CN107088076B - Capstan Nail Assembly for Ligament Injury Repair - Google Patents

Capstan Nail Assembly for Ligament Injury Repair Download PDF

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Publication number
CN107088076B
CN107088076B CN201710283182.1A CN201710283182A CN107088076B CN 107088076 B CN107088076 B CN 107088076B CN 201710283182 A CN201710283182 A CN 201710283182A CN 107088076 B CN107088076 B CN 107088076B
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capstan
capstan winch
diameter
torque spanner
screw
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CN107088076A (en
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孙梁
潘玙
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Third Hospital of Hebei Medical University
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Third Hospital of Hebei Medical University
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/04—Surgical instruments, devices or methods for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A61B17/92—Impactors or extractors, e.g. for removing intramedullary devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L31/00—Materials for other surgical articles, e.g. stents, stent-grafts, shunts, surgical drapes, guide wires, materials for adhesion prevention, occluding devices, surgical gloves, tissue fixation devices
    • A61L31/02—Inorganic materials
    • A61L31/022—Metals or alloys
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/04—Surgical instruments, devices or methods for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
    • A61B2017/0446—Means for attaching and blocking the suture in the suture anchor
    • A61B2017/0448—Additional elements on or within the anchor
    • A61B2017/045—Additional elements on or within the anchor snug fit within the anchor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/04—Surgical instruments, devices or methods for suturing wounds; Holders or packages for needles or suture materials
    • A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
    • A61B2017/0446—Means for attaching and blocking the suture in the suture anchor
    • A61B2017/0448—Additional elements on or within the anchor
    • A61B2017/0451—Cams or wedges holding the suture by friction
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws or setting implements
    • A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A61B17/92—Impactors or extractors, e.g. for removing intramedullary devices
    • A61B2017/922—Devices for impaction, impact element

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  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Rheumatology (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Vascular Medicine (AREA)
  • Epidemiology (AREA)
  • Surgical Instruments (AREA)

Abstract

A kind of ligament injury reparation capstan winch screw assembly, including a capstan winch, a bone screws and sleeve-shaped torque spanner；Wherein, the capstan winch is the cylinder of middle part arc-shaped recess, and anchor line (string) hole and torque spanner hole is arranged in upper top；The torque spanner hole is evenly distributed in upper top；The capstan winch is hollow, and capstan winch hollow space bore is less than the screw cap portion of bone screws, and greater than the bolt portion of bone screws, hollow portion is socketed over bone screw；The diameter of next top is greater than murices nut portion diameter on the capstan winch；Two prominent structures are arranged in sleeve-shaped torque spanner bottom, and prominent structure is inserted into the torque spanner hole on capstan winch top, and the cylinder internal diameter of the sleeve-shaped torque spanner is greater than screw cap portion, less than the upper top diameter of capstan winch.The present invention achievees the purpose that adjust damage ligament by rotating capstan winch, structurally reasonable, adjusts easy to use.

Description

Ligament injury reparation capstan winch screw assembly
Technical field
The invention belongs to orthopedic medical devices, especially for a kind of medical instrument when repairing after ligament injury, tool Body is related to a kind of ligament injury reparation capstan winch screw assembly.
Background technique
Tough band connection bone and bone be apparent fibr tissue, or invest the surface of bone or merge with the outer layer of joint capsule, with Reinforce the stability in joint, in order to avoid damage.But in strenuous exercise, such as when progress PE in the school contest, dancing, acrobatics, no doubt It is easy to appear ligament injury, certainly in daily life, there are also traffic accident, high-altitudes to fall etc. in accidents, can also cause similar damage Wound.When the non-physiologic movement for some orientation occur, limiting knee joint to the ligament of the azimuth motion also will receive loss.Such as Knee joint in flexion outreach again by violence from outside when, mainly impaired is inside capsule ligament and inside Ligamena collateralia, serious fashion can be related to anterior cruciate ligament and medial meniscus；Enuflex position shin bone suddenly by violence posteriorly or anteriorly When the changing of the relative positions, then it can cause the fracture of posterior cruciate ligament of knee or anterior cruciate ligament and medial collateral ligament.
It usually requires to carry out reset adjusting to ligament in ligament injury repair process, so that it is restored to correct position, and protect It holds and is restored, the instrument multi-pass designed at present is pulled to the mode on certain position point directly excessively to realize the extensive of ligament position It is multiple, often there is the loosening of suture when fixed in operating process, the inaccuracy for causing ligament to reset.Therefore need one kind can With it is effective control drawing in place after suture length instrument, control suture it is tight under the premise of suture is consolidated Surely have the function that repair ligament.
The problems such as present invention is easily loosened for suture in the position fixation procedure of current ligament reparation, the present invention provides one Kind ligament injury reparation capstan winch screw assembly.
Summary of the invention
The problems such as suture easily loosens in position fixation procedure in order to overcome current ligament reparation, the present invention provides one kind Ligament injury reparation capstan winch screw assembly.
A kind of ligament injury reparation capstan winch screw assembly, including a capstan winch, a bone screws and sleeve-shaped torsion are pulled Hand；It is characterized in that, the capstan winch is the cylinder of side depression in centre, anchor line (string) hole and torque spanner is arranged in capstan winch upper top Hole；The torque spanner hole is evenly distributed in upper top, more of setting 2-；The capstan winch is hollow, and capstan winch hollow space bore is small In the screw cap portion of bone screws, greater than the bolt portion diameter of bone screws, capstan winch hollow space is socketed on the outside of bone screws；Institute The diameter for stating next top on capstan winch is greater than murices nut portion diameter；The cylinder internal diameter of the sleeve-shaped torque spanner is greater than screw cap Section diameter, less than the upper top diameter of capstan winch, 2- more prominent structures, prominent knot is arranged in sleeve-shaped torque spanner bottom Structure is inserted into the torque spanner hole on capstan winch top.Above structure rotates capstan winch by sleeve-shaped torque spanner and reaches adjusting suture The purpose of length, then pressed after reaching designated length by sleeve-shaped torque spanner, and moving down bone screws makes bone screws lock strand Disk, final realize reset the purpose that drawing is kept to damage ligament.
Further, capstan winch hollow space aperture is slightly larger than bone screws bolt portion maximum gauge.
Further, the internal diameter of the sleeve-shaped torque spanner is slightly larger than screw cap section diameter.Above two size setting It can make to suit well between capstan winch, bone screws and sleeve-shaped torque spanner, it is easy to use.
Further, the top setting of the sleeve-shaped torque spanner is symmetrical rotates horizontally bar.Rotate horizontally the setting of bar It can be convenient the control to sleeve-shaped torque spanner, reduce size of exerting oneself.
It further, is arc-shaped recess in the middle part of the capstan winch side.
Further, described the setting of anchor line (string) hole 1-2；The setting in two anchor line (string) holes can be convenient the bundle system to suture.
Further, described the setting of torque spanner hole 2-4, corresponding that in sleeve-shaped torque spanner bottom, 2-4 correspondence is set Raised structures.The setting in 2-4 torque spanner hole can be convenient being inserted in for torque spanner sleeve, have convenient wrench to capstan winch Equal control prevents capstan winch sideslip.
Further, obtuse protrusion is arranged in the capstan winch bottom.The setting of obtuse protrusion can effectively increase rubbing for bearing Power is wiped, bone face and the relative motion of capstan winch bottom fashion are prevented.
Further, setting hexagonal in murices head of a nail top is recessed.The setting of hexagonal recess facilitates control.
Further, the component further includes one for fastening bone screws die nut.The mating setting of die nut is convenient Fastening to screw cap.
Further, the pressuring line structure for controlling suture direction is arranged in the capstan winch side.The setting of pressuring line structure can To control the angle of suture, damage of the suture to surrounding tissue is prevented.
Further, the pressuring line structure is vertically arranged on capstan winch the line pressing rod between next top, further, the crimping Rotating ring is set on the outside of bar.The above-mentioned one kind that is set as is preferably provided with, and rotating ring can effectively reduce between suture and line pressing rod Frictional force reduces the resistance in rotation traction process, is also prevented from the damage in traction process to suture.
Further, the material of the bone screws and capstan winch is medical metal material.Wherein preferred material is medical metallic titanium Material.
In use, capstan winch is socketed in bone screws first, bone screws are tentatively screwed into sclerotin, after by desmorrhaphy line Then sleeve-shaped torque spanner protrusion is inserted into corresponding torque spanner hole by system in anchor line (string) hole, rotate capstan winch, tightening suture Line makes ligament reparation to accurate location, presses capstan winch by sleeve-shaped torque spanner afterwards, after die nut is inserted by sleeve Enter in the hexagonal recess of bone screws, fixed locking bone screws, and locks the capstan winch under bone screws simultaneously, it can be with by aforesaid operations Effectively make to damage ligament.
Detailed description of the invention
Fig. 1 is overall structure of the present invention；
Fig. 2 is overall structure cross-sectional view of the present invention；
Fig. 3 is winch configurations schematic diagram of the present invention；
Fig. 4 is capstan winch perspective structure schematic diagram of the present invention；
Fig. 5 is bone screws structural schematic diagram of the present invention；
Fig. 6 is sleeve-shaped torque spanner structure schematic diagram of the present invention；
Fig. 7 is hexagonal spanner structure schematic diagram of the present invention；
In figure, 1, capstan winch；11, anchor line (string) hole；12, torque spanner hole；13, obtuse protrusion；14, line pressing rod；15, rotating ring； 2, sleeve-shaped torque spanner；21, prominent structure；22, bar is rotated horizontally；3, bone screws；31, hexagonal is recessed；32, die nut.
Specific embodiment
The embodiment of the present invention only provides structure description creative in this system, other structures and prior art phase Together, specific structure and description are not provided.
A kind of ligament injury reparation capstan winch screw assembly of embodiment 1
A kind of ligament injury reparation capstan winch screw assembly, including a capstan winch 1, a bone screws 3 and sleeve-shaped torsion are pulled Hand 2；Wherein, capstan winch 1 is the cylinder of arc-shaped recess in the middle part of side, and anchor line (string) hole 11 and torque spanner hole is arranged in capstan winch upper top 12；Torque spanner hole 12 is evenly distributed in upper top, is arranged 2；Capstan winch 1 is hollow, and 1 hollow space bore of capstan winch is less than bone screws 3 screw cap portion, slightly larger than the bolt portion maximum gauge of bone screws 3, capstan winch hollow space is socketed in 3 outside of bone screws； The diameter of next top is greater than 3 cap portion diameter of bone screws on capstan winch 1；The cylinder internal diameter of sleeve-shaped torque spanner 2 is slightly larger than screw cap Section diameter, less than the upper top diameter of capstan winch 1；The top setting of sleeve-shaped torque spanner is symmetrical to rotate horizontally bar 22；Set 2 prominent structures 21 are arranged in 2 bottom of tubular torque spanner, and prominent structure 21 is inserted into the torque spanner hole 12 on 1 top of capstan winch.On It states structure to achieve the purpose that adjust suture length by the rotation capstan winch 1 of sleeve-shaped torque spanner 2, and then realizes to damage ligament Reset the purpose that drawing is kept.Obtuse protrusion 13 is arranged in 1 bottom of capstan winch.The setting of obtuse protrusion 13 can be effectively increased and be fixed Frictional force, prevent bone face and 1 bottom fashion relative motion of capstan winch.Hexagonal recess 31 is arranged in 3 cap top of bone screws.Hexagonal recess 31 setting facilitates control.Component further includes a die nut 32.The mating setting of die nut 32 is convenient to the tight of screw cap Gu.The material of bone screws 3 and capstan winch 1 is medical metal material.Wherein preferred material is medical metallic titanium material.
A kind of ligament injury reparation capstan winch screw assembly of embodiment 2
A kind of ligament injury reparation capstan winch screw assembly, including a capstan winch 1, a bone screws 3 and sleeve-shaped torsion are pulled Hand 2；Wherein, capstan winch 1 is the cylinder of arc-shaped recess in the middle part of side, and anchor line (string) hole 11 and torque spanner hole is arranged in capstan winch upper top 12；Torque spanner hole 12 is evenly distributed in upper top, is arranged 3；Capstan winch 1 is hollow, and 1 hollow space bore of capstan winch is less than bone screws 3 screw cap portion, slightly larger than the bolt portion maximum gauge of bone screws 3, capstan winch hollow space is socketed in 3 outside of bone screws； The diameter of next top is greater than 3 cap portion diameter of bone screws on capstan winch 1；The cylinder internal diameter of sleeve-shaped torque spanner 2 is slightly larger than screw cap Section diameter, less than the upper top diameter of capstan winch 1；The top setting of sleeve-shaped torque spanner is symmetrical to rotate horizontally bar 22；Set 3 prominent structures 21 are arranged in 2 bottom of tubular torque spanner, and prominent structure 21 is inserted into the torque spanner hole 12 on 1 top of capstan winch.On It states structure to achieve the purpose that adjust suture length by the rotation capstan winch 1 of sleeve-shaped torque spanner 2, and then realizes to damage ligament Reset the purpose that drawing is kept.Hexagonal recess 31 is arranged in 3 cap top of bone screws.The setting of hexagonal recess 31 facilitates control.Component It further include a die nut 32.The convenient fastening to screw cap of the mating setting of die nut 32.1 side of capstan winch is arranged for controlling The pressuring line structure in suture direction processed.Pressuring line structure is vertically arranged the line pressing rod 14 on capstan winch 1 between next top, line pressing rod 14 Rotating ring 15 is arranged in outside.The material of bone screws 3 and capstan winch 1 is medical metal material.Wherein preferred material is medical metallic titanium Material.
A kind of ligament injury reparation capstan winch screw assembly of embodiment 3
A kind of ligament injury reparation capstan winch screw assembly, including a capstan winch 1, a bone screws 3 and sleeve-shaped torsion are pulled Hand 2；Wherein, capstan winch 1 is the cylinder of arc-shaped recess in the middle part of side, and anchor line (string) hole 11 and torque spanner hole is arranged in capstan winch upper top 12；Torque spanner hole 12 is evenly distributed in upper top, is arranged 3；Capstan winch 1 is hollow, and 1 hollow space bore of capstan winch is less than bone screws 3 screw cap portion, slightly larger than the bolt portion maximum gauge of bone screws 3, capstan winch hollow space is socketed in 3 outside of bone screws； The diameter of next top is greater than 3 cap portion diameter of bone screws on capstan winch 1；The cylinder internal diameter of sleeve-shaped torque spanner 2 is slightly larger than screw cap Section diameter, less than the upper top diameter of capstan winch 1；The top setting of sleeve-shaped torque spanner is symmetrical to rotate horizontally bar 22；Set 3 prominent structures 21 are arranged in 2 bottom of tubular torque spanner, and prominent structure 21 is inserted into the torque spanner hole 12 on 1 top of capstan winch.On It states structure to achieve the purpose that adjust suture length by the rotation capstan winch 1 of sleeve-shaped torque spanner 2, and then realizes to damage ligament Reset the purpose that drawing is kept.Obtuse protrusion 13 is arranged in 1 bottom of capstan winch.The setting of obtuse protrusion 13 can be effectively increased and be fixed Frictional force, prevent bone face and 1 bottom fashion relative motion of capstan winch.Hexagonal recess 31 is arranged in 3 cap top of bone screws.Hexagonal recess 31 setting facilitates control.Component further includes a die nut 32.The mating setting of die nut 32 is convenient to the tight of screw cap Gu.The pressuring line structure for controlling suture direction is arranged in 1 side of capstan winch.Pressuring line structure is vertically arranged to be pushed up in about 1 capstan winch Rotating ring 15 is arranged on the outside of line pressing rod 14 for line pressing rod 14 between portion.The material of bone screws 3 and capstan winch 1 is medical metal material.Its Middle preferred material is medical metallic titanium material.
The explanation of above-described embodiment is only intended to understand the present invention.It should be pointed out that for those of ordinary skill in the art For, without departing from the principle of the present invention, several improvement can also be carried out to the present invention, these improvement will also fall into this In invention scope of protection of the claims.

Claims (10)

1.一种韧带损伤修复用绞盘钉组件，包括一个绞盘(1)，一个骨螺钉(3)，及套筒状扭力扳手(2)；其特征在于，所述绞盘(1)为侧面中部凹陷的圆柱形，绞盘上顶部设置系线孔(11)及扭力扳手孔(12)；所述扭力扳手孔(12)在上顶部均匀排列，设置2-多个；所述绞盘(1)中空，绞盘(1)中空部分口径小于骨螺钉(3)的螺钉帽部分，大于骨螺钉(3)的螺钉部分，绞盘中空部分套接在骨螺钉(3)外侧；所述绞盘(1)上下顶部的直径大于骨螺钉(3)帽部分直径；所述套筒状扭力扳手(2)的筒内径大于螺钉帽部分，小于绞盘(1)的上顶部直径，所述套筒状扭力扳手(2)底部设置2-多个突出结构(21)，突出结构(21)插入绞盘(1)上部的扭力扳手孔(12)内，骨螺钉帽上部设置六角凹陷(31)；组件还包括一用于紧固骨螺钉的六角扳手(32)。1. A capstan nail assembly for repairing ligament damage, comprising a capstan (1), a bone screw (3), and a socket-shaped torque wrench (2); it is characterized in that the capstan (1) is a depression in the middle of the side surface The top of the winch is provided with a tie-line hole (11) and a torque wrench hole (12); the torque wrench holes (12) are evenly arranged on the top of the winch, and there are 2 or more; the winch (1) is hollow, The diameter of the hollow portion of the capstan (1) is smaller than the screw cap portion of the bone screw (3), and larger than the screw portion of the bone screw (3), and the hollow portion of the capstan is sleeved on the outside of the bone screw (3); The diameter is larger than the diameter of the cap part of the bone screw (3); the inner diameter of the barrel of the sleeve-shaped torque wrench (2) is larger than that of the screw cap part, and smaller than the diameter of the upper top of the capstan (1), and the bottom of the sleeve-shaped torque wrench (2) 2-a plurality of protruding structures (21) are provided, the protruding structures (21) are inserted into the torque wrench holes (12) on the upper part of the capstan (1), and the upper part of the bone screw cap is provided with a hexagonal recess (31); Hex Wrench (32) for Bone Screws. 2.根据权利要求1所述的韧带损伤修复用绞盘钉组件，其特征在于，所述绞盘(1)中空部分孔径略大于骨螺钉(3)螺钉部分最大直径。2 . The capstan screw assembly for repairing ligament injury according to claim 1 , wherein the hole diameter of the hollow portion of the capstan ( 1 ) is slightly larger than the maximum diameter of the screw portion of the bone screw ( 3 ). 3.根据权利要求1所述的韧带损伤修复用绞盘钉组件，其特征在于，所述套筒状扭力扳手(2)的内径略大于螺钉帽部分直径。3 . The capstan nail assembly for repairing ligament injury according to claim 1 , wherein the inner diameter of the sleeve-shaped torque wrench ( 2 ) is slightly larger than the diameter of the screw cap part. 4 . 4.根据权利要求1所述的韧带损伤修复用绞盘钉组件，其特征在于，所述套筒状扭力扳手(2)的顶部设置对称的水平旋转杆(22)。4. The capstan nail assembly for repairing ligament injury according to claim 1, wherein a symmetrical horizontal rotating rod (22) is provided on the top of the socket-shaped torque wrench (2). 5.根据权利要求1所述的韧带损伤修复用绞盘钉组件，其特征在于，所述系线孔(11)设置1-2个。5 . The capstan nail assembly for repairing ligament injury according to claim 1 , characterized in that, 1-2 tether holes ( 11 ) are provided. 6 . 6.根据权利要求1所述的韧带损伤修复用绞盘钉组件，其特征在于，所述扭力扳手孔(12)设置2-4个，对应在套筒状扭力扳手(2)底部设置2-4个对应的突起结构。6. The capstan nail assembly for repairing ligament damage according to claim 1, wherein 2-4 holes are provided for the torque wrench (12), corresponding to 2-4 holes at the bottom of the socket-shaped torque wrench (2). corresponding protruding structures. 7.根据权利要求1所述的韧带损伤修复用绞盘钉组件，其特征在于，所述绞盘(1)底部设置钝形突起(13)。7 . The capstan nail assembly for repairing ligament injury according to claim 1 , wherein a blunt protrusion ( 13 ) is provided at the bottom of the capstan ( 1 ). 8 . 8.根据权利要求1所述的韧带损伤修复用绞盘钉组件，其特征在于，所述绞盘(1)侧面设置用于控制缝合线方向的压线结构。8. The capstan nail assembly for repairing ligament injury according to claim 1, characterized in that, a crimping structure for controlling the direction of the suture is provided on the side of the capstan (1). 9.根据权利要求8所述的韧带损伤修复用绞盘钉组件，其特征在于，所述压线结构为竖直设置在绞盘(1)上下顶部间的压线杆(14)，所述压线杆(14)外侧设置旋转环(15)。9 . The capstan nail assembly for repairing ligament damage according to claim 8 , wherein the wire pressing structure is a wire pressing rod ( 14 ) vertically arranged between the upper and lower tops of the capstan ( 1 ). A rotating ring (15) is provided on the outside of the rod (14). 10.根据权利要求1-9任意一项所述的韧带损伤修复用绞盘钉组件，其特征在于，所述骨螺钉(3)及绞盘(1)的材料为医用金属材料。10. The capstan screw assembly for repairing ligament injury according to any one of claims 1-9, wherein the bone screw (3) and the capstan (1) are made of medical metal materials.
CN201710283182.1A 2017-04-26 2017-04-26 Capstan Nail Assembly for Ligament Injury Repair Active CN107088076B (en)

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