter (14).
    [0010]
    10. Assembly (10) according to claim 1, CHARACTERIZED by the fact that the outer surface additionally comprises a channel (82) for receiving a pressure ring (330), in which the pressure ring (330) couples the compact septum (50) to an internal surface of a catheter adapter (14) to retain the compact septum (56) in the desired position within an internal lumen of the catheter adapter (14).
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    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE2817102C2|1978-04-19|1985-01-24|Dr. Eduard Fresenius, Chemisch-pharmazeutische Industrie KG, 6380 Bad Homburg|Connector for plastic cannulas or venous catheters|
    US4449693A|1982-09-30|1984-05-22|Gereg Gordon A|Catheter check valve|
    GB8527646D0|1985-11-08|1985-12-11|Cox J A|Devices for sampling drainage|
    DE8629214U1|1986-11-03|1987-01-15|Bodenseewerk Perkin-Elmer & Co Gmbh, 7770 Ueberlingen, De|
    US4809679A|1986-11-19|1989-03-07|Olympus Optical Co., Ltd.|Forceps plug for endoscopes|
    GB8627808D0|1986-11-20|1986-12-17|Cox J A|Sampling liquids from human/animal body|
    US4842591A|1988-01-21|1989-06-27|Luther Ronald B|Connector with one-way septum valve, and assembly|
    DE3809127C1|1988-03-18|1989-04-13|B. Braun Melsungen Ag, 3508 Melsungen, De|
    US4874377A|1988-05-26|1989-10-17|Davis Newgard Revocable Family Living Trust|Self-occluding intravascular cannula assembly|
    US5064416A|1988-05-26|1991-11-12|Newgard Kent W|Self-occluding intravascular cannula assembly|
    US4950257A|1988-09-15|1990-08-21|Mallinckrodt, Inc.|Catheter introducer with flexible tip|
    US5053014A|1990-02-01|1991-10-01|Critikon, Inc.|Catheter with controlled valve|
    US5041097A|1990-02-26|1991-08-20|Johnson Gerald W|Intravenous catheter fitting with protective end seal|
    US5062836A|1990-03-14|1991-11-05|The Kendall Company|Placement device for a catheter and guide wire|
    US5084023A|1990-03-22|1992-01-28|Critikon, Inc.|Bloodless catheter with self-shielding needle|
    US5127905A|1990-05-02|1992-07-07|Critikon, Inc.|Stickless catheter with manual shut-off valve|
    US5108374A|1990-05-02|1992-04-28|Critikon, Inc.|Stickless catheter with manual shut-off valve|
    US5085645A|1990-08-15|1992-02-04|Becton, Dickinson And Company|Apparatus and method for a catheter adapter with valve|
    US5154703A|1990-10-30|1992-10-13|Care Medical Devices, Inc.|Bloodless catheter|
    US5290246A|1991-01-18|1994-03-01|Terumo Kabushiki Kaisha|Piercing needle|
    US5156596A|1991-02-04|1992-10-20|Menlo Care, Inc.|Catheter with changeable number of lumens|
    US5295969A|1992-04-27|1994-03-22|Cathco, Inc.|Vascular access device with air-tight blood containment capability|
    US5234410A|1992-10-23|1993-08-10|Vlv Associates|Catheter assembly|
    DE4311715C2|1993-04-08|1996-02-01|Fresenius Ag|Port cannula|
    US5330435A|1993-04-08|1994-07-19|Vaillancourt Vincent L|Valve for a catheter assembly|
    US5350363A|1993-06-14|1994-09-27|Cordis Corporation|Enhanced sheath valve|
    US5657963A|1993-06-16|1997-08-19|United States Surgical Corporation|Seal assembly for accommodating introduction of surgical instruments|
    US5352205A|1993-09-16|1994-10-04|Lawrence Dales|Bloodless insertion catheter assembly|
    JP2584597B2|1993-09-29|1997-02-26|ベクトン・ディッキンソン・アンド・カンパニー|Catheter introduction device with blood seal|
    US5806831A|1993-10-13|1998-09-15|Paradis; Joseph R.|Control of fluid flow with internal cannula|
    US5549577A|1993-12-29|1996-08-27|Ivac Corporation|Needleless connector|
    US5522804A|1994-02-15|1996-06-04|Lynn; Lawrence A.|Aspiration, mixing, and injection syringe|
    US5405323A|1994-02-22|1995-04-11|Aeroquip Corporation|Catheter check valve assembly|
    US5487728A|1994-05-19|1996-01-30|Vaillancourt; Vincent L.|Connector assembly|
    US5549566A|1994-10-27|1996-08-27|Abbott Laboratories|Valved intravenous fluid line infusion device|
    DE4442352C1|1994-11-29|1995-12-21|Braun Melsungen Ag|Valve arrangement provided in connector for use e.g. with cannula|
    US5520666A|1994-12-06|1996-05-28|Abbott Laboratories|Valved intravenous fluid line connector|
    US5575769A|1995-05-30|1996-11-19|Vaillancourt; Vincent L.|Cannula for a slit septum and a lock arrangement therefore|
    IT1285266B1|1996-02-26|1998-06-03|Borla Ind|CONNECTOR WITH PROTECTION VALVE FOR INFUSION / TRANSFUSION AND SIMILAR MEDICAL LINES.|
    US5651772A|1996-02-28|1997-07-29|Aeroquip Corporation|Needle guard assembly|
    US5817069A|1996-02-28|1998-10-06|Vadus, Inc.|Valve assembly|
    US6273869B1|1996-06-13|2001-08-14|Vincent L. Vaillancourt|Valve connector|
    US5738144A|1996-10-11|1998-04-14|Aeroquip Corporation|Luer connecting coupling|
    US6883778B1|1996-11-18|2005-04-26|Nypro Inc.|Apparatus for reducing fluid drawback through a medical valve|
    JP3752631B2|1996-11-18|2006-03-08|ナイプロ・インク|Swabable lure cone valve|
    US5967490A|1997-01-08|1999-10-19|Vadus, Inc.|Catheter hubs having a valve|
    US5954698A|1997-01-08|1999-09-21|Vadus, Inc.|Catheter apparatus having valved catheter hub and needle protector|
    US5911710A|1997-05-02|1999-06-15|Schneider/Namic|Medical insertion device with hemostatic valve|
    US6117108A|1997-08-20|2000-09-12|Braun Melsungen Ag|Spring clip safety IV catheter|
    NL1007997C2|1998-01-09|1999-07-12|Cordis Europ|Device for inserting an elongated medical device.|
    US6077244A|1998-04-30|2000-06-20|Mdc Investment Holdings, Inc.|Catheter insertion device with retractable needle|
    CN100471535C|1998-05-29|2009-03-25|劳伦斯A·林恩|Luer receiver and method for fluid transfer|
    US6331176B1|1999-03-11|2001-12-18|Advanced Cardiovascular Systems, Inc.|Bleed back control assembly and method|
    CA2380907C|1999-08-12|2009-12-08|Lawrence A. Lynn|Luer receiving vascular access system|
    FR2802432B1|1999-12-16|2002-03-08|Vygon|AUTOMATIC SHUTTER CONNECTOR FOR CONNECTING A LIQUID INJECTION HEAD TO AN INJECTION OUTPUT|
    US6699221B2|2000-06-15|2004-03-02|Vincent L. Vaillancourt|Bloodless catheter|
    JP4996015B2|2001-03-12|2012-08-08|メディキット株式会社|Indwelling catheter|
    US6506181B2|2001-05-25|2003-01-14|Becton, Dickinson And Company|Catheter having a low drag septum|
    JP3808806B2|2002-06-26|2006-08-16|メディキット株式会社|Indwelling needle|
    DE20210394U1|2002-07-04|2002-09-12|Braun Melsungen Ag|catheter introducer|
    US7347839B2|2003-02-12|2008-03-25|Nipro Corporation|Indwelling catheter|
    US7520489B2|2003-06-17|2009-04-21|Filtertek Inc.|Fluid handling device and method of making same|
    US7470254B2|2003-08-18|2008-12-30|Medical Components, Inc.|Needle with sealing valve|
    US7608082B2|2005-01-06|2009-10-27|Tyco Healthcare Group Lp|Surgical seal for use in a surgical access apparatus|
    US8747387B2|2005-10-11|2014-06-10|Covidien Lp|IV catheter with in-line valve and methods related thereto|
    WO2007044878A2|2005-10-11|2007-04-19|Covidien Ag|Iv catheter with in-line valve and methods related thereto|
    CA2625471C|2005-10-11|2014-06-17|Covidien Ag|Iv catheter with in-line valve and methods related thereto|
    US20070083162A1|2005-10-11|2007-04-12|Span-America Medical Systems, Inc.|Valve for intravenous catheter|
    CN101454031B|2006-03-01|2012-09-05|贝克顿·迪金森公司|Controlled flashback for vascular access devices|
    ES2780373T3|2006-03-01|2020-08-25|Becton Dickinson Co|Optimization method for fluid flow parameters of an extravascular system|
    JP2008043445A|2006-08-11|2008-02-28|Medikit Kk|Catheter, hollow needle and dwelling needle assembly|
    US8308691B2|2006-11-03|2012-11-13|B. Braun Melsungen Ag|Catheter assembly and components thereof|
    US8202251B2|2008-03-14|2012-06-19|Access Scientific, Inc.|Access device|
    US7938805B2|2008-05-19|2011-05-10|Becton, Dickinson And Company|Radially compressible blood control valve|
    US20100036329A1|2008-08-07|2010-02-11|Nasser Razack|Hemostasis valve|
    US8574203B2|2009-02-11|2013-11-05|Becton, Dickinson And Company|Systems and methods for providing a flushable catheter assembly|
    US8469928B2|2009-02-11|2013-06-25|Becton, Dickinson And Company|Systems and methods for providing a flushable catheter assembly|
    US8496623B2|2009-03-02|2013-07-30|Becton, Dickinson And Company|Bi-directional cannula feature capture mechanism|
    DE202009009602U1|2009-07-15|2009-12-10|B. Braun Melsungen Ag|Catheter device with needle guard|
    WO2012002015A1|2010-06-30|2012-01-05|テルモ株式会社|Connection tool and indwelling needle assembly|
    JP5253534B2|2011-03-15|2013-07-31|メディキット株式会社|Indwelling catheter|AT424879T|2005-07-06|2009-03-15|Vascular Pathways Inc|DEVICE FOR INTRAVENOUS CATHETER INTRODUCTION AND USE METHOD|
    AT548972T|2007-05-07|2012-03-15|Vascular Pathways Inc|INTRAVENOUS CATHETER INTRODUCTION AND BLOOD SPECIMENS|
    USD903100S1|2015-05-01|2020-11-24|C. R. Bard, Inc.|Catheter placement device|
    US10384039B2|2010-05-14|2019-08-20|C. R. Bard, Inc.|Catheter insertion device including top-mounted advancement components|
    USD903101S1|2011-05-13|2020-11-24|C. R. Bard, Inc.|Catheter|
    US9950139B2|2010-05-14|2018-04-24|C. R. Bard, Inc.|Catheter placement device including guidewire and catheter control elements|
    US8932258B2|2010-05-14|2015-01-13|C. R. Bard, Inc.|Catheter placement device and method|
    US8690833B2|2011-01-31|2014-04-08|Vascular Pathways, Inc.|Intravenous catheter and insertion device with reduced blood spatter|
    ES2750035T3|2011-02-25|2020-03-24|Bard Inc C R|Medical component insertion device including a retractable needle|
    KR102257007B1|2013-03-16|2021-05-27|폴리 메디큐어 리미티드|Transfer device valve|
    US10500376B2|2013-06-07|2019-12-10|Becton, Dickinson And Company|IV catheter having external needle shield and internal blood control septum|
    DE102013020864A1|2013-12-12|2015-06-18|Fresenius Medical Care Deutschland Gmbh|Connector with lip valve|
    CN104922748A|2014-01-08|2015-09-23|B.布劳恩梅尔松根股份公司|Catheter Assemblies With Valves And Related Methods|
    US9750925B2|2014-01-21|2017-09-05|Becton, Dickinson And Company|Ported catheter adapter having combined port and blood control valve with venting|
    CA2945606A1|2014-04-18|2015-10-22|Becton, Dickinson And Company|Needle capture safety interlock for catheter|
    US10232146B2|2014-09-05|2019-03-19|C. R. Bard, Inc.|Catheter insertion device including retractable needle|
    JP1547030S|2014-11-06|2016-04-04|
    GB2529270B|2015-01-02|2016-07-27|Becton Dickinson Co|Safety intravenous catheter with friction-based retention and disabling feature|
    DE102015005002A1|2015-04-21|2016-10-27|Xenios Ag|cannula|
    CN113350614A|2015-05-15|2021-09-07|C·R·巴德股份有限公司|Catheter placement device including extendable needle safety feature|
    FR3038518A1|2015-07-08|2017-01-13|Guerbet Sa|SYRINGE AND METHOD OF ASSEMBLING|
    ES2805302T3|2015-08-18|2021-02-11|Braun Melsungen Ag|Catheter Devices with Valves and Related Methods|
    US10525237B2|2015-10-28|2020-01-07|Becton, Dickinson And Company|Ergonomic IV systems and methods|
    US10357636B2|2015-10-28|2019-07-23|Becton, Dickinson And Company|IV access device having an angled paddle grip|
    US10639455B2|2015-10-28|2020-05-05|Becton, Dickinson And Company|Closed IV access device with paddle grip needle hub and flash chamber|
    US10814106B2|2015-10-28|2020-10-27|Becton, Dickinson And Company|Soft push tabs for catheter adapter|
    US10744305B2|2015-10-28|2020-08-18|Becton, Dickinson And Company|Ergonomic IV systems and methods|
    US10245416B2|2015-10-28|2019-04-02|Becton, Dickinson And Company|Intravenous catheter device with integrated extension tube|
    US10549072B2|2015-10-28|2020-02-04|Becton, Dickinson And Company|Integrated catheter with independent fluid paths|
    US10682495B2|2015-12-18|2020-06-16|B. Braun Melsungen Ag|Needle devices with adjustable grips and related methods|
    US10806894B2|2016-02-11|2020-10-20|Cook Medical Technologies Llc|Catheter hub with sealed access port|
    WO2017143176A1|2016-02-18|2017-08-24|Smiths Medical Asd, Inc.|Closed system catheter|
    CN106178197A|2016-08-30|2016-12-07|北京伏尔特技术有限公司|A kind of exhaust device of infusion apparatus|
    US10032552B2|2016-08-30|2018-07-24|Becton, Dickinson And Company|Cover for tissue penetrating device with integrated magnets and magnetic shielding|
    US10493262B2|2016-09-12|2019-12-03|C. R. Bard, Inc.|Blood control for a catheter insertion device|
    US10238852B2|2016-10-05|2019-03-26|Becton, Dickinson And Company|Septum housing|
    USD835262S1|2016-10-05|2018-12-04|Becton, Dickinson And Company|Intravenous catheter assembly|
    USD819802S1|2016-10-05|2018-06-05|Becton, Dickinson And Company|Catheter adapter|
    USD844781S1|2016-10-05|2019-04-02|Becton, Dickinson And Company|Needle hub|
    USD837368S1|2016-10-05|2019-01-01|Becton, Dickinson And Company|Catheter adapter grip|
    USD808013S1|2016-10-27|2018-01-16|Smiths Medical Asd, Inc.|Catheter|
    USD921884S1|2018-07-27|2021-06-08|Bard Access Systems, Inc.|Catheter insertion device|
    WO2020068759A1|2018-09-25|2020-04-02|Smiths Medical Asd, Inc.|Overmolded septum for catheter hub|
    法律状态:
    2018-12-11| B06F| Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]|
    2019-10-01| B06U| Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]|
    2020-09-29| B09A| Decision: intention to grant [chapter 9.1 patent gazette]|
    2020-12-15| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 04/10/2012, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    US201161544162P| true| 2011-10-06|2011-10-06|
    US61/544.162|2011-10-06|
    US13/644.128|2012-10-03|
    US13/644,128|US9089671B2|2011-10-06|2012-10-03|Systems and methods for sealing a septum within a catheter device|
    PCT/US2012/058736|WO2013052656A1|2011-10-06|2012-10-04|Systems and methods for sealing a septum within a catheter device|
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