CN104814770A - Osteotomy positioning tool and thighbone osteotomy method - Google Patents
Osteotomy positioning tool and thighbone osteotomy method Download PDFInfo
- Publication number
- CN104814770A CN104814770A CN201510267364.0A CN201510267364A CN104814770A CN 104814770 A CN104814770 A CN 104814770A CN 201510267364 A CN201510267364 A CN 201510267364A CN 104814770 A CN104814770 A CN 104814770A
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- Prior art keywords
- osteotomy
- location division
- preartis
- far
- orientation tool
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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
- A61B17/15—Guides 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
- A61B17/155—Cutting femur
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1635—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for grafts, harvesting or transplants
Abstract
The invention provides an osteotomy positioning tool and a thighbone osteotomy method. The osteotomy positioning tool comprises a far end positioning portion and a preartis positioning portion; the far end positioning portion and the preartis positioning portion are respectively provided with positioning end surfaces; the positioning end surfaces of the far end positioning portion and the preartis positioning portion are arranged with an included angle; the preartis positioning portion is provided with an osteotomy groove; the far end positioning portion and or the preartis positioning portion are provided with an adjusting mechanism which is used for adjusting relative position of the far end positioning portion and the preartis positioning portion. According to the technical scheme of the osteotomy positioning tool, positioning between the two positioning end surfaces of the far end positioning portion and the preartis positioning portion and the external side of a thighbone is achieved, positioning is not achieved through medullary cavity, pulp exposition is not required, the relative position between the far end positioning portion and the preartis positioning portion can be adjusted, namely, the position of the osteotomy groove in the preartis positioning portion can be adjusted slightly to enable individual conditions of different users can be adapted, osteotomy is accurate, and the recovery speed of an osteotomy person is quickened.
Description
Technical field
The present invention relates to artificial joint technical field, in particular to a kind of osteotomy orientation tool and femur osteotomy method.
Background technology
Total knee arthroplasty has occurred for a long time, and it mainly by the method for prosthetic knee implant prosthese after osteotomy instrument removing joint, improves the quality of the life of user, eliminate pain.Wherein, removing joint is realized by femur osteotomy.In femur 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 femur osteotomy instrument is made up of femur marrow inner position system and femur osteotomy module usually, installs femur osteotomy module carry out femur osteotomy by the 3-4 part instrument in femur marrow inner position system after realizing location.Existing femur marrow inner position instrument needs femur to carry out out marrow, inserts bar location in marrow.Cause unnecessary damage can to like this osteotomy person, cause hemorrhage, the osteotomy time also extends greatly because of osteotomy complicated operation.Simultaneously because outfit number is many in osteotomy process, cause instrument heavy, manufacturing cost is high.Existing orientation tool lacks motility, and because every osteotomy person exists individual variation, identical osteotomy mode is used on different individualities, and the effect obtained can not meet the demand of all individualities, affects the recovery of osteotomy person.
Summary of the invention
Main purpose of the present invention is to provide a kind of osteotomy orientation tool and femur osteotomy method, needs out marrow, and lack flexibility problem to solve osteotomy orientation tool of the prior art.
To achieve these goals, according to an aspect of the present invention, provide a kind of osteotomy orientation tool, comprise far-end location division and preartis location division, far-end location division and preartis location division have location end face respectively, arranging in an angle between the location end face of far-end location division and preartis location division, preartis location division offers osteotomy groove, far-end location division and/or preartis location division being provided with the governor motion for regulating relative position between far-end location division and preartis location division.
Further, far-end location division is provided with the first governor motion, the first governor motion regulates the position of far-end location division in the one direction of location end face being parallel to far-end location division or twocouese.
Further, the first governor motion is threaded screw rod structure, far-end location division is provided with highlightedly and the adjusting nut for controlling threaded screw rod structure.
Further, far-end location division is provided with the first sticking department for locking the first governor motion.
Further, preartis location division is provided with the second governor motion, the second governor motion regulates the position of preartis location division in the one direction of location end face being parallel to preartis location division or twocouese.
Further, the second governor motion is threaded screw rod structure, preartis location division is provided with highlightedly and the adjusting nut for controlling threaded screw rod structure.
Further, preartis location division is provided with the second sticking department for locking the second governor motion.
Further, the location end face of far-end location division and preartis location division is provided with positioning vertical column respectively highlightedly, far-end location division is provided with multiple positioning vertical column; And/or, preartis location division is provided with multiple positioning vertical column.
Further, far-end location division offers one or more fixed via; And/or preartis location division offers one or more fixed via, and wherein, one end of fixed via is opened on the end face of location.
According to a further aspect in the invention, provide a kind of femur osteotomy method, above-mentioned osteotomy orientation tool is provided, femur osteotomy method comprises: by opposed for the positioning end face of the far-end location division of the osteotomy orientation tool peak place in distal femur, and treats osteotomy site place by opposed for the positioning end face of the preartis location division of osteotomy orientation tool at femur; Regulate the governor motion of osteotomy orientation tool, make the contact that the peak place of far-end location division and distal femur is stable, and make the osteotomy groove para-position of osteotomy orientation tool in the position for the treatment of osteotomy; Fixing osteotomy orientation tool, and utilize osteotomy saw blade to carry out osteotomy through osteotomy groove.
Apply technical scheme of the present invention, osteotomy orientation tool adopts two location end faces of far-end location division and preartis location division and lateral side of femur to be formed and locates, do not located by pulp cavity, do not need out marrow, and relative position can adjust between far-end location division and described preartis location division, namely can finely tune the position of the osteotomy groove on preartis location division, to adapt to the individual instances of different users, make osteotomy more accurate, accelerate the resume speed of osteotomy person.
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 orientation tool of the present invention;
Fig. 2 shows the side view of the embodiment according to osteotomy orientation tool of the present invention; And
Fig. 3 shows the axonometric chart of the embodiment according to osteotomy orientation tool 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.
According to an aspect of the present invention, provide a kind of osteotomy orientation tool, as shown in Figures 1 to 3, this osteotomy orientation tool comprises far-end location division 3 and preartis location division 4, far-end location division 3 and preartis location division 4 have location end face respectively, arrange in an angle between the location end face of far-end location division 3 and preartis location division 4, preartis location division 4 offering osteotomy groove 5, far-end location division 3 and/or preartis location division 4 being provided with the governor motion for regulating relative position between far-end location division 3 and preartis location division 4.
Osteotomy orientation tool of the present invention adopts two location end faces of far-end location division 3 and preartis location division 4 and lateral side of femur to be formed and locates, do not located by pulp cavity, do not need out marrow, and relative position can adjust between far-end location division 3 and preartis location division 4, namely the position of the osteotomy groove 5 on preartis location division 4 can be finely tuned, to adapt to the individual instances of different users, make osteotomy more accurate, accelerate the resume speed of osteotomy person.
Preferably, far-end location division 3 is provided with the first governor motion, the first governor motion regulates the position of far-end location division 3 in the one direction of location end face being parallel to far-end location division 3 or twocouese.Preferably, the first governor motion is threaded screw rod structure, far-end location division 3 is provided with highlightedly and the adjusting nut 1 for controlling threaded screw rod structure.Preferably, far-end location division 3 is provided with the first sticking department for locking the first governor motion.Behind the position of adjusting far-end location division 3, direct stationary remote location division 3 can be adopted to lock with the mode of femur by the first sticking department locking far-end location division 3, first sticking department, the mode of locking first governor motion also can be adopted to lock.
Preferably, preartis location division 4 is provided with the second governor motion, the second governor motion regulates the position of preartis location division 4 in the one direction of location end face being parallel to preartis location division 4 or twocouese.Preferably, the second governor motion is threaded screw rod structure, preartis location division 4 is provided with highlightedly and the adjusting nut 1 for controlling threaded screw rod structure.Preferably, preartis location division 4 is provided with the second sticking department for locking the second governor motion.Behind the position of adjusting preartis location division 4, directly fixing preartis location division 4 can be adopted to lock with the mode of femur by the second sticking department locking preartis location division 4, second sticking department, the mode of locking second governor motion also can be adopted to lock.
Preferably, as shown in Figures 2 and 3, far-end location division 3 and the location end face of preartis location division 4 are provided with positioning vertical column 2 respectively highlightedly, far-end location division 3 and/or preartis location division 4 are provided with multiple positioning vertical column 2.
In this embodiment, far-end fixed part 3 lower surface and preartis location division 4 inner face have been provided with column 2, in order to determine fixed position, three columns all contact sclerotin and are correct position.In position fixing process, far-end fixed part 3 is adjusted to distal femur peak, preartis location division 4 is adjusted to Q point, till three columns all contact sclerotin.
Preferably, far-end location division 3 and/or preartis location division 4 offer one or more fixed via, one end of fixed via is opened on the end face of location.
In embodiment shown in Fig. 1 to 3, far-end location division 3 and preartis location division 4 there are respectively two through holes be fixed via, in after positioning, insert staple, play fixation.After far-end location division 3 and preartis location division 4 are adjusted to correct position, staple can be squeezed into and fix.
Preartis location division 4 having a groove, is osteotomy groove 5, in order to pass through saw blade osteotomy.Can by saw blade through osteotomy groove 5 osteotomy after osteotomy orientation tool is fixing.
Preferably, osteotomy orientation tool entirety is stainless steel material manufacture.
According to another aspect of the present invention, additionally provide a kind of femur osteotomy method, above-mentioned osteotomy orientation tool is provided, femur osteotomy method comprises: by opposed for the positioning end face of the far-end location division 3 of the osteotomy orientation tool peak place in distal femur, and treats osteotomy site place by opposed for the positioning end face of the preartis location division 4 of osteotomy orientation tool at femur; Regulate the governor motion of osteotomy orientation tool, make the contact that far-end location division 3 is stable with the peak place of distal femur, and make osteotomy groove 5 para-position of osteotomy orientation tool in the position for the treatment of osteotomy; Fixing osteotomy orientation tool, and utilize osteotomy saw blade to carry out osteotomy through osteotomy groove 5.
The present invention is eliminated in position fixing process by the method finding distal femur peak location in distal femur and opens the process of marrow in marrow inner position, effectively reduce wound hemorrhage, simplify osteotomy operation, realize individual customization according to the difference of the situation of every user self simultaneously, ensure osteotomy safety, resume speed after raising osteotomy.
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 orientation tool, it is characterized in that, comprise far-end location division (3) and preartis location division (4), described far-end location division (3) and described preartis location division (4) have location end face respectively, arrange in an angle between described far-end location division (3) and the location end face of described preartis location division (4), described preartis location division (4) offers osteotomy groove (5), described far-end location division (3) and/or described preartis location division (4) are provided with the governor motion for regulating relative position between described far-end location division (3) and described preartis location division (4).
2. osteotomy orientation tool according to claim 1, it is characterized in that, described far-end location division (3) is provided with the first governor motion, and described first governor motion regulates the position of described far-end location division (3) in the one direction of location end face being parallel to described far-end location division (3) or twocouese.
3. osteotomy orientation tool according to claim 2, it is characterized in that, described first governor motion is threaded screw rod structure, described far-end location division (3) is provided with highlightedly and the adjusting nut (1) for controlling described threaded screw rod structure.
4. osteotomy orientation tool according to claim 2, is characterized in that, described far-end location division (3) is provided with the first sticking department for locking the first governor motion.
5. osteotomy orientation tool according to claim 1, it is characterized in that, described preartis location division (4) is provided with the second governor motion, and described second governor motion regulates the position of described preartis location division (4) in the one direction of location end face being parallel to described preartis location division (4) or twocouese.
6. osteotomy orientation tool according to claim 5, it is characterized in that, described second governor motion is threaded screw rod structure, described preartis location division (4) is provided with highlightedly and the adjusting nut (1) for controlling described threaded screw rod structure.
7. osteotomy orientation tool according to claim 5, is characterized in that, described preartis location division (4) is provided with the second sticking department for locking the second governor motion.
8. osteotomy orientation tool according to claim 1, is characterized in that, described far-end location division (3) and the location end face of described preartis location division (4) are provided with positioning vertical column (2) respectively highlightedly,
Described far-end location division (3) is provided with multiple described positioning vertical column (2); And/or,
Described preartis location division (4) is provided with multiple described positioning vertical column (2).
9. osteotomy orientation tool according to claim 1, is characterized in that,
Described far-end location division (3) offers one or more fixed via; And/or,
Described preartis location division (4) offers one or more fixed via,
Wherein, one end of described fixed via is opened on the end face of described location.
10. a femur osteotomy method, is characterized in that, provides the orientation tool of the osteotomy according to any one of claim 1 to 9, and described femur osteotomy method comprises:
By opposed for the positioning end face of the far-end location division (3) of the described osteotomy orientation tool peak place in distal femur, and treat osteotomy site place by opposed for the positioning end face of the preartis location division (4) of described osteotomy orientation tool at femur;
Regulate the governor motion of described osteotomy orientation tool, make the contact that described far-end location division (3) is stable with the peak place of distal femur, and make osteotomy groove (5) para-position of described osteotomy orientation tool in the position for the treatment of osteotomy;
Fixing described osteotomy orientation tool, and utilize osteotomy saw blade to carry out osteotomy through described osteotomy groove (5).
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CN201510267364.0A CN104814770B (en) | 2015-05-22 | 2015-05-22 | Osteotomy positions instrument and femur osteotomy method |
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CN201510267364.0A CN104814770B (en) | 2015-05-22 | 2015-05-22 | Osteotomy positions instrument and femur osteotomy method |
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CN104814770B CN104814770B (en) | 2017-10-27 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113197617A (en) * | 2021-04-23 | 2021-08-03 | 长安大学 | Adjustable individualized femur osteotomy positioning and guiding device |
CN113243967A (en) * | 2021-05-11 | 2021-08-13 | 中国人民解放军陆军军医大学第一附属医院 | Navigation device for knee-walking total knee joint replacement |
CN113456167A (en) * | 2021-07-01 | 2021-10-01 | 珠海赛纳三维科技有限公司 | Bone cutting guide plate and forming method thereof |
CN117257388A (en) * | 2023-11-23 | 2023-12-22 | 北京爱康宜诚医疗器材有限公司 | Osteotomy guide plate device |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113197617A (en) * | 2021-04-23 | 2021-08-03 | 长安大学 | Adjustable individualized femur osteotomy positioning and guiding device |
CN113197617B (en) * | 2021-04-23 | 2022-06-21 | 长安大学 | Adjustable individualized femur osteotomy positioning and guiding device |
CN113243967A (en) * | 2021-05-11 | 2021-08-13 | 中国人民解放军陆军军医大学第一附属医院 | Navigation device for knee-walking total knee joint replacement |
CN113243967B (en) * | 2021-05-11 | 2022-08-09 | 中国人民解放军陆军军医大学第一附属医院 | Navigation device for knee-walking total knee joint replacement |
CN113456167A (en) * | 2021-07-01 | 2021-10-01 | 珠海赛纳三维科技有限公司 | Bone cutting guide plate and forming method thereof |
CN113456167B (en) * | 2021-07-01 | 2022-08-30 | 珠海赛纳三维科技有限公司 | Bone cutting guide plate and forming method thereof |
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CN117257388B (en) * | 2023-11-23 | 2024-03-01 | 北京爱康宜诚医疗器材有限公司 | Osteotomy guide plate device |
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