CN211095694U - Lower limb fixing device for orthopedic knee joint replacement surgery - Google Patents
Lower limb fixing device for orthopedic knee joint replacement surgery Download PDFInfo
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- CN211095694U CN211095694U CN201920320977.XU CN201920320977U CN211095694U CN 211095694 U CN211095694 U CN 211095694U CN 201920320977 U CN201920320977 U CN 201920320977U CN 211095694 U CN211095694 U CN 211095694U
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- groove
- bevel gear
- fixing device
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Abstract
The utility model discloses a low limbs fixing device is used in orthopedics knee joint replacement operation, including the bed board, the top fixed mounting of bed board has the set-square, and fixed mounting has on the top inclined plane of set-square places the board, places the top of board and has seted up the foot groove, places top one side fixed mounting of board and has trapezoidal plate, place one side fixed mounting of board and have the push rod motor, the sliding connection has the movable plate in the foot groove, the output shaft of push rod motor extend to the foot inslot and with one side fixed connection of movable plate, the movable plate is close to one side of trapezoidal plate and has seted up flutedly, and one side that trapezoidal plate was kept away from to the movable plate is equipped with the rocking disc, the rocking disc is close to one side. The utility model discloses simple structure, convenient operation is convenient for fix patient's shank according to actual need, prevents that the doctor from rocking influence doctor's operation at operation in-process patient's shank, has practiced thrift the time of operation, satisfies the operation needs.
Description
Technical Field
The utility model relates to the technical field of medical equipment, especially, relate to an orthopedics knee joint replacement surgery uses low limbs fixing device.
Background
The knee joint is an important load bearing joint of the lower limb, the structure and the function of the knee joint are the most complicated in human joints, the degenerative osteoarthropathy of the knee joint is a common disease of the old, the incidence rate of knee joint osteoarthropathy male with symptoms reported to be over 50 years old is 35%, women are as high as 74%, more and more patients with serious knee joint osteoarthropathy need artificial knee joint replacement, the knee joint replacement can relieve knee joint pain, improve the knee joint function, correct knee joint deformity and obtain long-term stability, the prior lower limb fixing device for the orthopaedic knee joint replacement mainly comprises a bed plate, a triangular plate is fixedly arranged at the top of the bed plate, a placing plate is fixedly arranged on the inclined plane at the top of the triangular plate, a foot slot is arranged at the top of the placing plate, a trapezoidal plate is fixedly arranged at one side of the top of the placing plate, a, the foot groove is connected with a moving plate in a sliding mode, and an output shaft of the push rod motor extends into the foot groove and is fixedly connected with the outer wall of one side of the moving plate.
However, the existing lower limb fixing device for the orthopedic knee joint replacement surgery is not convenient for fixing the crus of a patient, the patient puts a leg frame on a trapezoidal plate and puts the taken foot in a foot groove, a push rod motor pushes a moving plate to clamp the foot of the patient in the foot groove, and in the surgery process, the crus of the patient easily shakes left and right to further affect the surgery of a doctor, so that the surgery time is prolonged, and the inconvenience is brought to the surgeon, therefore, the lower limb fixing device for the orthopedic knee joint replacement surgery is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a lower limb fixing device for the knee joint replacement operation in the department of orthopaedics.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a lower limb fixing device for an orthopedic knee joint replacement operation comprises a bed plate, wherein a triangular plate is fixedly mounted at the top of the bed plate, a placing plate is fixedly mounted on an inclined plane at the top of the triangular plate, a foot groove is formed in the top of the placing plate, a trapezoidal plate is fixedly mounted on one side of the top of the placing plate, a push rod motor is fixedly mounted on one side of the placing plate, a moving plate is connected in the foot groove in a sliding manner, an output shaft of the push rod motor extends into the foot groove and is fixedly connected with one side of the moving plate, a groove is formed in one side, close to the trapezoidal plate, of the moving plate, a rocking disc is arranged on one side, far away from the trapezoidal plate, of the rocking disc is fixedly mounted at one end of a first rotating rod, the other end of the first rotating rod extends into the groove and is fixedly mounted with a first bevel gear, a second, first screws are fixedly arranged on two sides of the second bevel gear, the thread turning directions of the two first screws are opposite, a sliding plate positioned in a groove is sleeved on the first screw in a threaded manner, one sides, far away from each other, of the two sliding plates extend out of the moving plate respectively, a rack is fixedly arranged on the top of each sliding plate, two connecting plates are slidably arranged on one sides, close to the trapezoidal plates, of the moving plates, the connecting plates are of hollow structures, second screws are arranged in the connecting plates, one ends, far away from each other, of the two second screws extend out of the corresponding connecting plates respectively and are fixedly provided with third bevel gears, the connecting plates are sleeved on the corresponding second screws in a threaded manner, second rotating rods are rotatably arranged on two sides of each moving plate, a fourth bevel gear is fixedly arranged at one end of each second rotating rod, the fourth bevel gear is meshed with the corresponding third bevel gear, and the first, first gear meshes with the rack that corresponds mutually, and the equal fixed mounting in one side that two connecting plates are close to each other has arc splint, one side fixed mounting that the movable plate is close to trapezoidal plate has the fixed plate, and the fixed plate rotates the cover and establishes on the second screw rod that corresponds.
Preferably, a first circular hole is formed in one side, away from the trapezoidal plate, of the groove, a first bearing is fixedly sleeved in the first circular hole, and an inner ring of the first bearing is fixedly sleeved on the outer side of the corresponding first rotating rod.
Preferably, through holes are formed in inner walls of two sides of the groove and are in sliding connection with corresponding sliding plates, a limiting groove is formed in the inner wall of one side of each through hole, a limiting block is fixedly connected to one side, close to the limiting groove, of each sliding plate, and the limiting blocks are in sliding connection with the corresponding limiting grooves.
Preferably, two sliding grooves are formed in one side, close to the trapezoidal plate, of the moving plate, sliding rods are fixedly mounted on one side, close to the moving plate, of the connecting plate, and the sliding grooves are in sliding connection with the corresponding sliding rods.
Preferably, both sides of the moving plate are fixedly provided with second bearings, and inner rings of the second bearings are fixedly sleeved with the outer sides of the corresponding second rotating rods.
Preferably, threaded holes are formed in one side, away from each other, of the two connecting plates, and the threaded holes are in threaded connection with the corresponding second screws.
Preferably, the two sliding plates are provided with a thread groove at one side close to each other, and the thread grooves are in threaded connection with the corresponding first screw rods.
Preferably, a second circular hole is formed in one side, close to each other, of each of the two fixing plates, a third bearing is fixedly sleeved in the second circular hole, and an inner ring of the third bearing is fixedly sleeved on the outer side of the corresponding second screw rod.
Preferably, two fourth bearings are fixedly mounted on the inner wall of one side of the groove, which is far away from the opening of the groove, and the inner ring of each fourth bearing is fixedly sleeved with the outer side of the corresponding first screw rod.
Compared with the prior art, the beneficial effects of the utility model are that:
by matching a placing plate 1, a foot groove 2, a moving plate 3, a groove 4, a rocking disc 5, a first rotating rod 6, a first bevel gear 7, a second bevel gear 8, a first screw 9, a sliding plate 10, a rack 11, a connecting plate 12, a second screw 13, a third bevel gear 14, a second rotating rod 15, a fourth bevel gear 16, a first gear 17, an arc-shaped clamping plate 18 and a fixing plate 19, the rocking disc 5 is rotated in the forward direction, the rocking disc 5 drives the first rotating rod 6 to rotate, the first rotating rod 6 drives the second bevel gear 8 to rotate through the rotation of the first bevel gear 7, the second bevel gear 8 drives two first screws 9 to rotate, under the action of the thread grooves, the first screws 9 drive the corresponding sliding plates 10 to move, the sliding plates 10 drive the first gears 17 to rotate through the corresponding racks 11, the first gears 17 drive the corresponding fourth bevel gears 16 to rotate through the second rotating rods 15, the fourth bevel gear 16 drives the corresponding second screw 13 to rotate through the third bevel gear 14, under the action of the threaded hole, the second screw 13 rotates to drive the connecting plate 12 to move, and the two connecting plates 12 respectively drive the corresponding two arc-shaped clamping plates 18 to fix the lower leg of the patient.
The utility model discloses simple structure, convenient operation is convenient for fix patient's shank according to actual need, prevents that the doctor from rocking influence doctor's operation at operation in-process patient's shank, has practiced thrift the time of operation, satisfies the operation needs.
Drawings
Fig. 1 is a schematic structural view of a lower limb fixing device for an orthopedic knee joint replacement surgery according to the present invention;
fig. 2 is a schematic top view of a portion a of a lower limb fixing device for an orthopedic knee joint replacement surgery according to the present invention;
FIG. 3 is a schematic view of the structure of part B in FIG. 2;
fig. 4 is a schematic structural diagram of part C in fig. 2.
In the figure: the device comprises a placing plate 1, a foot groove 2, a moving plate 3, a groove 4, a rocking disc 5, a first rotating rod 6, a first bevel gear 7, a second bevel gear 8, a first screw 9, a sliding plate 10, a rack 11, a connecting plate 12, a second screw 13, a third bevel gear 14, a second rotating rod 15, a fourth bevel gear 16, a first gear 17, an arc-shaped clamping plate 18, an arc-shaped clamping plate 19 and a fixing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, a lower limb fixing device for orthopedic knee joint replacement surgery comprises a bed plate, a triangular plate is fixedly installed at the top of the bed plate, a placing plate 1 is fixedly installed on the inclined plane at the top of the triangular plate, a foot slot 2 is formed at the top of the placing plate 1, a trapezoidal plate is fixedly installed at one side of the top of the placing plate 1, a push rod motor is fixedly installed at one side of the placing plate 1, a moving plate 3 is connected in the foot slot 2 in a sliding manner, an output shaft of the push rod motor extends into the foot slot 2 and is fixedly connected with one side of the moving plate 3, a groove 4 is formed at one side of the moving plate 3 close to the trapezoidal plate, a rocking disc 5 is arranged at one side of the moving plate 3 far from the trapezoidal plate, one end of a first rotating rod 6 is fixedly installed at one side of the rocking disc 5 close to the moving plate 3, the other end of, the second bevel gear 8 is meshed with the first bevel gear 7, first screws 9 are fixedly arranged on two sides of the second bevel gear 8, the thread turning directions of the two first screws 9 are opposite, sliding plates 10 positioned in the grooves 4 are sleeved on the first screws 9 in a threaded manner, one sides, far away from each other, of the two sliding plates 10 respectively extend out of the moving plate 3, racks 11 are fixedly arranged on the tops of the sliding plates 10, two connecting plates 12 are slidably arranged on one sides, close to the trapezoidal plates, of the moving plate 3, the connecting plates 12 are of a hollow structure, second screws 13 are arranged in the connecting plates 12, one ends, far away from each other, of the two second screws 13 respectively extend out of the corresponding connecting plates 12 and are fixedly provided with third bevel gears 14, the connecting plates 12 are sleeved on the corresponding second screws 13 in a threaded manner, second rotating rods 15 are rotatably arranged on two sides of the moving plate 3, and one end of each second rotating rod, a fourth bevel gear 16 is meshed with a corresponding third bevel gear 14, a first gear 17 is fixedly arranged at the other end of the second rotating rod 15, the first gear 17 is meshed with a corresponding rack 11, arc-shaped clamping plates 18 are fixedly arranged at the mutually close sides of the two connecting plates 12, a fixed plate 19 is fixedly arranged at one side of the moving plate 3 close to the trapezoidal plate, the fixed plate 19 is rotatably sleeved on the corresponding second screw 13, and the rocking disc 5, the first rotating rod 6, the first bevel gear 7, the second bevel gear 8, the first screw 9, the sliding plate 10, the rack 11, the connecting plates 12, the second screw 13, the third bevel gear 14, the second rotating rod 15, the fourth bevel gear 16, the first gear 17, the arc-shaped clamping plates 18 and the fixed plate 19 are matched with each other through arrangement of the placing plate 1, the foot grooves 2, the moving plate 3, the grooves 4, the rocking disc 5, the first rotating rod 6, the first bevel gear 7, the second bevel gear 8, the utility model has the advantages of simple structure and convenient operation, is convenient for fixing the crus of a patient according to actual needs, prevents doctors from shaking the crus of the patient to influence the doctors' operations in the operation process, saves the operation time and meets the use requirement.
In the utility model, one side of the groove 4 far from the trapezoidal plate is provided with a first circular hole, the first circular hole is internally and fixedly sleeved with a first bearing, the inner ring of the first bearing is fixedly sleeved with the outer side of a corresponding first rotating rod 6, the inner walls of the two sides of the groove 4 are both provided with through holes, the through holes are in sliding connection with a corresponding sliding plate 10, the inner wall of one side of the through hole is provided with a limit groove, one side of the sliding plate 10 close to the limit groove is fixedly connected with a limit block, the limit block is in sliding connection with a corresponding limit groove, one side of the moving plate 3 close to the trapezoidal plate is provided with two sliding grooves, one side of the connecting plate 12 close to the moving plate 3 is fixedly provided with a sliding rod, the sliding grooves are in sliding connection with a corresponding sliding rod, the two sides of the moving plate 3 are both fixedly provided with second bearings, the, the threaded hole is in threaded connection with a corresponding second screw 13, threaded grooves are formed in the sides, close to each other, of the two sliding plates 10, the threaded grooves are in threaded connection with corresponding first screws 9, second circular holes are formed in the sides, close to each other, of the two fixing plates 19, a third bearing is fixedly sleeved in each second circular hole, an inner ring of each third bearing is fixedly sleeved with the outer side of the corresponding second screw 13, two fourth bearings are fixedly installed on the inner wall, far away from the opening, of each groove 4, the inner wall of one side, far away from the opening, of each groove 4, the inner ring of each fourth bearing is fixedly sleeved with the outer side of the corresponding first screw 9, and the groove is formed by arranging the placing plate 1, the foot groove 2, the moving plate 3, the groove 4, the rocking disc 5, the first rotating rod 6, the first bevel gear 7, the second bevel gear 8, the first screw 9, the sliding plates 10, the rack 11, the connecting plate 12, the fourth bevel gear 16, the first gear 17, the arc-shaped splints 18 and the fixed plate 19 are matched, the rocking disc 5 is rotated in the forward direction, the rocking disc 5 drives the first rotating rod 6 to rotate, the first rotating rod 6 drives the second bevel gear 8 to rotate through the rotation of the first bevel gear 7, the second bevel gear 8 drives the two first screws 9 to rotate, under the action of the thread groove, the first screws 9 drive the corresponding sliding plates 10 to move in position, the sliding plates 10 drive the first gears 17 to rotate through the corresponding racks 11, the first gears 17 drive the corresponding fourth bevel gears 16 to rotate through the second rotating rods 15, the fourth bevel gears 16 drive the corresponding second screws 13 to rotate through the third bevel gears 14, under the action of the thread holes, the second screws 13 rotate to drive the connecting plates 12 to move in position, the two connecting plates 12 respectively drive the corresponding two arc-shaped splints 18 to fix the lower leg of the patient, the utility model discloses simple structure, convenient operation is convenient for press from both sides tight fixedly to patient's shank according to actual need, prevents that the doctor from rocking influence doctor's operation at operation in-process patient's shank, has practiced thrift the time of operation, satisfies the operation needs.
The working principle is as follows: when the lower leg of a patient needs to be fixed, the rocking disc 5 is rotated in the forward direction, the rocking disc 5 drives the first rotating rod 6 to rotate, the first rotating rod 6 drives the first bevel gear 7 to rotate, the first bevel gear 7 drives the second bevel gear 8 to rotate due to the meshing of the first bevel gear 7 and the second bevel gear 8, the second bevel gear 8 drives the two first screws 9 to rotate, under the action of the thread groove formed on the sliding plate 10, the first screws 9 rotate to drive the corresponding sliding plate 10 to move in the direction away from the second bevel gear 8, the sliding plate 10 drives the corresponding rack 11 to move in the direction away from the second bevel gear 8, due to the meshing of the rack 11 and the corresponding first gear 17, the rack 11 moves to drive the first gear 17 to rotate, the first gear 17 rotates to drive the corresponding second rotating rod 15 to rotate, the second rotating rod 15 drives the corresponding fourth bevel gear 16 to rotate, because the fourth bevel gear 16 is meshed with the corresponding third bevel gear 14, the fourth bevel gear 16 rotates to drive the third bevel gear 14 to rotate, the third bevel gear 14 rotates to drive the corresponding second screw 13 to rotate, under the action of a threaded hole formed in the connecting plate 12, the second screw 13 rotates to drive the connecting plate 12 to move towards one side where the two connecting plates 12 are close to each other, the two connecting plates 12 respectively drive the corresponding arc-shaped splints 18 to move towards the direction positions close to the shanks of the patients, and the two arc-shaped splints 18 clamp and fix the shanks of the patients, so that the shanks of the patients are prevented from shaking to influence the operations of the doctors in the operation process of the doctors, and the operation time is saved.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (9)
1. The lower limb fixing device for the orthopedic knee joint replacement surgery comprises a bed plate, wherein a triangular plate is fixedly mounted at the top of the bed plate, a placing plate (1) is fixedly mounted on an inclined plane at the top of the triangular plate, a foot groove (2) is formed in the top of the placing plate (1), a trapezoidal plate is fixedly mounted on one side of the top of the placing plate (1), a push rod motor is fixedly mounted on one side of the placing plate (1), a moving plate (3) is connected in the foot groove (2) in a sliding manner, an output shaft of the push rod motor extends into the foot groove (2) and is fixedly connected with one side of the moving plate (3), the lower limb fixing device is characterized in that one side, close to the trapezoidal plate, of the moving plate (3) is provided with a groove (4), one side, far away from the trapezoidal plate, of the moving plate (3) is provided with a rocking disc (5), one side, the other end of the first rotating rod (6) extends into the groove (4) and is fixedly provided with a first bevel gear (7), a second bevel gear (8) is arranged in the groove (4), the second bevel gear (8) is meshed with the first bevel gear (7), first screws (9) are fixedly arranged on two sides of the second bevel gear (8), the thread turning directions of the two first screws (9) are opposite, a sliding plate (10) positioned in the groove (4) is sleeved on the first screw (9) in a threaded manner, one sides, far away from each other, of the two sliding plates (10) respectively extend out of the moving plate (3), a rack (11) is fixedly arranged at the top of each sliding plate (10), two connecting plates (12) are slidably arranged on one side, close to the trapezoidal plate, of the moving plate (3), the connecting plates (12) are of a hollow structure, and a second screw (13) is arranged in each connecting plate (12), one ends of the two second screw rods (13) far away from each other respectively extend to the outside of the corresponding connecting plates (12) and are fixedly provided with third bevel gears (14), the connecting plates (12) are sleeved on the corresponding second screw rods (13) in a threaded manner, the two sides of the movable plate (3) are respectively and rotatably provided with second rotating rods (15), one end of the second rotating rod (15) is fixedly provided with a fourth bevel gear (16), the fourth bevel gear (16) is meshed with a corresponding third bevel gear (14), the other end of the second rotating rod (15) is fixedly provided with a first gear (17), the first gear (17) is meshed with a corresponding rack (11), one side of each of the two connecting plates (12) close to each other is fixedly provided with an arc-shaped clamping plate (18), one side of the moving plate (3) close to the trapezoidal plate is fixedly provided with a fixed plate (19), and the fixed plate (19) is rotatably sleeved on the corresponding second screw (13).
2. The lower limb fixing device for the orthopaedic knee joint replacement surgery according to claim 1, wherein a first circular hole is formed in one side of the groove (4) away from the trapezoidal plate, a first bearing is fixedly sleeved in the first circular hole, and an inner ring of the first bearing is fixedly sleeved with the outer side of the corresponding first rotating rod (6).
3. The lower limb fixing device for orthopaedic knee replacement surgery according to claim 1, wherein the grooves (4) are formed with through holes on both inner walls thereof, the through holes are slidably connected with the corresponding sliding plates (10), a limiting groove is formed on one inner wall of the through holes, and a limiting block is fixedly connected to one side of the sliding plates (10) close to the limiting groove and slidably connected with the corresponding limiting groove.
4. The lower limb fixing device for the orthopaedic knee replacement surgery according to claim 1, wherein two sliding grooves are formed at one side of the moving plate (3) close to the trapezoidal plate, and sliding rods are fixedly installed at one side of the connecting plate (12) close to the moving plate (3) and are in sliding connection with the corresponding sliding rods.
5. The lower limb fixing device for the orthopaedic knee replacement surgery according to claim 1, wherein a second bearing is fixedly mounted on each side of the moving plate (3), and the inner ring of the second bearing is fixedly sleeved with the outer side of the corresponding second rotating rod (15).
6. The lower limb fixing device for the orthopaedic knee replacement surgery according to claim 1, wherein the two connecting plates (12) are each provided with a threaded hole on the side away from each other, and the threaded holes are in threaded connection with the corresponding second screws (13).
7. The lower limb fixing device for the orthopaedic knee replacement surgery according to claim 1, wherein the two sliding plates (10) are provided with a threaded groove on the side close to each other, and the threaded grooves are in threaded connection with the corresponding first screws (9).
8. The lower limb fixing device for the orthopaedic knee replacement surgery according to claim 1, wherein one side of each of the two fixing plates (19) close to each other is provided with a second circular hole, a third bearing is fixedly sleeved in the second circular hole, and an inner ring of the third bearing is fixedly sleeved with the outer side of the corresponding second screw (13).
9. The lower limb fixing device for the orthopaedic knee replacement surgery according to claim 1, wherein two fourth bearings are fixedly mounted on the inner wall of the groove (4) on the side away from the opening, and the inner ring of each fourth bearing is fixedly sleeved with the outer side of the corresponding first screw (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920320977.XU CN211095694U (en) | 2019-03-07 | 2019-03-07 | Lower limb fixing device for orthopedic knee joint replacement surgery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920320977.XU CN211095694U (en) | 2019-03-07 | 2019-03-07 | Lower limb fixing device for orthopedic knee joint replacement surgery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211095694U true CN211095694U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920320977.XU Expired - Fee Related CN211095694U (en) | 2019-03-07 | 2019-03-07 | Lower limb fixing device for orthopedic knee joint replacement surgery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211095694U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114404209A (en) * | 2022-03-10 | 2022-04-29 | 黑龙江中医药大学 | Lower limb fixing device for knee joint replacement surgery in orthopedics department |
-
2019
- 2019-03-07 CN CN201920320977.XU patent/CN211095694U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114404209A (en) * | 2022-03-10 | 2022-04-29 | 黑龙江中医药大学 | Lower limb fixing device for knee joint replacement surgery in orthopedics department |
| CN114404209B (en) * | 2022-03-10 | 2022-08-19 | 黑龙江中医药大学 | Lower limb fixing device for knee joint replacement surgery in orthopedics department |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200728 |