CN112603465B - A laparoscopic surgical forceps - Google Patents
A laparoscopic surgical forceps Download PDFInfo
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- CN112603465B CN112603465B CN202011504068.5A CN202011504068A CN112603465B CN 112603465 B CN112603465 B CN 112603465B CN 202011504068 A CN202011504068 A CN 202011504068A CN 112603465 B CN112603465 B CN 112603465B
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- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 238000004804 winding Methods 0.000 abstract description 25
- 238000002357 laparoscopic surgery Methods 0.000 abstract description 9
- 210000000683 abdominal cavity Anatomy 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000002324 minimally invasive surgery Methods 0.000 description 4
- 210000000080 chela (arthropods) Anatomy 0.000 description 2
- 208000004550 Postoperative Pain Diseases 0.000 description 1
- 208000002847 Surgical Wound Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 230000010412 perfusion Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B17/2909—Handles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2926—Details of heads or jaws
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2926—Details of heads or jaws
- A61B2017/2932—Transmission of forces to jaw members
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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 discloses laparoscopic surgery forceps, wherein a forceps body assembly comprises a pipe body with a square inner cavity, a jaw is fixedly connected with a rotating shaft, an arc-shaped rack is arranged at one end of the jaw, a first winding drum is rotatably connected to one side, located on the rotating shaft, of a convex plate, an outer gear meshed with the arc-shaped rack is fixed to the outer side of the first winding drum, a fixed shaft fixed to the outer side of the convex plate is arranged in the inner cavity of the first winding drum, a torsion spring is sleeved on the outer side of the fixed shaft, one end of the torsion spring is fixed to the outer side of the fixed shaft, one end, far away from the fixed shaft, of the torsion spring is fixed to the inner side of the first winding drum, a traction rope is fixed to the outer side of the first winding drum, a clamping pad is fixed to the outer side of the jaw, a fixed block is fixed to one side, far away from the convex plate, and a first slot and a second slot are formed in the outer side of the fixed block; the laparoscopic surgery forceps are composed of the forceps body assembly, the pull rod assembly and the handle assembly, so that the laparoscopic surgery forceps are convenient to disassemble and assemble and convenient to store.
Description
Technical Field
The invention relates to the technical field of laparoscopic surgery forceps, in particular to laparoscopic surgery forceps.
Background
Minimally invasive surgery is the leading development direction of medical science and technology, and traditional open surgery has been gradually replaced by minimally invasive surgery represented by laparoscopic surgery. After more than twenty years of development, the laparoscopic minimally invasive surgery technology is mature day by day, and the laparoscopic minimally invasive surgery technology has wide application and satisfactory effect in clinic due to the characteristics of small surgical wound, light postoperative pain, short hospitalization time, good beautifying effect and the like. Laparoscope is a device with a miniature camera for examination and treatment in abdominal cavity, which is essentially a fiber light source endoscope, comprising an energy source system, a light source system, a perfusion system and an imaging system. The system uses a light source to provide illumination, a laparoscope lens is inserted into an abdominal cavity, and an image shot by the laparoscope lens is conducted to a signal processing system through an optical fiber by using a digital camera technology and is displayed on a monitor in real time. Under the monitoring of the display screen, the operator operates the abdominal cavity surgical forceps outside the abdominal cavity to perform operations such as exploration, electric coagulation, hemostasis, tissue separation, incision, suture and the like on the pathological tissues. The existing surgical forceps are inconvenient to disassemble and assemble, occupy larger volume and are inconvenient to store and transport, so that the laparoscopic surgical forceps are provided.
Disclosure of Invention
(1) Technical problem to be solved
The invention aims to overcome the defects of the prior art, adapt to the practical needs and provide a pair of laparoscopic surgical forceps to solve the problems in the background art.
(2) Technical scheme
In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:
a pair of laparoscopic surgery forceps comprises a forceps body assembly, a pull rod assembly and a handle assembly;
the pincer body assembly comprises a tube body with a square inner cavity, a convex plate is fixed at one end of the tube body, one side of the convex plate is rotationally connected with two rotating shafts, the rotating shafts are fixedly connected with forceps clamps, one end of the forceps holder is provided with an arc-shaped rack, one side of the convex plate, which is positioned on the rotating shaft, is rotatably connected with a first winding drum, an outer gear meshed with the arc-shaped rack is fixed on the outer side of the first winding drum, a fixed shaft fixed on the outer side of the raised plate is arranged in the inner cavity of the first winding drum, a torsion spring is sleeved on the outer side of the fixed shaft, one end of the torsion spring is fixed on the outer side of the fixed shaft, one end of the torsion spring, which is far away from the fixed shaft, is fixed on the inner side of the first winding drum, a traction rope is fixed on the outer side of the first winding drum, a clamping pad is fixed on the outer side of the clamp, a fixed block is fixed on one side of the pipe body, which is far away from the protruding plate, and a first slot and a second slot are formed in the outer side of the fixed block;
the pull rod assembly comprises a square pull rod, the square pull rod is inserted into the inner cavity of the pipe body, an end cover is fixed at one end of the square pull rod, and an insertion hole is formed in the lower part of the side of the end cover;
the handle assembly comprises a cross beam, an inserting column inserted into the first inserting groove is fixed at the top of the cross beam, an L-shaped inserted bar inserted into the second slot is fixed on one side of the inserted column, a fixed handle is fixed on the bottom of the cross beam, a convex block is fixed on the outer side of the cross beam, a slide bar is fixed on one side of the convex block, a slide sleeve is connected on the outer side of the slide bar in a sliding way, an L-shaped frame is fixed at the top of the sliding sleeve, the L-shaped frame is connected with a support, the support is in threaded connection with a second threaded rod inserted into the jack, a movable handle is fixed at the bottom of the sliding sleeve, the upper part and the lower part of one side of the square pull rod close to the end cover are respectively provided with a groove, the groove is internally and rotatably connected with a second winding drum, the traction rope freely penetrates through the square pull rod and is inserted into the groove, and the outer side of the second winding drum is fixedly connected with one end, far away from the first winding drum, of the traction rope.
Furthermore, a sliding rail is fixed to the top of the cross beam, a sliding block is connected to the top of the sliding rail in a sliding mode, and the top of the sliding block is fixedly connected with the bottom of the support.
Furthermore, the protruding block is connected with a spring, one end of the spring, which is far away from the protruding block, is connected to one side of the sliding sleeve, and the spring is sleeved on the outer side of the sliding rod.
Furthermore, a threaded column is fixed at one end, far away from the protruding block, of the sliding rod, and a threaded cap is connected to the threaded column in a threaded mode.
Furthermore, a third slot is formed in one side of the upper portion of the inserting column, and a first threaded rod inserted into the third slot is connected to the outer side of the fixing block through threads.
Furthermore, a ratchet gear is fixed on the outer side of the second winding drum, and a pawl matched with the ratchet gear is fixed on the inner wall of the groove.
Furthermore, a guide ring is fixed in the tube body, and the traction rope penetrates through the inner cavity of the guide ring.
(3) Has the advantages that:
1. according to the invention, the laparoscopic surgical forceps are composed of the forceps body assembly, the pull rod assembly and the handle assembly, so that the laparoscopic surgical forceps are convenient to disassemble and assemble and are convenient to store and store.
2. In the invention, the second winding drum is rotated to wind the traction rope, so that the tensioning state of the traction rope can be adjusted, and the clamping effect of the clamp can be conveniently kept.
3. According to the invention, the torsion spring drives the first reel to rotate, so that the first reel can rotate to drive the clamp to keep an unfolded state.
Drawings
FIG. 1 is a perspective view of a laparoscopic surgical forceps of the present invention;
FIG. 2 is a schematic cross-sectional view of a laparoscopic surgical forceps of the present invention;
FIG. 3 is a schematic view of a jaw structure of the laparoscopic forceps of the present invention;
FIG. 4 is a schematic view of a square pull rod structure of the laparoscopic forceps of the present invention;
FIG. 5 is a schematic view of a second reel of the laparoscopic forceps of the present invention;
FIG. 6 is a schematic view showing the structure of a handle assembly of the laparoscopic forceps of the present invention.
The reference numbers are as follows:
1. a caliper body assembly; 2. a drawbar assembly; 3. a handle assembly; 4. a pipe body; 5. a raised plate; 6. a first reel; 7. an outer gear; 8. a fixed shaft; 9. a torsion spring; 10. a hauling rope; 11. a rotating shaft; 12. clamping jaws; 13. a clamping pad; 14. an arc-shaped rack; 15. a fixed block; 16. a first slot; 17. a second slot; 18. a first threaded rod; 19. a square pull rod; 20. an end cap; 21. a jack; 22. a groove; 23. a second reel; 24. a ratchet gear; 25. a pawl; 26. a cross beam; 27. a slide rail; 28. a slider; 29. a support; 30. a second threaded rod; 31. a raised block; 32. a slide bar; 33. a spring; 34. a sliding sleeve; 35. a movable handle; 36. fixing a handle; 37. a threaded post; 38. a threaded cap; 39. inserting a column; 40. a third slot; 41. an L-shaped inserted link; 42. an L-shaped frame; 43. a guide ring.
Detailed Description
The invention will be further illustrated with reference to the following figures 1-6 and examples:
a pair of laparoscopic surgery forceps comprises a forceps body component 1, a pull rod component 2 and a handle component 3;
the pincer body assembly 1 comprises a tube body 4 with a square inner cavity, a protruding plate 5 is fixed at one end of the tube body 4, two rotating shafts 11 are rotatably connected to one side of the protruding plate 5, the rotating shafts 11 are fixedly connected with a jaw 12, an arc-shaped rack 14 is arranged at one end of the jaw 12, a first winding drum 6 is rotatably connected to one side of the protruding plate 5, an outer gear 7 meshed with the arc-shaped rack 14 is fixed to the outer side of the first winding drum 6, a fixing shaft 8 fixed to the outer side of the protruding plate 5 is arranged in the inner cavity of the first winding drum 6, a torsion spring 9 is sleeved on the outer side of the fixing shaft 8, one end of the torsion spring 9 is fixed to the outer side of the fixing shaft 8, one end, far away from the fixing shaft 8, of the torsion spring 9 is fixed to the inner side of the first winding drum 6, a traction rope 10 is fixed to the outer side of the first winding drum 6, and a clamping pad 13 is fixed to the outer side of the jaw 12, a fixing block 15 is fixed on one side of the pipe body 4 far away from the protruding plate 5, and a first slot 16 and a second slot 17 are formed in the outer side of the fixing block 15;
the pull rod assembly 2 comprises a square pull rod 19, the square pull rod 19 is inserted into the inner cavity of the pipe body 4, an end cover 20 is fixed at one end of the square pull rod 19, and an insertion hole 21 is formed in the lower portion of the side of the end cover 20;
handle subassembly 3 includes crossbeam 26, the top of crossbeam 26 is fixed with inserts post 39 that inserts in first slot 16, one side of inserting post 39 is fixed with the L type inserted bar 41 that inserts in second slot 17, the bottom of crossbeam 26 is fixed with fixed handle 36, the outside of crossbeam 26 is fixed with protruding piece 31, one side of protruding piece 31 is fixed with slide bar 32, the outside sliding connection of slide bar 32 has sliding sleeve 34, the top of sliding sleeve 34 is fixed with L type frame 42, L type frame 42 is connected with support 29, support 29 threaded connection has the second threaded rod 30 that inserts in jack 21, the bottom of sliding sleeve 34 is fixed with movable handle 35.
In this embodiment, a slide rail 27 is fixed on the top of the cross beam 26, a slide block 28 is connected to the top of the slide rail 27 in a sliding manner, and the top of the slide block 28 is fixedly connected to the bottom of a bracket 29; for guiding the moving direction of the carriage 29.
In this embodiment, the protruding block 31 is connected with a spring 33, one end of the spring 33 away from the protruding block 31 is connected to one side of the sliding sleeve 34, and the spring 33 is sleeved on the outer side of the sliding rod 32; for pushing the sliding sleeve 34 to reset.
In this embodiment, a threaded column 37 is fixed to one end of the sliding rod 32 away from the protruding block 31, and a threaded cap 38 is connected to the threaded column 37 in a threaded manner; for adjusting the position of the sliding sleeve 34.
In this embodiment, a third slot 40 is formed in one side of the upper portion of the insert column 39, and the outer side of the fixing block 15 is in threaded connection with a first threaded rod 18 inserted into the third slot 40; for fixing the position of the insert post 39.
In this embodiment, the upper part and the lower part of one side of the square pull rod 19, which is close to the end cover 20, are respectively provided with a groove 22, a second winding drum 23 is rotatably connected in the groove 22, the traction rope 10 freely penetrates through the square pull rod 19 and is inserted into the groove 22, and the outer side of the second winding drum 23 is fixedly connected with one end of the traction rope 10, which is far away from the first winding drum 6; for adjusting the tightness of the pull-cord 10.
In this embodiment, a ratchet gear 24 is fixed on the outer side of the second winding drum 23, and a pawl 25 matched with the ratchet gear 24 is fixed on the inner wall of the groove 22; for preventing the second reel 23 from being turned around.
In this embodiment, a guide ring 43 is fixed in the tube body 4, and the pulling rope 10 penetrates through an inner cavity of the guide ring 43; for preventing the traction rope 10 from being entangled.
The working principle is as follows: the movable handle 35 is held by a hand to drive the sliding sleeve 34 to move, so that the sliding sleeve 34 drives the support 29 to move through the L-shaped frame 42, the second threaded rod 30 drives the end cover 20 to move, the end cover 20 drives the square pull rod 19 to move, the square pull rod 19 pulls the traction rope 10, the traction rope 10 pulls the first reel 6 to rotate, the first reel 6 drives the outer gear 7 to rotate, the outer gear 7 drives the arc-shaped rack 14 to rotate, the arc-shaped rack 14 drives the clamp 12 to rotate and close, and a target object is clamped; after the movable handle 35 is loosened by hand, the sliding sleeve 34 is pushed to move under the elastic force of the spring 33, so that the sliding sleeve 34 drives the square pull rod 19 to be inserted into the pipe body 4 through the L-shaped frame 42 and the bracket 29, the traction rope 10 is loosened, the first reel 6 is driven to rotate by the resilience force of the torsion spring 9, the arc-shaped rack 14 is driven to rotate by the external gear 7, the forceps jaws 12 are unfolded, and the target object can be clamped after the two forceps jaws 12 are unfolded. The handle assembly 3 can be detached from the forceps body assembly 1 by screwing off the first threaded rod 18; the position of the threaded cap 38 can be adjusted by rotating the threaded cap 38 so as to limit the position of the sliding sleeve 34, and the second threaded rod 30 is inserted into the insertion hole 21 by screwing the second threaded rod 30, so that the bracket 29 can drive the pull rod assembly 2 to move when moving; the traction rope 10 is tightened by screwing the second reel 23 and the ratchet gear 24 is caught by the pawl 25 in the tooth groove of the ratchet gear 24 to prevent the ratchet gear 24 from rotating, so that the traction rope 10 is kept in a tightened state.
The invention has the beneficial effects that:
according to the invention, the laparoscopic surgical forceps are composed of the forceps body assembly 1, the pull rod assembly 2 and the handle assembly 3, so that the laparoscopic surgical forceps are convenient to disassemble and assemble and are convenient to store and store.
In the invention, the second winding drum 23 is rotated to wind the traction rope 10, so that the tightening state of the traction rope 10 can be adjusted, and the clamping effect of the clamp 12 can be conveniently kept.
In the invention, the torsion spring 9 drives the first reel 6 to rotate, so that the first reel 6 can rotate to drive the jaw 12 to keep an unfolded state.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011504068.5A CN112603465B (en) | 2020-12-18 | 2020-12-18 | A laparoscopic surgical forceps |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011504068.5A CN112603465B (en) | 2020-12-18 | 2020-12-18 | A laparoscopic surgical forceps |
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| Publication Number | Publication Date |
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| CN112603465A CN112603465A (en) | 2021-04-06 |
| CN112603465B true CN112603465B (en) | 2021-12-17 |
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| CN202011504068.5A Active CN112603465B (en) | 2020-12-18 | 2020-12-18 | A laparoscopic surgical forceps |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113974715B (en) * | 2021-12-23 | 2022-05-17 | 极限人工智能有限公司 | Execution assembly, instrument and laparoscopic surgery system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5449365A (en) * | 1992-09-02 | 1995-09-12 | United States Surgical Corporation | Surgical clamp apparatus |
| CN201968770U (en) * | 2010-12-24 | 2011-09-14 | 徐生源 | Functional laparoscopic surgery forceps |
| CN102614006A (en) * | 2012-04-16 | 2012-08-01 | 涂名超 | Laparoscope operating forceps capable of allowing bending angle of forceps head to be locked |
| TW201316939A (en) * | 2011-10-27 | 2013-05-01 | Taiwan Surgical Corp | A tape driving mechanism of clip counter for endoscopic clip applier |
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| CN103263285A (en) * | 2013-05-24 | 2013-08-28 | 桐庐广硕医疗器械有限公司 | Combined device of complete set of instruments for laparoscope gall bladder protection operation |
| JP2013215505A (en) * | 2012-04-12 | 2013-10-24 | Terumo Corp | Medical manipulator |
| CN103690222A (en) * | 2013-12-11 | 2014-04-02 | 上海理工大学 | Laparoscope operating forceps |
| CN107007327A (en) * | 2017-03-29 | 2017-08-04 | 苏国强 | One kind can the double duckbilled intestinal clamps of single action |
| CN206603789U (en) * | 2016-09-29 | 2017-11-03 | 青岛大学附属医院 | The flexible mis instruments of adjustable holding dynamics |
| CN109998638A (en) * | 2019-04-29 | 2019-07-12 | 西安医学院第二附属医院 | A kind of abdominal cavity elastic separating plier |
| CN110037772A (en) * | 2019-04-15 | 2019-07-23 | 福建省立医院 | A kind of laparoscopic surgery nipper |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6733514B2 (en) * | 2001-10-05 | 2004-05-11 | Pilling Weck Incorporated | Jaw assembly for endoscopic instruments |
| US20080119880A1 (en) * | 2006-11-16 | 2008-05-22 | Chu David Z J | Laparoscopic surgical clamp |
| CN210130893U (en) * | 2019-04-12 | 2020-03-10 | 佛山市高明区人民医院 | Laparoscopic surgery forceps |
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2020
- 2020-12-18 CN CN202011504068.5A patent/CN112603465B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5449365A (en) * | 1992-09-02 | 1995-09-12 | United States Surgical Corporation | Surgical clamp apparatus |
| CN201968770U (en) * | 2010-12-24 | 2011-09-14 | 徐生源 | Functional laparoscopic surgery forceps |
| TW201316939A (en) * | 2011-10-27 | 2013-05-01 | Taiwan Surgical Corp | A tape driving mechanism of clip counter for endoscopic clip applier |
| JP2013215505A (en) * | 2012-04-12 | 2013-10-24 | Terumo Corp | Medical manipulator |
| CN102614006A (en) * | 2012-04-16 | 2012-08-01 | 涂名超 | Laparoscope operating forceps capable of allowing bending angle of forceps head to be locked |
| CN203059840U (en) * | 2013-02-20 | 2013-07-17 | 李晨阳 | Operating forceps for laparoscope |
| CN103263285A (en) * | 2013-05-24 | 2013-08-28 | 桐庐广硕医疗器械有限公司 | Combined device of complete set of instruments for laparoscope gall bladder protection operation |
| CN103690222A (en) * | 2013-12-11 | 2014-04-02 | 上海理工大学 | Laparoscope operating forceps |
| CN206603789U (en) * | 2016-09-29 | 2017-11-03 | 青岛大学附属医院 | The flexible mis instruments of adjustable holding dynamics |
| CN107007327A (en) * | 2017-03-29 | 2017-08-04 | 苏国强 | One kind can the double duckbilled intestinal clamps of single action |
| CN110037772A (en) * | 2019-04-15 | 2019-07-23 | 福建省立医院 | A kind of laparoscopic surgery nipper |
| CN109998638A (en) * | 2019-04-29 | 2019-07-12 | 西安医学院第二附属医院 | A kind of abdominal cavity elastic separating plier |
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| CN112603465A (en) | 2021-04-06 |
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Address after: 300 Guangzhou road, Nanjing, Jiangsu Province 210000 Patentee after: JIANGSU PROVINCE HOSPITAL(The First Affiliated Hospital of Nanjing Medical University) Address before: 210029 No. 300, Guangzhou Road, Gulou District, Jiangsu, Nanjing Patentee before: JIANGSU PROVINCE Hospital |