CN108542467B - Orthopedic prosthetic devices for knee joint cartilage - Google Patents
Orthopedic prosthetic devices for knee joint cartilage Download PDFInfo
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- CN108542467B CN108542467B CN201810460067.1A CN201810460067A CN108542467B CN 108542467 B CN108542467 B CN 108542467B CN 201810460067 A CN201810460067 A CN 201810460067A CN 108542467 B CN108542467 B CN 108542467B
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- positioning
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- screw rod
- nail
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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
- A61B17/1604—Chisels; Rongeurs; Punches; Stamps
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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
- A61B17/1662—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
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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
- A61B17/1764—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body for the knee
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Dentistry (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
The invention relates to a medical appliance, in particular to a prosthetic device for knee joint cartilage in orthopedics department. A prosthetic devices for knee joint cartilage in orthopedics department, this apparatus includes locating component, punch the alignment member, punch needle and electric drill; the positioning component comprises a positioning rod, a first positioning nail and a second positioning nail, the punching alignment component is fixedly arranged on one side of the upper end of the positioning rod and comprises a square frame, a horizontal positioning screw rod and a vertical positioning screw rod, the device is simple in structure, the instrument can be fixed, the position of the punching needle can be adjusted, and accurate punching positioning is carried out.
Description
Technical Field
The invention relates to a medical appliance, in particular to a prosthetic device for knee joint cartilage in orthopedics department.
Background
Microfracture surgery is often used as a technique for repairing cartilage lesions in the knee joint. The surgeon removes the cartilage damaged area using the joint lens and then drills several holes in the bone to allow bone marrow cells and blood to coagulate into smooth and strong repair tissue, which replaces the function of cartilage. The microfracture method is simple and convenient to operate, is a safe and effective method for treating knee joint full-thickness cartilage injury, can obviously improve the joint function of a patient, relieve pain symptoms and improve the life quality regardless of acute or chronic cartilage injury. When the microfracture operation is carried out, instrument equipment needs to be accurately fixed on the foot bones, and accurate positioning needs to be carried out when holes are punched.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a device for repairing knee joint cartilage in orthopedics department, which has a simple structure, can realize the fixation of instruments, and can adjust the position of a punching needle to perform accurate punching and positioning.
In order to achieve the purpose, the invention adopts the following technical scheme:
a prosthetic devices for knee joint cartilage in orthopedics department, this apparatus includes locating component, punch the alignment member, punch needle and electric drill; the positioning component comprises a positioning rod, a first positioning nail and a second positioning nail, a first guide groove is formed in the middle of the positioning rod, a locking device penetrates through the first guide groove, and the first positioning nail and the second positioning nail are perpendicular to the positioning rod and fixedly arranged on two surfaces of the positioning rod through the locking device; the punching alignment component is fixedly arranged on one side of the upper end part of the positioning rod and comprises a square frame, a horizontal positioning screw rod and a vertical positioning screw rod, the horizontal positioning screw rod and the vertical positioning screw rod are arranged in a T shape, a first ball socket is arranged at the T-shaped connection point of the horizontal positioning screw rod and the vertical positioning screw rod, a first ball head is arranged inside the first ball socket, the first ball head is radially provided with a first through hole, second guide grooves are formed in the two sides and the top of the square frame, the horizontal screw rod is erected in the second guide grooves in the two sides of the square frame, the vertical positioning screw rod is erected in the second guide groove in the top of the square frame, and the horizontal screw rod and the vertical positioning screw rod are locked by locking nuts arranged on the outer sides of the second guide grooves; a second ball socket is arranged at the upper part of the positioning rod, the circle center of the second ball socket is lower than that of the first ball socket, a second ball head is arranged in the second ball socket, a second through hole is radially formed in the second ball head, a guide rod is arranged in the second through hole, and a guide hole is axially formed in the guide rod; the punching needle penetrates through the first punching hole and the guide hole, and the end part of the punching needle is connected with the electric drill.
As a further improvement, two surfaces of the positioning rod are respectively and uniformly provided with a plurality of positioning grooves, and one side of the first positioning nail and one side of the second positioning nail are respectively positioned and arranged on one positioning groove.
As a further improvement, the locking device comprises a locking screw and a locking nut, a locking plate is arranged on one side of the positioning nail of the locking screw, a locking groove is formed in the locking plate, one side of the first positioning nail and one side of the second positioning nail are respectively locked and arranged on one locking groove, and the locking screw penetrates through the first positioning groove and is screwed and connected with the locking nut.
As a further improvement, the locking nut is provided with a screwing handle.
As a further improvement, the two sides of the horizontal positioning screw rod and the vertical positioning screw rod are respectively provided with a tangent plane, and scales are arranged on the tangent planes.
As a further improvement, the side wall of the outer circumference of the locking nut is provided with an anti-slip strip.
As a further improvement, the bottom of the square frame is provided with a connecting plate, the connecting plate is attached to one side surface of the positioning rod and is fixedly arranged on the positioning rod through a screw.
By adopting the technical scheme, the whole instrument can be positioned on the foot bones of the human body through the positioning component, and the punching needle can be positioned to accurately punch holes through the punching alignment component. The device has simple structure and convenient implementation, can effectively reduce the risk of the operation and reduce the cost of the operation.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic structural view of the positioning member and the perforation alignment member.
Fig. 3 is a schematic structural view of the positioning member.
FIG. 4 is a schematic view of a punch alignment member.
Detailed Description
The following describes a detailed embodiment of the present invention with reference to the accompanying drawings.
A prosthetic device for knee joint cartilage in orthopedics department as shown in fig. 1 and 2 comprises a positioning member 1, a punching alignment member 2, a punching needle 3 and an electric drill 4.
As shown in fig. 3, the positioning member 1 includes a positioning rod 11, a first positioning pin 12 and a second positioning pin 13, a first guide groove 14 is disposed in the middle of the positioning rod 11, a locking device 15 is disposed on the first guide groove 14, and the first positioning pin 12 and the second positioning pin 13 are perpendicular to the positioning rod 11 and are fixedly disposed on two surfaces of the positioning rod 11 through the locking device 15. The punching alignment member 2 is fixed to one side of the upper end of the positioning rod 11.
As shown in fig. 4, the punching alignment member 2 includes a square frame 21, a horizontal positioning screw 22 and a vertical positioning screw 23, a connecting plate 30 is disposed at the bottom of the square frame 21, and the connecting plate 30 is attached to one side surface of the positioning rod 11 and is fixed to the positioning rod 11 by screws. Horizontal positioning screw 22 and vertical positioning screw 23 are the T type setting, T type tie point at horizontal positioning screw 22 and vertical positioning screw 23 is provided with first ball socket 24, first ball socket 24 is inside to be provided with first bulb 25, first bulb 25 radially sets up first perforation 26, and be provided with second guide way 27 at square frame 21's both sides and top, horizontal positioning screw 22 erects in the second guide way 27 of square frame 21's both sides, vertical positioning screw 23 erects in the second guide way 27 at square frame 21's top, horizontal positioning screw 22 and vertical positioning screw 23 set up lock nut 28 in the outside of second guide way 27 and lock. The upper part of the positioning rod 11 is provided with a second ball socket 16, the circle center of the second ball socket 16 is lower than that of the first ball socket 24, a second ball head 17 is arranged inside the second ball socket 16, a second through hole 18 is radially arranged on the second ball head 17, a guide rod 19 is arranged in the second through hole 18, and a guide hole 20 is axially arranged on the guide rod 19. The perforating needle 3 is arranged through the first perforation 26 and the guide hole 20, and the end part of the perforating needle 3 is connected with the electric drill 4.
As shown in fig. 3, a plurality of positioning grooves 10 are uniformly formed on two surfaces of the positioning rod 11, and one side of each of the first positioning nail 12 and the second positioning nail 13 is positioned on one positioning groove 10. The locking device 15 comprises a locking screw 141 and a locking nut 142, the locking screw 141 is provided with a locking plate 143 on one side of the positioning nail, the locking plate 143 is provided with a locking groove 144, one side of the first positioning nail 12 and one side of the second positioning nail 13 are respectively locked and arranged on one locking groove 144, and the locking screw 141 penetrates through the first guide groove 14 to be connected with the locking nut 142 in a screwing manner. The lock nut 142 is provided with a twist handle 145.
As shown in fig. 4, the horizontal positioning screw 22 and the vertical positioning screw 23 are respectively provided with a tangent plane 29 on both sides, and the tangent plane 29 is provided with a scale. The outer circumferential side wall of the lock nut 28 is provided with a slip-preventing strip.
Claims (5)
1. A prosthetic device for knee joint cartilage in orthopedics department, which is characterized by comprising a positioning component (1), a punching alignment component (2), a punching needle (3) and an electric drill (4); the positioning component (1) comprises a positioning rod (11), a first positioning nail (12) and a second positioning nail (13), a first guide groove (14) is formed in the middle of the positioning rod (11), a locking device (15) penetrates through the first guide groove (14), and the first positioning nail (12) and the second positioning nail (13) are perpendicular to the positioning rod (11) and are fixedly arranged on two surfaces of the positioning rod (11) through the locking device (15); the punching alignment component (2) is fixedly arranged on one side of the upper end part of the positioning rod (11), the punching alignment component (2) comprises a square frame (21), a horizontal positioning screw rod (22) and a vertical positioning screw rod (23), the horizontal positioning screw rod (22) and the vertical positioning screw rod (23) are arranged in a T shape, a first ball socket (24) is arranged at the T-shaped connecting point of the horizontal positioning screw rod (22) and the vertical positioning screw rod (23), a first ball head (25) is arranged in the first ball socket (24), a first through hole (26) is radially arranged on the first ball head (25), second guide grooves (27) are arranged on two sides and the top part of the square frame (21), the horizontal positioning screw rod (22) is erected in the second guide grooves (27) on two sides of the square frame (21), the vertical positioning screw rod (23) is erected in the second guide grooves (27) on the top part of the square frame (21), a locking nut (28) is arranged on the outer side of the second guide groove (27) for locking by the horizontal positioning screw rod (22) and the vertical positioning screw rod (23); a second ball socket (16) is arranged at the upper part of the positioning rod (11), the circle center of the second ball socket (16) is lower than that of the first ball socket (24), a second ball head (17) is arranged inside the second ball socket (16), a second through hole (18) is radially arranged on the second ball head (17), a guide rod (19) is arranged in the second through hole (18), and a guide hole (20) is axially arranged on the guide rod (19); the punching needle (3) is arranged by penetrating through the first through hole (26) and the guide hole (20), and the end part of the punching needle (3) is connected with the electric drill (4); a plurality of positioning grooves (10) are uniformly formed in the two surfaces of the positioning rod (11), and one side of each of the first positioning nail (12) and the second positioning nail (13) is positioned on one positioning groove (10); the locking device (14) comprises a locking screw rod (141) and a locking nut (142), a locking plate (143) is arranged on one side of the positioning nail of the locking screw rod (141), a locking groove (144) is formed in the locking plate (143), one sides of the first positioning nail (12) and the second positioning nail (13) are respectively locked and arranged on the locking groove (144), and the locking screw rod (141) penetrates through the first guide groove (14) to be screwed and connected with the locking nut (142).
2. The device for the orthopedic knee cartilage repair according to claim 1, characterized in that the lock nut (142) is provided with a twist handle (145).
3. The device for repairing cartilage of knee joint in orthopedics department according to claim 1, characterized in that, the horizontal positioning screw (22) and the vertical positioning screw (23) are respectively provided with a tangent plane (29) at both sides, and scales are arranged on the tangent plane (29).
4. The orthopedic repair device for knee cartilage according to claim 1, wherein the outer circumferential side wall of the locking nut is provided with anti-slip strips.
5. The orthopedic knee cartilage repair device according to claim 1, wherein a connecting plate (30) is arranged at the bottom of the square frame (21), and the connecting plate (30) is attached to one side surface of the positioning rod (11) and is fixed on the positioning rod (11) through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810460067.1A CN108542467B (en) | 2018-05-15 | 2018-05-15 | Orthopedic prosthetic devices for knee joint cartilage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810460067.1A CN108542467B (en) | 2018-05-15 | 2018-05-15 | Orthopedic prosthetic devices for knee joint cartilage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108542467A CN108542467A (en) | 2018-09-18 |
| CN108542467B true CN108542467B (en) | 2020-04-14 |
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ID=63494856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810460067.1A Active CN108542467B (en) | 2018-05-15 | 2018-05-15 | Orthopedic prosthetic devices for knee joint cartilage |
Country Status (1)
| Country | Link |
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| CN (1) | CN108542467B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003105704A1 (en) * | 2002-06-14 | 2003-12-24 | Smith & Nephew, Inc. | Device and methods for placing external fixation elements |
| CN2671510Y (en) * | 2004-01-29 | 2005-01-19 | 戚建勇 | Combined device for fixing intramedullary nail on human long bone of fracture |
| GB0900830D0 (en) * | 2009-01-20 | 2009-03-04 | Depuy Int Ltd | Orientation guide |
| CN203059909U (en) * | 2013-01-04 | 2013-07-17 | 浙江科惠医疗器械有限公司 | Three-dimensional positioning sighting device for orthopedic operations |
| US9370380B2 (en) * | 2013-03-15 | 2016-06-21 | Dne, Llc | External bone fixation system |
| US10136919B2 (en) * | 2015-12-03 | 2018-11-27 | Globus Medical, Inc. | External fixator assembly |
| CN206434407U (en) * | 2016-11-09 | 2017-08-25 | 刘正杰 | A kind of joint eccentric aligning device for orthopedic surgery |
-
2018
- 2018-05-15 CN CN201810460067.1A patent/CN108542467B/en active Active
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| Publication number | Publication date |
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| CN108542467A (en) | 2018-09-18 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200318 Address after: 303-304, building 4, No. 586, Xihuan Road, Keqiao Economic Development Zone, Keqiao District, Shaoxing City, Zhejiang Province Applicant after: Shaoxing Geke Biotechnology Co.,Ltd. Address before: 310018 No. 452, No. 6, Hangzhou economic and Technological Development Zone, Zhejiang Applicant before: Wang Xiaohua |
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Address after: 303-304, building 4, Qihang building, 586 West Ring Road, Keqiao Economic Development Zone, Keqiao District, Shaoxing City, Zhejiang Province Patentee after: Geke (Zhejiang) Biotechnology Co.,Ltd. Address before: 303-304, building 4, Qihang building, 586 West Ring Road, Keqiao Economic Development Zone, Keqiao District, Shaoxing City, Zhejiang Province Patentee before: Shaoxing Geke Biotechnology Co.,Ltd. |
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Effective date of registration: 20230628 Address after: Room 802, 8th Floor, Changle Building, No. 41 Changle West Road, Xincheng District, Xi'an City, Shaanxi Province, 710032 Patentee after: Xi'an Workforce Electronic Technology Co.,Ltd. Address before: 303-304, building 4, Qihang building, 586 West Ring Road, Keqiao Economic Development Zone, Keqiao District, Shaoxing City, Zhejiang Province Patentee before: Geke (Zhejiang) Biotechnology Co.,Ltd. |
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| TR01 | Transfer of patent right |