CN111388057A - Medical forceps with adjustable angle - Google Patents
Medical forceps with adjustable angle Download PDFInfo
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- CN111388057A CN111388057A CN202010281726.2A CN202010281726A CN111388057A CN 111388057 A CN111388057 A CN 111388057A CN 202010281726 A CN202010281726 A CN 202010281726A CN 111388057 A CN111388057 A CN 111388057A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/282—Jaws
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/2816—Pivots
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/2841—Handles
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/2841—Handles
- A61B2017/2845—Handles with a spring pushing the handle back
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Ophthalmology & Optometry (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)
- Surgical Instruments (AREA)
Abstract
The invention relates to the field of medical instruments, and particularly discloses medical forceps with adjustable angles, which comprise two forceps handles, two forceps tips and a connector; the connector comprises a shell, two fixing columns are fixedly mounted on the inner walls of the two sides of the shell, limiting gears are rotatably sleeved on the two fixing columns, the two limiting gears are not in the same horizontal position, and the two limiting gears are respectively and fixedly connected with two pliers handles; the adjustable clamp is characterized in that an arc-shaped adjusting hole is formed in the inner wall of the top side of the shell, an arc-shaped adjusting block is slidably mounted in the arc-shaped adjusting hole, two connecting columns are fixedly mounted on the bottom side of the arc-shaped adjusting block, adjusting gears are rotatably mounted on the two connecting columns, the two adjusting gears are not located on the same horizontal position, and the two adjusting gears are fixedly connected with the two clamp points respectively. The angle of the clamp point can be adjusted according to the requirement, so that the requirement of operation in a narrow environment is met.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to medical forceps with adjustable angles.
Background
The forceps are manual tools for clamping, and in the surgical operation, the medical forceps are indispensable tools; the conventional medical forceps generally comprise a first forceps handle, a second forceps handle, a first forceps tip and a second forceps tip, wherein the first forceps handle and the first forceps tip are integrally arranged (the first forceps tip is formed by linearly extending the first forceps handle generally), the second forceps handle and the second forceps tip are integrally arranged (the second forceps tip is formed by linearly extending the second forceps handle generally), the first forceps handle and the second forceps handle are connected through a rotating shaft to form an X-shaped cross structure, when a user presses the first forceps handle and the second forceps handle to mutually approach each other through fingers, the first forceps tip and the second forceps tip are also mutually approached to gradually clamp a part needing to be clamped, and otherwise, the first forceps tip and the second forceps tip are loosened.
The medical forceps are not enough in structure, the two forceps tips are always located at the straight line extending positions of the corresponding forceps handles, the forceps handles can only be moved by adjusting the clamping positions of the forceps tips, the forceps handles are not difficult in common operation, the operation difficulty can be caused once the forceps tips are operated in the cavity or are located at the poor visual field angle, the requirement for operating in the narrow environment cannot be met, the use limitation is more, and the medical forceps cannot be used by doctors in daily operations.
Therefore, in order to solve the above problems, there is a need for an angle-adjustable medical forceps, which can adjust the angle of the forceps tip as required to meet the requirement of operation in a narrow environment.
Disclosure of Invention
In view of the above, the present invention provides an angle-adjustable medical forceps, which can adjust the angle of the forceps tip as required to meet the requirement of operation in a narrow environment.
The invention provides medical forceps with adjustable angles, which comprise two forceps handles, two forceps tips and a connector, wherein the two forceps handles are connected with the two forceps tips;
the connector comprises a shell, two fixing columns are fixedly mounted on the inner walls of the two sides of the shell, limiting gears are rotatably sleeved on the two fixing columns, the two limiting gears are not in the same horizontal position, and the two limiting gears are respectively and fixedly connected with two pliers handles;
an arc-shaped adjusting hole is formed in the inner wall of the top side of the shell, an arc-shaped adjusting block is slidably mounted in the arc-shaped adjusting hole, two connecting columns are fixedly mounted on the bottom side of the arc-shaped adjusting block, adjusting gears are rotatably mounted on the two connecting columns, the two adjusting gears are not in the same horizontal position, and the two adjusting gears are fixedly connected with the two forceps tips respectively;
rotating holes are formed in the inner walls of the top side and the bottom side of the shell, T-shaped columns are arranged on two sides of the shell, one ends, close to each other, of the two T-shaped columns penetrate through the two rotating holes respectively and can move and be positioned along the axial direction of the rotating holes, a central gear is fixedly installed after the two T-shaped columns penetrate through the interior of the shell, the central gear located below is meshed with a limiting gear and an adjusting gear located below, and the central gear located above is meshed with the adjusting gear and the limiting gear located above; the arc-shaped adjusting hole and the central gear are concentrically arranged.
As a further improvement to the technical scheme, one side, close to each other, of each of the two limiting gears is fixedly provided with a connecting block, and one side, far away from the fixed column, of each of the two connecting blocks is fixedly connected with the two clamp handles respectively.
As a further improvement to the technical scheme, two one sides that the adjusting gears are close to each other are fixedly provided with fixed blocks, and one ends of the two fixed blocks, which are far away from the connecting column, are fixedly provided with clamp tips.
As a further improvement to the technical scheme, the T-shaped column is rotatably sleeved with a limiting ring, the T-shaped column is sleeved with a spring, one end of the spring is fixedly installed on one side of the limiting ring, and the other end of the spring is fixedly installed on one side of the shell.
As a further improvement to the technical scheme, the radian of the arc-shaped adjusting hole is 90-180 degrees.
As a further improvement to the technical scheme, a plurality of clamping teeth are fixedly arranged on the mutually close sides of the two forceps tips.
As a further improvement to the technical scheme, a reset elastic sheet is arranged between the two forceps tips.
As a further improvement to the technical scheme, a reset elastic strip is arranged between the two forceps handles.
As a further improvement to the technical scheme, handles are fixedly mounted on the sides, far away from each other, of the two pliers handles.
As a further improvement to the above technical scheme, an arc limiting groove has been seted up on one side inner wall of arc regulation hole, slidable mounting has the arc stopper in the arc limiting groove, one side of arc stopper extends to outside the arc limiting groove and fixed mounting is on one side of arc regulating block.
Compared with the prior art, the invention has the following beneficial technical effects:
firstly, the structure of the invention is reasonable, when clamping is needed, the two clamp points are aligned to the parts needing to be clamped, the hands are inserted into the two handles and hold the two clamp handles, and the two clamp handles are pinched forcefully to enable the clamping teeth to approach each other so as to clamp; when the angles of the two forceps tips need to be changed, the two T-shaped columns are pinched to enable the two central gears to be close to each other and respectively separated from the two adjusting gears and the two limiting gears, the angles of the two forceps tips can be changed by sliding the arc-shaped adjusting block, when the proper angle is adjusted, the two T-shaped columns are loosened, then the two forceps handles are pinched to clamp, the use is convenient when the operation in a cavity or the view angle is not good, and the operation is convenient in a narrow environment;
secondly, the invention utilizes the design of the reset elastic strip and the reset elastic sheet, when the clamp is clamped, the two clamp handles are forcibly pinched, the two clamp handles are close to each other to respectively drive the two connecting blocks to move, the reset elastic strip generates elastic deformation, meanwhile, the two clamp handles are close to each other to enable the two clamp points to be close to each other to be clamped, the reset elastic sheet generates elastic deformation, and when the clamp handles are loosened, the two clamp handles and the two clamp points are restored to the original state under the reaction force of the reset elastic sheet and the reset elastic strip, so that the clamp can be conveniently used next time.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the internal perspective structure of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is a schematic front view of the present invention;
FIG. 5 is a schematic view of a portion of the structure of FIG. 4 according to the present invention.
In the figure: 1. a housing; 2. fixing a column; 3. a limit gear; 4. connecting blocks; 5. a clamp handle; 6. an arc-shaped adjusting hole; 7. an arc-shaped adjusting block; 8. connecting columns; 9. an adjusting gear; 10. a fixed block; 11. a forceps tip; 12. a handle; 13. a T-shaped column; 14. a sun gear; 15. resetting the elastic strip; 16. resetting the elastic sheet; 17. a clamping tooth; 18. a limiting ring; 19. an arc-shaped limiting block; 20. an arc-shaped limiting groove.
Detailed Description
In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments; of course, the drawings are not the only product design drawings, can be changed adaptively according to non-specific connection structures, and are simplified schematic drawings, and the scale size of the drawings does not limit the patented products.
As shown in fig. 1 to 5: the embodiment provides a medical forceps with an adjustable angle, which comprises two forceps handles 5 and two forceps tips 11, wherein the two forceps tips 11 are respectively driven by the two forceps handles 5 to move, so that a clamping opening between the two forceps tips 11 is enlarged or reduced, the clamping principle and the used materials are the same as those in the prior art, and are not repeated herein.
The medical forceps have the technical contribution that the medical forceps are also provided with a connector, so that the forceps handles 5 and the forceps tips 11 are not arranged integrally but are in a split structure, and the two forceps handles 5 are not in an X-shaped crossed structure.
Specifically, the connector comprises a shell 1, the shell 1 can be in a front semicircular and rear rectangular structure, baffles are arranged on the upper, lower, left and right sides of the shell to form a semi-enclosed structure, openings are arranged on the front side and the rear side, the front side opening is matched with a forceps tip 11, and the rear side opening is matched with a forceps handle 5; two fixed columns 2 are fixedly mounted on the inner walls of two sides of the shell 1, the two fixed columns 2 are rotatably sleeved with limit gears 3, the two limit gears 3 are not at the same horizontal position (not at the same horizontal plane but positioned close to the inner walls of two sides of the shell 1 respectively), connecting blocks 4 can be fixedly mounted on one sides (opposite sides) of the two limit gears 3 close to each other, pliers handles 5 are fixedly mounted on one sides of the two connecting blocks 4 far away from the fixed columns 2, and one sides of the pliers handles 5 far away from the connecting blocks 4 extend out of the shell 1.
An arc-shaped adjusting hole 6 is formed in the inner wall of the top side of the shell 1, an arc-shaped adjusting block 7 is slidably mounted in the arc-shaped adjusting hole 6, two connecting columns 8 are fixedly mounted on the bottom side of the arc-shaped adjusting block 7, adjusting gears 9 are rotatably mounted on the two connecting columns 8, the two adjusting gears 9 are not at the same horizontal position, and the two adjusting gears 9 and the two limiting gears 3 are at the same horizontal position respectively; two one sides that adjusting gear 9 is close to each other all can fixed mounting have fixed block 10, and the equal fixed mounting of one end of spliced pole 8 has pincers point 11 is kept away from to two fixed blocks 10.
Rotating holes are formed in the inner walls of the top side and the bottom side of the shell 1, T-shaped columns 13 are arranged on two sides of the shell 1, one ends, close to each other, of the two T-shaped columns 13 penetrate through the two rotating holes respectively and can move and be positioned along the axial direction of the rotating holes, central gears 14 are fixedly installed on the two T-shaped columns 13 after penetrating into the shell 1, the central gear 14 located below is meshed with the limiting gear 3 and the adjusting gear 9 located below, the central gear 14 located above is meshed with the adjusting gear 9 and the limiting gear 3 located above, and the adjusting gear 9 and the limiting gear 3 located below can be linked through the arrangement of the two central gears 14; the arc-shaped adjusting holes 6 and the central gear 14 are arranged concentrically, and the adjusting gear 9 and the corresponding central gear 14 can always keep a meshing relationship when moving along with the arc-shaped adjusting block 7. The radian of the arc-shaped adjusting hole 6 can be 90-180 degrees according to requirements.
When the clamp is used, the two clamp handles 5 are pressed forcibly, the two clamp handles 5 are close to each other (or are far away from each other) and respectively drive the two connecting blocks 4 to move, the two connecting blocks 4 move to respectively drive the two limiting gears 3 to respectively rotate on the two fixing columns 2, the two limiting gears 3 rotate to respectively drive the two central gears 14 to rotate, the two central gears 14 rotate to respectively drive the two adjusting gears 9 to rotate, the two adjusting gears 9 rotate to respectively drive the two fixing blocks 10 to rotate, and the two fixing blocks 10 rotate to respectively drive the two clamp tips 11 to rotate so as to clamp.
In this embodiment, the T-shaped column 13 is rotatably sleeved with a limiting ring 18, the T-shaped column 13 is sleeved with a spring, and the spring is in a pressure spring structure; one end fixed mounting of spring is on one side of spacing ring 18, the other end fixed mounting of spring is on one side of casing 1, through the setting of spring, after loosening two T type posts 13, makes two sun gear 14 keep away from the reconversion each other under the reaction force of two springs, and then meshes with two adjusting gear 9 and two stop gear 3 mutually respectively.
In this embodiment, a plurality of clamping teeth 17 are fixedly mounted on the sides of the two forceps tips 11 close to each other, and a reset spring 16 is mounted between the two forceps tips 11; one side of each of the two forceps tips 11, which is close to each other, can be fixedly provided with the same reset elastic sheet 16, and the two forceps tips 11 can be restored to the original state through the arrangement of the reset elastic sheets 16; the reset spring 16 can be partially accommodated in a specially arranged spring groove, so that the close fit of the two forceps tips 11 is prevented from being influenced.
In this embodiment, two one sides that pincers handle 5 kept away from each other are all fixed mounting have handle 12, through the setting of handle 12, are convenient for use. Meanwhile, a reset elastic strip 15 is arranged between the two forceps handles 5; for example, one side of one of the forceps handles 5 is fixedly provided with a reset elastic strip 15, the other side of the reset elastic strip 15 is contacted with the other forceps handle 5, and the two forceps handles 5 can be restored by the arrangement of the reset elastic strip 15.
In this embodiment, arc spacing groove 20 has been seted up on one side inner wall of arc regulation hole 6, slidable mounting has arc stopper 19 in arc spacing groove 20, one side of arc stopper 19 extends to arc spacing groove 20 outside and fixed mounting on one side of arc regulating block 7, through the setting of arc spacing groove 20, can carry on arc stopper 19 spacingly to carry on arc regulating block 7 spacing messenger's it can only slide in arc spacing groove 20.
The preferred procedure and principle of use of the medical forceps of this embodiment:
when clamping is needed, two clamp points 11 are aligned to a part needing to be clamped, a hand is inserted into two handles 12 and holds two clamp handles 5, the two clamp handles 5 are pinched by force, the two clamp handles 5 are close to each other to respectively drive two connecting blocks 4 to move, the reset elastic strips 15 are elastically deformed, the two connecting blocks 4 are moved to respectively drive two limiting gears 3 to respectively rotate on two fixed columns 2, the two limiting gears 3 respectively drive two central gears 14 to rotate, the two central gears 14 respectively drive two adjusting gears 9 to rotate, the two adjusting gears 9 respectively drive two fixed blocks 10 to rotate, the two fixed blocks 10 respectively drive two clamp points 11 to rotate, the two clamp points 11 are close to each other to drive a plurality of clamping teeth 17 to mutually close for clamping, simultaneously, the two reset elastic strips 16 are elastically deformed, when the two clamp handles 5 are loosened, the two forceps handles 5 and the two forceps tips 11 are restored to the original state under the reaction force of the reset elastic sheet 16 and the reset elastic strip 15;
when the angle of the two pincer points 11 needs to be adjusted, the two T-shaped columns 13 are pinched to enable the two central gears 14 to approach each other and respectively separate from the two adjusting gears 9 and the two limiting gears 3, the two T-shaped columns 13 respectively drive the two limiting rings 18 to move, the two limiting rings 18 move to enable the two springs to elastically deform, at the moment, the arc-shaped adjusting block 7 can slide to enable the arc-shaped adjusting block to slide by taking the T-shaped columns 13 as the center, the arc-shaped adjusting block 7 moves to drive the arc-shaped limiting block 19 to slide in the arc-shaped limiting groove 20, meanwhile, the arc-shaped adjusting block 7 moves to drive the two connecting columns 8 to move, the two connecting columns 8 move to respectively drive the two adjusting gears 9 to move, the two adjusting gears 9 drive the two fixing blocks 10, the two pincer points 11 and the plurality of clamping teeth 17 to move, when the angle is adjusted to be an appropriate angle, the two T-, and then the two adjusting gears 9 and the two limiting gears 3 are respectively meshed, and the two pliers handles 5 are continuously rotated at the moment, so that the pliers can be clamped at another angle.
Finally, the principle and embodiments of the present invention are explained by using specific examples, and the above descriptions of the examples are only used to help understand the core idea of the present invention, and the present invention can be modified and modified without departing from the principle of the present invention, and the modified and modified examples also fall into the protection scope of the present invention.
Claims (10)
1. The utility model provides a medical pincers of adjustable angle, includes two pincers handles and two pincers points, its characterized in that: the medical forceps also comprise a connector;
the connector comprises a shell, two fixing columns are fixedly mounted on the inner walls of the two sides of the shell, limiting gears are rotatably sleeved on the two fixing columns, the two limiting gears are not in the same horizontal position, and the two limiting gears are respectively and fixedly connected with two pliers handles;
an arc-shaped adjusting hole is formed in the inner wall of the top side of the shell, an arc-shaped adjusting block is slidably mounted in the arc-shaped adjusting hole, two connecting columns are fixedly mounted on the bottom side of the arc-shaped adjusting block, adjusting gears are rotatably mounted on the two connecting columns, the two adjusting gears are not in the same horizontal position, and the two adjusting gears are fixedly connected with the two forceps tips respectively;
rotating holes are formed in the inner walls of the top side and the bottom side of the shell, T-shaped columns are arranged on two sides of the shell, one ends, close to each other, of the two T-shaped columns penetrate through the two rotating holes respectively and can move and be positioned along the axial direction of the rotating holes, a central gear is fixedly installed after the two T-shaped columns penetrate through the interior of the shell, the central gear located below is meshed with a limiting gear and an adjusting gear located below, and the central gear located above is meshed with the adjusting gear and the limiting gear located above; the arc-shaped adjusting hole and the central gear are concentrically arranged.
2. The adjustable angle medical forceps of claim 1, wherein: and one side of each of the two limit gears, which is close to each other, is fixedly provided with a connecting block, and one side of each of the two connecting blocks, which is far away from the fixed column, is fixedly connected with the two clamp handles respectively.
3. The adjustable angle medical forceps of claim 1, wherein: two equal fixed mounting in one side that adjusting gear is close to each other has the fixed block, and the equal fixed mounting of the one end of spliced pole is kept away from to two fixed blocks has the pincers point.
4. The adjustable angle medical forceps of claim 1, wherein: the T-shaped column is rotatably sleeved with a limiting ring, the T-shaped column is sleeved with a spring, one end of the spring is fixedly installed on one side of the limiting ring, and the other end of the spring is fixedly installed on one side of the shell.
5. The adjustable angle medical forceps of claim 1, wherein: the radian of the arc-shaped adjusting hole is 90-180 degrees.
6. The adjustable angle medical forceps of claim 1, wherein: and a plurality of clamping teeth are fixedly arranged on one side of each of the two forceps tips, which is close to each other.
7. The adjustable angle medical forceps of any one of claims 1 to 6, wherein: and a reset elastic sheet is arranged between the two forceps tips.
8. The adjustable angle medical forceps of claim 7, wherein: and a reset elastic strip is arranged between the two forceps handles.
9. The adjustable angle medical forceps of claim 7, wherein: two equal fixed mounting in one side that the pincers kept away from each other has the handle.
10. The adjustable angle medical forceps of any one of claims 1 to 6, wherein: the arc limiting groove has been seted up on one side inner wall of arc regulation hole, slidable mounting has the arc stopper in the arc limiting groove, one side of arc stopper extends to outside the arc limiting groove and fixed mounting is on one side of arc regulating block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010281726.2A CN111388057B (en) | 2020-04-11 | 2020-04-11 | Medical forceps with adjustable angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010281726.2A CN111388057B (en) | 2020-04-11 | 2020-04-11 | Medical forceps with adjustable angle |
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| Publication Number | Publication Date |
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| CN111388057A true CN111388057A (en) | 2020-07-10 |
| CN111388057B CN111388057B (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010281726.2A Active CN111388057B (en) | 2020-04-11 | 2020-04-11 | Medical forceps with adjustable angle |
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| CN1498152A (en) * | 2001-03-17 | 2004-05-19 | �����������ֶ� | Manual tongs |
| EP1886633A2 (en) * | 2006-08-08 | 2008-02-13 | Terumo Kabushiki Kaisha | Working mechanical device and manipulator |
| US20150053031A1 (en) * | 2013-08-21 | 2015-02-26 | Pinnacle Engines, Inc. | Scissor gear with hydraulic backlash removal and hydraulic torsional damping |
| CN107000174A (en) * | 2014-12-17 | 2017-08-01 | 古斯塔夫.克劳克有限责任公司 | Crimping Pliers and the gear with tooth engaged |
| CN108214339A (en) * | 2016-12-14 | 2018-06-29 | 杭州巨星科技股份有限公司 | A kind of open and close type hand-held device and its Handheld Division angle regulation method |
| CN209628150U (en) * | 2019-01-30 | 2019-11-15 | 太原市康培园林绿化工程有限公司 | A kind of ginkgo branch amputated structure |
-
2020
- 2020-04-11 CN CN202010281726.2A patent/CN111388057B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1498152A (en) * | 2001-03-17 | 2004-05-19 | �����������ֶ� | Manual tongs |
| EP1886633A2 (en) * | 2006-08-08 | 2008-02-13 | Terumo Kabushiki Kaisha | Working mechanical device and manipulator |
| US20150053031A1 (en) * | 2013-08-21 | 2015-02-26 | Pinnacle Engines, Inc. | Scissor gear with hydraulic backlash removal and hydraulic torsional damping |
| CN107000174A (en) * | 2014-12-17 | 2017-08-01 | 古斯塔夫.克劳克有限责任公司 | Crimping Pliers and the gear with tooth engaged |
| CN108214339A (en) * | 2016-12-14 | 2018-06-29 | 杭州巨星科技股份有限公司 | A kind of open and close type hand-held device and its Handheld Division angle regulation method |
| CN209628150U (en) * | 2019-01-30 | 2019-11-15 | 太原市康培园林绿化工程有限公司 | A kind of ginkgo branch amputated structure |
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| CN111388057B (en) | 2021-02-02 |
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