CN202515750U - Femur lesser trochanter reposition fixator - Google Patents
Femur lesser trochanter reposition fixator Download PDFInfo
- Publication number
- CN202515750U CN202515750U CN2012200925865U CN201220092586U CN202515750U CN 202515750 U CN202515750 U CN 202515750U CN 2012200925865 U CN2012200925865 U CN 2012200925865U CN 201220092586 U CN201220092586 U CN 201220092586U CN 202515750 U CN202515750 U CN 202515750U
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- China
- Prior art keywords
- guide rail
- lesser trochanter
- main handle
- femur
- chute
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a femur lesser trochanter reposition fixator comprising a main handle; the front end of the main handle is provided with a farthest end single claw; the end portion of the farthest end single claw is provided with a circular hole, while the main handle is provided with a movable drill guide sleeve; and the tail end of the drill guide sleeve always points at the circular hole during the moving process. According to the utility model, the farthest end single claw is used to clasp the lesser trochanter, and then the drill guide sleeve can be moved until the drill guide sleeve can be transferred to a suitable drilling position; since the tail end of the guide drill sleeve always aims at the circular hole of the farthest end single claw, the lesser trochanter is not deflected during the moving process, and the positioning process is convenient and accurate; the guide needle easily penetrates into and guides the hollow screw to pass through the circular hole and be screwed in the lesser trochanter for fixation. The femur lesser trochanter reposition fixator disclosed by the utility model can not only make the lesser trochanter reset obtain fracture stability, but also reduce stripping protection blood supply of the soft tissue, and make the both reach balance from the opposition. The femur lesser trochanter reposition fixator disclosed by the utility model can be applied to orthopedic fracture surgery.
Description
Technical field
This utility model relates to the assistive device of using in a kind of bone surgery, particularly a kind of assistive device that is used for the lesser trochanter of femur reattachment surgery.
Background technology
The stable key of intertrochanteric fracture of the femur be the seriality of the inboard cortical bone in back whether exist or reset after can recover, and be the protection segmental effective blood fortune of respectively fracturing, be difficult to reach desirable reset effect.In the same operating process, thereby the anatomical reduction that reaches fracture obtains fracture stabilization property, is beneficial to two aspects that union of fracture is an opposition with protection blood fortune.How to obtain the target that good surgical effect is a clinical treatment.The step of lesser trochanter of femur reattachment surgery briefly, is will lesser trochanter be resetted, and uses the connection means like hollow this type of lag screw then, and lesser trochanter is fixed.The present domestic report that has has kind of a femoral lesser trochanter reductor, and its apparatus comprises handle and the sleeve that links to each other with handle; Hollow bushing is arranged in the sleeve, and the holder front end is a head end, and annular is hollow; With the sleeve pipe respective side dentation spine is arranged, hunchbacked portion connects head end and sleeve part.Head end can be controlled lesser trochanter of femur, and exerting oneself tractive through handle can be with the lesser trochanter reduction of the fracture, and the hollow design of head end can make drill bit and hold-down screw can pass lesser trochanter cortex smoothly.The lesser trochanter though this design can reset lacks temporary fixed trochantinian design, in clinical, certainly will influence to reset and prolong operating time; Other has report, and kind of a reduction of the fracture rifle is arranged, and this positor is not fixed to the characteristic of lesser trochanter fracture, lacks temporary fixed trochantinian design simultaneously yet, influences operation technique equally.So if free-hand operation fixedly is difficulty very because of lesser trochanter is positioned at traction that the rear has iliopsoas again to resetting of its, certainly will strengthen peeling off and prolonging operating time of lesser trochanter surrounding soft tissue, influence blood fortune and increase intraoperative blood loss around the lesser trochanter.
The utility model content
The purpose of this utility model is to provide a kind of and lesser trochanter is resetted obtain fracture stabilization property, reduce the lesser trochanter of femur reduction fixture device of peeling off protection blood fortune of soft tissue.
The solution that this utility model solves its technical problem is:
The lesser trochanter of femur reduction fixture device; Comprise a main handle, the front end of said main handle is provided with the distal-most end monodactyle, and the end of said distal-most end monodactyle is provided with a circular hole; And also being provided with mobilizable drill bushing tube of leading on the main handle, the said telescopic tail end of brill of leading points to said circular hole all the time in active procedure.
Further improvement as technique scheme; Said main handle is provided with a sphere guide rail mechanism; Said sphere guide rail mechanism is made up of arc guide rail and outer arcuate guide rail; Be equipped with chute in these two arc-shaped guide rails, connect through said chute between arc guide rail and the outer arcuate guide rail, the two can be slided relatively; Wherein an arc-shaped guide rail connects with main handle, is embedded with in the chute of another arc-shaped guide rail to supply to lead the sleeve slide block that the drill bushing tube penetrates; Said arc guide rail, outer arcuate guide rail are positioned on two spheres separately, and said two spheres are concentric spherical, and the centre of sphere is said circular hole.
Further improvement as technique scheme; Said arc guide rail connects with main handle quadrature, extends link arm on the outer arcuate guide rail, and said link arm is provided with the slide block of protrusion; This slide block embeds in the chute of arc guide rail, and the outer arcuate guide rail is connected with arc guide rail quadrature.
As the further improvement of technique scheme, lead the telescopic tail end of brill and have the dentation spine.
As the further improvement of technique scheme, said main handle is provided with slidably auxiliary hook pawl, and the direction of extension of said auxiliary hook pawl is opposite with the distal-most end monodactyle, makes auxiliary hook pawl and distal-most end monodactyle be the obvolvent shape.
As the further improvement of technique scheme, chute before and after said main handle is provided with is embedded with auxiliary slider in the chute of said front and back, and said auxiliary slider connects with a gusset piece, and auxiliary hook pawl has two, all is located on the said gusset piece.
Further improvement as technique scheme; The rear end of said main handle is provided with screwed hole; Be provided with a drive screw in the screwed hole, said drive screw and this screwed hole thread connection, and its rod end connects with said gusset piece; When making the said drive screw of turn, can drive auxiliary hook pawl chute direction translation along front and back.
The beneficial effect of this utility model is: this utility model utilizes the distal-most end monodactyle to fasten lesser trochanter; Just can move then and lead the drill bushing tube, can be transplanted on a suitable bore position, bore the circular hole that telescopic tail end is aimed at distal-most end monodactyle end all the time owing to lead until leading the drill bushing tube; Therefore lesser trochanter can't deflection in this moving process; And look for the position accurately convenient, make things convenient for guide pin to penetrate, the guiding hollow screw passes circular hole and screws in fixedly lesser trochanter.This utility model can make lesser trochanter reset and obtain fracture stabilization property, reduces the protection blood of peeling off of soft tissue again and transports, and makes both reach an equilibrium point by opposition.This utility model can be used in the orthopaedics fracture operation.
Description of drawings
In order to be illustrated more clearly in the technical scheme among this utility model embodiment, the accompanying drawing of required use is done simple declaration in will describing embodiment below.Obviously, described accompanying drawing is a part of embodiment of this utility model, rather than whole embodiment, and those skilled in the art can also obtain other designs and accompanying drawing according to these accompanying drawings under the prerequisite of not paying creative work.
Fig. 1 is the perspective view of this utility model.
The specific embodiment
Below will combine embodiment and accompanying drawing that the technique effect of design, concrete structure and the generation of this utility model is carried out clear, intactly description, with purpose, characteristic and the effect of understanding this utility model fully.Obviously; Described embodiment is a part of embodiment of this utility model, rather than whole embodiment, based on the embodiment of this utility model; Other embodiment that those skilled in the art is obtained under the prerequisite of not paying creative work all belong to the scope that this utility model is protected.In addition, all connection/annexations of being mentioned in the literary composition are not to refer to that singly member directly joins, and are meant and can connect auxiliary through adding or reducing according to the practical implementation situation, form more excellent draw bail.
With reference to Fig. 1; The lesser trochanter of femur reduction fixture device; Comprise a main handle 1, the front end of said main handle 1 is provided with distal-most end monodactyle 2, and the end of said distal-most end monodactyle 2 is provided with a circular hole; And also being provided with mobilizable drill bushing tube 3 of leading on the main handle 1, said tail end of leading drill bushing tube 3 points to said circular hole all the time in active procedure.
Further as preferred embodiment; Said main handle 1 is provided with a sphere guide rail mechanism; Said sphere guide rail mechanism is made up of arc guide rail 4 and outer arcuate guide rail 5; Be equipped with chute in these two arc-shaped guide rails, connect through said chute between arc guide rail 4 and the outer arcuate guide rail 5, the two can be slided relatively; Wherein an arc-shaped guide rail connects with main handle 1, is embedded with in the chute of another arc-shaped guide rail to supply to lead the sleeve slide block 6 that drill bushing tube 3 penetrates; Said arc guide rail 4, outer arcuate guide rail 5 are positioned on two spheres separately, and said two spheres are concentric spherical, and the centre of sphere is said circular hole.Particularly, sphere described here is not the entity sphere, and is meant the abstract sphere on how much, in order to the shape and the locus of restriction arc guide rail 4, outer arcuate guide rail 5.
Because the existence of sphere guide rail mechanism has been arranged; The slip that makes sleeve slide block 6 is to be spheric motion; And this motion is that the center of circle with distal-most end monodactyle 2 end circular holes is the centre of sphere, and so no matter how two guide rails and sleeve slide block 6 move, and the tail end (i.e. outlet) of leading drill bushing tube 3 center of circle with said circular hole all the time is the centre of sphere; Guaranteed in the subsequent operation that sending into of hollow screw is to aim at the sclerite that distal-most end monodactyle 2 is controlled all the time.
Further as preferred embodiment; Said arc guide rail 4 connects with main handle 1 quadrature, extends link arm on the outer arcuate guide rail 5, and said link arm is provided with the slide block of protrusion; This slide block embeds in the chute of arc guide rail 4, and outer arcuate guide rail 5 is connected with arc guide rail 4 quadratures.Here the arrangement that has adopted quadrature to connect makes that time, the displacement of adjustment guide rail and sleeve slide block 6 are the shortest, and clear, and the location accurately.
Further as preferred embodiment, the tail end of leading drill bushing tube 3 has the dentation spine.
Further as preferred embodiment, said main handle 1 is provided with slidably auxiliary hook pawl 8, and the direction of extension of said auxiliary hook pawl 8 is opposite with distal-most end monodactyle 2, makes auxiliary hook pawl 8 be the obvolvent shape with distal-most end monodactyle 2.
Further as preferred embodiment, chute before and after said main handle 1 is provided with is embedded with auxiliary slider in the chute of said front and back, and said auxiliary slider connects with a gusset piece, and auxiliary hook pawl 8 has two, all is located on the said gusset piece.
Further as preferred embodiment; The rear end of said main handle 1 is provided with screwed hole; Be provided with a drive screw 7 in the screwed hole, said drive screw 7 and this screwed hole thread connection, and its rod end connects with said gusset piece; When making the said drive screw 7 of turn, can drive auxiliary hook pawl 8 chute direction translation along front and back.
During work, hook lesser trochanter with distal-most end monodactyle 2, turn drive screw 7 drives auxiliary hook pawl 8 and advances and 2 obvolvents of distal-most end monodactyle, and lesser trochanter is resetted; Then adjust outer arcuate guide rail 5, arc guide rail 4 and lead the relative position of drill bushing tube 3, make and lead the bore position that drill bushing tube 3 is obtained a best, the hand-held drill bushing tube 3 of fixedly leading; From lead drill bushing tube 3, pierce guide pin, be screwed into hollow screw along guide pin again, let lesser trochanter and femur be fixedly connected, remove this utility model and make post-processed, can accomplish that lesser trochanter of femur resets and fixing operation.
Though this utility model is to the lesser trochanter of femur design that resets, but can depend on the needs of other bone surgeries, this cover sphere guide rail slippage transported lead the drill bushing tube, the temporary fixed design of paw is extended on the assistive device of this kind operation.
More than be that preferred embodiments to this utility model specifies; But the invention is not limited to said embodiment; Those of ordinary skill in the art also can make all equivalent modifications or replacement under the prerequisite of this utility model spirit, modification that these are equal to or replacement all are included in the application's claim institute restricted portion.
Claims (7)
1. lesser trochanter of femur reduction fixture device; It is characterized in that: comprise a main handle (1); The front end of said main handle (1) is provided with distal-most end monodactyle (2); The end of said distal-most end monodactyle (2) is provided with a circular hole, and also is provided with mobilizable drill bushing tube (3) of leading on the main handle (1), and said tail end of leading drill bushing tube (3) points to said circular hole all the time in active procedure.
2. lesser trochanter of femur reduction fixture device according to claim 1; It is characterized in that: said main handle (1) is provided with a sphere guide rail mechanism; Said sphere guide rail mechanism is made up of arc guide rail (4) and outer arcuate guide rail (5); Be equipped with chute in these two arc-shaped guide rails, connect through said chute between arc guide rail (4) and the outer arcuate guide rail (5), the two can be slided relatively; Wherein an arc-shaped guide rail connects with main handle (1), is embedded with in the chute of another arc-shaped guide rail to supply to lead the sleeve slide block (6) that drill bushing tube (3) penetrates; Said arc guide rail (4), outer arcuate guide rail (5) are positioned on two spheres separately, and said two spheres are concentric spherical, and the centre of sphere is said circular hole.
3. lesser trochanter of femur reduction fixture device according to claim 2; It is characterized in that: said arc guide rail (4) connects with main handle (1) quadrature; The outer arcuate guide rail extends link arm on (5); Said link arm is provided with the slide block of protrusion, and this slide block embeds in the chute of arc guide rail (4), and outer arcuate guide rail (5) is connected with arc guide rail (4) quadrature.
4. lesser trochanter of femur reduction fixture device according to claim 1 is characterized in that: the tail end of leading drill bushing tube (3) has the dentation spine.
5. lesser trochanter of femur reduction fixture device according to claim 1; It is characterized in that: said main handle (1) is provided with slidably auxiliary hook pawl (8); The direction of extension of said auxiliary hook pawl (8) and distal-most end monodactyle (2) are opposite, make auxiliary hook pawl (8) be the obvolvent shape with distal-most end monodactyle (2).
6. lesser trochanter of femur reduction fixture device according to claim 5; It is characterized in that: chute before and after said main handle (1) is provided with; Be embedded with auxiliary slider in the chute of said front and back; Said auxiliary slider connects with a gusset piece, and auxiliary hook pawl (8) has two, all is located on the said gusset piece.
7. lesser trochanter of femur reduction fixture device according to claim 6; It is characterized in that: the rear end of said main handle (1) is provided with screwed hole; Be provided with a drive screw (7) in the screwed hole, said drive screw (7) and this screwed hole thread connection, and its rod end connects with said gusset piece; When making the said drive screw of turn (7), can drive auxiliary hook pawl (8) chute direction translation along front and back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200925865U CN202515750U (en) | 2012-03-13 | 2012-03-13 | Femur lesser trochanter reposition fixator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200925865U CN202515750U (en) | 2012-03-13 | 2012-03-13 | Femur lesser trochanter reposition fixator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202515750U true CN202515750U (en) | 2012-11-07 |
Family
ID=47098726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200925865U Expired - Fee Related CN202515750U (en) | 2012-03-13 | 2012-03-13 | Femur lesser trochanter reposition fixator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202515750U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103169529A (en) * | 2013-02-04 | 2013-06-26 | 上虞市中医院 | Machine for fixing and repositioning fractured femur lesser trochanter |
| CN105943137A (en) * | 2016-01-11 | 2016-09-21 | 杨春 | Femoral intertrochanteric fracture lesser trochanter resetting guider |
| CN106618720A (en) * | 2017-01-11 | 2017-05-10 | 海口市人民医院 | Vertical adjustable fixed point malposition distance guide needle collimation hollow screw fixation minimally invasive device |
| CN106618719A (en) * | 2017-01-11 | 2017-05-10 | 海口市人民医院 | Hollow lag screw guide pin aiming fixator for restoration of lesser trochanter of thigh bone from rear side |
| CN108478275A (en) * | 2018-04-27 | 2018-09-04 | 江阴市人民医院 | The minimally invasive auxiliary reset device of intertrochanteric fracture |
| CN108836465A (en) * | 2018-04-26 | 2018-11-20 | 朱由兵 | A kind of fixed device of clinic bone fracture surgery lesser trochanter of femur |
| WO2018218490A1 (en) * | 2017-05-31 | 2018-12-06 | 唐佩福 | Bone fixing device provided with bone nail |
-
2012
- 2012-03-13 CN CN2012200925865U patent/CN202515750U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103169529A (en) * | 2013-02-04 | 2013-06-26 | 上虞市中医院 | Machine for fixing and repositioning fractured femur lesser trochanter |
| CN103169529B (en) * | 2013-02-04 | 2015-08-05 | 上虞市中医院 | A kind of fracture of the lesser trochanter fixing reductor |
| CN105943137A (en) * | 2016-01-11 | 2016-09-21 | 杨春 | Femoral intertrochanteric fracture lesser trochanter resetting guider |
| CN106618720A (en) * | 2017-01-11 | 2017-05-10 | 海口市人民医院 | Vertical adjustable fixed point malposition distance guide needle collimation hollow screw fixation minimally invasive device |
| CN106618719A (en) * | 2017-01-11 | 2017-05-10 | 海口市人民医院 | Hollow lag screw guide pin aiming fixator for restoration of lesser trochanter of thigh bone from rear side |
| WO2018218490A1 (en) * | 2017-05-31 | 2018-12-06 | 唐佩福 | Bone fixing device provided with bone nail |
| CN108836465A (en) * | 2018-04-26 | 2018-11-20 | 朱由兵 | A kind of fixed device of clinic bone fracture surgery lesser trochanter of femur |
| CN108478275A (en) * | 2018-04-27 | 2018-09-04 | 江阴市人民医院 | The minimally invasive auxiliary reset device of intertrochanteric fracture |
| CN108478275B (en) * | 2018-04-27 | 2023-12-01 | 江阴市人民医院 | Minimally invasive auxiliary resetting device for intertrochanteric fracture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121107 Termination date: 20140313 |