CN204931906U - A kind of visual tibial prosthesis measuring device - Google Patents
A kind of visual tibial prosthesis measuring device Download PDFInfo
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- CN204931906U CN204931906U CN201520623058.1U CN201520623058U CN204931906U CN 204931906 U CN204931906 U CN 204931906U CN 201520623058 U CN201520623058 U CN 201520623058U CN 204931906 U CN204931906 U CN 204931906U
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- base plate
- tibial prosthesis
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- measuring device
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Abstract
This utility model relates to a kind of visual tibial prosthesis measuring device, belongs to technical field of medical instruments.This visual tibial prosthesis measuring device comprises transparent arc combination base plate and is positioned at the scale in the plane of described transparent arc combination base plate, and this transparent arc combination base plate has linear edge and the arcuate edge end to end with this linear edge; Scale is inwardly arranged by described arcuate edge, the tibial prosthesis model that labelling position is corresponding.Thus can this utility model be utilized, after arc combination base plate that this is transparent is placed on tibial plateau, the magnitude relationship between the surface of the osteotomy after osteotomy and base plate is observed easily by dianegative, and by the scale determination tibial prosthesis size on base plate, and then improve measurement accuracy, promote procedure efficiency, reduce patient painful, and visual tibial prosthesis measuring device structure of the present utility model is simple, measuring method is easy, applied widely.
Description
Technical field
This utility model relates to technical field of medical instruments, particularly prosthese field of measuring technique, specifically refers to a kind of visual tibial prosthesis measuring device.
Background technology
Single condyle replacement (unicondylarkneearthroplasty, UKA) is the one of knee prosthesis, and advantage is that wound is little, and otch is little, and wound is light.Prosthesis size is needed at utmost to mate to reach best surgical effect.Current single condyle prosthese used, tibia has sizes to select in art.But because otch is little, cause limited view in art, observe unclear.The prosthese selecting suitable dimension is more difficult problem always.
Needed for current measurement used, the method for prosthesis size is, after completing Tibial osteotomy, the template of different size is put into osteotomy rear surface as shown in Figure 1, covers best to be defined as prosthesis size.But this method exists many problems, first, template is metal, the osteotomy rear surface below covering completely, even if bigger than normal being also difficult to of template finds.In addition, because operation is for Micro-operation, otch is little, be difficult to definite observe the prosthesis size whether suitable (especially to the covering at rear) select, easily there is error in many dependence patient experiences.Therefore, how Measurement accuracy tibial prosthesis size, selects most suitable prosthese, improves procedure efficiency, becomes this technical field problem demanding prompt solution.
Utility model content
The purpose of this utility model overcomes above-mentioned shortcoming of the prior art, there is provided a kind of can by dianegative observe easily the osteotomy after osteotomy surface and base plate between magnitude relationship, and by the scale determination tibial prosthesis size on base plate, thus raising measurement accuracy, promote procedure efficiency, reduce patient painful, and structure is simple, visual tibial prosthesis measuring device easy to use.
In order to realize above-mentioned object, visual tibial prosthesis measuring appliance of the present utility model has following formation:
This visual tibial prosthesis measuring device comprises transparent arc combination base plate and is positioned at the scale in the plane of described transparent arc combination base plate.This transparent arc combination base plate has linear edge and the arcuate edge end to end with this linear edge; Scale is inwardly arranged by described arcuate edge, the tibial prosthesis model that labelling position is corresponding.
In this visual tibial prosthesis measuring device, also comprise the handle being fixed on linear edge one end on described transparent arc combination base plate.
In this visual tibial prosthesis measuring device, also comprise the positive stop hook being fixed on the linear edge other end on described transparent arc combination base plate.
The visual tibial prosthesis measuring device that have employed this utility model comprises transparent arc combination base plate and is positioned at the scale in the plane of described transparent arc combination base plate, and this transparent arc combination base plate has linear edge and the arcuate edge end to end with this linear edge; Scale is inwardly arranged by described arcuate edge, the tibial prosthesis model that labelling position is corresponding.Thus can this utility model be utilized, after arc combination base plate that this is transparent is placed on tibial plateau, the magnitude relationship between the surface of the osteotomy after osteotomy and base plate is observed easily by dianegative, and by the scale determination tibial prosthesis size on base plate, and then improve measurement accuracy, promote procedure efficiency, reduce patient painful, and visual tibial prosthesis measuring device structure of the present utility model is simple, measuring method is easy, applied widely.
Accompanying drawing explanation
Fig. 1 has been the tibial plateau schematic diagram after Tibial osteotomy.
Fig. 2 is the structural representation of visual tibial prosthesis measuring device of the present utility model.
Detailed description of the invention
In order to more clearly understand technology contents of the present utility model, describe in detail especially exemplified by following examples.
Referring to shown in Fig. 2, is the structural representation of visual tibial prosthesis measuring device of the present utility model.
In one embodiment, this visual tibial prosthesis measuring device comprises transparent arc combination base plate 1 and the scale 4 be positioned in the plane of described transparent arc combination base plate 1.Described transparent arc combination base plate 1 has linear edge 11 and the arcuate edge 12 end to end with this linear edge 11; Scale 4 is inwardly arranged by described arcuate edge 12, the tibial prosthesis model a-e that labelling position is corresponding.
The tibial prosthesis measuring method utilizing the visual tibial prosthesis measuring device described in this embodiment to realize comprises the following steps:
(1) described transparent arc combination base plate is positioned on tibial plateau;
(2) by the scale at the place, edge of the tibial plateau described in described transparent arc combination base plate observation, according to this scale determination tibial prosthesis model.
In a preferred embodiment, this visual tibial prosthesis measuring device also comprises the handle 2 being fixed on linear edge one end on described transparent arc combination base plate 1.
In the tibial prosthesis measuring method utilizing this preferred embodiment described visual tibial prosthesis measuring device to realize, described step (1) specifically comprises the following steps:
(11) by described handle, described transparent arc combination base plate is positioned on tibial plateau.
In the preferred embodiment of one, this visual tibial prosthesis measuring device also comprises the positive stop hook 3 being fixed on the linear edge other end on described transparent arc combination base plate 1.
In the tibial prosthesis measuring method utilizing the visual tibial prosthesis measuring device described in this preferred embodiment to realize, described step (1) specifically comprises the following steps:
(12) adjusting this transparent arc combination base plate position makes described positive stop hook be arranged in the edge of tibial plateau.
In actual applications, measuring device of the present utility model is made up of handle, combination base plate (having scale A-E) and fixation hook.The base plate that the tibial prosthesis of different model is corresponding is made on same base plate, and base plate is transparent, directly can observe scale.Front is provided with handle, conveniently grips insertion.There is fixation hook at rear, in order to by complete for base plate trailing edge hook in the tibia trailing edge that will measure.
During measurement, be placed on tibial plateau by visual tibial prosthesis measuring device, fixation hook hook, in the most trailing edge of tibia, is guaranteed cannot under eyes direct-view estimate of situation, measuring device trailing edge flushes completely with tibia trailing edge, then then determines prosthese model by direct-view base plate high scale (A-E).If be designated as b, measure and draw use B prosthese.
This visual tibial prosthesis measuring device has the following advantages:
1, integration synthesis, avoids repetitive measurement.
2, rear hook design, definitely catches on tibia trailing edge, avoids measurement error.
3, lamella lucida design, can line-of-sight observation required prosthesis size.
4, operating handle design, handled easily.
The visual tibial prosthesis measuring device that have employed this utility model comprises transparent arc combination base plate and is positioned at the scale in the plane of described transparent arc combination base plate, and this transparent arc combination base plate has linear edge and the arcuate edge end to end with this linear edge; Scale is inwardly arranged by described arcuate edge, the tibial prosthesis model that labelling position is corresponding.Thus can this utility model be utilized, after arc combination base plate that this is transparent is placed on tibial plateau, the magnitude relationship between the surface of the osteotomy after osteotomy and base plate is observed easily by dianegative, and by the scale determination tibial prosthesis size on base plate, and then improve measurement accuracy, promote procedure efficiency, reduce patient painful, and visual tibial prosthesis measuring device structure of the present utility model is simple, measuring method is easy, applied widely.
In this description, this utility model is described with reference to its specific embodiment.But, still can make various amendment and conversion obviously and not deviate from spirit and scope of the present utility model.Therefore, description and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (3)
1. a visual tibial prosthesis measuring device, is characterized in that, comprising:
Transparent arc combination base plate, has linear edge and the arcuate edge end to end with this linear edge; And
Scale, is positioned in the plane of described transparent arc combination base plate, is inwardly arranged by described arcuate edge, the tibial prosthesis model that labelling position is corresponding.
2. visual tibial prosthesis measuring device according to claim 1, is characterized in that, also comprises the handle being fixed on linear edge one end on described transparent arc combination base plate.
3. visual tibial prosthesis measuring device according to claim 2, is characterized in that, also comprises the positive stop hook being fixed on the linear edge other end on described transparent arc combination base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520623058.1U CN204931906U (en) | 2015-08-18 | 2015-08-18 | A kind of visual tibial prosthesis measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520623058.1U CN204931906U (en) | 2015-08-18 | 2015-08-18 | A kind of visual tibial prosthesis measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204931906U true CN204931906U (en) | 2016-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520623058.1U Withdrawn - After Issue CN204931906U (en) | 2015-08-18 | 2015-08-18 | A kind of visual tibial prosthesis measuring device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204931906U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104997578A (en) * | 2015-08-18 | 2015-10-28 | 上海市杨浦区中心医院 | Visual tibial prosthesis measuring device and method |
-
2015
- 2015-08-18 CN CN201520623058.1U patent/CN204931906U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104997578A (en) * | 2015-08-18 | 2015-10-28 | 上海市杨浦区中心医院 | Visual tibial prosthesis measuring device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160106 Effective date of abandoning: 20170517 |