CN112438790A - Orthopedic implant nail guiding and locking device - Google Patents
Orthopedic implant nail guiding and locking device Download PDFInfo
- Publication number
- CN112438790A CN112438790A CN201910847554.8A CN201910847554A CN112438790A CN 112438790 A CN112438790 A CN 112438790A CN 201910847554 A CN201910847554 A CN 201910847554A CN 112438790 A CN112438790 A CN 112438790A
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- locking device
- orthopedic implant
- locking plate
- implant nail
- strap
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- 239000007943 implant Substances 0.000 title claims abstract description 29
- 230000000399 orthopedic effect Effects 0.000 title claims abstract description 29
- 229920000742 Cotton Polymers 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 230000005389 magnetism Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims 1
- 238000002513 implantation Methods 0.000 description 23
- 210000000988 bone and bone Anatomy 0.000 description 6
- 208000010392 Bone Fractures Diseases 0.000 description 4
- 206010017076 Fracture Diseases 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005553 drilling Methods 0.000 description 3
- 208000014674 injury Diseases 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000008733 trauma Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001054 cortical effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007170 pathology Effects 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 210000002027 skeletal muscle Anatomy 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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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
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Prostheses (AREA)
Abstract
The invention relates to a guiding and locking device for orthopedic implant nails, which comprises an arc-shaped locking plate (1), the connecting device is characterized in that a plurality of through holes (2) are formed in the connecting device, a guide mechanism (3) is arranged around each through hole (2), the guide mechanism (3) is connected with an outer convex surface of a locking plate (1) through a ball socket connecting structure, a connecting socket (1.1) is arranged on the outer convex surface, each guide mechanism (3) comprises a connecting ball (3.1), one connecting ball (3.1) is arranged in each connecting socket (1.1), each connecting ball (3.2) is connected with one end of a connecting cylinder (3.2), the other end of each connecting cylinder (3.2) is used for inserting one end of each connecting rod (3.3), a spring (3.6) is arranged in each connecting cylinder (3.2), one end of each spring (3.6) is connected with the inner side of one end of each connecting cylinder (3.2), the other end of each connecting rod is connected with one end of each connecting rod (3.3), the other end of each connecting rod (3.3) is connected with the lower end of. It can realize the direction and the locking of implanting nail, and can be applicable to different occasions and use.
Description
Technical Field
The invention belongs to the technical field of medical equipment, relates to medical equipment for orthopedics, and particularly relates to a guiding and locking device for an orthopedic implant nail.
Background
Orthopedics is one of the most common departments in all hospitals, and mainly studies the anatomy, physiology and pathology of the skeletal muscle system, and maintains and develops the normal form and function of the system by using medicines, operations and physical methods.
The locking plate is a common device in orthopedics, is used for treating limb trauma fracture, and has the advantages of strengthening support by self-locking of the nail plate, enhancing rigidity of a fixed segment and facilitating fracture healing.
However, the locking plate needs to be matched with different fracture parts, and when the locking plate is drilled, the drilling cone risks to break through cortical bone, so that the success rate of nail placement is reduced. In addition, the position of the locking plate on the bone is easy to shift when drilling, and the accurate position of the drilling is affected.
Therefore, chinese utility model with patent No. 201821717955.9 discloses an orthopedic nail-placing guide locking plate, which solves some defects of the prior art by providing a guide post 12 and the like. However, the orthopedic nail-placing guide locking plate still has the following problems: 1. the guide post is integrated with the locking plate, so that the angle thereof is fixed, and thus the implantation angle of the implantation nail is fixed, and the implantation can not be performed at different angles according to different patients, and thus it is difficult to obtain a better implantation effect. 2. The length of guide post is fixed, like this, has restricted the application range who implants the nail, can only be applicable to the implantation nail of a length, is difficult to satisfy the demand that different patients used different length implantation nails. 3. It is a customized product, must scan according to specific patient and carry out the customization preparation, is difficult to carry out batch production, and the cost of manufacture is high, has increased patient's economic burden. 4. It is inconvenient to use such as binding.
In view of the above technical shortcomings of the prior art, there is a strong need to develop a new guiding and locking device for orthopedic implant nails.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide an orthopedic implant nail guiding and locking device which can realize the guiding and locking of an implant nail and can be suitable for different occasions.
In order to achieve the above purpose, the invention provides the following technical scheme:
the guiding and locking device for the orthopedic implant nail comprises an arc-shaped locking plate, wherein the inner concave surface of the arc-shaped locking plate is attached to a bone of a patient, a plurality of through holes are formed in the locking plate, a guiding mechanism is arranged around each through hole and is arranged on the outer convex surface of the locking plate, the guiding mechanism is characterized in that the guiding mechanism is connected with the outer convex surface of the locking plate through a ball-and-socket connection structure, a connection socket is arranged on the outer convex surface of the locking plate, two sides of each through hole are respectively provided with one connection socket, the guiding mechanism comprises two connection balls, one connection ball is arranged in each connection socket respectively to form the ball-and-socket connection structure, each connection ball is connected with one end of a connection cylinder, the other end of the connection cylinder is used for inserting one end of the connection rod, and a spring is arranged in the connection cylinder, one end of the spring is connected with the inner side of one end of the connecting cylinder, the other end of the spring is connected with one end of the connecting rod, the other ends of the connecting rods are connected with the lower end of the guide post, and a threaded hole matched with the implant nail is formed in the guide post.
Further, a first strap and a second strap are provided on the locking plate and cooperate with each other to bind the locking plate to the patient.
Still further, wherein, be equipped with a plurality of first permanent magnets on the first bandage, be equipped with a plurality of second permanent magnets on the second bandage, first permanent magnet is opposite with the magnetism of second permanent magnet.
Still further, wherein, be equipped with three on the locking plate the first bandage and three the second bandage.
Still further wherein three of said first straps and three of said second straps are evenly spaced on said locking plate.
Further wherein the diameter of the bore is greater than the diameter of the threaded bore.
Further wherein the diameter of the through hole is 2-3 times the diameter of the threaded hole.
Still further, wherein the locking plate is made of steel plate.
Finally, wherein the first strap and the second strap are made of cotton cloth.
Compared with the prior art, the orthopedic implant nail guiding and locking device has the following beneficial technical effects:
1. the guide mechanism is connected with the locking plate through the ball socket connecting structure, so that the angle of the guide mechanism can be adjusted relative to the locking plate, the implantation nails can be arranged at different angles according to different patients, and a better treatment effect can be achieved.
2. It is through setting up spring etc for its guiding mechanism's height can automatically regulated, thereby makes the implantation degree of depth that can adjust the implantation nail, has satisfied the demand that same kind implantation nail can be used for different patients, has increased the commonality of apparatus, has reduced patient's economic burden.
3. The binding belt is connected through the magnet, so that the binding is very simple, the disassembly and the binding are convenient, and the use is very convenient.
Drawings
Fig. 1 is a structural view illustrating an orthopedic implant nail guide locking device according to the present invention.
Fig. 2 is a structural view illustrating a guide structure of the orthopedic implant nail guide locking device of the present invention. In which a partial cross-section is taken to show the internal structure.
Detailed Description
The present invention is further described with reference to the following drawings and examples, which are not intended to limit the scope of the present invention.
The invention relates to an orthopedic implant nail guiding and locking device, which is used for treating limb trauma fracture and the like.
Fig. 1 shows a structural view of an orthopedic implant nail guide locking device of the present invention. As shown in fig. 1, the orthopedic implant nail guide locking device of the present invention comprises an arc-shaped locking plate 1, similar to the prior art. Wherein the inner concave surface of the arc-shaped locking plate 1 is attached to the patient's bone (e.g., lower leg, arm, etc.). The locking plate 1 is provided with a plurality of through holes 2. The through hole 2 is used for the implantation nail to pass through. A guide mechanism 3 is arranged around each of the through holes 2 and the guide mechanism 3 is arranged on the outer convex surface of the locking plate 1. The guide mechanism 3 is used to guide and fix the implant pin.
Preferably, the locking plate 1 is made of steel plate. Therefore, the bone and the like of the patient can be better fixed, and the rehabilitation of the patient is more facilitated.
Unlike the prior art in which the guide post and the locking plate are integrally formed, in the present invention, the guide mechanism 3 is connected to the outer convex surface of the locking plate 1 by a ball and socket connection structure. In this way, the guide mechanism 3 can be angularly adjusted with respect to the locking plate 1, thereby adjusting the implantation angle of the implantation nail.
In particular, as shown in fig. 1 and 2, the locking plate 1 is provided with a connecting socket 1.1 on the outer convex surface. And, two sides of each perforation 2 are respectively provided with one connecting nest 1.1. Meanwhile, the guide mechanism 3 includes two connecting balls 3.1, two connecting cylinders 3.2, two connecting rods 3.3, and two springs 3.6.
Wherein, one connecting ball 3.1 is arranged in each connecting socket 1.1 to form the ball-and-socket connecting structure. Each of the connecting balls 3.2 is connected to one end of one of the connecting cylinders 3.2. The other end of the connecting cylinder 3.2 is inserted with one end of the connecting rod 3.3. The spring 3.6 is arranged in the connecting cylinder 3.2. One end of the spring 3.6 is connected with the inner side of the one end of the connecting cylinder 3.2, and the other end is connected with the one end of the connecting rod 3.3. In this way, the connecting rod 3.3 and the connecting cylinder 3.2 can be moved relative to each other, so that the height of the guide mechanism can be adjusted.
The other ends of the two connecting rods 3.3 are connected with the lower end of the guide post 3.4. And a threaded hole 3.5 matched with the implantation nail is formed in the guide post 3.4.
In the present invention, preferably, the locking plate 1 is further provided with a first strap 4 and a second strap 5 which cooperate with each other to bind the locking plate 1 to the patient. In this way, the locking plate 1 is easily tied to the patient by the first and second straps 4 and 5, thereby further achieving fixation thereof.
More preferably, a plurality of first permanent magnets 6 are provided on the first strap 4. The second binding band 5 is provided with a plurality of second permanent magnets 7. And, the first permanent magnet 6 is opposite in magnetism to the second permanent magnet 7. In this way, the locking plate 1 can be easily bound to the patient by the magnetic attraction between the first permanent magnet 6 and the second permanent magnet 7, so that the operation is simpler and more convenient.
Still preferably, three first straps 4 and three second straps 5 are provided on the locking plate 1. Most preferably, three of said first straps 4 and three of said second straps 5 are evenly spaced on said locking plate 1. In this way, a more secure fixation of the locking plate 1 on the patient can be ensured.
Also, in the present invention, it is preferable that the first and second bands 4 and 5 are made of cotton cloth. This makes the patient more comfortable when strapped to the patient.
Furthermore, in the present invention, it is preferable that the diameter of the through hole 2 is larger than the diameter of the screw hole 3.5. More preferably, the diameter of the through hole 2 is 2-3 times the diameter of the threaded hole 3.5. In this way, it is also ensured that an implant nail can be inserted through the through-hole 2 and into the patient when the guide mechanism 3 is tilted with respect to the locking plate 1.
In use, the locking plate 1 is placed on an injured limb (e.g. an arm or lower leg) of a patient such that the concave inner surface of the locking plate 1 conforms to the limb of the patient. Thereafter, the locking plate 1 is bound to the limb of the patient by means of the first and second straps 4, 5 by means of the combination of the first and second permanent magnets 6, 7. Then, the angle of the guide mechanism 3 relative to the locking plate 1 is adjusted by means of the ball-and-socket connection structure according to the injured condition, the bone condition and the like of the patient, and after the angle adjustment is proper, an implantation nail is implanted into the patient through the threaded hole 3.5 and the perforation 2. During the implantation process, the implantation depth of the implantation nail is determined according to the injury condition, the orthopedic condition and the like of a patient. Because a spring 3.6 is arranged between the connecting rod 3.3 and the connecting cylinder 3.2, the height of the guide mechanism 3 can be adjusted, and the implantation depth of the implantation nail can be adjusted.
The guide mechanism of the orthopedic implant nail guide locking device is connected with the locking plate through the ball-and-socket connecting structure, so that the angle of the guide mechanism can be adjusted relative to the locking plate, implant nails can be arranged at different angles according to different patients, and a better treatment effect can be achieved. Simultaneously, through set up spring etc. in guiding mechanism for guiding mechanism's height can automatically regulated, thereby makes the implantation depth that can adjust the implantation nail, has satisfied the demand that same kind implantation nail can be used for different patients, has increased the commonality of apparatus, has reduced patient's economic burden. Finally, the binding belts are connected through the magnets, so that the binding is very simple, the disassembly and the binding are convenient, and the use is very convenient.
The above examples of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes and modifications which are obvious to the technical scheme of the invention are covered by the protection scope of the invention.
Claims (9)
1. The utility model provides a nail direction locking device is implanted to orthopedics, its includes arc lockplate (1), the interior concave surface and the laminating of patient's skeleton of arc lockplate (1), be equipped with a plurality of perforation (2) on lockplate (1), every be equipped with a guiding mechanism (3) and guiding mechanism (3) set up on the outer convex surface of lockplate (1), its characterized in that, guiding mechanism (3) with the evagination surface of lockplate (1) passes through ball socket connection structure and links to each other, be equipped with on the evagination surface of lockplate (1) and connect nest (1.1) and every the both sides of perforation (2) are equipped with one respectively connect nest (1.1), guiding mechanism (3) include two and connect ball (3.1), every set up one respectively in connecting nest (1.1) connect ball (3.1) in order to form ball socket connection structure, every connecting ball (3.2) links to each other with the one end of a connecting cylinder (3.2), the other end of connecting cylinder (3.2) supplies the one end of connecting rod (3.3) to insert wherein, be equipped with spring (3.6) in connecting cylinder (3.2), the one end of spring (3.6) with the connecting cylinder (3.2) the inboard of one end links to each other, the other end with connecting rod (3.3) the one end links to each other, two the other end of connecting rod (3.3) all links to each other with the lower extreme of guide post (3.4), be equipped with in guide post (3.4) and implant nail matched with screw hole (3.5).
2. The orthopedic implant nail guide locking device according to claim 1, characterized in that the locking plate (1) is further provided with a first strap (4) and a second strap (5) which cooperate to bind the locking plate (1) to the patient.
3. The orthopedic implant nail guide locking device according to claim 2, characterized in that a plurality of first permanent magnets (6) are provided on the first strap (4), a plurality of second permanent magnets (7) are provided on the second strap (5), and the first permanent magnets (6) and the second permanent magnets (7) have opposite magnetism.
4. The orthopedic implant nail guide locking device according to claim 3, characterized in that three first straps (4) and three second straps (5) are provided on the locking plate (1).
5. The orthopedic implant nail guide locking device according to claim 4, characterized in that three first straps (4) and three second straps (5) are evenly spaced on the locking plate (1).
6. The orthopedic implant nail guide locking device according to any of claims 1-5, characterized in that the diameter of the through hole (2) is larger than the diameter of the threaded hole (3.5).
7. The orthopedic implant nail guide locking device according to claim 6, characterized in that the diameter of the perforation (2) is 2-3 times the diameter of the threaded hole (3.5).
8. The orthopedic implant nail guide locking device according to claim 7, characterized in that the locking plate (1) is made of steel plate.
9. The orthopedic implant nail guide locking device according to claim 8, characterized in that the first strap (4) and the second strap (5) are made of cotton cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910847554.8A CN112438790B (en) | 2019-09-02 | 2019-09-02 | Orthopedic implant nail guide locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910847554.8A CN112438790B (en) | 2019-09-02 | 2019-09-02 | Orthopedic implant nail guide locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112438790A true CN112438790A (en) | 2021-03-05 |
| CN112438790B CN112438790B (en) | 2023-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910847554.8A Active CN112438790B (en) | 2019-09-02 | 2019-09-02 | Orthopedic implant nail guide locking device |
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| Country | Link |
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| CN (1) | CN112438790B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6200316B1 (en) * | 1999-05-07 | 2001-03-13 | Paul A. Zwirkoski | Intramedullary nail distal targeting device |
| US6565573B1 (en) * | 2001-04-16 | 2003-05-20 | Smith & Nephew, Inc. | Orthopedic screw and method of use |
| CN102008348A (en) * | 2011-01-10 | 2011-04-13 | 南方医科大学 | Steel plate screw system with universal locking screws |
| CN102895049A (en) * | 2012-10-15 | 2013-01-30 | 徐达强 | Artificial joint applied to micro joint injury |
| CN203483496U (en) * | 2013-10-09 | 2014-03-19 | 天津正天医疗器械有限公司 | Combined type compound hole universal locking bone plate |
| CN106725811A (en) * | 2017-02-28 | 2017-05-31 | 谢志进 | Tree-shaped assembly type orthopedic internal fixation screw plate system |
| CN108606859A (en) * | 2016-12-12 | 2018-10-02 | 创生医疗器械（中国）有限公司 | A kind of locking lumbar fusion cages |
-
2019
- 2019-09-02 CN CN201910847554.8A patent/CN112438790B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6200316B1 (en) * | 1999-05-07 | 2001-03-13 | Paul A. Zwirkoski | Intramedullary nail distal targeting device |
| US6565573B1 (en) * | 2001-04-16 | 2003-05-20 | Smith & Nephew, Inc. | Orthopedic screw and method of use |
| CN102008348A (en) * | 2011-01-10 | 2011-04-13 | 南方医科大学 | Steel plate screw system with universal locking screws |
| CN102895049A (en) * | 2012-10-15 | 2013-01-30 | 徐达强 | Artificial joint applied to micro joint injury |
| CN203483496U (en) * | 2013-10-09 | 2014-03-19 | 天津正天医疗器械有限公司 | Combined type compound hole universal locking bone plate |
| CN108606859A (en) * | 2016-12-12 | 2018-10-02 | 创生医疗器械（中国）有限公司 | A kind of locking lumbar fusion cages |
| CN106725811A (en) * | 2017-02-28 | 2017-05-31 | 谢志进 | Tree-shaped assembly type orthopedic internal fixation screw plate system |
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| Publication number | Publication date |
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| CN112438790B (en) | 2023-09-22 |
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Inventor after: Liu Jia Inventor after: Tang Yujin Inventor after: Xie Kegong Inventor after: Yang Chengliang Inventor after: Huang Ke Inventor after: Lu Xianzhe Inventor before: Tang Yujin Inventor before: Liu Jia Inventor before: Xie Kegong Inventor before: Yang Chengliang Inventor before: Huang Ke Inventor before: Lu Xianzhe |
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Effective date of registration: 20230801 Address after: No. 18, Zhongshan 2nd Road, Baise City, Guangxi Zhuang Autonomous Region Applicant after: AFFILIATED HOSPITAL OF YOUJIANG MEDICAL University FOR NATIONALITIES Address before: No. 18, Zhongshan 2nd Road, Youjiang District, Baise City, Guangxi Zhuang Autonomous Region Applicant before: Tang Yujin |
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Effective date of registration: 20240923 Address after: Room 601, No. 16 Foping Second Road, Guicheng, Nanhai District, Foshan City, Guangdong Province, 528200 Patentee after: GUANGDONG SHITAIBAO MEDICAL TECHNOLOGY CO.,LTD. Country or region after: China Address before: No. 18, Zhongshan 2nd Road, Baise City, Guangxi Zhuang Autonomous Region Patentee before: AFFILIATED HOSPITAL OF YOUJIANG MEDICAL University FOR NATIONALITIES Country or region before: China |