CN207804357U - A kind of tibial plateau fracture repositor - Google Patents
A kind of tibial plateau fracture repositor Download PDFInfo
- 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- Withdrawn - After Issue
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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
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.
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 |
Family
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 |
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CN (1) | CN207804357U (en) |
Cited By (1)
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 |
-
2017
- 2017-04-27 CN CN201720456203.0U patent/CN207804357U/en not_active Withdrawn - After Issue
Cited By (2)
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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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20180904 Effective date of abandoning: 20190521 |