CN209187076U - A kind of tibial plateau prosthese - Google Patents
A kind of tibial plateau prosthese Download PDFInfo
- Publication number
- CN209187076U CN209187076U CN201821631929.4U CN201821631929U CN209187076U CN 209187076 U CN209187076 U CN 209187076U CN 201821631929 U CN201821631929 U CN 201821631929U CN 209187076 U CN209187076 U CN 209187076U
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- CN
- China
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- liner
- shin bone
- tibial plateau
- connecting platform
- plateau prosthese
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Abstract
The utility model discloses a kind of tibial plateau prostheses, comprising: shin bone liner；Tibial component is detachably connected the shin bone liner, comprising: liner connecting platform, for ellipse, side has arc notch；Shin bone column, connecting platform is padded described in its integrally connected, vertical setting is below the liner connecting platform, the shin bone column of the utility model is vertical with liner connecting platform, Horizontal osteotomy directly can be carried out to shin bone, and the included hypsokinesis angle of prosthese is padded by shin bone and restores patient's shin bone physiology hypsokinesis angle.
Description
Technical field
The utility model relates to medical instruments field more particularly to a kind of tibial plateau prostheses.
Background technique
In replacement knee in arthroplasty, carrying shin bone pads prosthese above tibial plateau prosthese, and lower section is fixed with shin bone.It is existing
For some tibial plateau prostheses in order to improve the enabling capabilities of platform, usually lower box type column is thicker.Shin bone liner with tibial plateau it
Between locking be mostly buckle-type locking.To meet the needs of Tibia Anatomy student manages back rake angle, the column and platform of tibial plateau
Between angle be usually designed to patient's hypsokinesis angle be adapted angle, thus the buckling during increasing motion of knee joint
Angle.Box type column is thicker under existing tibial plateau prosthese, and stress is also easy to produce during tibial plateau prosthese transmits stress and is hidden
Effect is kept off, meanwhile, in order to accommodate column, needs for shin bone pulp cavity to be processed into the shape being adapted with column, will cause tibial bone
Being largely lost for amount, reduces the fixed effect of tibial plateau prosthese, delays patient's symphysis.Shin bone liner and tibial plateau
Between only by buckle-type lock easily occur shin bone liner tibial plateau between fine motion, grind shin bone pad back
Damage, wear debris will cause bone solubility effect.If angled between tibial plateau prosthese column and platform, need to shin bone
The hypsokinesis osteotomy for carrying out respective angles can cut out more bone amount compared with the osteotomy perpendicular to shin bone, reduce shin bone to shin bone
The support strength of component.
Utility model content
The utility model has designed and developed a kind of tibial plateau prosthese, and shin bone column is vertical with liner connecting platform, can be straight
It connects and Horizontal osteotomy is carried out to shin bone, and the included hypsokinesis angle of prosthese is padded by shin bone and restores patient's shin bone physiology back rake angle
Degree.
Technical solution provided by the utility model are as follows:
A kind of tibial plateau prosthese, comprising:
Shin bone liner comprising:
Support column；
Liner, for ellipse, side has hypsokinesis protrusion, and the support column is arranged in the liner side；
Tibial component is detachably connected the shin bone liner, comprising:
Connecting platform is padded, for ellipse, side has arc notch；
Shin bone column pads connecting platform described in integrally connected, and vertical setting is below the liner connecting platform.
Preferably, the cushion bottom has multiple grooves, and the groove extends along the gasket height direction.
Preferably, the liner connecting platform surface has multiple pillars, and the pillar can be put into the groove.
Preferably, the groove location of the liner has the transverse concave groove along the gasket width direction.
Preferably, further includes: locking rod comprising:
It wears and connects end, be cylindricality；
Locking end wears described in integrally connected and connects end, and connects end with described wear and have certain angle；
Wherein, the locking rod can be put into the transverse concave groove.
Preferably, the shin bone column includes:
Newel, top have bevel angle；
Conducting structure is separately positioned on the newel two sides for sector, and the conducting structure surface has multiple battle arrays
The groove of column distribution.
Preferably, the shin bone column includes:
Newel, top have bevel angle；
Wings, for sector, circumference array is distributed in the newel surrounding.
Preferably, the hypsokinesis protrusion inclination angle of the liner is 0 ° -7 °.
A kind of tibial plateau prosthese, comprising:
Shin bone liner comprising:
Liner, for ellipse, side has hypsokinesis protrusion；
Support column is arranged in the liner side；
Connection bump, for ellipse, side has arc notch, pads described in the connection bump integrally connected, institute
Stating has multiple elastic pieces on the outside of connection bump；
Tibial component is detachably connected the shin bone liner, comprising:
Connecting platform is padded, for ellipse, side has arc notch；
Shin bone column pads connecting platform described in integrally connected, and vertical setting is below the liner connecting platform.
Preferably, the liner connecting platform includes:
Heelpiece, for ellipse, side has arc notch；
Surrounding edge, is centered around the heelpiece surrounding, and the surrounding edge has multiple locking protrusions；
Wherein, the liner connecting platform can accommodate the connection bump, and the elastic piece can be connected to the lock
Only in protrusion.
Beneficial effect described in the utility model
Tibial plateau prosthese provided by the utility model, it is vertical with platform using tibial component column, shin bone can be carried out
Vertical osteotomy is not necessarily to hypsokinesis osteotomy, and the shin bone liner by carrying hypsokinesis angle restores patient's shin bone physiology hypsokinesis angle, retains
Shin bone bone amount, improves shin bone to the support strength of tibial component.The column of four wing structure of tibial plateau prosthese fin-shaped is not only
The enough support strengths of platform can be given, prevent tibial plateau prosthese from rotating on shin bone, moreover it is possible to which the stress for reducing prosthese hides
Effect is kept off, to enhance fixed effect of the tibial plateau prosthese on shin bone.Between tibial plateau prosthese and shin bone liner prosthese
It can not only realize that shin bone pads fixation of the prosthese on tibial plateau prosthese by the structure that locking rod locks, moreover it is possible to prevent two
Fine motion occurs between person, to reduce the abrasion at shin bone liner prosthese back, prevents the generation of bone dissolution phenomena.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of tibial plateau prosthese described in the utility model.
Fig. 2 is the side view of shin bone described in the utility model liner.
Fig. 3 is the rearview of shin bone described in the utility model liner.
Fig. 4 is the side view of tibial component described in the utility model.
Fig. 5 is the rearview of tibial component described in the utility model.
Fig. 6 is the structural schematic diagram of locking rod described in the utility model.
Fig. 7 is the structural schematic diagram of locking rod described in the utility model and the tibial component.
Fig. 8 connects rearview with the tibial component for locking rod described in the utility model.
Fig. 9 is the structural schematic diagram that shin bone described in the utility model pads another embodiment.
Figure 10 is the structural schematic diagram of another embodiment of tibial component described in the utility model.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art referring to explanation
Book text can be implemented accordingly.
As shown in Figure 1, tibial plateau prosthese provided by the utility model includes: that shin bone pads 110,120 and of tibial component
Locking rod 130.
As shown in Figure 2,3, shin bone liner 110 includes support column 111 and liner 112, and liner 112 is ellipse, side tool
There is hypsokinesis protrusion, as a preference, the hypsokinesis protrusion inclination angle of liner is 0 ° -7 °, 112 bottoms of liner have multiple grooves
112a, groove 112a extend along gasket height direction；Wherein, the setting of support column 111 is padding 112 sides.Liner 112 it is recessed
The position slot 112a has the transverse concave groove 112b along the gasket width direction.
As shown in Figure 4,5, tibial component 120 is detachably connected 110 lower section of shin bone liner, comprising: liner connecting platform 121
With shin bone column 122, padding connecting platform 121 is ellipse, and side has arc notch；122 integrally connected of shin bone column lining
Connecting platform 121 is padded, vertical setting is below liner connecting platform 121.Padding 121 surface of connecting platform has multiple pillars
121a, pillar 121a can be put into groove 112a.
As shown in fig. 6, locking rod 130 includes: to wear to connect end 131 and locking end 132, wearing and connecing end 131 is cylindricality；Locking end
132 integrally connecteds, which are worn, connects end, and connects end with certain angle with wearing, and angle is 5 ° -8 °.
As shown in Figure 7,8, in use, the pillar 121a of tibial component 120 can be put into the groove of shin bone liner 110
In 112a, then locking rod 130 is put into transverse concave groove 112b, the wearing of locking rod connects end 131 and is put into transverse concave groove 112b,
On the inside of pillar 121a, locking end 132 is located on the outside of pillar 121a, further fixes shin bone liner 110 and tibial component
120。
As shown in Figure 10, shin bone column 122 includes: newel 123 and conducting structure 124, and newel 123 is cylindricality,
Top has bevel angle；Conducting structure 124 is sector, is separately positioned on newel two sides, and 124 surface of conducting structure has multiple
The groove of array distribution.
As shown in figure 5, in another embodiment, shin bone column 122 includes: that newel 122a is cylindricality, and top has
Bevel angle；Wings 124b is sector, and circumference array is distributed in the newel surrounding.
As shown in Figures 9 and 10, in another embodiment, shin bone liner 110 is connected with tibial component 120 by buckle structure,
Including liner 222, it is circle to shin bone liner 110, and side has hypsokinesis raised；Connection bump 223 is ellipse, and side has
Arc notch, 223 integrally connected of connection bump liner 222.
Liner connecting platform 121 includes: heelpiece 233 and surrounding edge 234, and heelpiece 233 is ellipse, and side is lacked with arc
Mouthful；Surrounding edge 234 is centered around 233 surrounding of heelpiece, and heelpiece 233 and surrounding edge 234 surround the irregular groove structure of composition, can accommodate
Connection bump 223 has multiple elastic pieces 224 on the outside of connection bump 223, and surrounding edge tool 234 has multiple locking protrusions 235, elasticity
Piece 224 can be connected in locking protrusion 235.
In another embodiment, in order to preferably transmit stress, tibial component 120 is made of alloy material, shin bone liner
Material selection high molecular material.
The column 122 of tibial plateau prosthese is vertical with liner connecting platform 121 when use, can directly carry out to patient's shin bone
Horizontal osteotomy.The included hypsokinesis angle of prosthese, which is padded, by shin bone restores patient's shin bone physiology hypsokinesis angle.Tibial plateau prosthese
The column of four wing structure of fin-shaped can play the role of cantilever beam support to platform, simultaneously as column cross-section product is smaller, it can
To reduce the stress-shielding effect of tibial plateau prosthese.Four wing structures can prevent from rotating between tibial plateau and shin bone.
The protrusion of tibial plateau prosthese platform rear is embedded into the groove of shin bone liner prosthese, can limit shin bone liner in tibial plateau
Rotary motion on prosthese, meanwhile, locking rod is embedded into the gap in front of tibial plateau prosthese and shin bone liner prosthese, it can
Limit translational motion of the shin bone liner prosthese on tibial plateau.
Tibial plateau prosthese provided by the utility model, it is vertical with platform using tibial component column, shin bone can be carried out
Vertical osteotomy is not necessarily to hypsokinesis osteotomy, and the shin bone liner by carrying hypsokinesis angle restores patient's shin bone physiology hypsokinesis angle, retains
Shin bone bone amount, improves shin bone to the support strength of tibial component.The column of four wing structure of tibial plateau prosthese fin-shaped is not only
The enough support strengths of platform can be given, prevent tibial plateau prosthese from rotating on shin bone, moreover it is possible to which the stress for reducing prosthese hides
Effect is kept off, to enhance fixed effect of the tibial plateau prosthese on shin bone.Between tibial plateau prosthese and shin bone liner prosthese
It can not only realize that shin bone pads fixation of the prosthese on tibial plateau prosthese by the structure that locking rod locks, moreover it is possible to prevent two
Fine motion occurs between person, to reduce the abrasion at shin bone liner prosthese back, prevents the generation of bone dissolution phenomena.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (10)
1. a kind of tibial plateau prosthese characterized by comprising
Shin bone liner comprising:
Support column；
Liner, for ellipse, side has hypsokinesis protrusion, and the support column is arranged in the liner side；
Tibial component is detachably connected the shin bone liner, comprising:
Connecting platform is padded, for ellipse, side has arc notch；
Shin bone column pads connecting platform described in integrally connected, and vertical setting is below the liner connecting platform.
2. tibial plateau prosthese according to claim 1, which is characterized in that the cushion bottom has multiple grooves, institute
Groove is stated to extend along the gasket height direction.
3. tibial plateau prosthese according to claim 2, which is characterized in that the liner connecting platform surface has multiple
Pillar, the pillar can be put into the groove.
4. tibial plateau prosthese according to claim 3, which is characterized in that the groove location of the liner has along institute
State the transverse concave groove in gasket width direction.
5. tibial plateau prosthese according to claim 4, which is characterized in that further include: locking rod comprising:
It wears and connects end, be cylindricality；
Locking end wears described in integrally connected and connects end, and connects end with described wear and have certain angle；
Wherein, the locking rod can be put into the transverse concave groove.
6. tibial plateau prosthese according to claim 5, which is characterized in that the shin bone column includes:
Newel, top have bevel angle；
Conducting structure is separately positioned on the newel two sides, the conducting structure surface is with multiple arrays point for sector
The groove of cloth.
7. tibial plateau prosthese according to claim 5, which is characterized in that the shin bone column includes:
Newel, top have bevel angle；
Wings, for sector, circumference array is distributed in the newel surrounding.
8. tibial plateau prosthese according to claim 2, which is characterized in that the hypsokinesis protrusion inclination angle of the liner be 0 °-
7°。
9. a kind of tibial plateau prosthese characterized by comprising
Shin bone liner comprising:
Liner, for ellipse, side has hypsokinesis protrusion；
Support column is arranged in the liner side；
Connection bump, for ellipse, side has arc notch, pads described in the connection bump integrally connected, the company
Connecing has multiple elastic pieces on the outside of protrusion；
Tibial component is detachably connected the shin bone liner, comprising:
Connecting platform is padded, for ellipse, side has arc notch；
Shin bone column pads connecting platform described in integrally connected, and vertical setting is below the liner connecting platform.
10. tibial plateau prosthese according to claim 9, which is characterized in that the liner connecting platform includes:
Heelpiece, for ellipse, side has arc notch；
Surrounding edge, is centered around the heelpiece surrounding, and the surrounding edge has multiple locking protrusions；
Wherein, the liner connecting platform can accommodate the connection bump, and it is convex that the elastic piece can be connected to the locking
On rising.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821631929.4U CN209187076U (en) | 2018-10-09 | 2018-10-09 | A kind of tibial plateau prosthese |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821631929.4U CN209187076U (en) | 2018-10-09 | 2018-10-09 | A kind of tibial plateau prosthese |
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| Publication Number | Publication Date |
|---|---|
| CN209187076U true CN209187076U (en) | 2019-08-02 |
Family
ID=67407474
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821631929.4U Active CN209187076U (en) | 2018-10-09 | 2018-10-09 | A kind of tibial plateau prosthese |
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| CN (1) | CN209187076U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114712042A (en) * | 2022-06-10 | 2022-07-08 | 北京爱康宜诚医疗器材有限公司 | Lock clip extractor |
| CN114732571A (en) * | 2022-06-10 | 2022-07-12 | 北京爱康宜诚医疗器材有限公司 | Knee joint prosthesis and locking clamp thereof |
-
2018
- 2018-10-09 CN CN201821631929.4U patent/CN209187076U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114712042A (en) * | 2022-06-10 | 2022-07-08 | 北京爱康宜诚医疗器材有限公司 | Lock clip extractor |
| CN114732571A (en) * | 2022-06-10 | 2022-07-12 | 北京爱康宜诚医疗器材有限公司 | Knee joint prosthesis and locking clamp thereof |
| CN114712042B (en) * | 2022-06-10 | 2022-10-14 | 北京爱康宜诚医疗器材有限公司 | Lock clip extractor |
| CN114732571B (en) * | 2022-06-10 | 2022-10-14 | 北京爱康宜诚医疗器材有限公司 | Knee joint prosthesis and locking clamp thereof |
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