CN110051407B - Medial tibia high-level osteotomy guiding module - Google Patents
Medial tibia high-level osteotomy guiding module Download PDFInfo
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- CN110051407B CN110051407B CN201910231739.6A CN201910231739A CN110051407B CN 110051407 B CN110051407 B CN 110051407B CN 201910231739 A CN201910231739 A CN 201910231739A CN 110051407 B CN110051407 B CN 110051407B
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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
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1657—Bone breaking devices
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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
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1732—Guides or aligning means for drills, mills, pins or wires for bone breaking devices
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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
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1739—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body
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- Orthopedic Medicine & Surgery (AREA)
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Abstract
The invention discloses an inside tibia high-position osteotomy guiding module, which comprises a positioning module and an osteotomy module, wherein the positioning module comprises a positioning frame and a fastening nail, the positioning frame comprises an arc-shaped guiding rod, two ends of the arc-shaped guiding rod are respectively fixed with a positioning sleeve and a positioning gasket, the positioning sleeve is provided with a positioning channel, the center of the positioning gasket is fixed with a positioning tooth, and the tip of the positioning tooth and the tip of the fastening nail passing through the positioning channel determine the osteotomy direction; the bone cutting module comprises a first bone cutting plate and a second bone cutting plate, a first bone cutting seam and a second bone cutting seam which are communicated with each other are formed in the first bone cutting plate and the second bone cutting plate, the bone cutting module is fixed on the tibia platform through fastening nails of the positioning module and combined with positioning teeth, and the first bone cutting seam and the second bone cutting seam of the bone cutting module determine bone cutting surfaces on the bone cutting platform. The guide module can save the step of driving two Kirschner wires to determine the osteotomy plane, improves the operation efficiency, has wider application range, and can not cause the problem of swing saw deflection in the osteotomy process.
Description
Technical Field
The invention relates to the field of orthopaedics instruments, in particular to a high-level osteotomy guiding module for an inner side tibia.
Background
Osteoarthritis of the knee joint can often be accompanied by varus or valgus deformity of the knee and produce a change in the stress-bearing distribution within the joint. In the varus of the knee, stress concentrates on the medial portion of the knee and accelerates the progress of degenerative changes occurring on the medial side of the knee. In contrast, if the knee joint deformity assumes an everted position, these changes occur in the lateral portion of the knee joint. High tibial osteotomies are a common means of treating osteoarthritis, the primary purpose of which is to improve knee function by correcting the knee axis and increasing the stability of the joint.
The existing tibia high-level osteotomy needs to be driven into a first Kirschner wire to determine the osteotomy direction before osteotomy, then driven into a second Kirschner wire, a straight line formed by connecting the first Kirschner wire and the second Kirschner wire is driven into the first Kirschner wire to determine an osteotomy plane, then a pendulum saw is used for cutting along the osteotomy plane determined by the two Kirschner wires, the pendulum saw is abutted against a needle body of the Kirschner wire during cutting, the pendulum saw is prevented from deviating from the osteotomy plane, after the first osteotomy plane is cut, a second osteotomy plane is cut in the direction with an included angle of 110 degrees with the first osteotomy plane by using the pendulum saw, and when the second osteotomy plane is cut, the pendulum saw is abutted against the first Kirschner wire for cutting obliquely upwards, so that the operation skill requirement is high, and the pendulum saw swing easily appears when the osteotomy plane is cut, and the position of the osteotomy plane is deviated; in order to solve the problems, the 3D technology is adopted for personalized printing of the osteotomy guiding module at the high position of the tibia, the printed osteotomy guiding module is more attached to the bone surface of the patient, but the 3D printed osteotomy guiding module has no universality, the operation time is longer, the cost is higher than that of the conventional operation, and the medical cost of the patient is increased.
Disclosure of Invention
In order to solve the problems, the invention designs the medial tibia high-level osteotomy guiding module, which can save the step of driving two Kirschner wires to determine an osteotomy plane, improves the operation efficiency, has wider application range, can perform the incision operation of a first osteotomy face and a second osteotomy face without performing 3D modeling on each patient to print the osteotomy guiding module, and can not generate the problem of swing and deflection of a swing saw in the process of incising the first osteotomy face and the second osteotomy face.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
a medial tibial high osteotomy guiding module, comprising
The positioning module is fixed on the tibia platform and used for determining the osteotomy direction and comprises a positioning frame and fastening nails;
and the osteotomy module is matched with the positioning module and is fixed on the tibia platform and determines the osteotomy surface on the tibia platform.
Further, the positioning frame comprises an arc-shaped guide rod, two ends of the arc-shaped guide rod are respectively fixed with a positioning sleeve and a positioning washer, a positioning channel for a fastening nail to pass through is formed in the positioning sleeve, a positioning tooth is fixed at the center of the positioning washer, the tip of the positioning tooth and the tip of the fastening nail passing through the positioning channel are used for determining a straight line, and the direction of the straight line determines the bone cutting direction;
the bone cutting module comprises a first bone cutting plate and a second bone cutting plate, the first bone cutting plate and the second bone cutting plate are fixedly connected, an included angle of 110 degrees is formed between the first bone cutting plate and the second bone cutting plate, a first bone cutting seam and a second bone cutting seam which are mutually communicated are formed in the first bone cutting plate and the second bone cutting plate, guide pin sleeves are fixed on two sides of the inner side of the first bone cutting plate, guide pin sleeves are fixed in the middle of the outer side of the second bone cutting plate, fastening nails of the positioning module penetrate through the guide pin sleeves between the first bone cutting plate and the second bone cutting plate after penetrating through the positioning sleeve, and are combined with positioning teeth to fix the bone cutting module on the tibia platform, and the first bone cutting seam and the second bone cutting seam of the bone cutting module determine bone cutting surfaces on the tibia platform.
Furthermore, the positioning module and the osteotomy module are made of stainless steel materials.
The invention has the beneficial effects that: the guide module can save the step of driving two Kirschner wires to determine the osteotomy plane, improves the operation efficiency, has wider application range, can perform the cutting operation of the first osteotomy plane and the second osteotomy plane without performing 3D modeling on each patient to print the osteotomy guide module, and can not generate the problem of swing and swing deviation of the swing saw in the process of cutting into the first osteotomy plane and the second osteotomy plane.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of the components of a medial tibial plateau osteotomy guiding module;
FIG. 2 is a schematic view of the structure of the spacer shown;
FIG. 3 is a schematic view of the configuration of the osteotomy module shown;
fig. 4 is a schematic view of the use of the medial tibial plateau osteotomy guiding module.
In the drawings, the list of components represented by the various numbers is as follows:
1-locating rack, 2-osteotomy module, 3-fastening nail, 4-arc guide bar, 5-locating sleeve, 6-locating channel, 7-locating washer, 8-locating tooth, 9-first osteotomy plate, 10-second osteotomy plate, 11-first osteotomy slit, 12-second osteotomy slit, 13-guide needle sleeve, 14-tibial plateau.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, a medial tibia high-level osteotomy guiding module comprises a positioning module, a fixing module and a fixing module, wherein the positioning module is fixed on a tibia platform and used for determining an osteotomy direction, and the fixing module comprises a positioning frame 1 and a fastening nail 3; the osteotomy module 2 is fixed on the tibial plateau in cooperation with the positioning module and determines the osteotomy face on the tibial plateau.
The positioning frame 1 comprises an arc-shaped guide rod 4, wherein a positioning sleeve 5 and a positioning washer 7 are respectively fixed at two ends of the arc-shaped guide rod 4, a positioning channel 6 for a fastening nail 3 to pass through is formed in the positioning sleeve 5, a positioning tooth 8 is fixed at the center of the positioning washer 7, the tip of the positioning tooth 8 and the tip of the fastening nail 3 passing through the positioning channel 6 are in a straight line, and the direction of the straight line determines the osteotomy direction;
the osteotomy module 2 include first osteotomy plate 9 and second osteotomy plate 10, first osteotomy plate 9 and second osteotomy plate 10 fixed connection just are 110 degrees contained angles between first osteotomy plate 9 and the second osteotomy plate 10, open on first osteotomy plate 9 and the second osteotomy plate 10 and have first osteotomy seam 11 and the second osteotomy seam 12 of mutual intercommunication, the both sides of the inboard of first osteotomy plate 9 are fixed with guide pin sleeve 13, the outside middle part of second osteotomy plate 10 is fixed with guide pin sleeve 13, guide pin sleeve 13 that passes between first osteotomy plate 9 and the second osteotomy plate 10 behind the fastening nail 3 of positioning module passes positioning sleeve 13 and links positioning tooth 8 and be fixed in osteotomy module 2 on tibial plateau 14, first osteotomy seam 11 and the second osteotomy seam 12 of osteotomy module 2 have determined the osteotomy face on the tibial plateau 14.
Wherein, the positioning module and the osteotomy module 2 are made of stainless steel materials.
One specific application of the device is: the tibia plateau 14 makes a skin incision in the horizontal direction, revealing the goose feet; the positioning teeth 8 of the positioning frame 1 are clamped with the outer side lower part (bone cutting loose-leaf part) of the tibia platform 14, and the positioning teeth 8 enter the tibia for 0.5 cm; the fastening nail 3 passes through the positioning channel 6 of the positioning sleeve 5 and then passes through the guide pin sleeve 13 at the joint of the first osteotomy plate 9 and the second osteotomy plate 10, the fastening nail 3 is inserted into the tibia for 0.5 cm, the first osteotomy joint 11 is parallel to the back inclination angle of the knee joint tibia joint surface and is tightly attached to the upper part of the goose foot, and another fastening nail 3 is driven into the tibia platform through the other hole of the first osteotomy plate 9 to be temporarily fixed; swinging the swing saw along the first osteotomy gap 11 from the inside to the outside to the upper side to osteotomy, and reserving 1.5 cm of untruncated cortical bone outside the tibia; the pendulum saw is cut along the second osteotomy gap 12, the tibial tuberosity is preserved, and the tibial plateau 14 osteotomy is completed.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (1)
1. A medial tibial high osteotomy guiding module, comprising
The positioning module is fixed on the tibia platform and used for determining the osteotomy direction and comprises a positioning frame and fastening nails;
the osteotomy module is matched with the positioning module and is fixed on the tibia platform and determines an osteotomy face on the tibia platform;
the positioning rack comprises an arc-shaped guide rod, two ends of the arc-shaped guide rod are respectively fixed with a positioning sleeve and a positioning washer, a positioning channel for a fastening nail to pass through is formed in the positioning sleeve, a positioning tooth is fixed at the center of the positioning washer, the tip of the positioning tooth and the tip of the fastening nail passing through the positioning channel are used for determining a straight line, and the direction of the straight line determines the osteotomy direction;
the bone cutting module comprises a first bone cutting plate and a second bone cutting plate, the first bone cutting plate and the second bone cutting plate are fixedly connected, an included angle of 110 degrees is formed between the first bone cutting plate and the second bone cutting plate, a first bone cutting seam and a second bone cutting seam which are mutually communicated are formed in the first bone cutting plate and the second bone cutting plate, guide pin sleeves are fixed on two sides of the inner side of the first bone cutting plate, guide pin sleeves are fixed in the middle of the outer side of the second bone cutting plate, fastening nails of the positioning module penetrate through the guide pin sleeves between the first bone cutting plate and the second bone cutting plate after penetrating through the positioning sleeves, and are combined with positioning teeth to fix the bone cutting module on the tibia platform, and the first bone cutting seam and the second bone cutting seam of the bone cutting module determine bone cutting surfaces on the tibia platform;
the positioning module is made of stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910231739.6A CN110051407B (en) | 2019-03-26 | 2019-03-26 | Medial tibia high-level osteotomy guiding module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910231739.6A CN110051407B (en) | 2019-03-26 | 2019-03-26 | Medial tibia high-level osteotomy guiding module |
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| CN110051407A CN110051407A (en) | 2019-07-26 |
| CN110051407B true CN110051407B (en) | 2023-10-27 |
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| CN201910231739.6A Active CN110051407B (en) | 2019-03-26 | 2019-03-26 | Medial tibia high-level osteotomy guiding module |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113520518B (en) * | 2020-04-21 | 2023-09-05 | 孙晓明 | Tibia high-position guiding osteotomy orthopedic internal fixing device |
| CN111700665B (en) * | 2020-06-29 | 2023-01-17 | 中国人民解放军总医院 | Kirschner wire positioning device for high tibial osteotomy |
| CN111714184B (en) * | 2020-06-29 | 2021-09-07 | 中国人民解放军总医院 | A cut bone double guide plate system for high-order osteotomy of shin bone |
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| TR201412961A2 (en) * | 2014-11-04 | 2016-05-23 | Melih Gueven | High tibial osteotomy external fixator. |
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| CN110051407A (en) | 2019-07-26 |
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