CN111513867B - Hip joint rotation center locator - Google Patents
Hip joint rotation center locator Download PDFInfo
- Publication number
- CN111513867B CN111513867B CN202010384758.5A CN202010384758A CN111513867B CN 111513867 B CN111513867 B CN 111513867B CN 202010384758 A CN202010384758 A CN 202010384758A CN 111513867 B CN111513867 B CN 111513867B
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- China
- Prior art keywords
- acetabulum
- edge
- rotation center
- fixed
- hip joint
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 210000004394 hip joint Anatomy 0.000 title claims abstract description 21
- 210000000588 acetabulum Anatomy 0.000 claims abstract description 37
- 210000001624 hip Anatomy 0.000 claims description 6
- 210000000988 bone and bone Anatomy 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 14
- 210000003484 anatomy Anatomy 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 210000000281 joint capsule Anatomy 0.000 description 2
- 238000011541 total hip replacement Methods 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 210000000109 fascia lata Anatomy 0.000 description 1
- 210000002436 femur neck Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 206010033675 panniculitis Diseases 0.000 description 1
- 210000003491 skin Anatomy 0.000 description 1
- 210000004304 subcutaneous tissue Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- A61B90/10—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 for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/11—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 for stereotaxic surgery, e.g. frame-based stereotaxis with guides for needles or instruments, e.g. arcuate slides or ball joints
-
- 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
- A61B17/1735—Guides or aligning means for drills, mills, pins or wires for rasps or chisels
-
- 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
- A61B17/1742—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the hip
- A61B17/1746—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the hip for the acetabulum
-
- 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
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
-
- 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
- A61B2090/062—Measuring instruments not otherwise provided for penetration depth
Abstract
The invention discloses a design idea and an application method of a hip joint rotation center positioner, wherein the rotation center positioner is a connecting pile body movably fixed at the edge of an acetabulum, the upper end surface of the acetabulum is the edge of the acetabulum, the outer surface of the edge of the acetabulum is connected with a fixing foot, the upper end surface of the fixing foot is fixed with a connecting support rod, the inner side of the edge of the acetabulum is an acetabulum center positioning area, and the position of the rotation center of the hip joint is determined by the arrangement of a center positioning hole according to an indication guide pin track. The hip joint rotation center positioner comprises a fixed foot, a connecting supporting rod and a connecting pile body, wherein an acetabular body, an acetabular edge and a positioning area are normal anatomical positions, and the influence of the change of the body position of a patient on the angle of a rasp in an operation can be avoided due to the combination of the positioner and the acetabular.
Description
Technical Field
The invention relates to the technical field of CIP cleaning systems, in particular to a hip joint rotation center positioner.
Background
Artificial total hip replacement has become the most effective treatment method for treating advanced hip diseases, clinicians have increasingly deeply known the importance of reconstructing the rotation center of the hip, and accurate reconstruction of the rotation center not only optimizes the biomechanical environment around the hip and improves the activity efficacy of the hip, so that it is very important to reconstruct the normal rotation center during total hip replacement, however, the rotation center is not a definite anatomical structure, and can only be measured by an indirect method.
At present, methods for indirectly measuring a rotation center are various, but the methods for clearly positioning the rotation center in an operation are few at present, most of the methods are deduced according to experience and anatomical structures of operators, but the difference of the positioning rotation centers among different operators is large, the process is complicated by adopting operation navigation, the cost is high, and therefore, the design concept of the hip joint rotation center positioner is provided.
Disclosure of Invention
The invention aims to provide a hip joint rotation center positioner to solve the problems that the methods for indirectly measuring the rotation center proposed in the background technology are various, but the method for clearly positioning the rotation center in the operation is less at present, the estimation is mostly carried out according to the experience and the anatomical structure of an operator, but the difference of the positioning rotation centers among different operators is larger, and the operation navigation is complex in process and higher in cost.
In order to achieve the purpose, the invention provides the following technical scheme: the hip joint rotation center positioner comprises an hip joint body and a connecting pile body, wherein the upper end face of the hip joint body is provided with an acetabular edge, the acetabular edge is arranged on the upper end face of the hip joint body, the outer surface of the acetabular edge is connected with a fixing foot, a connecting supporting rod is fixed on the upper end face of the fixing foot, the connecting pile body is fixed on the upper end face of the connecting supporting rod, a center positioning hole penetrates through the connecting pile body, the inner side of the acetabular edge is a positioning area arranged in the acetabular center positioning area, and the position of the hip joint rotation center is determined according to an indication guide pin track through the center positioning hole.
Preferably, the shape structure of the acetabulum edge is circular arc, and the fixed foot is movably connected with the acetabulum edge.
Preferably, the fixing foot and the side surface of the acetabular edge form a semi-surrounding structure, and the outer shape structure of the fixing foot is an arc structure.
Preferably, the connecting support rods are fixedly connected with the fixed feet and the connecting pile body, the fixed feet and the connecting support rods are circumferentially distributed on the edge of the acetabulum, and 3 groups or 2 groups of connecting support rods are arranged.
Preferably, the shape structure of the central positioning hole is a cylindrical structure, and the central positioning hole is relatively vertical to the acetabulum body.
Preferably, the shape structure of the positioning area is a concave structure, and the central positioning hole and the central point of the positioning area are located in the same direction.
Compared with the prior art, the invention has the following beneficial effects: the positioner consists of a fixed foot 3, a connecting support rod 5 and a connecting pile body 6, wherein an acetabular body 1, an acetabular edge 2 and a positioning area 4 are normal anatomical positions and are working areas of the positioner.
1. The device positions the hip joint rotation center by adopting a physical structure mode, replaces the traditional deduction according to the experience and anatomical structure of an operator, and solves the problems of large difference of the positioning rotation centers and inaccurate positioning points among different operators caused by different body types of different patients;
2. the reconstructed rotation center point and the normal anatomical rotation center have no statistical difference in a space coordinate system, the rotation center positioner can accurately realize good combination of preoperative planning and intraoperative application, and can effectively avoid the influence of the body position of a patient and the experience of an operator on prosthesis placement;
3. this locator is at the in-process that uses, can effectively avoid patient position change to the influence of rasping angle in the art with the combination of acetabular bone, compares in operation navigation's central point location, can not cause secondary damage to the patient, compares in operation robot system's location simultaneously, and the use price is lower, can carry out extensive use.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of a side view of the connecting pile body according to the present invention;
fig. 3 is a side view of the fixed foot of the present invention.
In the figure: 1. an acetabular body; 2. an acetabular rim; 3. fixing the feet; 4. a positioning area; 5. connecting a support rod; 6. connecting the pile body; 7. a central positioning hole; 8. and (4) guiding the track of the needle.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the hip joint rotation center positioner is characterized in that the upper end surface of an hip joint body 1 is an acetabulum edge and is an acetabulum edge 2, the outer surface of the acetabulum edge 2 is connected with a fixed foot 3, the upper end surface of the fixed foot 3 is fixed with a connecting support rod 5, a connecting pile body 6 is fixed on the upper end surface of the connecting support rod 5, a center positioning hole 7 penetrates through the inside of the connecting pile body 6, the inner side of the acetabulum edge 2 is a positioning area 4 arranged in the acetabulum center positioning area, the position of the hip joint rotation center is determined according to an indicating guide pin track 8 by the arrangement of the center positioning hole 7, the shape structure of the acetabulum edge 2 is arc-shaped, the fixed foot 3 is movably connected with the acetabulum edge 2, the fixed foot 3 and the side surface of the acetabulum edge 2 form a semi-surrounding structure, the shape structure of the fixed foot 3 is arc-shaped, and the device is used for positioning the hip joint rotation center by adopting a physical structure, the traditional inference according to the experience and anatomical structure of operators is replaced, and the problems that the difference of positioning rotation centers of different operators is large and positioning points are inaccurate due to different body types of different patients are solved;
the connecting support rods 5 are fixedly connected with the fixed feet 3 and the connecting pile bodies 6, the fixed feet 3 and the connecting support rods 5 are circumferentially distributed at the edge 2 of the acetabulum, 3 groups or 2 groups of connecting support rods 5 are arranged, the shape structure of the central positioning hole 7 is a cylindrical structure, and the central positioning hole 7 is relatively vertical to the acetabulum body 1;
the appearance structure of locating area 4 is sunken type structure, and the central point of central locating hole 7 and locating area 4 is located the equidirectional, and its effect is that this locator is at the in-process that uses, can effectively avoid patient's position change to the influence of art in file angle with the combination of acetabular bone, compares in operation navigation's central point location, can not cause secondary damage to the patient, compares in operation robot system's location simultaneously, and the use price is lower, can carry out extensive use.
The working principle is as follows: for the hip joint rotation center positioner, the positioner consists of a fixed foot 3, a connecting support rod 5 and a connecting pile body 6, an acetabular bone body 1, an acetabular edge 2 and a positioning area 4 are normal anatomical positions and are working areas of the positioner, the device mainly consists of the fixed foot 3 and the connecting support rod 5 connecting pile body 6, the fixed foot 3, the connecting support rod 5 and the connecting pile body 6 form a positioner main body in the figure, the positioner is designed into a two-foot or three-foot type, and the acetabular edge 2 is a position fixed by the positioner. The method comprises the steps of sequentially cutting skin, subcutaneous tissues and fascia lata after anesthesia in the operation process, exposing a joint capsule, exposing femoral head and femoral neck after cutting the joint capsule, exposing an acetabulum after taking out the femoral head, marking the distance between the central point of a positioning area 4 and the central point of the upper end surface of a connecting pile body 6 as R and on a Kirschner wire before filing, namely the reference depth when filing the acetabulum, fixing a positioner on the upper edge and the lower edge of the acetabulum, disposing the marked Kirschner wire in a central positioning hole 7, positioning a projection point and marking the projection point when the contact point of the Kirschner wire and the positioning area 4 is the projection of the rotation center of the acetabulum at the bottom, then removing the positioner, grinding the positioning point by using a small-size acetabulum of the acetabulum, wherein the grinding direction is consistent with the direction of the Kirschner wire, gradually increasing the grinding range by taking the marking point as the circle center after grinding of the acetabulum oval fossa is satisfied, and simultaneously measuring the grinding depth by using the Kirschner wire, until the acetabulum size measured before the operation and the planned depth R before the operation are ground, the template is implanted again to verify the position of the rotation center, and the biological acetabulum is implanted according to the position of the rotation center after the position is satisfied.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. Hip joint rotation center locator, including fixed connection pile body (6) of acetabular bone edge (2), its characterized in that: the upper end surface of the acetabulum body (1) is an acetabulum edge (2), the outer surface of the acetabulum edge (2) is connected with a fixed foot (3), the shape structure of the acetabulum edge (2) is arc, the fixed foot (3) is movably connected with the acetabulum edge (2), the upper end surface of the fixed foot (3) is fixed with a connecting support rod (5), a connecting pile body (6) is fixed on the upper end surface of the connecting support rod (5), a central positioning hole (7) penetrates through the inside of the connecting pile body (6), the connecting support rod (5) is fixedly connected with the fixed foot (3) and the connecting pile body (6), the fixed foot (3) and the connecting support rod (5) are circumferentially distributed on the acetabulum edge (2), 3 groups of connecting support rods (5) are arranged, and the inner side of the acetabulum edge (2) is a positioning area (4) arranged in the acetabulum central positioning area, the appearance structure of location district (4) is the sunken type structure, and central point that well centering hole (7) and location district (4) are located the equidirectional, the setting of well centering hole (7) is according to instructing guide pin orbit (8) and confirms the position of hip joint rotation center.
2. The hip rotation center locator of claim 1, wherein: the side surfaces of the fixed foot (3) and the acetabulum edge (2) form a semi-surrounding structure, and the fixed foot (3) has an arc-shaped structure.
3. The hip rotation center locator of claim 1, wherein: the shape structure of the central positioning hole (7) is a cylindrical structure, and the central positioning hole (7) is relatively vertical to the acetabulum body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010384758.5A CN111513867B (en) | 2020-05-08 | 2020-05-08 | Hip joint rotation center locator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010384758.5A CN111513867B (en) | 2020-05-08 | 2020-05-08 | Hip joint rotation center locator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111513867A CN111513867A (en) | 2020-08-11 |
| CN111513867B true CN111513867B (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010384758.5A Expired - Fee Related CN111513867B (en) | 2020-05-08 | 2020-05-08 | Hip joint rotation center locator |
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| Country | Link |
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| CN (1) | CN111513867B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112353458B (en) * | 2020-09-23 | 2022-09-20 | 中国计量大学 | Supplementary anchor clamps of artifical cochlea drilling operation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103169553A (en) * | 2013-04-18 | 2013-06-26 | 昆明市中医医院 | Locating device and method for acetabulum rotating center |
| CN104887361A (en) * | 2015-05-14 | 2015-09-09 | 青岛大学附属医院 | Fabrication template system for custom individual artificial total hip replacement operation acetabulum |
| CN105559951A (en) * | 2016-03-01 | 2016-05-11 | 上海昕健医疗技术有限公司 | Customized acetabulum guide plate |
| CN109106475A (en) * | 2018-08-17 | 2019-01-01 | 北京威高亚华人工关节开发有限公司 | A kind of acetabular cup guide plate and preparation method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8702805B2 (en) * | 2008-07-21 | 2014-04-22 | Harutaro Trabish | Acetabulum surgical resurfacing aid |
| US8992538B2 (en) * | 2008-09-30 | 2015-03-31 | DePuy Synthes Products, Inc. | Customized patient-specific acetabular orthopaedic surgical instrument and method of use and fabrication |
| US20150112348A1 (en) * | 2013-10-21 | 2015-04-23 | Biomet Manufacturing, Llc | Manipulate guide registration surface |
-
2020
- 2020-05-08 CN CN202010384758.5A patent/CN111513867B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103169553A (en) * | 2013-04-18 | 2013-06-26 | 昆明市中医医院 | Locating device and method for acetabulum rotating center |
| CN104887361A (en) * | 2015-05-14 | 2015-09-09 | 青岛大学附属医院 | Fabrication template system for custom individual artificial total hip replacement operation acetabulum |
| CN105559951A (en) * | 2016-03-01 | 2016-05-11 | 上海昕健医疗技术有限公司 | Customized acetabulum guide plate |
| CN109106475A (en) * | 2018-08-17 | 2019-01-01 | 北京威高亚华人工关节开发有限公司 | A kind of acetabular cup guide plate and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN111513867A (en) | 2020-08-11 |
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Granted publication date: 20220201 |