CN103006299A - Adjustable osteotomy plate - Google Patents
Adjustable osteotomy plate Download PDFInfo
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- CN103006299A CN103006299A CN201210534186XA CN201210534186A CN103006299A CN 103006299 A CN103006299 A CN 103006299A CN 201210534186X A CN201210534186X A CN 201210534186XA CN 201210534186 A CN201210534186 A CN 201210534186A CN 103006299 A CN103006299 A CN 103006299A
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- osteotomy plate
- adjustable
- osteotomy
- gathering sill
- plate
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Abstract
The invention relates to an adjustable osteotomy plate comprising an osteotomy plate body, wherein four guide slots in which an osteotomy appliance is inserted are arranged on the osteotomy plate body, the osteotomy plate body is formed by splicing 3 or 4 unit plates which are detachably connected, each unit plate is at least provided with one of the guide slots, and the distances between the guide slots are adjusted by changing the distances between the unit plates. Compared to the conventional osteotomy plate, the adjustable osteotomy plate disclosed by the invention has the advantages that the number of the osteotomy plate is reduced, the costs of the osteotomy plate and an operation are reduced, and the surgical instrument manufacturing technique level is enhanced; by the adoption of protection slots arranged at the end parts of the guide slots, operation staffs are prevented from being scratched by metal filings generated by the guide slots because osteotomy appliances such as a bone saw rub against the guide slots; and an active auxo-action is brought in the miniaturization and modularization development of orthopedic surgical instruments.
Description
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Technical field
The present invention relates to a kind of operating theater instruments of in replacement knee in arthroplasty, using, the adjustable osteotomy plate that uses when particularly condyle of femur being carried out osteotomy.
Background technology
At present, in knee joint condyle of femur replacement operation, at first need to select according to the kneed size of patient the model of the artificial knee joint prosthesis of approximate match, again according to the model of artificial knee joint prosthesis, to condyle of femur carry out osteotomy can with the prosthese Matching installation.In the osteotomy process, need a kind of traditional deep template, also be four unification osteotomy plates, be provided with 4 gathering sills in deep template, the deep apparatus such as bone saw is stretched into by 4 gathering sills condyle of femur is cut mill, and 4 gathering sills along one four unification osteotomy plate carry out osteotomy and can finish operation usually.In operation process, at first need to measure patient's condyle of femur size by the condyle of femur survey tool, determine simultaneously the osteotomy plate installation site; Secondly select the osteotomy plate that is complementary with it according to the size that records condyle of femur, and osteotomy plate is fixed on the condyle of femur far-end; Again the condyle of femur osteotomy is become the polyhedron-shaped and size dimension that is complementary with artificial knee joint prosthesis by deep apparatuses such as bone saws.
Because each patient's condyle of femur size dimension is widely different, the four unification osteotomy plates that need plurality of specifications to be complementary, so traditional deep template of four unifications, the deficiency that the quantity that always existence needs is many, weight large, carry inconvenience, cost is high, therefore, reducing four unification osteotomy plate quantity, weight reduction, optimal design, simplified manufacturing technique, reduce cost, is the problem that domestic and international artificial joint company extremely pays close attention to.
Summary of the invention
For problems of the prior art, the object of the present invention is to provide a kind of adjustable osteotomy plate, this osteotomy plate all is provided with gathering sill by traditional osteotomy plate is divided into a plurality of cell boards on every module unit plate, adjusts the spacing of described gathering sill by the spacing that changes cell board.This mode has not only reduced the quantity of osteotomy plate, has reduced the cost of osteotomy plate and operation, and simple operation, and reliability is high.
To achieve these goals, a kind of adjustable osteotomy plate of the present invention, comprise the osteotomy plate body, offer the gathering sill that 4 deep apparatuses of confession insert on the osteotomy plate body, described osteotomy plate body is spliced by 3 or 4 cell boards that removably connect, at least be provided with a described gathering sill on the every described cell board, adjust the spacing of described gathering sill by the spacing that changes cell board.
Further, be provided with on the described cell board for the connected structure that connects two cell boards, described connected structure comprises plug, jack and locking device, described plug and described jack mutually mate and are separately positioned on two cell boards, described locking device is used for plug is fixed in the jack, it is adjustable that plug enters the degree of depth of jack, and the spacing that enters the degree of depth of jack and then adjust two cell boards by regulating plug.
Further, be provided with length mark on the described plug.
Further, be provided with releasable securing apparatus on the described cell board, described clamp device constraint cell board closely reclines, and is provided with to have certain thickness pad the spacing of regulating described cell board by the described pad of changing different-thickness between the cell board.
Further, described pad is made by elastomeric material.
Further, also be provided with the handle of controlling for operator on the described cell board, described handle is fixed therein on a module unit plate or a few module unit plate by its installing hole is dismountable.
Further, the end of described gathering sill offers be used to avoiding metallic bur power to stab operator's protective trough.
Further, the insertion end of the described deep apparatus insertion of described gathering sill confession is provided with and is convenient to the guide table that deep apparatus enters gathering sill.
Further, described osteotomy plate body cooperates the mode of pin joint to be fixed on the femur by pin and pin-and-hole.
The present invention compares with traditional osteotomy plate, has reduced the quantity of osteotomy plate, has reduced the cost of osteotomy plate and operation, improves the operating theater instruments manufacturing technology level; By in the gathering sill end protective trough being set, avoided because the deep apparatus such as bone saw and gathering sill friction make the metallic bur power scratch operator of gathering sill generation; Make bone surgery set to miniaturization, modularization development active promoting function be arranged.
Description of drawings
Fig. 1 is the sketch map of cell board spacing minimum in the first version of the present invention;
Fig. 2 is the profile of A-A among Fig. 1;
Fig. 3 is the sketch map after the cell board spacing is regulated in the first version of the present invention;
Fig. 4 is the profile of B-B among Fig. 3;
Fig. 5 is the sketch map of the second version of the present invention;
Fig. 6 is the sketch map of the third version of the present invention;
Fig. 7 is the profile of C-C among Fig. 6;
Fig. 8 is the sketch map of cell board spacing minimum in the third version of the present invention.
The specific embodiment
The invention will be further described below in conjunction with specific embodiment.
Shown in Fig. 1-4, the first version for a kind of adjustable osteotomy plate of the present invention, the osteotomy plate body is made of 4 module unit plates, wherein 4 module unit plates are respectively preartis plate 4, front swash plate 5, back incline 6 and postartis plate 7,4 gathering sills 81 are set on the deep body, 82,83,84, these 4 gathering sills 81,82,83,84 are separately positioned on the 4 module unit plates, be provided with on the cell board for the connected structure that connects two cell boards, connected structure comprises plug, jack and locking device, plug is for being with graduated adjustable ruler 3 in the present embodiment, the shape of jack and length and adjustable ruler 3 are complementary, make adjustable ruler 3 can be plugged in the jack and the degree of depth that can regulate insertion, adjust gathering sill 81 by changing insertion depth, 82,83,84 spacing.Adjustable ruler 3 and jack are separately positioned on two adjacent cell boards, locking device is used for plug is fixed in the jack, as long as can be that steady pin or other locking devices can make plug relative with jack fixing, preferably between preartis plate 4 and front swash plate 5, be connected by two connected structures in the present embodiment, be connected by two connected structures between back incline 6 and the postartis plate 7, and be connected by a connected structure between front swash plate 5 and the back incline 6, guaranteed when simplifying the Adjustment operation number of times that like this steadiness of osteotomy plate body construction satisfies the needs of operation.Are connected with back incline at front swash plate 5 and offer the installing hole 1 that common handle (not shown) connects, the effect of handle is better to control adjustable osteotomy plate of the present invention for operator are more enough, is convenient to operation technique.Handle is connected by dismountable mode with installing hole 1, for example is threaded or the straight cutting riveted joint.Gathering sill 81; 82; 83; 84 angles of inclination of offering are prior art; do not give unnecessary details in the present invention; at gathering sill 81; 82; 83; 84 end offers protective trough 2; the effect of protective trough 2 is protection operator; because at deep apparatuses such as bone saws at gathering sill 81; 82; 83; when cutting bone operation is carried out in 84 interior reciprocating motions; unavoidably meeting and gathering sill 81; 82; 83; 84 end phase mutual friction produces metallic bur power; stab operator; and 2 of protective troughs have been opened in the end of the gathering sill 81 that is positioned on the postartis plate 7 in the present embodiment; even if produce like this metallic bur power; because protective trough 2 has certain depth; so that burr can't be stabbed operator, can certainly be arranged on other cell boards.The osteotomy plate body cooperates the mode of pin joint to be fixed on the femur by pin and pin-and-hole, as Fig. 2 and shown in Figure 4, pin 10 arranges on the osteotomy plate body, concrete is fixed on the front swash plate 5, can certainly be fixed on other cell boards, be preferred version on front swash plate 5 and the back incline 6 but be fixed on, and the pin-and-hole (not shown) is opened on the femur, is used for pin 10 fixing.Gathering sill 81,82,83,84 is positioned at the insertion end of inserting for deep apparatus and is provided with guide table 9, and the effect of guide table 9 is to enter gathering sill 81,82,83,84 to deep apparatus to provide guiding, is convenient to entering of deep apparatus, handled easily.In the present embodiment, guide table 9 has been arranged on the gathering sill 81 of the gathering sill 84 that is positioned at preartis plate 4 and postartis plate 7.
In use, at first determine the distance of needs between each gathering sill 81,82,83,84 according to prior measurement, next is regulated adjustable ruler 3 and makes gathering sill 81,82,83,84 spacing and by locking devices such as steady pins adjustable ruler 3 and jack are fixed, gathering sill 81,82,83,84 spacing minimum are seen Fig. 1 and Fig. 2 when adjustable ruler 3 enters jack fully, state when adjustable ruler 3 does not enter jack is fully seen Fig. 3 and Fig. 4, then the osteotomy plate body is fixed on by pin 10 and carries out cutting bone operation on the femur.
As shown in Figure 5, basic identical with the first version for the second specific constructive form of the present invention, its difference is, changes the pin 10 in the first version into pin-and-hole 11, and the pin that matches with pin-and-hole 11 is fixed on the femur.
Such as Fig. 6, Fig. 7 and shown in Figure 8, be the third specific constructive form of the present invention, basic identical with the first version, its difference is, the osteotomy plate body is made of 3 cell boards, comprises back incline 6, postartis plate 7 and header board 11, and 4 gathering sills 81,82,83,84 are set on the deep body, gathering sill 81,82 is separately positioned on postartis plate 7 and the back incline 6, and gathering sill 83,84 is arranged on the header board 11.From another perspective, header board 11 is merging of preartis plate 4 and front swash plate 5 in the first version, and the distance that certainly is applicable in this case between the gathering sill 83,84 does not need to regulate.
Be provided with releasable securing apparatus on the cell board, clamp device constraint cell board closely reclines, and is provided with between the cell board to have certain thickness pad 12, comes the spacing of regulon plate by the pad 12 of changing different-thickness.Clamp device has various ways, for example utilize the fastening bolt 13 that uses in rope winding or the present embodiment, need to offer screwed hole at back incline 6, postartis plate 7 and header board 11 when adopting fastening bolt 13, fastening bolt 13 passes screwed hole 3 module unit plates 6,7,11 is connected successively, by screwing fastening bolt 13 3 module unit plates 6,7,11 is closely reclined.Preferably pad 12 is made by elastomeric material.
In use, at first determine gathering sill 81 according to prior measurement, 82, the distance that needs between 83, next selects the mutually compound pad of thickness and required distance 12 to be placed between header board 11 and the back incline 6, and between back incline 6 and the postartis plate 7, and screw fastening bolt 13 and make 3 module unit plates 6,7,11 closely recline mutually, when pad 12 not being set, it is gathering sill 81,82,83 spacing minimum state is seen Fig. 8, the state of osteotomy plate body is seen Fig. 6 and Fig. 7 when pad 12 is set, and then the osteotomy plate body is fixed on by pin 10 and carries out cutting bone operation on the femur.
Above-mentioned example just is used for explanation the present invention, and embodiments of the present invention are not limited to these examples, and the various specific embodiment that meet inventive concept that those skilled in the art make are all within protection scope of the present invention.
Claims (9)
1. adjustable osteotomy plate, comprise the osteotomy plate body, offer the gathering sill that 4 deep apparatuses of confession insert on the osteotomy plate body, it is characterized in that, described osteotomy plate body is spliced by 3 or 4 cell boards that removably connect, at least be provided with a described gathering sill on the every described cell board, adjust the spacing of described gathering sill by the spacing that changes cell board.
2. adjustable osteotomy plate as claimed in claim 1, it is characterized in that, be provided with on the described cell board for the connected structure that connects two cell boards, described connected structure comprises plug, jack and locking device, described plug and described jack mutually mate and are separately positioned on two cell boards, described locking device is used for plug is fixed in the jack, and it is adjustable that plug enters the degree of depth of jack, and the spacing that enters the degree of depth of jack and then adjust two cell boards by regulating plug.
3. adjustable osteotomy plate as claimed in claim 2 is characterized in that, is provided with length mark on the described plug.
4. adjustable osteotomy plate as claimed in claim 1, it is characterized in that, be provided with releasable securing apparatus on the described cell board, described clamp device constraint cell board closely reclines, be provided with between the cell board and have certain thickness pad, the spacing of regulating described cell board by the described pad of changing different-thickness.
5. adjustable osteotomy plate as claimed in claim 4 is characterized in that, described pad is made by elastomeric material.
6. such as the arbitrary described adjustable osteotomy plate of claim 1-5, it is characterized in that also be provided with the handle of controlling for operator on the described cell board, described handle is fixed therein on a module unit plate or a few module unit plate by its installing hole is dismountable.
7. such as the arbitrary described adjustable osteotomy plate of claim 1-5, it is characterized in that the end of described gathering sill offers be used to avoiding metallic bur power to stab operator's protective trough.
8. such as the arbitrary described adjustable osteotomy plate of claim 1-5, it is characterized in that the insertion end that described gathering sill inserts for described deep apparatus is provided with is convenient to the guide table that deep apparatus enters gathering sill.
9. such as the arbitrary described adjustable osteotomy plate of claim 1-5, it is characterized in that described osteotomy plate body cooperates the mode of pin joint to be fixed on the femur by pin and pin-and-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210534186XA CN103006299A (en) | 2012-12-12 | 2012-12-12 | Adjustable osteotomy plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210534186XA CN103006299A (en) | 2012-12-12 | 2012-12-12 | Adjustable osteotomy plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103006299A true CN103006299A (en) | 2013-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210534186XA Pending CN103006299A (en) | 2012-12-12 | 2012-12-12 | Adjustable osteotomy plate |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109199526A (en) * | 2018-10-22 | 2019-01-15 | 南方医科大学南方医院 | A kind of length-adjustable osteotomy guider and its application method |
| CN110279450A (en) * | 2018-03-19 | 2019-09-27 | 爱派司生技股份有限公司 | A kind of bone-culting operation limiting device and osteotome device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1181696A (en) * | 1995-02-15 | 1998-05-13 | 史密夫和内修有限公司 | Distal femoral cutting guide |
| US20060122617A1 (en) * | 2004-12-08 | 2006-06-08 | Stephane Lavallee | Device for positioning a bone cutting guide |
| CN101878002A (en) * | 2007-09-30 | 2010-11-03 | 德普伊产品公司 | Customized patient-specific orthopaedic surgical instrumentation |
| US20120130385A1 (en) * | 2003-06-19 | 2012-05-24 | Lionberger David R | Cutting guide apparatus and surgical method for use in knee arthroplasty |
-
2012
- 2012-12-12 CN CN201210534186XA patent/CN103006299A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1181696A (en) * | 1995-02-15 | 1998-05-13 | 史密夫和内修有限公司 | Distal femoral cutting guide |
| US20120130385A1 (en) * | 2003-06-19 | 2012-05-24 | Lionberger David R | Cutting guide apparatus and surgical method for use in knee arthroplasty |
| US20060122617A1 (en) * | 2004-12-08 | 2006-06-08 | Stephane Lavallee | Device for positioning a bone cutting guide |
| CN101878002A (en) * | 2007-09-30 | 2010-11-03 | 德普伊产品公司 | Customized patient-specific orthopaedic surgical instrumentation |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110279450A (en) * | 2018-03-19 | 2019-09-27 | 爱派司生技股份有限公司 | A kind of bone-culting operation limiting device and osteotome device |
| CN109199526A (en) * | 2018-10-22 | 2019-01-15 | 南方医科大学南方医院 | A kind of length-adjustable osteotomy guider and its application method |
| CN109199526B (en) * | 2018-10-22 | 2023-09-12 | 南方医科大学南方医院 | Length-adjustable osteotomy guide and use method thereof |
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Application publication date: 20130403 |