CN104546112B - The fixing steel wire guide device of fracture of shaft of femur bone piece - Google Patents

The fixing steel wire guide device of fracture of shaft of femur bone piece Download PDF

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Publication number
CN104546112B
CN104546112B CN201510057796.9A CN201510057796A CN104546112B CN 104546112 B CN104546112 B CN 104546112B CN 201510057796 A CN201510057796 A CN 201510057796A CN 104546112 B CN104546112 B CN 104546112B
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CN
China
Prior art keywords
joint
steel wire
refer
femur
finger
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Expired - Fee Related
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CN201510057796.9A
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Chinese (zh)
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CN104546112A (en
Inventor
王甫
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Shandong Provincial Hospital
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Shandong Provincial Hospital
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Priority to CN201510057796.9A priority Critical patent/CN104546112B/en
Publication of CN104546112A publication Critical patent/CN104546112A/en
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Publication of CN104546112B publication Critical patent/CN104546112B/en
Expired - Fee Related legal-status Critical Current
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/82Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin for bone cerclage
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/88Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A61B17/8861Apparatus for manipulating flexible wires or straps
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/88Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A61B17/8875Screwdrivers, spanners or wrenches
    • A61B17/8894Screwdrivers, spanners or wrenches holding the implant into or through which the screw is to be inserted
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/88Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
    • A61B17/90Guides therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B2017/564Methods for bone or joint treatment

Abstract

The fixing steel wire guide device of fracture of shaft of femur bone piece, fixing in relating to femur syntripsis Wicresoft, do not cut the broken ends of fractured bone, use steel wire or suture to tie up fixing by femur and floating bone block.Referring to joint including front and refer to pitch chain, referring to that pitch chain includes that hinged rear finger saves, finger joint is provided with torsion spring with front finger between joint afterwards, and the effect of torsion spring is to make front finger joint all the time to the lopsidedness at place, femur axle center.After femur syntripsis Guan Bi Intramedullary nailing, when being promoted forward by handle under perspective, after making, refer to that joint moves section by section, is formed femur and the encirclement of floating bone block.Pinch steel wire front end with nucleus pulposus clamp, then pull inside guide and steel wire can be extracted out from guide;Also suture can be derived with steel wire.Steel wire or suture are tied a knot realize to floating bone block and the closed reduction of femur, tie up fixing.This device is easy to operate, fix with open reduction compared with can avoid damage to the blood fortune of floating bone block, hence it is evident that reduce otch, reduce operation technique and post-surgical healing time.

Description

The fixing steel wire guide device of fracture of shaft of femur bone piece
Technical field
The present invention relates to femur syntripsis Wicresoft's Internal fixation technology field, specifically a kind of use steel Silk or suture by femur and floating bone block closed reduction, tie up fixing steel wire guide device.
Background technology
Due to the fast development of the industry such as traffic, building, the femoral shaft syntripsis sickness rate that high energy wound causes is non- Chang Gao, closed reduction Interlocking intramedullary fixation is the goldstandard of such injury in treating.Syntripsis often goes out The biggest floating bone block, and the reset of floating bone block and fixing remain the most challenging problem. Big floating bone block away from the most postoperative image of femoral shaft unsightly, and can cause healing time to extend; Open reduction is fixing not only can destroy the fortune interference healing of bone piece blood, and can increase amount of bleeding, extend operation Time also increases patient's misery.The one that Chinese patent 2014205218874 is announced is applicable to comminuted fracture Tie up guide, including guiding tube and the locking device being arranged on guiding tube far-end, guiding tube is energy The hollow-core construction of free bend, the far-end of guiding tube offers steel wire inlet, and the head end of guiding tube offers Steel wire exports.By the way, this utility model can carry out radian tune for different size of bone After joint moulding, be rapidly achieved and guide the purpose tied up, can greatly reduce simultaneously fracture end periosteum destroy and The risk of blood vesssls and nerves injuries, had both ensured the safety of operation process, had greatly reduced again operating time.Mesh Before, lack and a kind of use steel wire or suture by femur and floating bone block closed reduction, tie up fixing operation Equipment.
Summary of the invention
It is an object of the invention to provide a kind of fixing wire introducer of fracture of shaft of femur bone piece, apply When fracture of shaft of femur floating bone block is fixed, solve to use steel wire or suture to close multiple by femur and floating bone block Position, tie up fixing problem.
The present invention solves its technical problem and is adopted the technical scheme that: the fixing steel of fracture of shaft of femur bone piece Silk guide, is characterized in that, including before refer to joint, refer to joint, handle and drive assembly afterwards, described before refer to Joint is two ends point, middle thick hollow structures, described before refer to that the free end of joint does round-corner transition, described before Refer to that the installation end and of joint refers to that pitch chain is articulated and connected;Described finger pitch chain includes some be sequentially arranged and each other The rear finger joint being articulated and connected, the described joint of finger afterwards is two ends point, middle thick hollow structure, finger before described Joint and afterwards refer to joint between jointed shaft be provided with torsion spring, the two ends of described torsion spring be separately fixed at before refer to joint with Rear refer to joint internal chamber wall on, described under the effect of described torsion spring before refer to joint and afterwards finger save between there is a folder Angle;
Refer to be respectively equipped with a steel wire leadout hole, often on joint and each described sidewall referring to joint afterwards before described Being provided with two sealing strips being oppositely arranged in steel wire leadout hole described in, the installation end of sealing strip described in two is fixed On the inwall of steel wire leadout hole, the free end contact of sealing strip described in two coordinates;Before described refer to joint with It is respectively equipped with a position-limiting tube on the rear internal chamber wall referring to joint, each described position-limiting tube is provided with and derives with steel wire The bar v notch v that hole is corresponding, described bar v notch v and steel wire leadout hole are respectively positioned on front finger and save and rear knucklejoint The homonymy of point;
Before described, refer to that joint and the opposite side of rear knucklejoint point are provided with a tooth bar, refer to described before joint and after Refer to the inner chamber of joint is respectively equipped with engage the chute coordinated with tooth bar;End at described finger pitch chain is provided with one The handle of hollow, described tooth bar is slidably connected with the inner chamber of handle, and is provided with driving tooth on described handle The drive assembly of bar linear reciprocating motion.
Further, described drive assembly include roller, driven gear, drive bevel gear, from mantle tooth Wheel, worm screw, worm gear and travelling gear, described roller is rotatably installed in the top of handle, described driven tooth Wheel engages cooperation with roller, the setting coaxial with driven gear of described drive bevel gear and with described from mantle tooth Wheel engagement coordinates, and described driven wheel of differential is fixed on a worm shaft vertically placed, described worm screw and snail Wheel engagement coordinates, and the setting coaxial with worm gear of described travelling gear also engages cooperation with tooth bar.
Further, referring to that the free end of joint is provided with an inclined-plane before described, the low side on described inclined-plane is positioned at tooth The side at bar place.
Further, the described profile referring to joint afterwards is circular, obtains by cutting the two ends of a cylindrical part Rear finger is saved so that refer to that the two ends of joint are respectively provided with a pair tangent plane afterwards.
Further, each described medial wall referring to joint the first end afterwards is provided with a pair first breach, institute State and after the setting of the first breach makes, refer to that the first end of joint becomes two the first journal stirrups;Each described after refer to joint The lateral wall of the second end is provided with a pair second breach, and the setting of described second breach refers to the of joint after making Two ends form two the second journal stirrups, and the second journal stirrup described in two is positioned at the inner side of two first journal stirrups.
Further, described sealing strip is the rubber parts of bar shaped.
Further, being provided with a holder on the sidewall of described handle, described holder is annular Rubber parts, one end of steel wire is enclosed within the inner chamber of holder.
The invention has the beneficial effects as follows: the steel wire guide device that the present invention provides, front finger joint upper end fillet mistake The setting crossed, refers to resistance when joint advances, alleviates soft tissue injury before can reducing.The setting of torsion spring, Referring to before making save all the time to the lopsidedness at place, femur axle center, some rear knucklejoints connect, and form one The structure of individual train.When holding handle and promoting forward, front finger joint drives some finger afterwards to save near femur A side shifting, formed to femur and the encirclement of floating bone block.Fixation with steel wire, will not in guide Deviate from voluntarily.After femoral shaft syntripsis Guan Bi Interlocking intramedullary fixation, under C arm is had an X-rayed, guiding is filled Put and walk around femoral shaft and floating bone block, pinch the front end of steel wire, then drawing to case of bending with nucleus pulposus clamp The inner side leading device pulls and can be extracted out from guide by steel wire, it is also possible to suture derived by steel wire.Will Steel wire or suture knotting realize to floating bone block and the closed reduction of femur, tie up fixing.This guide Convenient and simple for operation, fixing with open reduction compared with, the blood fortune of floating bone block can be avoided damage to, relatively Just can perform the operation under little otch, reduce operating time and post-surgical healing time, alleviate the pain of patient Bitter.
Accompanying drawing explanation
Fig. 1 is the front schematic view of the present invention;
Fig. 2 is cross-sectional schematic of the present invention;
Fig. 3 is that the A in Fig. 2 is to partial view;
Fig. 4 is that the B in Fig. 3 is to partial view;
Fig. 5 is partial enlarged drawing at the C in Fig. 2;
Fig. 6 refers to the front schematic view of joint after being;
Fig. 7 is the left view of Fig. 6;
Fig. 8 is the right view of Fig. 7;
Fig. 9 is that steel wire is from one of rear schematic diagram referring to joint abjection;
Figure 10 is that the D of Fig. 2 is to partial view;
Figure 11 is the driving schematic diagram of drive assembly;
Figure 12 is the graphics of drive assembly;
Figure 13 is one of drive assembly action schematic diagram;
Figure 14 is the two of drive assembly action schematic diagram;
Figure 15 is that steel wire is from the two of the rear schematic diagram referring to joint abjection;
Figure 16 is that tooth bar refers to the schematic diagram after extracting out in joint in the past;
Figure 17 is the present invention one of state when using;
Figure 18 is that the present invention is when using the two of state;
Figure 19 is that the present invention is when using the three of state;
Figure 20 is that the present invention is when using the four of state;
Figure 21 refers to the schematic diagram of joint before being;
Figure 22 is the left view of Figure 21;
In figure: referring to joint, 11 inclined-planes, 12 round-corner transitions before 1,13 is hinged, refer to after 2 save, 21 sections, 22 first journal stirrups, 23 first breach, 24 second journal stirrups, 25 second breach, 26 steel wire leadout holes, 27 Position-limiting tube, 28 chutes, 3 handles, 31 holders, 311 through holes, 4 sealing strips, 5 drive assembly, 51 Roller, 52 driven gears, 53 drive bevel gear, 54 driven wheels of differential, 55 worm screws, 56 worm gears, 57 Travelling gear, 58 tooth bars, 6 steel wires or suture, 7 torsion springs, 8 femurs, 81 floating bone blocks.
Detailed description of the invention
As shown in Fig. 1 to Figure 21, the present invention refers to joint 1, afterwards finger joint 2, handle 3, drive assembly before including 5 and torsion spring 7, describe the present invention below in conjunction with the accompanying drawings.
As shown in Figure 21, Figure 22, front finger joint 1 is middle thick fusiform metalwork, the centre of front finger joint Part is cylindrical shape, is provided with an inclined-plane 11 on the front top referring to joint, and the setting on inclined-plane refers to the upper of joint before making Portion becomes a taper.Inclined-plane does round-corner transition 12 with the front intersection referring to joint.The front internal chamber wall referring to joint sets Having chute 28, chute is used for the tooth bar that is slidably installed.
As shown in Fig. 3, Fig. 6, refer to that joint 2 is metalwork thick in the middle of the point of two ends afterwards, refer to the overall Cheng Yuan of joint afterwards Rear, shape, refers to that saves is respectively arranged at two ends with tangent plane 21, the tangent plane of every one end is two, and two tangent planes pair Claiming to arrange, the setting of tangent plane refers to after making that the two ends of joint become bifurcation structure.The rear acquisition referring to joint, can pass through The two ends cutting a cylindrical metal part obtain.Rear refer to joint two ends for connect end, for front refer to joint or Other rear knucklejoint connects;Some joints of finger afterwards are articulated and connected successively, are formed and refer to pitch chain.Joint is referred to rear The inner side of upper end is provided with the first breach 23, and the setting of the first breach refers to after making that the upper end of joint forms two the One journal stirrup 22, the first journal stirrup is used for installing, and is respectively equipped with hinge hole on two first journal stirrups.As Fig. 3, Shown in Fig. 7 and Fig. 8, being provided with the second breach 25 in the rear outside referring to joint lower end, the setting of the second breach makes Referring to after get that the lower end of joint forms two the second journal stirrups 24, the second journal stirrup is used for installing, on two second journal stirrups Also hinge hole it is respectively equipped with.Each finger afterwards is saved, and two first journal stirrups are positioned at the outside of two second journal stirrups.As Shown in Fig. 1, during installation, each the first journal stirrup referred to afterwards on joint saved with adjacent finger afterwards by rotating shaft the Two journal stirrups hinged 13 connect.The rear finger joint of end is connected with front knucklejoint, now, and the front lower end referring to joint Hinged with rear the second journal stirrup referred on joint by rotating shaft.Some joints of finger afterwards are articulated and connected successively, form one Being similar to the shape of " train ", front finger joint is equivalent to locomotive engine.As shown in Figure 4, after each, joint is referred to Side be provided with a steel wire leadout hole 26, steel wire leadout hole refer to after running through joint sidewall, at steel wire leadout hole Both sides be respectively fixed with a sealing strip 4, the installation end of each sealing strip is adhesively fixed on steel wire leadout hole On inwall, the free end of each sealing strip is towards the sealing strip of offside, and the free end contact of two sealing strips Coordinate, to refer to after preventing that the steel wire in joint freely passes through steel wire leadout hole.Sealing strip is the rubber of bar shaped Part, has certain elasticity, as shown in Fig. 9, Figure 15, holds the two ends of steel wire so that steel wire is gradually Near steel wire leadout hole, when steel wire contacts with sealing strip and is displaced outwardly, sealing strip is forced to deform, this Time, steel wire can be extracted out joint from rear finger.Two sealing strips cooperatively form the taper of a hollow, this taper Big end towards the rear inner chamber referring to joint, the small end of taper is towards the rear outside referring to joint, under the effect of manpower Steel wire can refer to joint after passing easily, but foreign body refers in joint after hardly entering.
As shown in Figure 7, Figure 8, each internal chamber wall referring to joint afterwards is provided with chute 28, after chute is placed in Referring to the side of nodal axisn line, chute is used for the tooth bar that is slidably installed.As in figure 2 it is shown, on the rear finger joint of end Being provided with one handle 3, handle can be connected with this rear knucklejoint, it is possible to fixing connection.Handle 3 is hollow Metalwork, is slidably installed in the inner chamber of handle and is provided with tooth bar 58, and tooth bar also saves and front with some finger afterwards Refer to that the slide on joint coordinates.For driving the movement of tooth bar, handle is provided with drive assembly 5.Such as figure 11, shown in Figure 12, being rotatablely equipped with a roller 51 at the top of handle, the rotated down at roller is installed Having a driven gear 52, this driven gear is rotatably installed in intracavity of handle, and driven gear engages with roller Coordinating, roller is substantially a gear.One drive bevel gear 53 setting coaxial with driven gear, this initiative taper Gear and a driven wheel of differential 54 engagement coordinate, and driven wheel of differential is arranged on a worm shaft 55 vertically placed On, worm shaft is rotationally connected with handle.Worm screw engages cooperation with a worm gear 56, and worm gear wheel is arranged on hands On handle, and worm gear and travelling gear 57 coaxial line are arranged, and the engagement of this driving cog wheel and rack coordinates.As Figure 13, shown in 14, during rotation roller, rotating backward of driven gear can be driven, and then drive initiative taper The rotation of gear, and then drive the rotation of driven wheel of differential, driven wheel of differential drives worm screw rotating in same direction, Finally realize the rotating in same direction of worm gear and travelling gear.Worm and gear has self-locking performance, setting of worm and gear Put the rotation voluntarily being possible to prevent travelling gear.Roller, driven gear, drive bevel gear, from mantle tooth Wheel, worm gear and worm screw constitute drive assembly.
As shown in figure 16, before being articulated and connected, refer to that joint is fixed with a torsion spring 7 in the rear rotating shaft referring to joint, turn round The two ends of spring are separately fixed at front finger on joint and the rear internal chamber wall referring to joint.Under naturalness, the end of tooth bar Time before being placed in outside finger joint inner chamber, under the effect of torsion spring, front finger joint has an angle with rear finger joint.As Shown in Fig. 2, tooth bar is slidably matched with front finger joint, before can making, refers to that joint, some finger afterwards are saved to become with handle One straight line, now, tooth bar is placed in the front homonymy referring to joint and rear finger nodal axisn line.
As it is shown in figure 5, be provided with a position-limiting tube 27, in the peace of position-limiting tube on each internal chamber wall referring to joint afterwards Dress end is provided with the bar v notch v corresponding with steel wire leadout hole, steel wire or suture 6 and is just through in position-limiting tube, Steel wire or suture can be deviate from from position-limiting tube and steel wire leadout hole.As shown in Figure 10, the top at handle sets Having a holder 31, holder is that one end of the rubber parts of annular, steel wire or suture is placed in holder In inner chamber, owing to holder has elasticity, holder some steel wires or suture are extruded fixing while, Steel wire or suture can be extracted out from holder again.
During use, first make tooth bar and front refer to that joint, afterwards finger joint are slidably matched, will one end of tooth bar stretch Entering and refer among joint to front, now front finger is saved, refers to joint and handle in line afterwards.As shown in figure 17, rotate Roller so that one end of tooth bar refers to deviate from joint in the past, under the effect of torsion spring before refer to joint and rear finger joint Between there is an angle, as shown in figure 16.Now, front finger saves the lopsidedness to place, femur 8 axle center, Promote the most forward whole guide, under photoscope, before observing, refer to the position of joint, currently refer to that joint is remote When femur, rotation roller makes tooth bar deviate from from the rear finger joint of front knucklejoint, the most again pushes away Dynamic guide, refers to before can making that joint is to the side shifting near femur.As shown in figure 18, rotation roller, Tooth bar is deviate from joint successively from some finger afterwards, promotes whole guide, if refer to before can making joint and Refer to after Gan that joint is enclosed on femur and floating bone block.As shown in figure 19, steel wire or suture are referred in the past joint, Rear finger is extracted out, as shown in figure 20, then by floating bone block 81 together with femur 8 colligation, i.e. in joint Can realize floating bone block is fixed, prevent the moving influence symphysis of floating bone block.
The front setting referring to joint upper end round-corner transition, refers to resistance when joint advances, alleviates soft before can reducing The damage of tissue.The setting of torsion spring so that front finger saves all the time to the lopsidedness at place, femur axle center.Stock After bone syntripsis Guan Bi Intramedullary nailing, when being promoted forward by handle under C arm is had an X-rayed, after making, refer to joint Move section by section, formed femur and the encirclement of floating bone block.Pinch steel wire front end with nucleus pulposus clamp, then to Pull inside guide and steel wire can be extracted out from guide;Also suture can be derived with steel wire.Will Steel wire or suture knotting realize to floating bone block and the closed reduction of femur, tie up fixing.This device operates Convenient, fix with open reduction compared with can avoid damage to the blood fortune of floating bone block, hence it is evident that reduce otch, subtract Few operation technique and post-surgical healing time.

Claims (7)

1. the fixing steel wire guide device of fracture of shaft of femur bone piece, is characterized in that, saves including front finger, refers to afterwards Joint, handle and drive assembly, described before refer to joint be two ends point, middle thick hollow structures, described before refer to The free end of joint does round-corner transition, and the described front installation end referring to joint and refers to that pitch chain is articulated and connected;Described finger Pitch chain includes some rear finger joints being sequentially arranged and being articulated and connected each other, described refer to afterwards joint sharp for two ends, Middle thick hollow structure, refers to be provided with torsion spring on the jointed shaft saving and referring to afterwards between joint before described, described The two ends of torsion spring are separately fixed on the front internal chamber wall referring to joint and rear finger joint, institute under the effect of described torsion spring Refer to joint before stating and refer to, between joint, there is an angle afterwards;
Refer to be respectively equipped with a steel wire leadout hole, often on joint and each described sidewall referring to joint afterwards before described Being provided with two sealing strips being oppositely arranged in steel wire leadout hole described in, the installation end of sealing strip described in two is fixed On the inwall of steel wire leadout hole, the free end contact of sealing strip described in two coordinates;Before described refer to joint with It is respectively equipped with a position-limiting tube on the rear internal chamber wall referring to joint, each described position-limiting tube is provided with and derives with steel wire The bar v notch v that hole is corresponding, described bar v notch v and steel wire leadout hole are respectively positioned on front finger and save and rear knucklejoint The homonymy of point;
Before described, refer to that joint and the opposite side of rear knucklejoint point are provided with a tooth bar, refer to described before joint and after Refer to the inner chamber of joint is respectively equipped with engage the chute coordinated with tooth bar;End at described finger pitch chain is provided with one The handle of hollow, described tooth bar is slidably connected with the inner chamber of handle, and is provided with driving tooth on described handle The drive assembly of bar linear reciprocating motion.
The fixing steel wire guide device of fracture of shaft of femur bone piece the most according to claim 1, its feature Be, described drive assembly include roller, driven gear, drive bevel gear, driven wheel of differential, worm screw, Worm gear and travelling gear, described roller is rotatably installed in the top of handle, and described driven gear is nibbled with roller Closing and coordinate, the setting coaxial with driven gear of described drive bevel gear also engages cooperation with described driven wheel of differential, Described driven wheel of differential is fixed on a worm shaft vertically placed, and the engagement of described worm and wheel coordinates, The setting coaxial with worm gear of described travelling gear also engages cooperation with tooth bar.
The fixing steel wire guide device of fracture of shaft of femur bone piece the most according to claim 1, its feature Being to refer to that before described the free end of joint is provided with an inclined-plane, the low side on described inclined-plane is positioned at the one of tooth bar place Side.
The fixing steel wire guide device of fracture of shaft of femur bone piece the most according to claim 3, its feature It is that the described profile referring to joint afterwards be circular, by referring to save after cutting the two ends of a cylindrical part and obtaining, makes Refer to after get that the two ends of joint are respectively provided with a pair tangent plane.
The fixing steel wire guide device of fracture of shaft of femur bone piece the most according to claim 4, its feature It is to be provided with a pair first breach, described first breach on each described medial wall referring to joint the first end afterwards Setting make after refer to joint the first end become two the first journal stirrups;Save outside the second end each described finger afterwards Sidewall is provided with a pair second breach, and the setting of described second breach refers to after making that the second end of joint forms two Individual second journal stirrup, the second journal stirrup described in two is positioned at the inner side of two first journal stirrups.
The fixing steel wire guide device of fracture of shaft of femur bone piece the most according to claim 1, its feature It is that described sealing strip is the rubber parts of bar shaped.
The fixing steel wire guide device of fracture of shaft of femur bone piece the most according to claim 2, its feature Being to be provided with a holder on the sidewall of described handle, described holder is the rubber parts of annular, steel One end of silk is enclosed within the inner chamber of holder.
CN201510057796.9A 2015-02-04 2015-02-04 The fixing steel wire guide device of fracture of shaft of femur bone piece Expired - Fee Related CN104546112B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3627998A4 (en) * 2017-06-20 2021-03-31 Smith, Judd Michael Wire passer system and method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101825991B1 (en) * 2016-08-10 2018-02-06 인제대학교 산학협력단 Device for barrel vault osteotomy

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4146022A (en) * 1977-11-16 1979-03-27 Ronald A. Johnson Fracture fixation by cerclage utilizing cortical bone tack and pull-out tension device
US5127413A (en) * 1990-08-09 1992-07-07 Ebert Edward A Sinous suture
CN1301089C (en) * 2002-04-09 2007-02-21 斯恩蒂斯有限公司 Device for guiding cerclage wire
CN201082190Y (en) * 2007-10-18 2008-07-09 平阴县人民医院 Orthopaedics steel wire guiding device
CN201888845U (en) * 2010-11-18 2011-07-06 上海市第六人民医院 Orthopaedic minimally invasive steel wire introducer
CN203662883U (en) * 2014-01-08 2014-06-25 常州华森医疗器械有限公司 Binding metal rope for internal fracture fixation
CN204092167U (en) * 2014-09-12 2015-01-14 苏州大学附属第二医院 A kind of be applicable to comminuted fracture tie up guiding device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3627998A4 (en) * 2017-06-20 2021-03-31 Smith, Judd Michael Wire passer system and method

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