CN209153925U - The resetting apparatus of tibial plateau articular step-off fracture - Google Patents
The resetting apparatus of tibial plateau articular step-off fracture Download PDFInfo
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- CN209153925U CN209153925U CN201821258900.6U CN201821258900U CN209153925U CN 209153925 U CN209153925 U CN 209153925U CN 201821258900 U CN201821258900 U CN 201821258900U CN 209153925 U CN209153925 U CN 209153925U
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- tibial plateau
- fracture
- bracket
- resetting apparatus
- plateau articular
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Abstract
The utility model provides a kind of resetting apparatus of tibial plateau articular step-off fracture, the resetting apparatus of the tibial plateau articular step-off fracture includes: bracket, positioning element and hollow sleeve, wherein, the shape of bracket matches with tibial plateau articular surface shape;Hollow sleeve is set on bracket, and positioning element is set to one end of bracket, and positioning element can be accommodated by the position that tibial plateau articular step-off is fractured, and be located on the axially-extending line of hollow sleeve.It is fixed by the bracket the general location that entire resetting apparatus is located on shin bone, layout designs based on positioning element and hollow sleeve position more precisely determine the subsequent moving line that stick is pushed up during shin bone uplifting window position and the tibial plateau articular step-off reduction of the fracture.The resetting apparatus of tibial plateau articular step-off fracture based on the utility model can accurately jack up the fracture face collapsed, and not influence other normal articular surfaces, to improve the effect of operation.
Description
Technical field
The utility model relates to the field of medical instrument technology, in particular to what a kind of tibial plateau articular step-off was fractured answers
Position device.
Background technique
Articular step-off is the common type of intra-articular fracture, and in the course of surgery, patient needs the bone under articular surface
Cadre position " windowing " (removes partial cortical with osteotome), then top stick is inserted into the lower section of articular surface, it is soft to jack up the joint collapsed
Bone, then bone grafting is fixed.
But deficiency existing for the above-mentioned operation repair mode for articular step-off is: although patient can look at straight
Articular surface, it is seen that the position collapsed, but after cannot be guaranteed top stick insertion pulp cavity, the underface of collapsed fracture is arrived on top just, from
And operation is caused to can not achieve the desired results.
Deficiency existing for operation repair mode for articular step-off in the prior art, those skilled in the art exist always
Find the method solved.
Utility model content
The purpose of this utility model is to provide a kind of resetting apparatuses of tibial plateau articular step-off fracture, to solve to make
Top stick top position existing for operation repair mode with articular step-off in the prior art is inaccurate, causes surgical effect is bad to ask
Topic.
In order to solve the above technical problems, the utility model provides a kind of reset dress of tibial plateau articular step-off fracture
It sets, the resetting apparatus of the tibial plateau articular step-off fracture includes: bracket, positioning element and hollow sleeve, wherein described
The shape of bracket matches with tibial plateau articular surface shape;The hollow sleeve is set on bracket, the positioning element
It is set to one end of bracket, the positioning element can be accommodated by the position that tibial plateau articular step-off is fractured, and be located at institute
It states on the axially-extending line of hollow sleeve.
Optionally, in the resetting apparatus that the tibial plateau articular step-off is fractured, the shape of the bracket is to fall
" 7 " font, the positioning element are set to down the short side end of " 7 " font.
Optionally, in the resetting apparatus that the tibial plateau articular step-off is fractured, the positioning element is one convex
Play structure.
It optionally, further include guide pin in the resetting apparatus that the tibial plateau articular step-off is fractured, the guide pin
Tibial plateau articular step-off fracture can be reached along the axially-extending line of the hollow sleeve.
Optionally, in the resetting apparatus that the tibial plateau articular step-off is fractured, further include it is hollow unbearable, it is described
The window of the hollow unbearable pulp cavity for opening up guide pin insertion shin bone on shin bone using the guide pin as rotary shaft.
It optionally, further include hollow top stick in the resetting apparatus that the tibial plateau articular step-off is fractured, it is described
Hollow top stick can move to tibial plateau articular step-off fracture lower section along the guide pin.
In the resetting apparatus of tibial plateau articular step-off provided by the utility model fracture, the tibial plateau is closed
The resetting apparatus of nodal section collapsed fracture includes: bracket, positioning element and hollow sleeve, wherein the shape and shin bone of the bracket
Platform articular surface shape matches;The hollow sleeve is set on bracket, and the positioning element is set to one end of bracket,
The positioning element can be accommodated by the position that tibial plateau articular step-off is fractured, and the axial direction for being located at the hollow sleeve is prolonged
On long line.It is fixed by the bracket the general location that entire resetting apparatus is located on shin bone, is based on positioning element and hollow sleeve position
The layout designs set more precisely determine subsequent in shin bone uplifting window position and the tibial plateau articular step-off reduction of the fracture
The moving line of Cheng Zhongding stick.The resetting apparatus of tibial plateau articular step-off fracture based on the utility model can be accurate
The fracture face collapsed is jacked up, and does not influence other normal articular surfaces, to improve the effect of operation.
Detailed description of the invention
Fig. 1 is the structural representation for the resetting apparatus that tibial plateau articular step-off is fractured in an embodiment of the present invention
Figure;
Structure when Fig. 2 is the resetting apparatus application that tibial plateau articular step-off is fractured in an embodiment of the present invention
Schematic diagram.
Figure label explanation:
Bracket 10;Positioning element 11;Hollow sleeve 12;Shin bone 2.
Specific embodiment
Below in conjunction with the drawings and specific embodiments to the utility model proposes tibial plateau articular step-off fracture answer
Position device is described in further detail.According to following explanation and claims, the advantages of the utility model and feature will be more clear
Chu.It should be noted that attached drawing is all made of very simplified form and using non-accurate ratio, only to conveniently, lucidly
Aid in illustrating the purpose of the utility model embodiment.
Illustrate the embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this theory
Content disclosed by bright book understands other advantages and effect of the utility model easily.The utility model can also be by addition
Different specific embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints and answer
With carrying out various modifications or alterations under the spirit without departing from the utility model.It should be noted that being mentioned in the present embodiment
The diagram of confession only illustrates the basic conception of the utility model in a schematic way, only shows in schema then related with the utility model
Component rather than component count, shape and size when according to actual implementation draw, when actual implementation each component kenel, number
Amount and ratio can arbitrarily change for one kind, and its assembly layout kenel may also be increasingly complex.
The certain terms for indicating particular system components have been used throughout specification and claims.Such as the technology of this field
What personnel will be understood that, different company may indicate a component with different titles.But function different in title is not expected herein
It is distinguished between identical component.In the specification and in the claims, term " includes " and "comprising" press open side
Formula uses, and therefore should be interpreted " including, but are not limited to ... ".
To be clearer and more comprehensible the purpose of this utility model, feature, with reference to the accompanying drawing to the specific reality of the utility model
The mode of applying is further described, however, the utility model can be realized with different forms, it is not considered that being only confined to institute
The embodiment stated.
Referring to FIG. 1, the structural representation of its resetting apparatus fractured for the tibial plateau articular step-off of the utility model
Figure.As shown in Figure 1, the resetting apparatus of tibial plateau articular step-off fracture includes: bracket 10, positioning element 11 and hollow
Sleeve 12, wherein the shape of the bracket 10 matches with tibial plateau articular surface shape;The hollow sleeve 12 is set to
On bracket 10, the positioning element 11 is set to one end of bracket 10, and the positioning element 11 can be collapsed by tibial plateau articular surface
The position for falling into fracture accommodates, and is located on the axially-extending line of the hollow sleeve 12.
In the present embodiment, the shape of the bracket 10 is that " 7 " font, the positioning element 11 are set to down " 7 " font
Short side end, it is preferred that the positioning element 11 be a bulge-structure.The pattern of bracket is not limited in the present embodiment
It is fixed, specifically selection setting can be carried out according to patient's shin bone tibial plateau articular surface, so that bracket is as far as possible preferably and shin bone
Platform articular surface fitting, convenient for the development of surgical work.
Further, the resetting apparatus of the tibial plateau articular step-off fracture further includes guide pin, hollow unbearable and sky
Heart top stick, the guide pin can reach tibial plateau articular step-off fracture along the axially-extending line of the hollow sleeve 12;Institute
State the window of the hollow unbearable pulp cavity for opening up guide pin insertion shin bone on shin bone using the guide pin as rotary shaft;The hollow top stick
Tibial plateau articular step-off fracture lower section can be moved to along the guide pin.It is hollow unbearable and empty used by the utility model
Heart top stick is the universal component of the prior art, is not repeated excessively the structure of the two.
Correspondingly, the present embodiment additionally provides a kind of application side of the resetting apparatus of tibial plateau articular step-off fracture
Method.The application method of the resetting apparatus of the fracture of tibial plateau articular step-off described in the present embodiment is described in detail below with reference to Fig. 2.
Firstly, executing step S1, bracket 10 is set to the outside of tibial plateau articular surface, and be placed in positioning element 11
The central location of tibial plateau articular step-off fracture;
Then, step S2 is executed, guide pin is inserted into hollow sleeve 12, and makes the shin bone 2 outside guide pin contact hollow sleeve 12;
Then, step S3 is executed, keeps guide pin position constant, while hollow infiltrate being used to exist using the guide pin as rotary shaft
The window (opening a window) of the pulp cavity of guide pin insertion shin bone 2 is opened up on shin bone 2;
Specifically, only retaining guide pin when executing step S3 and shin bone position being constant, for bracket, hollow sleeve and positioning
Component has been removed.
Then, step S4 is executed, hollow top stick is socketed on guide pin, and move to tibial plateau articular surface along guide pin
Below collapsed fracture.
It is located on the axially-extending line of the hollow sleeve 12 due to the positioning element 11, and the moving line of guide pin is
The axially-extending line of hollow sleeve 12, so that hollow push up the axially-extending line that the final moving line of stick is also hollow sleeve 12.
It can be seen that positioning element 11 is located at the central location of tibial plateau articular step-off fracture, after just accurately having determined
Continue the running route of hollow top stick, so that top stick effectively be enabled to push up the underface of collapsed fracture just, realizes to collapsing
The reset of fracture.
Furthermore, it is possible to according to the model of the hollow boring bit of the size selection correspondingly-sized of collapsed fracture and hollow top stick, from
And it is convenient for " opening a window " and the development of the reset work to collapsed fracture.
For the method disclosed in the embodiment, as corresponding with structure disclosed in embodiment, so the comparison of description
Simply, related place illustrates referring to structure division.
To sum up, in the resetting apparatus of tibial plateau articular step-off provided by the utility model fracture, the shin bone
The resetting apparatus of platform articular step-off fracture includes: bracket, positioning element and hollow sleeve, wherein the shape of the bracket
Match with tibial plateau articular surface shape;The hollow sleeve is set on bracket, and the positioning element is set to bracket
One end, the positioning element can be accommodated by position that tibial plateau articular step-off is fractured, and be located at the hollow sleeve
Axially-extending line on.It is fixed by the bracket the general location that entire resetting apparatus is located on shin bone, based on positioning element in
The layout designs of empty set position more precisely determine subsequent in shin bone uplifting window position and tibial plateau articular step-off bone
Roll over the moving line that stick is pushed up in reseting procedure.The resetting apparatus energy of tibial plateau articular step-off fracture based on the utility model
It is enough accurately to jack up the fracture face collapsed, and other normal articular surfaces are not influenced, to improve the effect of operation.
Foregoing description is only the description to the utility model preferred embodiment, not to any limit of the scope of the utility model
Fixed, any change, the modification that the those of ordinary skill in the utility model field does according to the disclosure above content belong to right and want
Seek the protection scope of book.
Claims (6)
1. a kind of resetting apparatus of tibial plateau articular step-off fracture characterized by comprising bracket, positioning element and in
Empty set, wherein the shape of the bracket matches with tibial plateau articular surface shape;The hollow sleeve is set to bracket
On, the positioning element is set to one end of bracket, the position that the positioning element can be fractured by tibial plateau articular step-off
It accommodates, and is located on the axially-extending line of the hollow sleeve.
2. the resetting apparatus of tibial plateau articular step-off fracture as described in claim 1, which is characterized in that the bracket
Shape is that " 7 " font, the positioning element are set to down the short side end of " 7 " font.
3. the resetting apparatus of tibial plateau articular step-off fracture as claimed in claim 2, which is characterized in that the positioning region
Part is a bulge-structure.
4. the resetting apparatus of tibial plateau articular step-off fracture as described in claim 1, which is characterized in that further include leading
Needle, the guide pin can reach tibial plateau articular step-off fracture along the axially-extending line of the hollow sleeve.
5. the resetting apparatus of tibial plateau articular step-off fracture as claimed in claim 4, which is characterized in that further include hollow
It is unbearable, the window of the hollow unbearable pulp cavity for opening up guide pin insertion shin bone on shin bone using the guide pin as rotary shaft.
6. the resetting apparatus of tibial plateau articular step-off fracture as claimed in claim 5, which is characterized in that further include hollow
Stick is pushed up, the hollow top stick can move to tibial plateau articular step-off fracture lower section along the guide pin.
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CN201821258900.6U CN209153925U (en) | 2018-08-06 | 2018-08-06 | The resetting apparatus of tibial plateau articular step-off fracture |
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CN201821258900.6U CN209153925U (en) | 2018-08-06 | 2018-08-06 | The resetting apparatus of tibial plateau articular step-off fracture |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109009375A (en) * | 2018-08-06 | 2018-12-18 | 上海市第五人民医院 | The resetting apparatus and its application method of tibial plateau articular step-off fracture |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109009375A (en) * | 2018-08-06 | 2018-12-18 | 上海市第五人民医院 | The resetting apparatus and its application method of tibial plateau articular step-off fracture |
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