CN109223163B - Orthopedics nail taking device - Google Patents
Orthopedics nail taking device Download PDFInfo
- Publication number
- CN109223163B CN109223163B CN201811429933.7A CN201811429933A CN109223163B CN 109223163 B CN109223163 B CN 109223163B CN 201811429933 A CN201811429933 A CN 201811429933A CN 109223163 B CN109223163 B CN 109223163B
- Authority
- CN
- China
- Prior art keywords
- pipe
- fixedly connected
- screwdriver
- nail
- connecting pipe
- 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
Images
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
- A61B17/92—Impactors or extractors, e.g. for removing intramedullary devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B2017/564—Methods for bone or joint treatment
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (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)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention discloses an orthopedic nail taking device and relates to the technical field of medical instruments. It comprises an inverted L-shaped connecting pipe; a screwdriver is rotatably connected in the vertical pipe of the connecting pipe; the transverse pipe of the connecting pipe is connected with a driven shaft in a rotating way; the right part of the connecting pipe is fixedly connected with a speed reducing motor; the upper end of the screwdriver is fixedly connected with a conical driven gear along the axial direction; a regulating pipe is connected below the connecting pipe and in threaded connection with the middle part of the screwdriver; the left end of the adjusting pipe is fixedly connected with a vertical connecting frame; the lower end of the connecting frame is fixedly connected with a claw hammer-shaped nail taking plate; the nail taking plate is correspondingly matched with the screwdriver; the right end gear of the driven gear is connected with a conical driving gear. The invention has the beneficial effects that: when getting the bone nail, laborsaving and the field of vision is good, and fixed firm convenient observation gets the bone nail more smoothly easier, is difficult to damage the bone nail moreover.
Description
Technical Field
The invention relates to the technical field of medical instruments.
Background
Bone nails are frequently used as adjunctive treatments in medical treatment. And traditional method often meets many problems when the bone nail is taken out, and traditional bone nail is taken out through rotating usually, but the bone nail is screwed into the bone, and simple rotation only does not have fixed device, and the screwdriver is easy to scratch, does not give the outside power of bone nail yet, and the bone nail is difficult for taking out and waste time and energy, and the hand when rotating blocks the field of vision of bone nail department easily moreover.
Disclosure of Invention
The invention aims to solve the technical problem and provides an orthopedic nail taking device aiming at the technical defects. When getting the bone nail, laborsaving and the field of vision is good, and fixed firm convenient observation gets the bone nail more smoothly easier, is difficult to damage the bone nail moreover.
The technical scheme adopted by the invention is as follows: providing an orthopedic nail-taking device which comprises an inverted L-shaped connecting pipe; a screwdriver is rotatably connected in the vertical pipe of the connecting pipe; the transverse pipe of the connecting pipe is connected with a driven shaft in a rotating way; the right part of the connecting pipe is fixedly connected with a speed reducing motor; the upper end of the screwdriver is fixedly connected with a conical driven gear along the axial direction; a regulating pipe is connected below the connecting pipe and in threaded connection with the middle part of the screwdriver; the left end of the adjusting pipe is fixedly connected with a vertical connecting frame; the lower end of the connecting frame is fixedly connected with a claw hammer-shaped nail taking plate; the nail taking plate is correspondingly matched with the screwdriver; the right end gear of the driven gear is connected with a conical driving gear; the right end of the driving gear is fixedly connected with the driven shaft along the axial direction; a driving shaft is arranged at the right end of the driven shaft; the right end of the driving shaft is fixedly connected with the output end of the speed reducing motor; the left end of the driving shaft is fixedly connected with a conical pipe; a pipe cover matched with the conical pipe is arranged on the outer side of the driven shaft; the inner side of the conical pipe is matched with the outer side of the right part of the driving shaft; the inner side of the conical pipe, the upper end and the lower end of the driving shaft are fixedly connected with small hammers; the front end and the rear end of the inner side of the conical pipe are fixedly connected with tension springs; the other end of the front tension spring is fixedly connected with the small iron hammer at the upper part; the other end of the rear tension spring is fixedly connected with the lower small hammer; electromagnets are fixedly connected with the inner sides of the conical pipes in front of the small iron hammers at the upper part and behind the small iron hammers at the lower part; a control switch of an electromagnet is arranged on the outer side of the conical tube; the upper end surface of the connecting pipe is provided with a switch hole corresponding to the control switch.
Further optimizing the technical scheme, the connecting pipe is in threaded connection with a clamping bolt at the upper end of the driving gear of the orthopedic nail taking device; the upper part of the left side of the connecting pipe is fixedly connected with a handheld column.
Further optimizes the technical proposal that the adjusting pipe of the orthopedic nail-taking device is provided with an adjusting rod outside.
Compared with the traditional nail taking device, the invention has the advantages that:
1. the adjusting tube, the screwdriver, the connecting frame and the nail taking plate are matched, and the nail taking plate is clamped at the nail cap of the bone nail, so that the bone nail is conveniently taken; the shape of the device is convenient for observing the visual field of the bone nail taking position;
2. the small hammer drives the driven shaft to rotate and swing back and forth all the time, the screwdriver can drive the bone nail to rotate and swing in the bone through the matching of the driving gear, the driven gear and the screwdriver, the bone nail can be driven to rotate and swing in the bone through the rotation and swing of the screwdriver, the bone nail can be taken out more easily through friction during the rotation and swing of the bone nail, the use is convenient, and the bone nail is not easy to damage;
3. the bone nail taking device comprises a speed reducing motor, a connecting frame, a driving shaft, a conical tube, a tension spring, an electromagnet, a driven shaft, a driving gear, a driven gear, a screwdriver, a regulating tube, a connecting frame and a nail taking plate, wherein the speed reducing motor is matched with the connecting frame, the driving shaft, the conical tube, the tension spring, the electromagnet, the driven shaft, the driving gear, the driven gear, the screwdriver, the regulating tube, the connecting frame and the nail taking plate, then the device is moved upwards and slowly, the bone nail can be taken out more easily by matching the pulling force taken out with the rotating force of the screwdriver, the downward rotating force generated when the bone nail is taken in a common mode is avoided, the friction is performed when the bone nail is matched with the rotating swing, so that the threads in a bone are smoother, the bone nail taking is more convenient, the setting of the speed reducing motor is labor-saving, the limiting is also performed when the bone nail is taken out, and the bone nail is taken out more firmly;
4. the bone nail taking device can also be manually operated, the driving gear is clamped by the clamping bolt, so that the driven shaft and the screwdriver can not rotate any more, the nail cap and the lower end of the screwdriver can be attached by attaching the nail taking plate, the adjusting rod, the adjusting pipe, the connecting frame and the nail taking plate, and the bone nail can be taken out by pulling the holding column and the connecting pipe outwards and rotating; the control switch can be turned on during manual operation, so that the bone nail can be conveniently taken out.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic view of a disassembled structure of the conical pipe of the present invention;
FIG. 4 is a schematic view of the inner structure of the conical tube of the present invention;
FIG. 5 is a schematic view of the screwdriver and the staple removing plate of the present invention in use;
FIG. 6 is a circuit diagram of the control switch of the present invention;
in the figure, 1, connecting pipe; 2. a screwdriver; 3. a driven shaft; 4. a reduction motor; 5. a driven gear; 6. an adjusting tube; 7. a connecting frame; 8. taking a nail plate; 9. a driving gear; 10. a drive shaft; 11. a conical tube; 12. a tube cover; 13. a small hammer; 14. a tension spring; 15. an electromagnet; 16. a control switch; 17. a switch hole; 18. clamping the bolt; 19. a hand-held post; 20. and adjusting the rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-6, the orthopedic nail-taking device comprises an inverted 'L' -shaped connecting tube 1; a screwdriver 2 is rotatably connected in the vertical pipe of the connecting pipe 1; a driven shaft 3 is rotatably connected in the transverse pipe of the connecting pipe 1; the right part of the connecting pipe 1 is fixedly connected with a speed reducing motor 4; the upper end of the screwdriver 2 is fixedly connected with a conical driven gear 5 along the axial direction; the middle part of the screwdriver 2 below the connecting pipe 1 is in threaded connection with an adjusting pipe 6; the left end of the adjusting pipe 6 is fixedly connected with a vertical connecting frame 7; the lower end of the connecting frame 7 is fixedly connected with a claw hammer-shaped nail taking plate 8; the nail taking plate 8 is correspondingly matched with the screwdriver 2; the right end gear of the driven gear is connected with a conical driving gear 9; the right end of the driving gear 9 is fixedly connected with the driven shaft 3 along the axial direction; a driving shaft 10 is arranged at the right end of the driven shaft 3; the right end of the driving shaft 10 is fixedly connected with the output end of the speed reducing motor 4; the left end of the driving shaft 10 is fixedly connected with a conical pipe 11; a pipe cover 12 matched with the conical pipe 11 is arranged on the outer side of the driven shaft 3; the inner side of the conical pipe 11 is matched with the outer side of the right part of the driving shaft 10; the upper end and the lower end of the driving shaft 10 on the inner side of the conical pipe 11 are fixedly connected with small hammers 13; the front end and the rear end of the inner side of the conical pipe 11 are fixedly connected with tension springs 14; the other end of the front tension spring 14 is fixedly connected with the upper small hammer 13; the other end of the rear tension spring 14 is fixedly connected with the lower small hammer 13; electromagnets 15 are fixedly connected with the inner sides of the conical pipes 11 in front of the small iron hammers 13 at the upper part and behind the small iron hammers 13 at the lower part; a control switch 16 of an electromagnet 15 is arranged outside the conical tube 11; the upper end surface of the connecting pipe 1 is provided with a switch hole 17 corresponding to the control switch 16; a clamping bolt 18 is connected to the upper end of the driving gear through threads on the connecting pipe 1; the upper part of the left side of the connecting pipe 1 is fixedly connected with a handheld column 19; an adjusting rod 20 is arranged outside the adjusting pipe 6.
When the bone nail taking device is used, the adjusting tube 6 is rotated, the adjusting tube 6 is matched with the screw thread of the screwdriver 2, the adjusting tube 6 drives the nail taking plate 8 to move through the connecting frame 7, the nail taking plate 8 is clamped at the nail cap of a bone nail, as shown in fig. 5, the switch 16 is firstly controlled to be turned on, and then the speed reducing motor 4 is turned on; the shape of the device is convenient for observing the visual field of the bone nail taking position;
the circuit diagram of the control switch 16 is shown in the figure, the circuit is similar to a traditional electric bell, when the control switch 16 is opened, the circuit can be repeatedly connected and disconnected, and the circuit can be repeatedly powered on and powered off;
when the control switch 16 is switched on, the electromagnet 15 is electrified to suck the small hammer 13, the small hammer 13 drives the driven shaft 3 to rotate clockwise when moving, the electromagnet 15 is switched off, the electromagnet 15 has no magnetic force, the small hammer 13 resets according to the elasticity of the tension spring 14, the small hammer 13 drives the driven shaft 3 to rotate anticlockwise when resetting, therefore, the electromagnet 15 is in power-on and power-off infinite circulation, the small hammer 13 drives the driven shaft 3 to swing back and forth all the time, the swing of the driven shaft 3 drives the driven gear 5 to swing rotationally through the driving gear 9, the driven gear 5 drives the screwdriver 2 to swing rotationally, the screwdriver 2 swings rotationally when taking out the bone and can drive the bone nail to swing rotationally in the bone, the bone nail is rubbed during the rotating swing so that threads in the bone are smoother, the bone nail is taken out more easily, the use is convenient, and the bone nail is not easy to damage;
when the gear motor 4 is opened, the connecting frame 7 is firstly fixed by hands, when the gear motor 4 is opened, the driving shaft 10 is driven to rotate, when the driving shaft 10 rotates, the driven shaft 3 is driven to rotate through the conical tube 11, the tension spring 14 and the electromagnet 15, the driven shaft 3 drives the driving gear 9 to rotate, the driving gear 9 drives the screwdriver 2 to rotate through the driven gear 5, when the screwdriver 2 rotates, the connecting frame 7 is fixed by the hands, the adjusting tube 6, the connecting frame 7 and the nail taking plate 8 move upwards while the screwdriver 2 rotates, when the screwdriver moves to the state shown in figure 5, the hands are loosened to be not fixed with the connecting frame 7 any more, the device moves upwards and slowly, the nail taking plate 8 also hooks the bone nail, when the bone nail is rotated, a pulling force for taking out is applied outwards, the bone nail is taken out more easily by matching with the rotating force of the screwdriver 2, the downward rotating force during ordinary bone nail taking is avoided, when the bone nail rotates and swings, the friction is applied, so that the threads in the bone nail can be smoother, the bone nail can be taken out more conveniently, the arrangement of the speed reducing motor 4 is labor-saving, the position is limited when the bone nail is taken out, and the bone nail can be taken out more firmly;
the bone nail taking device can also be operated manually without electricity, the clamping bolt 18 is screwed to clamp the driving gear 9, the driven shaft 3 and the screwdriver 2 are prevented from rotating, the nail taking plate 8 is clamped at the nail cap of the bone nail, the adjusting rod 20 is used for rotating the adjusting tube 6 to move the connecting frame 7 and the nail taking plate 8, the nail taking plate 8 and the nail cap are moved to be attached, the nail cap and the lower end of the screwdriver 2 are attached, and the bone nail can be taken out by pulling the handheld column 19 and the connecting tube 1 outwards and rotating;
the control switch 16 can be turned on at the same time of manual operation, so that the bone nail can be conveniently taken out.
Claims (3)
1. The utility model provides an orthopedics nail device of getting which characterized in that: comprises an inverted L-shaped connecting pipe (1); a screwdriver (2) is rotatably connected in the vertical pipe of the connecting pipe (1); a driven shaft (3) is rotatably connected in the transverse pipe of the connecting pipe (1); the right part of the connecting pipe (1) is fixedly connected with a speed reducing motor (4); the upper end of the screwdriver (2) is fixedly connected with a conical driven gear (5) along the axial direction; the middle part of the screwdriver (2) is in threaded connection with an adjusting pipe (6) below the connecting pipe (1); the left end of the adjusting pipe (6) is fixedly connected with a vertical connecting frame (7); the lower end of the connecting frame (7) is fixedly connected with a claw hammer-shaped nail taking plate (8); the nail taking plate (8) is correspondingly matched with the screwdriver (2); the right end gear of the driven gear (5) is connected with a conical driving gear (9); the right end of the driving gear (9) is fixedly connected with the driven shaft (3) along the axial direction; a driving shaft (10) is arranged at the right end of the driven shaft (3); the right end of the driving shaft (10) is fixedly connected with the output end of the speed reducing motor (4); the left end of the driving shaft (10) is fixedly connected with a conical pipe (11); a pipe cover (12) matched with the conical pipe (11) is arranged on the outer side of the driven shaft (3); the inner side of the conical pipe (11) is matched with the outer side of the right part of the driving shaft (10);
small hammers (13) are fixedly connected at the inner side of the conical pipe (11) and the upper and lower ends of the driving shaft (10); the front end and the rear end of the inner side of the conical pipe (11) are fixedly connected with tension springs (14); the other end of the front tension spring (14) is fixedly connected with the upper small hammer (13); the other end of the rear tension spring (14) is fixedly connected with a small iron hammer (13) at the lower part; electromagnets (15) are fixedly connected in front of the small iron hammer (13) at the upper part and behind the small iron hammer (13) at the lower part, and the inner side of the conical pipe (11); a control switch (16) of an electromagnet (15) is arranged on the outer side of the conical pipe (11); the upper end surface of the connecting pipe (1) is provided with a switch hole (17) corresponding to the control switch (16).
2. An orthopedic nail extraction device as claimed in claim 1, wherein: a clamping bolt (18) is connected with the upper end of the driving gear (9) through threads on the connecting pipe (1); the upper part of the left side of the connecting pipe (1) is fixedly connected with a handheld column (19).
3. An orthopedic nail extraction device as claimed in claim 1, wherein: an adjusting rod (20) is arranged on the outer side of the adjusting pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811429933.7A CN109223163B (en) | 2018-11-27 | 2018-11-27 | Orthopedics nail taking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811429933.7A CN109223163B (en) | 2018-11-27 | 2018-11-27 | Orthopedics nail taking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109223163A CN109223163A (en) | 2019-01-18 |
| CN109223163B true CN109223163B (en) | 2021-08-13 |
Family
ID=65074186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811429933.7A Active CN109223163B (en) | 2018-11-27 | 2018-11-27 | Orthopedics nail taking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109223163B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112244987B (en) * | 2020-11-05 | 2022-09-09 | 孙金堂 | Portable bone nail taking device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040158257A1 (en) * | 2003-02-12 | 2004-08-12 | Bonati Alfred O. | Extractor tube for removing orthopaedic hardware |
| US20100087831A1 (en) * | 2008-10-07 | 2010-04-08 | Donald Marx | Knee replacement nail remover |
| CN201870720U (en) * | 2010-11-30 | 2011-06-22 | 亓健 | Bone nail extractor |
| CN105852958A (en) * | 2016-05-03 | 2016-08-17 | 丽水市人民医院 | Novel nail taking device for orthopedic department |
| CN205548667U (en) * | 2016-03-23 | 2016-09-07 | 延安大学附属医院 | Convenient orthopedics of adjusting is got to bind and is put |
| CN206566012U (en) * | 2016-09-30 | 2017-10-20 | 河南中医药大学第三附属医院 | A kind of nail taking out apparatus in orthopaedics |
| CN107485442A (en) * | 2017-09-19 | 2017-12-19 | 上海市第十人民医院 | A kind of orthopedic nail extractor |
| CN107890366A (en) * | 2017-12-01 | 2018-04-10 | 戴康春 | A kind of orthopaedics with holding function is with taking nail equipment |
| CN207666685U (en) * | 2017-06-13 | 2018-07-31 | 陕西省第四人民医院 | A kind of quick painless nail-fetching device of bone surgery |
-
2018
- 2018-11-27 CN CN201811429933.7A patent/CN109223163B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040158257A1 (en) * | 2003-02-12 | 2004-08-12 | Bonati Alfred O. | Extractor tube for removing orthopaedic hardware |
| US20100087831A1 (en) * | 2008-10-07 | 2010-04-08 | Donald Marx | Knee replacement nail remover |
| CN201870720U (en) * | 2010-11-30 | 2011-06-22 | 亓健 | Bone nail extractor |
| CN205548667U (en) * | 2016-03-23 | 2016-09-07 | 延安大学附属医院 | Convenient orthopedics of adjusting is got to bind and is put |
| CN105852958A (en) * | 2016-05-03 | 2016-08-17 | 丽水市人民医院 | Novel nail taking device for orthopedic department |
| CN206566012U (en) * | 2016-09-30 | 2017-10-20 | 河南中医药大学第三附属医院 | A kind of nail taking out apparatus in orthopaedics |
| CN207666685U (en) * | 2017-06-13 | 2018-07-31 | 陕西省第四人民医院 | A kind of quick painless nail-fetching device of bone surgery |
| CN107485442A (en) * | 2017-09-19 | 2017-12-19 | 上海市第十人民医院 | A kind of orthopedic nail extractor |
| CN107890366A (en) * | 2017-12-01 | 2018-04-10 | 戴康春 | A kind of orthopaedics with holding function is with taking nail equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109223163A (en) | 2019-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109093474B (en) | Small-size stainless steel pipe fitting grinding device | |
| CN109223163B (en) | Orthopedics nail taking device | |
| CN206839970U (en) | A kind of semi-automatic screwdriver | |
| CN102784771A (en) | Water pipe cleaning robot | |
| CN206641907U (en) | One kind holds cap device | |
| CN210025087U (en) | Automatic screwdriver | |
| CN218397947U (en) | Anti-falling screw disassembling tool | |
| CN221088399U (en) | Steel pipe port demagnetizing device | |
| CN204673533U (en) | A kind of automatically giving continuously follows closely electric screw driver | |
| CN111823192A (en) | Electric keel clamp | |
| CN212020377U (en) | Clean grinding device is used in former material processing of metal | |
| CN214988574U (en) | Mouse clamping device with camera | |
| CN217277798U (en) | Handheld observation analyzer | |
| CN212051476U (en) | Leather fixing and clamping mechanism for leather softening | |
| CN215031401U (en) | Quick scrubbing device of split screw | |
| CN211300293U (en) | Femoral intramedullary nail beating and extracting device | |
| CN217193774U (en) | Energy-saving bolt installation device for workpiece | |
| CN220922223U (en) | Electric screw driver | |
| CN214643211U (en) | Electric wrench for building | |
| CN204954718U (en) | Convenient to use's screwdriver | |
| CN212193148U (en) | Electromechanical device maintenance is with holding device by head | |
| CN214604047U (en) | Adjustable torque screwing equipment | |
| CN218871948U (en) | Portable coating stirrer for fabric | |
| CN220461888U (en) | Screw processing side cut device | |
| CN202038076U (en) | Telescopic blackboard eraser |
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: Li Wencui Inventor after: Deng Zhiqin Inventor after: Li Lei Inventor before: Li Lei |
|
| CB03 | Change of inventor or designer information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210715 Address after: Shenzhen Second People's Hospital, 3002 Sungang West Road, Futian District, Shenzhen, Guangdong 518000 Applicant after: Shenzhen Second People's Hospital (Shenzhen Institute of translational medicine) Address before: 251100 Room 201, unit 2, building 2, 338 Qiyan street, Qihe County, Dezhou City, Shandong Province Applicant before: Li Lei |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |