CN212140539U - Surgical knife - Google Patents
Surgical knife Download PDFInfo
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- CN212140539U CN212140539U CN201922503199.0U CN201922503199U CN212140539U CN 212140539 U CN212140539 U CN 212140539U CN 201922503199 U CN201922503199 U CN 201922503199U CN 212140539 U CN212140539 U CN 212140539U
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- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 230000000670 limiting effect Effects 0.000 claims description 50
- 206010006514 bruxism Diseases 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 7
- 230000009471 action Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000032544 Cicatrix Diseases 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 230000037387 scars Effects 0.000 description 1
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Abstract
The utility model provides a surgical knife includes: a scalpel body and a jacket; wherein, scalpel body includes: the handle body, the cutter body, the transmission mechanism and the trigger; the handle body is in a pistol shape with a hollow interior, one end of the handle body is an outlet end, and the other end of the handle body is a handle end; one end of the cutter body is arranged at the outlet end of the handle body, and the other end of the cutter body is a free end; the trigger is arranged at the bending part of the handle; the transmission mechanism is arranged between the handle and the trigger, and the transmission mechanism is integrally arranged in the handle. The jacket is sleeved at the free end of the cutter body. The utility model has the characteristics of simple structure, weight are light, with low costs, convenient to use etc, but wide application in medical field.
Description
Technical Field
The utility model relates to a surgical operation technical field especially relates to a scalpel.
Background
With the development of the scientific and technological level and the improvement of the living standard of people, the minimally invasive medical treatment is more and more popular among doctors and patients due to the characteristics of small pain, small wound, tiny scars, less bleeding during operation, quick body recovery and the like caused by the minimally invasive medical treatment. Ultrasonic surgical instruments are widely used in minimally invasive medical procedures. However, the ultrasonic surgical instrument has too many parts and heavy weight, which easily causes hand fatigue of the doctor in the process of holding and using, and may affect the operation to a certain extent.
Therefore, in the prior art, the surgical instrument for minimally invasive surgery has the problems of complex structure, heavy weight, inconvenient use, high cost and the like.
Disclosure of Invention
In view of this, the main objective of the present invention is to provide a scalpel with simple structure, light weight, low cost and convenient use.
In order to achieve the above object, the utility model provides a technical scheme does:
a scalpel, comprising: a scalpel body and a jacket; wherein, scalpel body includes: the handle body, the cutter body, the transmission mechanism and the trigger;
the handle body is in a pistol shape with a hollow interior, one end of the handle body is an outlet end, and the other end of the handle body is a handle end; one end of the cutter body is horizontally arranged at the outlet end of the handle body, and the other end of the cutter body is a free end; the trigger is arranged at the outer side of the bent part of the handle body; the transmission mechanism is arranged between the handle and the trigger and between the handle body and the cutter body, and the transmission mechanism is integrally arranged in the handle. The jacket is sleeved at the free end of the cutter body.
The trigger includes: a rotating shaft (6) and a wrench (7); wherein, spanner (7) are arc L type, and spanner (7) short side top is rotated and is connected on pivot (6), and pivot (6) are fixed in inside the handle body bending part, spanner (7) set up in the handle body bending part outside.
The transmission mechanism includes: the device comprises a card (9), a first limiting clamping groove (10), a first linkage rod (8), a gear (11), a second linkage rod (12), a second limiting clamping groove (13), a linkage piece (15), a push plate (16), a first spring (5), a second spring (14) and a baffle plate (19); the card (9) and the first limiting clamping groove (10) are both arc-shaped, and a meshed tooth is arranged on one side in the second limiting clamping groove (13);
first spacing draw-in groove (10) install in the lower part in the handle body handle end, card (9) one end is fixed in spanner (7) long avris, and card (9) other end is the free end, and card (9) free end pegs graft in first spacing draw-in groove (10).
The second limiting clamping groove (13) is vertically arranged at the upper part in the handle body along the handle end of the handle body, a grinding tooth is arranged on the inner side, close to the wrench (7), of the second limiting clamping groove (13), the gear (11) is rotatably arranged in the second limiting clamping groove (13), and the gear (11) is meshed with the grinding tooth in the second limiting clamping groove (13); one end of a first linkage rod (8) is fixed at the upper part of one end of a long side clamping sheet (9) of the wrench (7), and the other end of the first linkage rod (8) is fixed on a shaft of a gear (11); one end of the second linkage rod (12) is also fixed on the shaft of the gear (11), and the other end of the second linkage rod (12) is fixed at the middle rear part of the linkage piece (15).
The linkage piece (15) is horizontally arranged at the upper part in the handle body; in the handle body, the front end of the linkage piece (15) is provided with a push plate (16), and the push plate (16) is fixedly connected to the front side of the pull pin (4); a first spring (5) is further arranged above the front part of the linkage piece 15, the first spring (5) is horizontally arranged in the handle body, one end of the first spring (5) is positioned on one side of the pull pin (4), but one end of the first spring (5) is not fixedly connected with the pull pin (4), and the other end of the first spring (5) is fixed with the inside of the handle body; the rear end of the linkage piece (15) is fixedly connected with one end of a second spring (14), the other end of the second spring (14) is fixed on a baffle plate (19), and the baffle plate (19) is fixed at the rear end in the handle body.
Alternatively, the transmission mechanism comprises: the device comprises a card (9), a first limiting clamping groove (10), a first linkage rod (8), a rotor (21), a second linkage rod (12), a third limiting clamping groove (23), a linkage piece (15), a push plate (16), a first spring (5), a second spring (14) and a baffle plate (19); wherein, the card (9) and the first limit clamping groove (10) are both arc-shaped;
first spacing draw-in groove (10) install in the lower part in the handle body handle end, card (9) one end is fixed in spanner (7) long avris, and card (9) other end is the free end, and card (9) free end pegs graft in first spacing draw-in groove (10).
A third limiting clamping groove (23) is vertically arranged at the upper part in the handle of the handle body along the handle end of the handle body, a grinding tooth is arranged on the inner side, close to the wrench (7), of the second limiting clamping groove (13), and a rotor (21) is rotatably arranged in the third limiting clamping groove (23); one end of a first linkage rod (8) is fixed at the upper part of one end of a long side clamping sheet (9) of the wrench (7), and the other end of the first linkage rod (8) is sleeved on a shaft of the rotor (21); one end of the second linkage rod (12) is also sleeved on the shaft of the rotor (21), and the other end of the second linkage rod (12) is fixed at the middle rear part of the linkage piece (15).
The linkage piece (15) is horizontally arranged at the upper part in the handle body; in the handle body, the front end of the linkage piece 15 is provided with a push plate (16), and the push plate (16) is fixedly connected to the front side of the pull pin (4); a first spring (5) is further arranged above the front part of the linkage piece (15), the first spring (5) is horizontally arranged in the handle body, one end of the first spring (5) is positioned on one side of the pull pin (4), but one end of the first spring (5) is not fixedly connected with the pull pin (4), and the other end of the first spring (5) is fixed with the inside of the handle body; the rear end of the linkage piece (15) is fixedly connected with one end of a second spring (14), the other end of the second spring (14) is fixed on a baffle plate (19), and the baffle plate (19) is fixed at the rear end in the handle body.
To sum up, a scalpel comprises pistol form handle body, cutter body, trigger and drive mechanism, and drive mechanism hookup handle body, trigger and cutter body, the cutter body is installed in the handle body exit end, and the trigger is installed in the handle body bending part outside. When the trigger is pressed by hand, the trigger drives the transmission mechanism to move, and the transmission mechanism drives the cutter body to move inwards or outwards towards the handle body, so that the operation is completed. Therefore, the scalpel has the advantages of simple structure, light weight, low cost and convenient use.
Drawings
Fig. 1 is a main sectional view of a first general structure of the scalpel body according to the present invention.
Fig. 2 is a main sectional view of a second general structure of the scalpel body according to the present invention.
Fig. 3 is a main sectional view of an enlarged structure of a surgical knife holder according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a main sectional view of a first general structure of the scalpel body according to the present invention. Fig. 2 is a main sectional view of a second general structure of the scalpel body according to the present invention. Fig. 3 is a main sectional view of an enlarged structure of a surgical knife holder according to the present invention. As shown in fig. 1, 2 and 3, the scalpel of the present invention comprises: a scalpel body, a jacket 20; wherein, scalpel body includes: the handle body, the cutter body, the transmission mechanism and the trigger; wherein,
the handle body is in a pistol shape with a hollow interior, one end of the handle body is an outlet end, and the other end of the handle body is a handle end; one end of the cutter body is horizontally arranged at the outlet end of the handle body, and the other end of the cutter body is a free end; the trigger is arranged at the outer side of the bent part of the handle body; the transmission mechanism is arranged between the handle and the trigger and between the handle body and the cutter body, and the transmission mechanism is integrally arranged in the handle. The jacket 20 is sleeved on the free end of the cutter body.
In a word, a scalpel comprises pistol form handle body, cutter body, trigger and drive mechanism, and drive mechanism hookup handle body, trigger and cutter body, the cutter body is installed in handle body exit end, and the trigger is installed in the handle body bending part outside. When the trigger is pressed by hand, the trigger drives the transmission mechanism to move, and the transmission mechanism drives the cutter body to move inwards or outwards towards the handle body, so that the operation is completed. Therefore, the scalpel has the advantages of simple structure, light weight, low cost and convenient use.
The utility model discloses in, the cutter body includes: the tissue cutting device comprises an elastic forceps head 1, a tissue gasket 2 and a cutter bar assembly 3; the cutter bar component 3 comprises an inner rod 17, an outer rod 18 and a pull pin 4, wherein the outer rod 18 is of a hollow structure; the inner rod 17 penetrates through the outer rod 18, one end of the sleeved inner rod 17 and one end of the sleeved outer rod 18 are fixedly inserted into the outlet end of the handle body, and one end of the inner rod 17 inserted into the outlet end of the handle body is also fixedly connected with a pull pin 4; the other end of the inner rod 17 is fixedly provided with an elastic forceps head 1 as a free end, the other end of the outer rod 18 is fixedly provided with a tissue gasket 2 as a free end, the tissue gasket 2 is inelastic, and the elastic forceps head 1 and the tissue gasket 2 correspondingly form a cutter.
The utility model discloses in, the trigger includes: a rotating shaft 6 and a wrench 7; wherein, spanner 7 is arc L type, and spanner 7 short side limit top is rotated and is connected on pivot 6, and pivot 6 is fixed in inside the handle body bending part, spanner 7 set up in the handle body bending part outside.
As shown in fig. 1, the transmission mechanism includes: the device comprises a card 9, a first limit clamping groove 10, a first linkage rod 8, a gear 11, a second linkage rod 12, a second limit clamping groove 13, a linkage piece 15, a push plate 16, a first spring 5, a second spring 14 and a baffle plate 19; the card 9 and the first limiting clamping groove 10 are both arc-shaped, and a tooth is arranged on one side in the second limiting clamping groove 13; the first limiting clamping groove 10 is arranged at the lower part in the handle end of the handle body, one end of the card 9 is fixed at the long side of the wrench 7, the other end of the card 9 is a free end, and the free end of the card 9 is inserted into the first limiting clamping groove 10. The second limiting clamping groove 13 is vertically arranged at the upper part in the handle of the handle body along the handle end of the handle body, a tooth is arranged at the inner side of the second limiting clamping groove 13 close to the wrench 7, the gear 11 is rotatably arranged in the second limiting clamping groove 13, and the gear 11 is meshed with the tooth in the second limiting clamping groove 13; one end of a first linkage rod 8 is fixed at the upper part of one end of a long side clamping sheet 9 of the wrench 7, and the other end of the first linkage rod 8 is fixed on a shaft of a gear 11; one end of the second linkage rod 12 is also fixed to the shaft of the gear 11, and the other end of the second linkage rod 12 is fixed to the middle rear portion of the linkage piece 15. The linkage piece 15 is horizontally arranged at the upper part in the handle body; in the handle body, the front end of the linkage piece 15 is provided with a push plate 16, and the push plate 16 is fixedly connected to the front side of the pull pin 4; a first spring 5 is further arranged above the front part of the linkage piece 15, the first spring 5 is horizontally arranged in the handle body, one end of the first spring 5 is positioned on one side of the pull pin 4, but one end of the first spring 5 is not fixedly connected with the pull pin 4, and the other end of the first spring 5 is fixed with the inside of the handle body; the rear end of the linkage piece 15 is fixedly connected with one end of the second spring 14, the other end of the second spring 14 is fixed on a baffle plate 19, and the baffle plate 19 is fixed at the rear end in the handle body.
As shown in fig. 2, the transmission mechanism includes: the device comprises a card 9, a first limit clamping groove 10, a first linkage rod 8, a rotor 21, a second linkage rod 12, a third limit clamping groove 23, a linkage piece 15, a push plate 16, a first spring 5, a second spring 14 and a baffle plate 19; the card 9 and the first limiting clamping groove 10 are both arc-shaped; the first limiting clamping groove 10 is arranged at the lower part in the handle end of the handle body, one end of the card 9 is fixed at the long side of the wrench 7, the other end of the card 9 is a free end, and the free end of the card 9 is inserted into the first limiting clamping groove 10. A third limiting clamping groove 23 is vertically arranged at the upper part in the handle of the handle body along the handle end of the handle body, and the rotor 21 is rotatably arranged in the third limiting clamping groove 23; one end of a first linkage rod 8 is fixed at the upper part of one end of a long side clamping sheet 9 of the wrench 7, and the other end of the first linkage rod 8 is sleeved on a shaft of the rotor 21; one end of the second linkage rod 12 is also sleeved on the shaft of the rotor 21, and the other end of the second linkage rod 12 is fixed at the middle rear part of the linkage piece 15. The linkage piece 15 is horizontally arranged at the upper part in the handle body; in the handle body, the front end of the linkage piece 15 is provided with a push plate 16, and the push plate 16 is fixedly connected to the front side of the pull pin 4; a first spring 5 is further arranged above the front part of the linkage piece 15, the first spring 5 is horizontally arranged in the handle body, one end of the first spring 5 is positioned on one side of the pull pin 4, but one end of the first spring 5 is not fixedly connected with the pull pin 4, and the other end of the first spring 5 is fixed with the inside of the handle body; the rear end of the linkage piece 15 is fixedly connected with one end of the second spring 14, the other end of the second spring 14 is fixed on a baffle plate 19, and the baffle plate 19 is fixed at the rear end in the handle body.
In practical applications, the linkage 15 and the push plate 16 may be a unitary structure.
The utility model discloses in, press from both sides cover 20 suit in cutter body free end, specifically do: the jacket 20 is sleeved at one end of the binding clip 1 of the cutter body; the jacket 20 has a square hollow structure as a whole, and the hollow structure has a funnel shape.
In the utility model, the first spring 5 has a limiting effect on the backward movement of the inner rod 17. In practice, the second linkage rod 12 is installed at an angle.
In conclusion, when the scalpel of the utility model is held by hand, the wrench is pressed by hand, moves towards the direction close to the handle along the rotating shaft, and pushes the card to move towards the first limiting clamping groove; meanwhile, the wrench pushes the first linkage rod to drive the gear to move along the second limiting clamping groove from bottom to top in a meshed manner, or the wrench pushes the first linkage rod to drive the rotor to move along the third limiting clamping groove from bottom to top; the gear or the rotor moving upwards simultaneously pushes the second linkage rod to move backwards, and the second linkage rod further drives the linkage part to also compress the second spring to move backwards; the moving linkage piece drives the pull pin and the push plate to move backwards and compress the first spring; the push plate further drives the elastic forceps head to move backwards, and at the moment, the elastic forceps head and the tissue gasket which form the cutter are correspondingly closed. The wrench is loosened, moves in the direction away from the handle along the rotating shaft, and pulls the card to move towards the outside of the first limiting clamping groove; meanwhile, the wrench pulls the first linkage rod to drive the gear to move along the second limiting clamping groove in a meshed manner from top to bottom, or the wrench pulls the first linkage rod to drive the rotor to move along the third limiting clamping groove from top to bottom; the gear or the rotor moving downwards pushes the second linkage rod to move forwards at the same time, and the linkage piece moves forwards under the pulling action of the second linkage rod and the elastic force action of the second spring; the pull pin and the push plate further drive the elastic binding clip to move forwards under the pushing action of the linkage piece and the elastic action of the first spring, at the moment, the elastic binding clip forming the cutter is correspondingly opened with the tissue gasket, and the cutter is reset. Therefore, the components of the pistol-shaped handle body, the knife body, the trigger and the transmission mechanism in the scalpel are all simple, and except that the knife meets the medical requirement, all the other components are made of common materials, so the scalpel has lower cost and lighter weight; furthermore, the scalpel of the utility model is convenient to use. In addition, when the scalpel is in a non-working state, the knife part is sleeved by the jacket, so that the sanitation and the safety of the knife are ensured.
In summary, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A surgical knife, comprising: a scalpel body, a jacket (20); wherein, scalpel body includes: the handle body, the cutter body, the transmission mechanism and the trigger;
the handle body is in a pistol shape with a hollow interior, one end of the handle body is an outlet end, and the other end of the handle body is a handle end; one end of the cutter body is horizontally arranged at the outlet end of the handle body, and the other end of the cutter body is a free end; the trigger is arranged at the outer side of the bent part of the handle body; the transmission mechanism is arranged between the handle and the trigger and between the handle body and the cutter body, and the transmission mechanism is integrally arranged in the handle;
the jacket (20) is sleeved at the free end of the cutter body;
the trigger includes: a rotating shaft (6) and a wrench (7); the wrench (7) is L-shaped, the top end of the short side of the wrench (7) is rotatably connected to the rotating shaft (6), the rotating shaft (6) is fixed inside the bent part of the handle body, and the wrench (7) is arranged outside the bent part of the handle body;
the transmission mechanism includes: the device comprises a card (9), a first limiting clamping groove (10), a first linkage rod (8), a gear (11), a second linkage rod (12), a second limiting clamping groove (13), a linkage piece (15), a push plate (16), a first spring (5), a second spring (14) and a baffle plate (19); the card (9) and the first limiting clamping groove (10) are both arc-shaped, and a meshed tooth is arranged on one side in the second limiting clamping groove (13);
the first limiting clamping groove (10) is arranged at the lower part in the handle end of the handle body, one end of the card (9) is fixed at the long side of the wrench (7), the other end of the card (9) is a free end, and the free end of the card (9) is inserted into the first limiting clamping groove (10);
the second limiting clamping groove (13) is vertically arranged at the upper part in the handle body along the handle end of the handle body, a grinding tooth is arranged on the inner side, close to the wrench (7), of the second limiting clamping groove (13), the gear (11) is rotatably arranged in the second limiting clamping groove (13), and the gear (11) is meshed with the grinding tooth in the second limiting clamping groove (13); one end of a first linkage rod (8) is fixed at the upper part of one end of a long side clamping sheet (9) of the wrench (7), and the other end of the first linkage rod (8) is fixed on a shaft of a gear (11); one end of the second linkage rod (12) is also fixed on the shaft of the gear (11), and the other end of the second linkage rod (12) is fixed at the middle rear part of the linkage piece (15);
the linkage piece (15) is horizontally arranged at the upper part in the handle body; in the handle body, the front end of the linkage piece (15) is provided with a push plate (16), and the push plate (16) is fixedly connected to the front side of the pull pin (4); a first spring (5) is further arranged above the front part of the linkage piece (15), the first spring (5) is horizontally arranged in the handle body, one end of the first spring (5) is positioned on one side of the pull pin (4), but one end of the first spring (5) is not fixedly connected with the pull pin (4), and the other end of the first spring (5) is fixed with the inside of the handle body; the rear end of the linkage piece (15) is fixedly connected with one end of a second spring (14), the other end of the second spring (14) is fixed on a baffle plate (19), and the baffle plate (19) is fixed at the rear end in the handle body;
alternatively, the transmission mechanism comprises: the device comprises a card (9), a first limiting clamping groove (10), a first linkage rod (8), a rotor (21), a second linkage rod (12), a third limiting clamping groove (23), a linkage piece (15), a push plate (16), a first spring (5), a second spring (14) and a baffle plate (19); wherein, the card (9) and the first limit clamping groove (10) are both arc-shaped;
the first limiting clamping groove (10) is arranged at the lower part in the handle end of the handle body, one end of the card (9) is fixed at the long side of the wrench (7), the other end of the card (9) is a free end, and the free end of the card (9) is inserted into the first limiting clamping groove (10);
a third limiting clamping groove (23) is vertically arranged at the upper part in the handle of the handle body along the handle end of the handle body, a grinding tooth is arranged on the inner side, close to the wrench (7), of the second limiting clamping groove (13), and a rotor (21) is rotatably arranged in the third limiting clamping groove (23); one end of a first linkage rod (8) is fixed at the upper part of one end of a long side clamping sheet (9) of the wrench (7), and the other end of the first linkage rod (8) is sleeved on a shaft of the rotor (21); one end of the second linkage rod (12) is also sleeved on the shaft of the rotor (21), and the other end of the second linkage rod (12) is fixed at the middle rear part of the linkage piece (15);
the linkage piece (15) is horizontally arranged at the upper part in the handle body; in the handle body, the front end of the linkage piece (15) is provided with a push plate (16), and the push plate (16) is fixedly connected to the front side of the pull pin (4); a first spring (5) is further arranged above the front part of the linkage piece (15), the first spring (5) is horizontally arranged in the handle body, one end of the first spring (5) is positioned on one side of the pull pin (4), but one end of the first spring (5) is not fixedly connected with the pull pin (4), and the other end of the first spring (5) is fixed with the inside of the handle body; the rear end of the linkage piece (15) is fixedly connected with one end of a second spring (14), the other end of the second spring (14) is fixed on a baffle plate (19), and the baffle plate (19) is fixed at the rear end in the handle body.
2. The surgical knife of claim 1, wherein the knife body comprises: the tissue cutting device comprises an elastic forceps head (1), a tissue gasket (2) and a cutter bar assembly (3); the cutter bar component (3) comprises an inner rod (17), an outer rod (18) and a pull pin (4), wherein the outer rod (18) is of a hollow structure;
the inner rod (17) is sleeved inside the outer rod (18) in a penetrating manner, one end of the sleeved inner rod (17) and one end of the sleeved outer rod (18) are fixedly inserted into the outlet end of the handle body, and one end of the inner rod (17) inserted into the outlet end of the handle body is also fixedly connected with a pull pin (4); the other end of the inner rod (17) is fixedly provided with an elastic forceps head (1) as a free end, the other end of the outer rod (18) is fixedly provided with a tissue gasket (2) as a free end, the tissue gasket (2) is inelastic, and the elastic forceps head (1) and the tissue gasket (2) correspondingly form a cutter.
3. A scalpel according to claim 2, wherein the clamping sleeve (20) is fitted over the free end of the scalpel body, and is specifically: the jacket (20) is sleeved at one end of the tong head (1) of the cutter body;
the jacket (20) is integrally of a square hollow structure, and the hollow structure is in a funnel shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922503199.0U CN212140539U (en) | 2019-12-24 | 2019-12-24 | Surgical knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922503199.0U CN212140539U (en) | 2019-12-24 | 2019-12-24 | Surgical knife |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212140539U true CN212140539U (en) | 2020-12-15 |
Family
ID=73707884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922503199.0U Active CN212140539U (en) | 2019-12-24 | 2019-12-24 | Surgical knife |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212140539U (en) |
-
2019
- 2019-12-24 CN CN201922503199.0U patent/CN212140539U/en active Active
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