CN112438790B - Orthopedic implant nail guide locking device - Google Patents
Orthopedic implant nail guide locking device Download PDFInfo
- Publication number
- CN112438790B CN112438790B CN201910847554.8A CN201910847554A CN112438790B CN 112438790 B CN112438790 B CN 112438790B CN 201910847554 A CN201910847554 A CN 201910847554A CN 112438790 B CN112438790 B CN 112438790B
- Authority
- CN
- China
- Prior art keywords
- locking plate
- arc
- locking device
- implant nail
- orthopedic implant
- Prior art date
- 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.)
- Active
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—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
Landscapes
- 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 utility model relates to an orthopedic implant nail guide locking device, which comprises an arc-shaped locking plate (1), wherein a plurality of through holes (2) are formed in the arc-shaped locking plate, a guide mechanism (3) is arranged around each through hole (2), the guide mechanism (3) is connected with the outer convex surface of the arc-shaped locking plate (1) through a ball socket connecting structure, a connecting pit (1.1) is formed in the outer convex surface of the guide mechanism (3), the guide mechanism (3) comprises connecting balls (3.1), a connecting ball (3.1) is arranged in each connecting pit (1.1), each connecting ball (3.1) is connected with one end of a connecting cylinder (3.2), one end of each connecting cylinder (3.2) is inserted into 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 rod (3.3), the other end of each connecting rod is connected with the lower end of each guide column (3.4), and threaded holes (3.5) are formed in each guide column (3.4). The guiding and locking device can realize guiding and locking of the implanted nails, and is applicable to different occasions.
Description
Technical Field
The utility model belongs to the technical field of medical equipment, relates to medical equipment for orthopaedics, and in particular relates to a guiding and locking device for an orthopedic implant nail.
Background
Orthopedics is one of the most common departments in various hospitals, and mainly researches 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 arc locking plate is a common device in orthopaedics and is used for treating limb trauma fracture, and has the advantages of self-locking and reinforcing support of the nail plate, reinforcing the rigidity of the fixed segment and being beneficial to fracture healing.
However, the arc-shaped locking plate needs to be matched with different fracture parts, and when the arc-shaped locking plate is used for drilling, the drilling cone is at risk of penetrating through the cortex of the bone, so that the success rate of nail placement is reduced. In addition, the arc locking plate is placed on the bone, and is easy to deviate during drilling, so that the accurate drilling position is affected.
For this reason, the chinese utility model patent No. 201821717955.9 discloses an orthopedic nail guide arc locking plate which solves some of the drawbacks of the prior art by providing a guide post 12 and the like. However, the orthopedic nail guide arc-shaped locking plate still has the following problems: 1. the guide post is integral with the arc-shaped locking plate, thus, the angle thereof is fixed, so that the implantation angle of the implantation nail is fixed, and the implantation can not be performed at different angles according to the patients, thereby making it difficult to obtain a better implantation effect. 2. The length of the guide post is fixed, so that the application range of the implanted nails is limited, the implanted nails can be only suitable for implanted nails with one length, and the requirement that different patients use implanted nails with different lengths is difficult to meet. 3. The product is a customized product, and the customized production is required to be scanned according to a specific patient, so that the batch production is difficult, the production cost is high, and the economic burden of the patient is increased. 4. The binding and the like are inconvenient to use.
In view of the above technical drawbacks of the prior art, there is an urgent need to develop a novel guiding and locking device for orthopedic implant nails.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a guiding and locking device for an orthopedic implant nail, which can realize guiding and locking of the implant nail and is applicable to different occasions.
In order to achieve the above object, the present utility model provides the following technical solutions:
the utility model provides an orthopedic implant nail direction locking device, its includes the arc locking plate, the interior concave surface of arc locking plate is laminated with patient's skeleton, be equipped with a plurality of perforation on the arc locking plate, every be equipped with a guiding mechanism around the perforation and guiding mechanism sets up on the outer convex surface of arc locking plate, a serial communication port, guiding mechanism with the evagination face of arc locking plate passes through ball socket connection structure and links to each other, be equipped with on the outer convex surface of arc locking plate and every perforated both sides are equipped with one respectively the connection nest, guiding mechanism includes two connecting balls, every set up one respectively in the connection nest the connecting ball is in order to form ball socket connection structure, every the connecting ball links to each other with one connecting cylinder's one end, the other end of connecting cylinder supplies the one end of connecting rod to insert wherein, be equipped with the spring in the connecting cylinder, the one end of spring with the inboard of one end links to each other end of connecting rod, the other end of connecting rod links to each other, two the other end of connecting rod all links to each other with the guiding post in the lower extreme of guiding post is equipped with the screw hole that implants in the cooperation.
Further, the arc-shaped locking plate is further provided with a first binding band and a second binding band which are matched with each other to bind the arc-shaped locking plate on a patient.
Further, the first binding band is provided with a plurality of first permanent magnets, the second binding band is provided with a plurality of second permanent magnets, and the magnetism of the first permanent magnets is opposite to that of the second permanent magnets.
Still further, wherein the arc-shaped locking plate is provided with three of the first straps and three of the second straps.
Still further, wherein each of the three first straps and the three second straps are evenly spaced on the arcuate locking plate.
Further, wherein the diameter of the bore is greater than the diameter of the threaded bore.
Further wherein the diameter of the perforations is 2-3 times the diameter of the threaded holes.
Further, wherein the arc-shaped locking plate is made of a steel plate.
Finally, wherein the first strap and the second strap are made of cotton.
Compared with the prior art, the orthopedic implant nail guide locking device has the following beneficial technical effects:
1. the guide mechanism is connected with the arc-shaped locking plate through the ball socket connecting structure, so that the guide mechanism can adjust the angle relative to the arc-shaped locking plate, and the implantation nails can be arranged at different angles according to different patients, and further, better treatment effect can be achieved.
2. The spring and the like are arranged, so that the height of the guide mechanism can be automatically adjusted, the implantation depth of the implantation nail can be adjusted, the requirement that the same implantation nail can be used for different patients is met, the universality of the instrument is improved, and the economic burden of the patients is reduced.
3. The binding belt is connected with 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 schematic structural view of the orthopedic implant nail guide locking device of the present utility model.
Fig. 2 is a schematic structural view of a guide structure of the orthopedic implant nail guide locking device of the present utility model. Wherein a partial cross-section is taken in order to show the internal structure thereof.
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings, which are not to be construed as limiting the scope of the utility model.
The utility model relates to an orthopedic implant nail guide locking device which is used for treating limb trauma fracture and the like.
Fig. 1 shows a schematic structural view of the orthopedic implant nail guide locking device of the present utility model. As shown in fig. 1, the orthopedic implant nail guide locking device of the present utility model includes an arc-shaped locking plate 1, similar to the prior art. Wherein the concave surface of the arc-shaped locking plate 1 is attached to the bones (e.g., lower leg, arm, etc.) of the patient. The arc-shaped locking plate 1 is provided with a plurality of perforations 2. The perforations 2 are used for the passage of implantation nails. A guide 3 is provided around each of the through holes 2 and the guide 3 is provided on the outer convex surface of the arc-shaped locking plate 1. The guide mechanism 3 is used for guiding and fixing the implant nail.
Preferably, the arc-shaped locking plate 1 is made of a steel plate. Thus, the fixing of bones and the like of the patient can be better realized, thereby being more beneficial to the rehabilitation of the patient.
Unlike the prior art in which the guide post and the arc-shaped locking plate are integrally formed, in the present utility model, the guide mechanism 3 is connected to the outer convex surface of the arc-shaped locking plate 1 through a ball-and-socket connection structure. In this way, the guide mechanism 3 can be adjusted in angle with respect to the arc-shaped locking plate 1, thereby adjusting the implantation angle of the implant nail.
In particular, as shown in fig. 1 and 2, the outer convex surface of the arcuate locking plate 1 is provided with a connecting socket 1.1. And, two sides of each perforation 2 are respectively provided with one connecting nest 1.1. Meanwhile, the guide mechanism 3 comprises two connecting balls 3.1, two connecting cylinders 3.2, two connecting rods 3.3 and two springs 3.6.
Wherein, each connecting nest 1.1 is provided with one connecting ball 3.1 respectively to form the ball-socket connecting structure. Each of the connection balls 3.1 is connected to one end of one of the connection 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 to the inner side of the one end of the connecting cylinder 3.2, and the other end is connected to the one end of the connecting rod 3.3. In this way, the connecting rod 3.3 and the connecting cylinder 3.2 can move relatively, 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 ends of the guide posts 3.4. The guide post 3.4 is provided with a threaded hole 3.5 matched with the implanted nail.
In the present utility model, preferably, the arc-shaped locking plate 1 is further provided with a first strap 4 and a second strap 5 which are matched with each other to bind the arc-shaped locking plate 1 to a patient. In this way, the arcuate locking plate 1 is conveniently bound to the patient by the first strap 4 and the second strap 5, thereby further achieving its securement.
More preferably, the first strap 4 is provided with a plurality of first permanent magnets 6. The second binding band 5 is provided with a plurality of second permanent magnets 7. The first permanent magnet 6 and the second permanent magnet 7 have opposite magnetic properties. In this way, the arc-shaped locking plate 1 can be easily bound to the patient by the attraction of magnetism between the first permanent magnet 6 and the second permanent magnet 7, so that the operation thereof is simpler and more convenient.
Still preferably, the arc-shaped locking plate 1 is provided with three first straps 4 and three second straps 5. Most preferably, three of said first straps 4 and three of said second straps 5 are evenly spaced on said arcuate locking plate 1. In this way, a more stable fixation of the arc-shaped locking plate 1 to the patient can be ensured.
Also, in the present utility model, it is preferable that the first strap 4 and the second strap 5 are made of cotton cloth. This way, the patient can be more comfortable when it is bound to the patient.
Furthermore, in the present utility model, 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 perforation 2 is 2-3 times the diameter of the threaded hole 3.5. In this way, it is also ensured that the implantation pin can pass through the perforation 2 and be implanted in the patient when the guide means 3 is tilted with respect to the arcuate locking plate 1.
In use, the arcuate locking plate 1 is placed on a patient's injured limb (e.g., arm or calf) such that the concave surface of the arcuate locking plate 1 conforms to the patient's limb. Thereafter, the arc-shaped locking plate 1 is fastened to the limbs 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, according to the injury condition, the bone condition and the like of the patient, the angle of the guide mechanism 3 relative to the arc-shaped locking plate 1 is adjusted by means of the ball-and-socket connection structure, and after the angle adjustment is proper, the implantation nail is implanted into the patient through the threaded hole 3.5 and the through hole 2. During the implantation, the implantation depth of the implantation nail is determined according to the injury condition, the orthopaedics condition and the like of the patient. Since the spring 3.6 is arranged between the connecting rod 3.3 and the connecting cylinder 3.2, the height of the guiding mechanism 3 can be adjusted, and the implantation depth of the implantation nail can be adjusted.
The guiding mechanism of the orthopedic implant nail guiding and locking device is connected with the arc-shaped locking plate through the ball-and-socket connection structure, so that the angle of the guiding mechanism can be adjusted relative to the arc-shaped locking plate, implant nails can be arranged at different angles according to different patients, and further a better treatment effect can be achieved. Simultaneously, through setting up spring etc. in guiding mechanism for guiding mechanism's height can automatically regulated, thereby make the implantation degree of depth that can adjust the implantation nail, satisfied the demand that same kind implantation nail can be used for different patients, increased the commonality of apparatus, reduced patient's economic burden. Finally, the binding belt is connected with the magnet, 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 utility model are merely illustrative of the present utility model and are not intended to limit the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. Not all embodiments are exhaustive. All obvious changes or modifications which come within the spirit of the utility model are desired to be protected.
Claims (7)
1. The utility model provides an orthopedic implant nail direction locking device, its includes arc locking plate (1), the interior concave surface and the patient's skeleton laminating of arc locking plate (1), be equipped with a plurality of perforation (2) on arc locking plate (1), every be equipped with a guiding mechanism (3) around perforation (2) and guiding mechanism (3) set up on the outer convex surface of arc locking plate (1), its characterized in that guiding mechanism (3) with the evagination face of arc locking plate (1) passes through ball socket connection structure and links to each other, be equipped with connecting nest (1.1) on the outer convex surface of arc locking plate (1) and every the both sides of perforation (2) are equipped with respectively one connecting nest (1.1), guiding mechanism (3) are including two connecting balls (3.1), set up respectively in each connecting nest (1.1) one connecting ball (3.1) are in order to form the ball socket connection structure, each connecting ball (3.1) with the evagination face of a connecting tube (3.2) pass through ball socket connection structure, be equipped with connecting tube (3.2) on the outer convex surface of arc locking plate (1) and connecting tube (3.1) one end in the connecting tube (3.3) one end in the connecting tube (3.6) is equipped with one end in the connecting tube (3.3.6) one end in the connecting tube (3.3), the other ends of the two connecting rods (3.3) are connected with the lower end of the guide post (3.4), threaded holes (3.5) matched with implanted nails are formed in the guide post (3.4), the arc-shaped locking plate (1) is further provided with first binding bands (4) and second binding bands (5) which are matched with each other to bind the arc-shaped locking plate (1) on a patient, a plurality of first permanent magnets (6) are arranged on the first binding bands (4), a plurality of second permanent magnets (7) are arranged on the second binding bands (5), and the magnetism of the first permanent magnets (6) is opposite to that of the second permanent magnets (7).
2. The orthopedic implant nail guide locking device according to claim 1, characterized in that three of said first straps (4) and three of said second straps (5) are provided on said arcuate locking plate (1).
3. The orthopaedic implant nail guide locking device according to claim 2, wherein three of said first straps (4) and three of said second straps (5) are evenly spaced on said arcuate locking plate (1).
4. An orthopaedic implant nail guide locking device according to any one of claims 1-3, wherein the diameter of the perforations (2) is larger than the diameter of the threaded holes (3.5).
5. The orthopaedic implant nail guide locking device according to claim 4, wherein the diameter of the perforation (2) is 2-3 times the diameter of the threaded hole (3.5).
6. The orthopedic implant nail guide locking device according to claim 5, characterized in that the arc-shaped locking plate (1) is made of steel plate.
7. The orthopedic implant nail guide locking device according to claim 6, 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 CN112438790A (en) | 2021-03-05 |
| CN112438790B true CN112438790B (en) | 2023-09-22 |
Family
ID=74733582
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 |
Country Status (1)
| Country | Link |
|---|---|
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112438790A (en) | 2021-03-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10433873B2 (en) | External fixation | |
| US5865780A (en) | Transportable cervical immobilization device | |
| US9265528B2 (en) | Orthopedic fixation systems and methods | |
| US8282636B2 (en) | Orthopedic external fixator and method of use | |
| US9265529B2 (en) | Orthopedic fixation systems and methods | |
| US9066757B2 (en) | Orthopedic external fixator and method of use | |
| CN107550619B (en) | Leg fracture resetting device for orthopedics department | |
| US9615864B2 (en) | Limb lengthening system for residual limb | |
| GB2104782A (en) | Fracture fixator | |
| CN112438790B (en) | Orthopedic implant nail guide locking device | |
| DE10208406A1 (en) | Variable arm abduction orthosis | |
| US7621883B2 (en) | Slide lock | |
| US10314618B2 (en) | System and method for an external hip fixator | |
| Clark et al. | Halo pelvic traction appliance for spinal deformities | |
| CN211460462U (en) | Unilateral external fixation support | |
| AU2015101016A4 (en) | SecurTrac Orthopaediic Traction Device is a lightweight, transportable device for Cervical, Pelvic, Lumbar/Lower Limb Traction with Single Pull or Bi Lateral Pull capabilities. Variable angulation of the traction cord pull, provides variable tension (APLUS OR MINUS) with height adjustment. Variable width fixation to hospital beds, including Bariatric. Features a Slider Unit, for precise individual positioning of the device for selected application. Features a vertical push/pull pin for positive height adjustment, with secondary push pin for device safety. Folds for simple storage. | |
| CN108814790B (en) | Adjustable lever traction support for femur of children | |
| US20150282848A1 (en) | Knee brace fixation apparatus and method for application thereof | |
| WO1997031569A1 (en) | Arrangement for determining the state of curvature of areas of the human body | |
| CN219289835U (en) | Double-lower limb skin tractor | |
| CN215425041U (en) | Supracondylar fracture of humerus reduction fixator for cooperation with Kirschner wire | |
| RU2356512C1 (en) | Acetabulum fracture surgery apparatus | |
| CN212140558U (en) | Carbon fiber bone-knitting frame | |
| CN212037872U (en) | A limbs fixing device for medical treatment postoperative care | |
| RU2204344C2 (en) | Method for treating dislocation of acromial clavicular end |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
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 |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
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 |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |