CN104840231A - Osteotomy plate and tibial osteotomy method - Google Patents
Osteotomy plate and tibial osteotomy method Download PDFInfo
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- CN104840231A CN104840231A CN201510272706.8A CN201510272706A CN104840231A CN 104840231 A CN104840231 A CN 104840231A CN 201510272706 A CN201510272706 A CN 201510272706A CN 104840231 A CN104840231 A CN 104840231A
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- osteotomy
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/14—Surgical saws ; Accessories therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/14—Surgical saws ; Accessories therefor
- A61B17/15—Guides therefor
- A61B17/154—Guides therefor for preparing bone for knee prosthesis
- A61B17/157—Cutting tibia
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- Oral & Maxillofacial Surgery (AREA)
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- Medical Informatics (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Transplantation (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Physical Education & Sports Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention provides an osteotomy plate and a tibial osteotomy method. The osteotomy plate comprises a fixing plate and a guide plate. The guide plate is connected with the fixing plate and is protruded out of the fixing plate along the direction which is perpendicular to plate surfaces of the fixing plate, and an osteotomy groove is formed in the guide plate along the directions of the plate surfaces of the fixing plate. According to the technical scheme, the osteotomy plate and the tibial osteotomy method have the advantages that the osteotomy plate is simple in structure and is light, the single tool can have functions of four or five tools in the prior art, and accordingly osteotomy operation can be simplified; the osteotomy plate is in an integral design, accordingly, cracking risks in osteotomy procedures due to diversified welding tools can be prevented, and the problem of osteotomy termination due to breakage of osteotomy tools can be solved; knee joints required to be subjected to osteotomy are subjected to osteotomy at 90-degree flexed positions in osteotomy procedures by the aid of the traditional osteotomy tools, but can be subjected to osteotomy at the 90-degree flexed positions by the osteotomy plate and also can be subjected to osteotomy at extension positions by the osteotomy plate, accordingly, lower extremity force lines can be measured while the knee joints are subjected to osteotomy, and the osteotomy accuracy can be improved.
Description
Technical field
The present invention relates to medical instruments field, in particular to a kind of osteotomy plate and Tibial osteotomy method.
Background technology
Total knee arthroplasty has occurred for a long time, and it mainly by the method for prosthetic knee implant prosthese behind operation tool removing joint position, improves the quality of the life of user, eliminate pain.Wherein, eliminate tibial side focus mainly to be realized by Tibial osteotomy in operation process.In Tibial osteotomy process, need some aids to position, determine osteotomy site, saw blade realizes Expected Results by the osteotomy groove on aid after connecting power.
Common Tibial osteotomy instrument is made up of tibia marrow outside fix system and Tibial osteotomy module usually, installs Tibial osteotomy module carry out Tibial osteotomy by the 3-4 part instrument in tibia marrow outside fix system after realizing location.Existing Tibial osteotomy instrument is mostly by medical stainless steel processing and manufacturing, and adopt Type of Welding to connect between part, have the risk of snapping after knocking energetically, operation tool quantity is many, and cause instrument heavy, manufacturing cost is high.Because the operating habit of every doctor on operating-table is different, the benchmark of regioselective is also not quite similar, cause the precision of osteotomy inadequate, prior art can only adopt 90 ° of flexing position osteotomy in operation simultaneously, well can not ensure the accurate of the lower limb line of force and gap balance.
Existing osteotomy instrument has following defect: number of tools is many, heavy, cost of manufacture are high; The positioning datum difference selected due to operator in osteotomy process causes osteotomy not accurate; Osteotomy complicated operation, the time is long; Existing osteotomy instrument, mostly by different weld parts, due to knocking energetically in osteotomy process, can cause instrument to snap in bond pad locations, cause osteotomy to complete; Existing Tibial osteotomy instrument can only adopt knee joint 90 ° of flexing positions to carry out osteotomy in osteotomy process, can not ensure the accurate of the whole lower limb line of force and soft tissue balance in osteotomy process.
Summary of the invention
Main purpose of the present invention is to provide a kind of osteotomy plate and Tibial osteotomy method, to solve the problem that osteotomy number of tools of the prior art is many, heavy, cost of manufacture are high.
To achieve these goals, according to an aspect of the present invention, provide a kind of osteotomy plate, comprising: fixing head; Guide plate, be connected with fixing head and protrude from fixing head along the direction perpendicular to the plate face of fixing head, the direction, plate face along fixing head on guide plate offers osteotomy groove.
Further, osteotomy plate also comprises handle, and handle is connected with fixing head and direction, plate face along fixing head protrudes from fixing head.
Further, handle on one section of fixing head, offer line of force measured hole, line of force measured hole is offered along perpendicular to the direction in the plate face of fixing head.
Further, guide plate is connected to one end of the close handle of fixing head.
Further, fixing head comprises insertion end, and the side towards insertion end of guide plate is arcs of recesses.
Further, fixing head comprises insertion end, and the thickness of one section of the close insertion end of fixing head reduces gradually.
Further, fixing head comprises insertion end, and the distance of one end distance fixing head of the close insertion end of osteotomy groove is greater than the distance of the distance fixing head of the one end away from insertion end of osteotomy groove.
Further, the span of the angle between the plate face of osteotomy groove and fixing head is for being greater than 0 degree, being less than or equal to 6 degree.
Further, the angle between the plate face of osteotomy groove and fixing head is 3 degree.
According to a further aspect in the invention, provide a kind of Tibial osteotomy method, comprising: adopt above-mentioned osteotomy plate; Be inserted into by the fixing head of osteotomy plate in the gap be between the femur of straight configuration and the tibia treating osteotomy also fixing, the guide plate of osteotomy plate is positioned at the tibia side for the treatment of osteotomy; Make osteotomy saw blade through the osteotomy groove on guide plate and the tibia treating osteotomy carries out osteotomy.
Apply technical scheme of the present invention, osteotomy plate structure is simple, weight is light, 1 instrument realizes the function that in prior art, 4,5 instruments realize, simplify osteotomy operation, because osteotomy plate of the present invention is integrated design, therefore avoid the risk that multiple soldering appliance snaps in osteotomy process, avoid the problem because osteotomy broken tool makes osteotomy stop.In addition, traditional osteotomy instrument needs to treat that the knee joint of osteotomy adopts 90 ° of flexing positions to carry out osteotomy in osteotomy process, and osteotomy plate of the present invention both can 90 ° of flexing position osteotomy, also an osteotomy can stretched simultaneously, therefore can carry out the measurement of the lower limb line of force while osteotomy, improve the accuracy of osteotomy.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the front view of the embodiment according to osteotomy plate of the present invention; And
Fig. 2 shows the sectional view of the embodiment according to osteotomy plate of the present invention.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
The invention provides a kind of osteotomy plate, as illustrated in fig. 1 and 2, this osteotomy plate comprises: fixing head 1; Guide plate 3, be connected with fixing head 1 and protrude from fixing head 1 along the direction perpendicular to the plate face of fixing head 1, the direction, plate face along fixing head 1 on guide plate 3 offers osteotomy groove 2.
Fixing head 1 is in use inserted in the gap between tibia and femur by osteotomy plate of the present invention, to locate osteotomy plate, utilizes the osteotomy groove 2 on guide plate 3 to lead for osteotomy saw blade afterwards, realizes osteotomy operation.Therefore osteotomy plate structure of the present invention is simple, weight is light, 1 instrument realizes the function that in prior art, 4,5 instruments realize, simplify osteotomy operation, because osteotomy plate of the present invention is integrated design, therefore avoid the risk that multiple soldering appliance snaps in osteotomy process, avoid the problem because osteotomy broken tool makes osteotomy stop.In addition, traditional osteotomy instrument needs to treat that the knee joint of osteotomy adopts 90 ° of flexing positions to carry out osteotomy in osteotomy process, and osteotomy plate of the present invention both can 90 ° of flexing position osteotomy, also an osteotomy can stretched simultaneously, therefore can carry out the measurement of the lower limb line of force while osteotomy, improve the accuracy of osteotomy.
Preferably, osteotomy plate also comprises handle 4, and handle 4 is connected with fixing head 1 and direction, plate face along fixing head 1 protrudes from fixing head 1.Because the gap of femur and tibia is very little, by holding handle 4 in osteotomy process, the effect of lever can be played, is convenient to the insertion of fixing head 1.In addition osteotomy operator can hold osteotomy plate in osteotomy process, to realize more accurate osteotomy operation.
Preferably, handle 4 on one section of fixing head 1, offer line of force measured hole 5, line of force measured hole 5 is offered along the direction in the plate face perpendicular to fixing head 1.Osteotomy operator by line of force bar through line of force measured hole 5, can measure the line of force of whole lower limb in osteotomy process, improves the accurate of the whole lower limb line of force and soft tissue balance.
Preferably, guide plate 3 is connected to one end of the close handle 4 of fixing head 1.
Preferably, fixing head 1 comprises insertion end, and the side towards insertion end of guide plate 3 is arcs of recesses.Guide plate 3 side of arc can effectively and tibial plateau profile radian fit, fixing with guiding in order to play a part in osteotomy process.
Preferably, fixing head 1 comprises insertion end, and the thickness of one section of the close insertion end of fixing head 1 reduces gradually.Can be convenient to like this in gap that fixing head 1 is inserted between tibia and femur.
Preferably, fixing head 1 comprises insertion end, and the distance of one end distance fixing head 1 of the close insertion end of osteotomy groove 2 is greater than the distance of the distance fixing head 1 of the one end away from insertion end of osteotomy groove 2.Namely osteotomy groove 2 is in arranging obliquely.
Preferably, the span of the angle between the plate face of osteotomy groove 2 and fixing head 1 is for being greater than 0 degree, being less than or equal to 6 degree.More preferably, the angle between the plate face of osteotomy groove 2 and fixing head 1 is 3 degree.
Preferably, osteotomy plate is overall POM material Integral design.
According to another aspect of the present invention, additionally provide a kind of Tibial osteotomy method, comprising: adopt above-mentioned osteotomy plate; Be inserted into by the fixing head 1 of osteotomy plate in the gap be between the femur of straight configuration and the tibia treating osteotomy also fixing, the guide plate 3 of osteotomy plate is positioned at the tibia side for the treatment of osteotomy; Make osteotomy saw blade through the osteotomy groove 2 on guide plate 3 and the tibia treating osteotomy carries out osteotomy.
In addition, after fixing head 1 is inserted into the gap between femur and tibia, the curved edge of guide plate 3 and tibial plateau cylindrical are fitted, thus determine that osteotomy site play the guiding role when osteotomy simultaneously.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an osteotomy plate, is characterized in that, comprising:
Fixing head (1);
Guide plate (3), be connected with described fixing head (1) and protrude from described fixing head (1) along the direction perpendicular to the plate face of described fixing head (1), the direction, plate face along described fixing head (1) on described guide plate (3) offers osteotomy groove (2).
2. osteotomy plate according to claim 1, it is characterized in that, described osteotomy plate also comprises handle (4), and described handle (4) is connected with described fixing head (1) and direction, plate face along described fixing head (1) protrudes from described fixing head (1).
3. osteotomy plate according to claim 2, it is characterized in that, described handle (4) on one section of described fixing head (1), offer line of force measured hole (5), described line of force measured hole (5) is offered along the direction perpendicular to the plate face of described fixing head (1).
4. osteotomy plate according to claim 2, is characterized in that, described guide plate (3) is connected to one end of the close described handle (4) of described fixing head (1).
5. osteotomy plate according to claim 1, is characterized in that, described fixing head (1) comprises insertion end, and the side towards described insertion end of described guide plate (3) is arcs of recesses.
6. osteotomy plate according to claim 1, is characterized in that, described fixing head (1) comprises insertion end, and the thickness of one section of the close described insertion end of described fixing head (1) reduces gradually.
7. osteotomy plate according to claim 1, it is characterized in that, described fixing head (1) comprises insertion end, and one end of the close described insertion end of described osteotomy groove (2) is greater than one end away from described insertion end of described osteotomy groove (2) apart from the distance of described fixing head (1) apart from the distance of described fixing head (1).
8. osteotomy plate according to claim 1, is characterized in that, the span of the angle between the plate face of described osteotomy groove (2) and described fixing head (1) is for being greater than 0 degree, being less than or equal to 6 degree.
9. osteotomy plate according to claim 1, is characterized in that, the angle between the plate face of described osteotomy groove (2) and described fixing head (1) is 3 degree.
10. a Tibial osteotomy method, is characterized in that, comprising:
Adopt the osteotomy plate according to any one of claim 1 to 9;
Be inserted into by the fixing head (1) of described osteotomy plate in the gap be between the femur of straight configuration and the tibia treating osteotomy also fixing, the guide plate (3) of described osteotomy plate is positioned at the tibia side for the treatment of osteotomy;
Make osteotomy saw blade through the osteotomy groove (2) on described guide plate (3) and the tibia treating osteotomy carries out osteotomy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510272706.8A CN104840231A (en) | 2015-05-25 | 2015-05-25 | Osteotomy plate and tibial osteotomy method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510272706.8A CN104840231A (en) | 2015-05-25 | 2015-05-25 | Osteotomy plate and tibial osteotomy method |
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| CN104840231A true CN104840231A (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510272706.8A Pending CN104840231A (en) | 2015-05-25 | 2015-05-25 | Osteotomy plate and tibial osteotomy method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112494098A (en) * | 2020-12-24 | 2021-03-16 | 山东大学齐鲁医院(青岛) | Tibial plateau cuts bone power line verification device |
| WO2022143423A1 (en) * | 2020-12-31 | 2022-07-07 | 北京长木谷医疗科技有限公司 | Tibial guide plate for total knee arthroplasty and use method thereof |
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| CN101801285A (en) * | 2007-09-21 | 2010-08-11 | 德普伊国际有限公司 | Adjustable surgical instrument |
| CN101959474A (en) * | 2008-03-03 | 2011-01-26 | 史密夫和内修有限公司 | Low profile patient specific cutting blocks for a knee joint |
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2015
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112494098A (en) * | 2020-12-24 | 2021-03-16 | 山东大学齐鲁医院(青岛) | Tibial plateau cuts bone power line verification device |
| WO2022143423A1 (en) * | 2020-12-31 | 2022-07-07 | 北京长木谷医疗科技有限公司 | Tibial guide plate for total knee arthroplasty and use method thereof |
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Application publication date: 20150819 |