• 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:

    公开号:SE0950988A1
    申请号:SE0950988
    申请日:2009-12-18
    公开日:2011-06-19
    发明作者:Bjoern Atthoff；Erik Hansson；Fredrik Preinitz；Fredrik Mahlin
    申请人:St Jude Medical Systems Ab；
    IPC主号:
    专利说明:

    15 20 25 30 2 hemostasis in the wound but admits that due to the artery can transmit enough blood to ensure that the tissue remains viable In addition, the adjustable seat belt around the wrist is tightened by the hand which helps to keep the wrist still.
    US-6,647,986 discloses a hand / wrist positioning splint for holding the hand positioned when making the radial artery accessible and for allowing the use of a hemostasis band. Two straps are used to hold the patient's hand to the splint and the hemostasis band comprises a buckle to be able to apply sufficient pressure to the puncture site.
    US-7,498,477 discloses a hemostasis device with a flexible band adapted to bind around a patient's limb where bleeding is to be stopped at a puncture site. The band has a curved plate that is transparent to ensure that the puncture site is visible through the band.
    By WO 2004/17841 a radial artery compression system is known. The system comprises a rail with a supporting structure to prevent the rail from wobbling when placed on a smooth surface. Furthermore, the system has three belts, one of which is a compression belt.
    Another compression device for the radial artery is known from NL 1016025.
    The device uses two straps to hold the wrist and a third strap is used to stop the bleeding at the puncture site.
    Finally, U.S. Pat. No. 4,798,199 discloses an atrial wrist restraint used to support a patient's extremity for atrial or intravenous care which includes a substantially rigid, uniformly molded body adapted to abut the patient's hand, wrist and at least a portion of the patient's forearm.
    The practitioners have realized that it is very important that the forearm is firmly flexed throughout the procedure so that the forearms, radial and ulnar bones, are kept still. It is thus an object of the invention to provide an improved system which enables a safe applied pressure against the puncture site, and which in particular enables a subsequent adjustment of the applied pressure to the puncture site.
    It is a further object of the invention to provide an improved system which is easy to handle and economical to manufacture and transport to the end user.
    Summary of the Invention The above objects are achieved by the present invention as defined by the independent claims.
    Preferred embodiments are set out in the dependent claims and in the detailed description.
    The present invention is thus based on the inventors' insight that by adapting the shape of the plate to the anatomy of the forearm, and in particular in relation to the distal parts of the forearm bones, the ulnar and radial bones, an improved stability can be achieved.
    The improvements are achieved by the present invention and can be summarized as follows: The compression element is transparent to more easily see the puncture site and which provides control over the puncture site in terms of placement and detection of bleeding. The compression element is not rigid but is slightly flexible to allow a comfortable pressure. The dorsal forearm plate expands the wrist in a controlled position, minimizes bleeding complications and is comfortable for the patient and narrower than previously used plates. In addition, the plate prevents the patient from twisting the wrist and causes subsequent bleeding as well as reduces the risk of venous stasis.
    The primary use of the radial artery compression system of the present invention is to produce hemostasis following a trans radial procedure. However, a cardiologist may also use the forearm plate before, during and after the procedure to fix the wrist in a bent position that allows easier access to radial arteries.
    Brief description of the attached fi gures The invention will be described with reference to the attached figures, where: Figure 1 is a schematic cross-sectional view of the wrist anatomy Figure 2 schematically shows the forearms, the ulnar bone and the radial bone.
    Figure 3 is a perspective view of the radial compression system according to a first embodiment of the present invention.
    Figure 4 is a perspective view of the radial compression system according to a second embodiment of the present invention.
    Figure 5 is a perspective view showing the side facing the patient's forearm of the dorsal forearm plate according to the invention.
    Figure 6 is a schematic cross-sectional view of the dorsal lower subplate of the present invention taken along A-A indicated in Figures 3-5.
    Figure 7 is a bottom perspective view of the dorsal forearm plate according to an alternative embodiment.
    Figure 8 is a side perspective view facing the patient's forearm of the dorsal forearm plate according to an alternative embodiment.
    Figure 9 shows details of the pressure element on the pressure unit according to the present invention.
    Figure 10 is a top view of the printing unit of the present invention.
    Figure 11 is a side view of the printing unit according to the present invention.
    Figure 12 is an enlarged cross-sectional side view of a portion of the printing unit of the present invention.
    Figure 13 is a perspective view of a part of the pressure unit according to the present invention showing the pressure element.
    Detailed Description of Preferred Embodiments of the Invention As background information, Figure 1 schematically shows a cross section of the anatomy of the wrist with the ulnar and radial bones, the ulnar and radial arteries, the ulnar and median nerves, and the veins on the upper side of the forearm. In the description below, your references are made to different sides of the forearm, where these terms are also indicated in Figure 1. Figure 2 schematically shows the forearm bones, the ulnar bone and the radial bone, for the left forearm.
    Figures 3 and 4 show a dorsal forearm plate 2 with a three-dimensional concave shape adapted to the shape of the dorsal forearm so that the dorsal forearm can rest on the forearm plate. The dorsal forearm plate has a substantially rectangular extension with opposite long sides and opposite short sides 4, 6 and has a substantially rigid unit body adapted to lie below the upper side of the patient's hand, wrist and forearm. An exemplary width of the plate can be 6-9 cm and the length is in the range of 15-23 cm. Of course, different sizes for the plate may be available, smaller for children and larger for adult and obese patients.
    The plate is further provided with two fastening straps 8, 10, a distal and a proximal fastening strap, adapted to fasten the plate to the dorsal base of a patient. These are preferably visible. In the figure it can be seen that the shape of the side of the plate is adapted to the surface of the forearm during further use and is also adapted to the anatomy of the forearm in that it comprises two elongate depressions 12 running in the longitudinal direction of the plate. These two depressions are suitable for, during use of the plate, so that the ulnar bone and the radial bone, in particular the distal parts of these bones, the so-called styloids of each bone, rest for the patient in the respective depression and that an elongate elevation 14, formed between the recesses 12, are suitable for extending into the softer tissue between the legs to orient and stabilize the forearm when attached to the plate.
    Figure 5 is a perspective view showing the side facing the patient's forearm of the dosal forearm plate according to the invention.
    In order for the patient to comfortably rest and orient the forearm in the dorsal forearm plate, it is raised by the elongated elevation at a cross section of AA, substantially at the midpoint of the plate in the longitudinal direction, at a level in the range of 10-5 0% of the total raise it of the plate at the cross section AA.
    The cross-section A-A is shown, for example, in Figures 3-5. The height of the elevation has been indicated by "h" in figure 6 and can be in the range 5-15 mm and more specifically 6-9 mm, and the total height is indicated by "H" which is in the range 15 -30 mm.
    The dorsal forearm plate can be rigidly attached to the arm of the patient through the fastening straps 8, 10 provided with Velcro straps. The fastening straps can also be provided with holes and the plate is then provided with suitable fastening knobs 20 for this purpose. In the latter case, the straps are preferably made of an at least partially elastic material to ensure a comfortable fit.
    The dorsal forearm plate is substantially corrugated in the longitudinal direction so that it rests only on its long side when lying on a flat surface. Each of the short sides has a substantially straight supporting edge along a larger part of its length and the supporting edges of these short sides are arranged in the same virtual plane. Thereby, the plate allows a stable support when used on a smooth surface, for example a table. When the plate is on a smooth surface, the center of the plate is approximately 1 cm above the surface.
    For example, in order to access the blood vessels on the dorsal side of the hand, according to an alternative embodiment, the dorsal forearm plate is provided with an outlet 22 which extends from the distal short side and is directed in a proximal direction so that an opening, with a substantially rectangular formerly, is arranged in the plate. This outlet is shown in Figure 7. Figure 8 is a perspective view from the side facing the patient's forearm of the dorsal forearm plate according to the alternative embodiment.
    The surface which is not intended to face the forearm is provided with a surface structure 24 such that the friction is increased and that said high friction surface extends at least along the middle third of the plate. This surface structure is shown, for example, in Figure 9.
    The dorsal forearm plate can be made of, for example, pressure-pressed plastic or some other suitable material that stabilizes the forearm. A preferred material is polypropylene. The fastening straps are preferably made of a thermoplastic elastomer. The invention also comprises a radial artery compression system comprising a dorsal lower arm plate 2 as described above and a pressure unit 16 adapted to apply pressure to a radial artery puncture site as shown in, for example, Figures 3 and 4. The pressure unit 16 further shown in Figures 8- 13 and comprises a pressure element 18 and a fastening band. The pressure element 18 has an elongate extent, defining a longitudinal axis of the element, in the direction of an artery to which it is to be applied.
    Furthermore, the pressure element is made of a transparent material, thereby providing the possibility of direct observation of the puncture wound, which enables positioning of the pressure element. Another distinguishing feature of the element is that it is cup-shaped and has an outer convex surface, and is substantially rigid. The pressure unit is adapted to be arranged around a patient's forearm where the dorsal forearm plate is attached and axed, so that the pressure element causes pressure on the puncture wound.
    The radial artery compression system is further characterized in that the pressure element has a substantially U-shaped cross section perpendicular to the longitudinal axis which is clearly visible in the cross-sectional views in Figs. 11 and 12. The shape of the pressure element is shown in Figs. 9-13, where it is shown that the element is provided with a lower flat surface suitable for pressing against the wound of purification.
    According to an exemplary embodiment of the pressure element, it has the size 17x34 mm.
    The compression element is arranged in a substantially rectangular frame and the fastening strap of said unit is fixed on one side of the frame, as can be seen from Figures 9 and 10.
    The pressure element is preferably made of a thermoplastic elastomer and can be pressure-shaped as a unit together with the unit fastening band. In this case, the frame is fixed afterwards for stabilizing purposes.
    The transparent pressure element is preferably provided with indicating ribs, for example shown as a cross as shown in Figure 13, to indicate to the physician where the element is to be positioned relative to the puncture wound. Its ribs can also have a stabilizing use. The device attachment strap for the radial artery compression system is provided with Velcro straps which are used to attach the device to the lower arm of the patient.
    The unit fastening strap can also be provided with holes and the frame is then provided with a suitable fastening knob. In the latter case, the strap is preferably made of an elastic material. The unit fastening strap may also be partly made of Velcro and partly of an elastic material as shown in Figures 10-12.
    When the patient's undercarriage has been firmly fixed in the dorsal forearm plate through the fastening straps, the puncture can be made and then the blood flow from the puncture wound can be stopped by applying the pressure element to the puncture wound. This stops bloodshed directly and effectively.
    The present invention is not limited to the embodiments described above, but various alternatives, modifications and equivalents may be used. Therefore, the above embodiments should not be construed as limiting the scope of the invention, as defined by the appended claims.
    Reference numerals: 2 Dorsal lower arm plate 4 Distal short side 6 Proximal short side 8 Fastening straps 10 Fastening straps 12 Countersink 14 Elevation 16 Pressure unit 18 Pressure element 20 Knob 22 Socket
    权利要求:
    Claims (13)
    [1]
    Dorsal forearm plate (2) with a three-dimensional concave shape adapted to the shape of the dorsal forearm so that the dorsal forearm can rest on the forearm plate, the dorsal forearm plate has a substantially rectangular extent with opposite long sides and opposite short sides (4, 6) and has a substantially rigid unit body adapted to lie below the top of the patient's hand, wrist and forearm, the plate being provided with two fastening straps (8, 10), a distal and a proximal fastening strap, adapted to fasten the plate to the dorsal forearm of a patient, k characterized in that the shape of the side of the plate adapted to face the forearm during use is adapted to the anatomy of the forearm by comprising two elongate depressions (12) extending in the longitudinal direction of the plate such that, when using the plate, the ulnar bone and the radial bone of the patient resting in the respective recess and that an elongated forehead extension (14), formed between the recesses, is adapted to extend into the soft tissue between the legs to orient and stabilize the forearm when attached to the plate.
    [2]
    The dorsal subarachnoid plate according to claim 1, wherein the height of the longitudinal elevation at a cross section AA substantially at a midpoint of the plate at the longitudinal direction is at a level which is in the range of 10 -5% of the total height of the plate at said cross section. cross section AA.
    [3]
    The dorsal lower back plate of claim 1 or 2, wherein said fastening straps are provided with Velcro straps used to secure the plate to the patient's arm.
    [4]
    A dorsal forearm plate according to claim 1 or 2, wherein said fastening straps are provided with holes and the plate is provided with corresponding fastening knobs (20). 10 15 20 25 30 10
    [5]
    A dorsal forearm plate according to any one of the preceding claims, wherein the plate is substantially arcuate in the longitudinal direction so that it rests only on its short sides when arranged on a flat surface, and that each of said short sides has a substantially straight supporting edge along a greater part of its length and that said supporting edges of said short sides are arranged in the same virtual plane.
    [6]
    Dorsal forearm plate according to any one of the preceding claims, wherein the plate is provided with a socket (22) extending from the distal side extending in the proximal direction so that an opening, with a substantially rectangular shape is arranged in the plate, for example for to access blood vessels on the dorsal side of the hand.
    [7]
    Dorsal forearm plate according to any one of the preceding claims, wherein the surface which is not intended to face the lower one is provided with a surface structure (24) such that the friction is high and that said high friction surface extends at least along the middle third of the plate.
    [8]
    Dorsal lower back plate according to any one of the preceding claims, wherein the plate is made of die-cast plastic.
    [9]
    Radial artery compression system, characterized in that it comprises an endorsal forearm plate (2) according to any one of claims 1-8, and a pressure unit (16) adapted to apply pressure to a radial artery puncture site, the pressure unit comprising a pressure element (18) and a unit fastening band, the pressure element has an elongate extent, denying a longitudinal axis of the element, in the direction of an artery to which it is to be applied, and that the pressure element is made of a transparent material, thereby providing the possibility of direct visual observation of the puncture wound, enabling positioning of the pressure element, and that said element is cup-shaped and has an outer convex surface, and is substantially set, the pressure element being adapted to be arranged around a patient's forearm where said dorsal forearm plate is fixed and eradxerted, so that the pressure element provides pressure against the puncture wound. 10 15 20 l 1
    [10]
    The radial artery compression system of claim 9, wherein the pressure member has a substantially U-shaped cross section perpendicular to said elongate axis.
    [11]
    A radial artery compression system according to claim 9 or 10, the pressure element being arranged in a substantially rectangular frame and said said unit of fastening straps being fixed to one side of the frame.
    [12]
    A radial artery compression system according to any one of claims 9-11, wherein the unit attachment strap is provided with Velcro straps used to attach the unit to the patient's arm.
    [13]
    The radial artery compression system according to claim 1 1, wherein said unit fastening strap is provided with holes and the frame is provided with a corresponding fastening knob.
    类似技术:
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    同族专利:
    公开号 | 公开日
    AU2010333067B8|2014-08-21|
    EP2512353B1|2015-10-07|
    JP2013514098A|2013-04-25|
    CA2760183A1|2011-06-23|
    SE535035C2|2012-03-20|
    EP2512353A1|2012-10-24|
    CR20110600A|2012-02-16|
    AU2010333067A1|2011-12-08|
    AU2010333067B2|2014-07-10|
    AU2010333067A8|2014-08-21|
    US20120101516A1|2012-04-26|
    WO2011073076A1|2011-06-23|
    US8945173B2|2015-02-03|
    引用文献:
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    法律状态:
    2020-07-28| NUG| Patent has lapsed|
    优先权:
    申请号 | 申请日 | 专利标题
    SE0950988A|SE535035C2|2009-12-18|2009-12-18|Dorsal forearm plate|SE0950988A| SE535035C2|2009-12-18|2009-12-18|Dorsal forearm plate|
    US13/379,541| US8945173B2|2009-12-18|2010-12-09|Dorsal forearm plate|
    PCT/EP2010/069244| WO2011073076A1|2009-12-18|2010-12-09|Dorsal forearm plate|
    CA 2760183| CA2760183A1|2009-12-18|2010-12-09|Dorsal forearm plate|
    JP2012543613A| JP2013514098A|2009-12-18|2010-12-09|Dorsal forearm plate|
    AU2010333067A| AU2010333067B8|2009-12-18|2010-12-09|Dorsal forearm plate|
    EP10787142.8A| EP2512353B1|2009-12-18|2010-12-09|Dorsal forearm plate|
    CR20110600A| CR20110600A|2009-12-18|2011-11-15|DORSAL PLATE FOR ANTEBRAZO|
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