CN207804357U - A kind of tibial plateau fracture repositor - Google Patents

A kind of tibial plateau fracture repositor Download PDF

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Publication number
CN207804357U
CN207804357U CN201720456203.0U CN201720456203U CN207804357U CN 207804357 U CN207804357 U CN 207804357U CN 201720456203 U CN201720456203 U CN 201720456203U CN 207804357 U CN207804357 U CN 207804357U
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CN
China
Prior art keywords
hole
rod handle
tibial plateau
bar portion
flexible axle
Prior art date
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.)
Withdrawn - After Issue
Application number
CN201720456203.0U
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Chinese (zh)
Inventor
樊健
袁锋
李山珠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Tongji Hospital
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Shanghai Tongji Hospital
Priority date (The priority date 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 date listed.)
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Publication date
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Priority to CN201720456203.0U priority Critical patent/CN207804357U/en
Application granted granted Critical
Publication of CN207804357U publication Critical patent/CN207804357U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of tibial plateau fracture repositor, including bar portion is divided into upper and lower part, and top is the column structure of arc, and lower part is cylindrical structure, and the lower end on top and the upper end of lower part connect;Bar portion is hollow structure, and perforation is offered on the lateral surface at tip to first through hole, several second through-holes and the third through-hole in hollow structure;Rod handle is installed on the lower end of lower part, and flexible axle is installed in bar portion and handle, and flexible axle is equipped with dentation cam by subapical one end, and the other end of flexible axle is connected with rotating device, and rotating device is installed on the lower face of rod handle;Match with dentation cam equipped with an ejection object, ejection object in every 1 second through-hole;First through hole is equipped with cam device, and third through-hole is equipped with headlamp;Rod handle is installed on the lower end of lower part, and the first button is installed on the lateral surface of rod handle.Several ejection objects of the utility model increase contact surface, when avoiding undue force caused by articular surface cartilage secondary injury.

Description

A kind of tibial plateau fracture repositor
Technical field
The utility model is related to the technical field of medical instrument more particularly to a kind of technologies of tibial plateau fracture repositor Field.
Background technology
Fracture of tibial plateau has collapsing for articular surface more, and one of operation main purpose is exactly to calm down articular surface, is restored Original height.In current clinical operation, most doctor uses narrow osteotome, periosteum elevator, dissecting scissors or comparable work Tool carries out the upper lift of sled group after opening a window or rive by proximal tibia to collapsing articular surface, reaches calming down and implementing interior solid for articular surface It is fixed.But it was found that during this collapses platform reset, use traditional narrow osteotome, periosteum elevator or dissecting scissors The windowing or rive that equal resetting tools need proximal tibia larger, increase Accessory injury;These resetting tools are to collapsing simultaneously The reset of articular surface bone block lacks accuracy, it is easy to so that the uninvolved proximal tibia cancellous bone of script is destroyed and pine Dynamic, these conventional tool top contact surfaces are smaller in addition, and when undue force is easy to poke articular surface cartilage, causes secondary wound Evil.
Utility model content
In view of the above-mentioned problems, now providing a kind of tibial plateau fracture repositor.
To achieve the goals above, the technical solution taken is as follows:
A kind of tibial plateau fracture repositor, wherein including:
Bar portion, the bar portion are an integral structure, and the bar portion is divided into upper and lower part, and the top is the column of arc Structure, the lower part are cylindrical-shaped structure, and the top and the lower part are hollow structure;The upper end on the top is tip, The lower end on the top is connect with the upper end of the lower part;
Rod handle, the rod handle are installed on the lower end of the lower part, and the first button is installed on the lateral surface of the rod handle, described Hollow space is equipped in rod handle, the lower face of the rod handle is provided with an opening, and the lower face of the rod handle is equipped with a rotating dress It sets;
One end of flexible axle, the flexible axle is located in the rod handle, and one end of the flexible axle and the rotating device are solid Fixed connection;The other end of the flexible axle is through in the bar portion, and the other end of the flexible axle is close to the tip;It is described Flexible axle is equipped with dentation cam close to the one end at the tip;
The top be provided on the lateral surface at the tip several circumference array in the tip center line Two through-holes;The top is also provided with first through hole and third through-hole on the lateral surface at the tip simultaneously, and several described the Two through-holes, the first through hole and the third through-hole are through in the hollow structure;It is equipped with and takes the photograph in the first through hole As head device, headlamp is installed in the third through-hole;One ejection object is installed in each second through-hole, it is each described Ejection object is installed on by a shaft on two inner walls of second through-hole;Several ejection objects and the dentation cam Match.
Above-mentioned a kind of tibial plateau fracture repositor, wherein the rotating device includes cylinder and bearing;The cylinder Annular protrusion is installed, the inner wall of the hollow space of the rod handle is equipped with an annular groove, the annular on the lateral surface of body The bearing is installed, the annular protrusion matches with the bearing, and the annular protrusion is located at the ring in groove In connected in star.
Above-mentioned a kind of tibial plateau fracture repositor, wherein first button and the cam device, the illumination Lamp is electrically connected.
Above-mentioned a kind of tibial plateau fracture repositor, wherein the length of the bar portion is 20cm.
Above-mentioned a kind of tibial plateau fracture repositor, wherein the first through hole is located at the upside of second through-hole, institute State the upside that the second through-hole is located at the third through-hole.
Above-mentioned a kind of tibial plateau fracture repositor, wherein the diameter of the bar portion is from the upper end on the top to described The lower end of lower part becomes larger.
Above-mentioned a kind of tibial plateau fracture repositor, wherein the diameter of the rod handle is more than the straight of the lower end of the lower part Diameter.
The good effect that above-mentioned technology has compared with prior art is:
Several ejection objects of 1 the utility model increase contact surface, are caused to articular surface cartilage when avoiding undue force Secondary injury.
2 the utility model improve procedure efficiency and quality, obtain compared with the better effect of traditional operation mode.
Description of the drawings
Fig. 1 is a kind of schematic diagram of tibial plateau fracture repositor of the utility model;
Fig. 2 is the enlarged drawing of the D of the utility model;
Fig. 3 is a kind of sectional view of the side-looking direction of tibial plateau fracture repositor of the utility model;
Fig. 4 is the sectional view of the A-A of Fig. 3;
Fig. 5 is the enlarged drawing of the B of Fig. 3;
Fig. 6 is the enlarged drawing of the C of Fig. 3.
In attached drawing:1, bar portion;11, top;111, object is ejected;112, dentation cam;113, tip;12, lower part;131, One through-hole;132, the second through-hole;133, third through-hole;2, rod handle;21, the first button;221, cylinder;222, annular protrusion; 23, annular groove;3, cam device;4, headlamp;5, flexible axle.
Specific implementation mode
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, but not as the utility model It limits.
Fig. 1 is a kind of schematic diagram of tibial plateau fracture repositor of the utility model.Fig. 2 is the D's of the utility model Enlarged drawing.Fig. 3 is a kind of sectional view of the side-looking direction of tibial plateau fracture repositor of the utility model.Fig. 4 is the A- of Fig. 3 The sectional view of A.Fig. 5 is the enlarged drawing of the B of Fig. 3.Fig. 6 is the enlarged drawing of the C of Fig. 3.Refer to shown in Fig. 1 to Fig. 6, one kind compared with In good embodiment, a kind of tibial plateau fracture repositor is shown, including:
Bar portion 1, bar portion 1 are an integral structure, and bar portion 1 is divided for top 11 and lower part 12, and top 11 is the column knot of arc Structure, lower part 12 are cylindrical-shaped structure, and top 11 and lower part 12 are hollow structure;The upper end on top 11 is tip 113, top 11 Lower end is connect with the upper end of lower part 12.
Top 11 be provided on the lateral surface at tip 113 several circumference array in tip 113 center line it is second logical Hole 132;Top 11 is also provided with first through hole 131 and third through-hole 133 on the lateral surface at tip 113 simultaneously, and several second Through-hole 132, first through hole 131 and third through-hole 133 are through in hollow structure;Camera dress is installed in first through hole 131 3 are set, headlamp 4 is installed in third through-hole 133;One ejection object 111, each ejection object are installed in every 1 second through-hole 132 111 are installed on by a shaft on two inner walls of one second through-hole 132;Several ejection objects 111 are matched with dentation cam 112.
Rod handle 2, rod handle 2 are installed on the lower end of lower part 12, and the first button 21 is installed on the lateral surface of rod handle 2, is set in rod handle 2 There are hollow space, the lower face of rod handle 2 to be provided with an opening, the lower face of rod handle 2 is equipped with a rotating device.
One end of flexible axle 5, flexible axle 5 is located in rod handle 2, and one end of flexible axle 5 is fixedly connected with rotating device;Flexible axle 5 The other end be through in bar portion 1, and the other end of flexible axle 5 is close to tip 113;Flexible axle 5 is installed close to the one end at tip 113 There is dentation cam 112.
The foregoing is merely the utility model preferred embodiment, be not intended to limit the utility model embodiment and Protection domain.
Further, it refers to shown in Fig. 2 and Fig. 3, shows that rotating device includes cylinder 221 and bearing;Cylinder 221 Lateral surface on offer annular protrusion 222, the inner wall of the hollow space of rod handle 2 is equipped with an annular groove 23, annular groove Bearing is installed, annular protrusion 222 matches with bearing, and annular protrusion 222 is located in annular groove 23 in 23.
Further, in a kind of preferred embodiment, the length of bar portion 1 is 20cm.
Further, shown in Figure 2, show that first through hole 131 is located at the upside of the second through-hole 132, the second through-hole 132 are located at the upside of third through-hole 133.
Further, in a kind of preferred embodiment, the first button 21 is electrically connected with cam device 3 and headlamp 4.Camera shooting The embedding wire of figure and headlamp is set in hollow structure, and electric wire is connected by pressing the first button 21, can be by 3 He of cam device Headlamp 4 is opened.The first button 21 is pressed again, closes cam device 3 and headlamp 4.Cam device 3 and headlamp 4 Facilitate doctor to perform the operation, apparent can see operative site.
Further, shown in Figure 3, show that each ejection object 111 is water-drop-shaped thin slice, each ejection object 111 Small end is installed on by a shaft on the inner wall of one second through-hole 132.
Further, in a kind of preferred embodiment, the width limitation ejection object 111 of the second through-hole 132 so that ejection object 111 will not pop up from the second through-hole 132 completely, avoid ejection object 111 from ejecting completely, are damaged to patient.
Further, shown in Figure 1, the diameter at tip 113 is less than the diameter of 1 lower end of bar portion.The diameter of bar portion 1 is from upper The lower end of the upper end in portion 11 to lower part 12 becomes larger.
Further, shown in Figure 1, the diameter of rod handle 2 is more than the diameter of the lower end of lower part 12.
The utility model also has following operation principle on the basis of the above, refers to shown in Fig. 1 to Fig. 6:
When doctor carries out sled group above lift using the utility model to collapsing articular surface, it is only necessary to rotate rotating device, make It obtains internal flexible axle 5 to rotate, the rotation of flexible axle 5 drives dentation cam 112, and dentation cam 112 is so that several ejection objects 111 are self-possessed Dry second through-hole 132 ejection so that the contact area face of restorer is big, when avoiding undue force caused by articular surface cartilage Secondary injury.Meanwhile the contact area face of restorer increases, and is conducive to carry out the upper lift of sled group to collapsing articular surface.When doctor sees When unclear, the first button 21 can be pressed, clearer observation is carried out by cam device 3 and headlamp 4.After doctor's use, By rotating rotating device, several ejection objects 111 are resetted, the utility model is then extracted into affected part.
It these are only the utility model preferred embodiment, be not intended to limit the embodiment and protection of the utility model Range should can appreciate that all with the utility model specification and diagramatic content institute to those skilled in the art The equivalent replacement made and obviously change obtained scheme, the scope of protection of the utility model should all be included in It is interior.

Claims (7)

1. a kind of tibial plateau fracture repositor, which is characterized in that including:
Bar portion, the bar portion are an integral structure, and the bar portion is divided into upper and lower part, and the top is the column knot of arc Structure, the lower part are cylindrical-shaped structure, and the top and the lower part are hollow structure;The upper end on the top is tip, institute The lower end for stating top is connect with the upper end of the lower part;
Rod handle, the rod handle are installed on the lower end of the lower part, and the first button, the rod handle are installed on the lateral surface of the rod handle Interior to be equipped with hollow space, the lower face of the rod handle is provided with an opening, and the lower face of the rod handle is equipped with a rotating device;
One end of flexible axle, the flexible axle is located in the rod handle, and one end of the flexible axle is fixed with the rotating device and connected It connects;The other end of the flexible axle is through in the bar portion, and the other end of the flexible axle is close to the tip;The flexible axle One end close to the tip is equipped with dentation cam;
The top be provided on the lateral surface at the tip several circumference array in the tip center line it is second logical Hole;The top is also provided with first through hole and third through-hole on the lateral surface at the tip simultaneously, and several described second is logical Hole, the first through hole and the third through-hole are through in the hollow structure;Camera is installed in the first through hole Device is equipped with headlamp in the third through-hole;One ejection object, each ejection are installed in each second through-hole Object is installed on by a shaft on two inner walls of second through-hole;Several ejection objects are matched with the dentation cam.
2. a kind of tibial plateau fracture repositor according to claim 1, which is characterized in that the rotating device includes cylinder Body and bearing;Annular protrusion is installed, the inner wall of the hollow space of the rod handle is equipped with one on the lateral surface of the cylinder Annular groove is equipped with the bearing in the annular groove, and the annular protrusion matches with the bearing, and the ring Shape protrusion is located in the annular groove.
3. a kind of tibial plateau fracture repositor according to claim 1, which is characterized in that first button is taken the photograph with described As head device, headlamp electrical connection.
4. a kind of tibial plateau fracture repositor according to claim 1, which is characterized in that the length of the bar portion is 20cm。
5. a kind of tibial plateau fracture repositor according to claim 1, which is characterized in that the first through hole is located at described The upside of second through-hole, second through-hole are located at the upside of the third through-hole.
6. a kind of tibial plateau fracture repositor according to claim 1, which is characterized in that the diameter of the bar portion is from described The lower end of the upper end on top to the lower part becomes larger.
7. a kind of tibial plateau fracture repositor according to claim 1, which is characterized in that the diameter of the rod handle is more than institute State the diameter of the lower end of lower part.
CN201720456203.0U 2017-04-27 2017-04-27 A kind of tibial plateau fracture repositor Withdrawn - After Issue CN207804357U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720456203.0U CN207804357U (en) 2017-04-27 2017-04-27 A kind of tibial plateau fracture repositor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720456203.0U CN207804357U (en) 2017-04-27 2017-04-27 A kind of tibial plateau fracture repositor

Publications (1)

Publication Number Publication Date
CN207804357U true CN207804357U (en) 2018-09-04

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ID=63336118

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720456203.0U Withdrawn - After Issue CN207804357U (en) 2017-04-27 2017-04-27 A kind of tibial plateau fracture repositor

Country Status (1)

Country Link
CN (1) CN207804357U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106983554A (en) * 2017-04-27 2017-07-28 上海市同济医院 A kind of tibial plateau fracture repositor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106983554A (en) * 2017-04-27 2017-07-28 上海市同济医院 A kind of tibial plateau fracture repositor
CN106983554B (en) * 2017-04-27 2019-05-21 上海市同济医院 A kind of tibial plateau fracture repositor

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Granted publication date: 20180904

Effective date of abandoning: 20190521