CN107468304B - Tibia platform and femur distal iliac platform osteotomy gauge and measuring and positioning method - Google Patents
Tibia platform and femur distal iliac platform osteotomy gauge and measuring and positioning method Download PDFInfo
- Publication number
- CN107468304B CN107468304B CN201710743481.9A CN201710743481A CN107468304B CN 107468304 B CN107468304 B CN 107468304B CN 201710743481 A CN201710743481 A CN 201710743481A CN 107468304 B CN107468304 B CN 107468304B
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- CN
- China
- Prior art keywords
- osteotomy
- positioning
- positioning rod
- locator
- tibia
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- 210000002303 tibia Anatomy 0.000 title claims abstract description 38
- 210000000689 upper leg Anatomy 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims description 8
- 210000000988 bone and bone Anatomy 0.000 claims abstract description 19
- 238000005259 measurement Methods 0.000 claims abstract description 3
- 244000309466 calf Species 0.000 claims description 3
- 210000002414 leg Anatomy 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 description 7
- 210000000629 knee joint Anatomy 0.000 description 3
- 210000003141 lower extremity Anatomy 0.000 description 3
- 210000004439 collateral ligament Anatomy 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 210000000544 articulatio talocruralis Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000004394 hip joint Anatomy 0.000 description 1
- 210000003692 ilium Anatomy 0.000 description 1
- 238000013150 knee replacement Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- A61B17/1662—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body
- A61B17/1675—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body for the knee
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
- A61B2090/067—Measuring instruments not otherwise provided for for measuring angles
Abstract
A tibia platform and femur distal iliac platform integrated osteotomy gauge comprises an osteotomy locator and a measurement locator; the bone cutting positioner comprises a tibia platform bone cutting positioner and a femur distal-iliac-platform bone cutting positioner, the tibia platform bone cutting positioner comprises a first body and a plurality of first bone cutting grooves arranged on the first body, the femur distal-iliac-platform bone cutting positioner comprises a second body and a plurality of second bone cutting grooves arranged on the second body, the first body and the second body are of an integrated structure, and the first bone cutting grooves and the second bone cutting grooves are parallel to each other; the measuring locator comprises a locating rod, a sleeve sleeved on the locating rod and in sliding fit with the locating rod, and a cross plate fixed on the sleeve, one end of the locating rod is connected with the osteotomy locator, the locating rod is mutually perpendicular to the first osteotomy groove, and the cross plate is mutually perpendicular to the locating rod. The integrated osteotomy gauge effectively solves the problem that the end face of the tibia and the end face of the femur are not parallel in the prior art.
Description
Technical Field
The invention relates to medical equipment, in particular to a tibia platform and femur distal ilium platform integrated osteotomy gauge and a measuring and positioning method.
Background
One of the primary goals of artificial knee replacement surgery is to restore the mechanical force lines of the lower limbs such that the center of rotation of the hip joint, the midpoint of the knee joint, and the midpoint of the ankle joint lie on an imaginary lower limb force line on the coronal plane. Correct osteotomies are the basis for obtaining good alignment of the lower limbs after surgery.
The artificial knee joint replacement operation needs to cut bones of tibia and femur, in the prior art, the tibia is cut by a tibia cutting gauge, and the femur is cut by a femur cutting gauge. The tibia osteotomy gauge and the femur osteotomy gauge are two independent components, which can cause several problems: 1. the cost is increased; 2. the manufacturing precision of different osteotomy rules may have errors, or errors caused during osteotomy operations, and the method for respectively osteotomy is likely to cause non-parallel tibial end face and femoral end face, and finally unbalanced medial collateral ligament/lateral collateral ligament stress of knee joint is caused.
Disclosure of Invention
The invention aims to solve the technical problem of providing a tibia platform and femur distal-iliac platform integrated osteotomy gauge and a measuring and positioning method, and solves the problem that the tibia end face and the femur end face are not parallel in the prior art.
In order to solve the technical problems, the technical scheme of the invention is as follows: a tibia platform and femur distal iliac platform integrated osteotomy gauge comprises an osteotomy locator and a measurement locator; the tibia plateau osteotomy locator comprises a tibia plateau osteotomy locator and a femur distal iliac plateau osteotomy locator, the tibia plateau osteotomy locator comprises a first body and a plurality of first osteotomy grooves arranged on the first body, the femur distal iliac plateau osteotomy locator comprises a second body and a plurality of second osteotomy grooves arranged on the second body, the first body and the second body are of an integrated structure, and the first osteotomy grooves and the second osteotomy grooves are parallel to each other; the measuring positioner comprises a positioning rod, a sleeve sleeved on the positioning rod and in sliding fit with the positioning rod, and a cross plate fixed on the sleeve, one end of the positioning rod is connected with the osteotomy positioner, the positioning rod is mutually perpendicular to the first osteotomy groove, and the cross plate is mutually perpendicular to the positioning rod. The invention integrates the tibia osteotomy gauge and the femur osteotomy gauge together, has lower overall manufacturing cost, can operate the tibia osteotomy gauge and the femur osteotomy gauge at one time, and is convenient for doctors to perform operations; the osteotomy groove of tibia and the osteotomy groove of femur are integrated together to the integrated manufacturing, its depth of parallelism is better, and disposable location when the cooperation is cut the bone again reduces the error that causes because of the location, effectively solves the problem that the tibia terminal surface is nonparallel with the femur terminal surface of prior art.
As an improvement, the locating rod is provided with a through groove which is arranged along the axis and penetrates through the upper surface and the lower surface of the locating rod, and the cross plate is mutually perpendicular to the through groove.
As an improvement, the positioning rod is of a tubular structure.
As an improvement, two first osteotomy grooves are formed in the first body in total, and three second osteotomy grooves are formed in the second body in total.
As an improvement, one side of the first body, which is positioned on the first osteotomy groove, is provided with three positioning holes for driving bone nails.
As an improvement, the three positioning holes are arranged in a straight line, and the included angle between the axis of the middle positioning hole and the axis of the positioning holes at two sides is 15 degrees.
As an improvement, the first body and the second body form a positioning plate, the first osteotomy groove is positioned at one end of the positioning plate, the second osteotomy groove is positioned at the other end of the positioning plate, and one end of the positioning rod is close to the first osteotomy groove.
As an improvement, grooves are arranged between the two sides of the positioning plate and the first osteotomy groove and the second osteotomy groove.
The invention relates to a measuring and positioning method of an integrated osteotomy gauge, which comprises the following steps:
(1) Drawing a central axis along the axis of tibia on the surface of calf;
(2) Drawing a plurality of scale marks perpendicular to the central axis on the central axis;
(3) Placing the osteotomy gauge on the leg, placing the positioning rod along the central axis direction, and properly adjusting the angle of the positioning rod to be parallel to the central axis;
(4) The sliding sleeve drives the cross plate to align the cross plate with a certain scale mark;
(5) And fixing the position of the sleeve, moving the osteotomy locator to a designated position, and completing the positioning of the osteotomy gauge.
Compared with the prior art, the invention has the beneficial effects that:
the invention integrates the tibia osteotomy gauge and the femur osteotomy gauge together, has lower overall manufacturing cost, can operate the tibia osteotomy gauge and the femur osteotomy gauge at one time, and is convenient for doctors to perform operations; the osteotomy groove of tibia and the osteotomy groove of femur are integrated together to the integrated manufacturing, its depth of parallelism is better, and disposable location when the cooperation is cut the bone again reduces the error that causes because of the location, effectively solves the problem that the tibia terminal surface is nonparallel with the femur terminal surface of prior art.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Detailed Description
The invention is further described below with reference to the drawings.
As shown in fig. 1, the tibia plateau and femur distal iliac plateau integrated osteotomy gauge comprises an osteotomy locator 1 and a measuring locator 2, wherein the measuring locator 2 is used for locating the position of the osteotomy locator 1, and the osteotomy locator 1 is matched with an osteotomy knife to perform osteotomy operation.
As shown in fig. 1, the osteotomy locator 1 includes a tibial plateau osteotomy locator and a femoral distal plateau osteotomy locator, the tibial plateau osteotomy locator includes a first body 11 and a plurality of first osteotomy grooves 111 disposed on the first body 11, and the femoral distal plateau osteotomy locator includes a second body 12 and a plurality of second osteotomy grooves 121 disposed on the second body 12. The positioning plate is formed by the integrated structure of the first body 11 and the second body 12, in this embodiment, two first osteotomy grooves 111 are formed on the first body 11, three second osteotomy grooves 121 are formed on the second body 12, the first osteotomy grooves 111 are located at one end of the positioning plate, the second osteotomy grooves 121 are located at the other end of the positioning plate, and the first osteotomy grooves 111 and the second osteotomy grooves 121 are parallel to each other, so as to ensure that the osteotomy end face of the tibia is parallel to the osteotomy end face of the femur. Grooves 13 are formed between the two sides of the positioning plate and the first and second osteotomy grooves 111 and 121 for reducing the weight of the osteotomy gauge. Three positioning holes 14 for nailing are arranged on one side of the first main body 11 at the first osteotomy groove 111; the three positioning holes 14 are arranged in a straight line, and the included angle between the axis of the middle positioning hole and the axis of the positioning holes at two sides is 15 degrees.
As shown in fig. 1, the measuring positioner 2 includes a positioning rod 21, a sleeve 22 that is sleeved on the positioning rod 21 and is in sliding fit with the positioning rod 21, and a cross plate 23 that is fixed on the sleeve 22. The positioning rod 21 has a tubular structure, which contributes to weight reduction of the positioning rod 21. One end of the positioning rod 21 is connected with the osteotomy locator, and the connecting end of the positioning rod 21 is close to the first osteotomy groove 111. The positioning rod 21 is provided with a through groove 211 which is arranged along the axis and penetrates through the upper surface and the lower surface of the positioning rod 21, the cross plate 23 is mutually perpendicular to the through groove 211, the cross plate 23 is mutually perpendicular to the positioning rod 21, and the positioning rod 21 is mutually perpendicular to the first osteotomy groove 111.
The invention relates to a measuring and positioning method of an integrated osteotomy gauge, which comprises the following steps:
(1) Drawing a central axis along the axis of tibia on the surface of calf;
(2) Drawing a plurality of scale marks perpendicular to the central axis on the central axis;
(3) Placing the osteotomy gauge on the leg, placing the positioning rod 21 along the central axis direction, and properly adjusting the angle of the positioning rod 21 until the central axis is positioned in the through groove;
(4) The sliding sleeve 22 drives the cross plate 23 to align the cross plate 23 with a certain scale mark;
(5) The position of the sleeve 22 is fixed, and the osteotomy locator is moved to the designated position to complete the positioning of the osteotomy gauge.
The invention integrates the tibia osteotomy gauge and the femur osteotomy gauge together, has lower overall manufacturing cost, can operate the tibia osteotomy gauge and the femur osteotomy gauge at one time, and is convenient for doctors to perform operations; the osteotomy groove of tibia and the osteotomy groove of femur are integrated together to the integrated manufacturing, its depth of parallelism is better, and disposable location when the cooperation is cut the bone again reduces the error that causes because of the location, effectively solves the problem that the tibia terminal surface is nonparallel with the femur terminal surface of prior art.
Claims (2)
1. A tibia platform and femur distal iliac platform integrated osteotomy gauge, characterized in that: comprises an osteotomy locator and a measurement locator; the tibia plateau osteotomy locator comprises a tibia plateau osteotomy locator and a femur distal iliac plateau osteotomy locator, the tibia plateau osteotomy locator comprises a first body and a plurality of first osteotomy grooves arranged on the first body, the femur distal iliac plateau osteotomy locator comprises a second body and a plurality of second osteotomy grooves arranged on the second body, the first body and the second body are of an integrated structure, and the first osteotomy grooves and the second osteotomy grooves are parallel to each other; the measuring positioner comprises a positioning rod, a sleeve sleeved on the positioning rod and in sliding fit with the positioning rod, and a cross plate fixed on the sleeve, one end of the positioning rod is connected with the osteotomy positioner, the positioning rod is mutually perpendicular to the first osteotomy groove, and the cross plate is mutually perpendicular to the positioning rod;
the positioning rod is provided with a through groove which is arranged along the axis and penetrates through the upper surface and the lower surface of the positioning rod, and the cross plate is mutually perpendicular to the through groove;
the positioning rod is of a tubular structure;
two first osteotomy grooves are formed in the first body in total, and three second osteotomy grooves are formed in the second body in total;
three positioning holes for bone nail punching are arranged on one side of the first body at one side of the first bone cutting groove;
the three positioning holes are arranged in a straight line, and the included angle between the axis of the middle positioning hole and the axis of the positioning holes at two sides is 15 degrees;
the first body and the second body form a positioning plate, the first bone cutting groove is positioned at one end of the positioning plate, the second bone cutting groove is positioned at the other end of the positioning plate, and one end of the positioning rod is close to the first bone cutting groove;
grooves are arranged between two sides of the positioning plate and the first osteotomy groove and the second osteotomy groove.
2. A method of measuring and locating a tibial plateau and distal femoral plateau integrated osteotomy gauge as defined in claim 1, comprising the steps of:
(1) Drawing a central axis along the axis of tibia on the surface of calf;
(2) Drawing a plurality of scale marks perpendicular to the central axis on the central axis;
(3) Placing the osteotomy gauge on the leg, placing the positioning rod along the central axis direction, and properly adjusting the angle of the positioning rod to be parallel to the central axis;
(4) The sliding sleeve drives the cross plate to align the cross plate with a certain scale mark;
(5) And fixing the position of the sleeve, moving the osteotomy locator to a designated position, and completing the positioning of the osteotomy gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710743481.9A CN107468304B (en) | 2017-08-25 | 2017-08-25 | Tibia platform and femur distal iliac platform osteotomy gauge and measuring and positioning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710743481.9A CN107468304B (en) | 2017-08-25 | 2017-08-25 | Tibia platform and femur distal iliac platform osteotomy gauge and measuring and positioning method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107468304A CN107468304A (en) | 2017-12-15 |
| CN107468304B true CN107468304B (en) | 2024-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710743481.9A Active CN107468304B (en) | 2017-08-25 | 2017-08-25 | Tibia platform and femur distal iliac platform osteotomy gauge and measuring and positioning method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107468304B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109259818A (en) * | 2018-10-22 | 2019-01-25 | 南方医科大学南方医院 | A kind of minimally invasive bone cutting positioner and its localization method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203169278U (en) * | 2013-03-29 | 2013-09-04 | 李国梁 | Shin bone mechanical axis positioner |
| CN203598028U (en) * | 2013-12-03 | 2014-05-21 | 中南大学湘雅医院 | Tibia osteotomy positioner for individualized osteotomy posterior slope angle |
| CN205697912U (en) * | 2016-06-15 | 2016-11-23 | 中南大学湘雅医院 | A kind of osteotomy guide plate component based on tibia and femur |
| CN208287045U (en) * | 2017-08-25 | 2018-12-28 | 广州市雄俊医疗科技有限公司 | Tibial plateau and femoral far bone platform integration osteotomy rule |
-
2017
- 2017-08-25 CN CN201710743481.9A patent/CN107468304B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203169278U (en) * | 2013-03-29 | 2013-09-04 | 李国梁 | Shin bone mechanical axis positioner |
| CN203598028U (en) * | 2013-12-03 | 2014-05-21 | 中南大学湘雅医院 | Tibia osteotomy positioner for individualized osteotomy posterior slope angle |
| CN205697912U (en) * | 2016-06-15 | 2016-11-23 | 中南大学湘雅医院 | A kind of osteotomy guide plate component based on tibia and femur |
| CN208287045U (en) * | 2017-08-25 | 2018-12-28 | 广州市雄俊医疗科技有限公司 | Tibial plateau and femoral far bone platform integration osteotomy rule |
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| Publication number | Publication date |
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| CN107468304A (en) | 2017-12-15 |
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