CN112370089A - Hook type biopsy forceps with self-correcting function - Google Patents
Hook type biopsy forceps with self-correcting function Download PDFInfo
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- CN112370089A CN112370089A CN202011274773.0A CN202011274773A CN112370089A CN 112370089 A CN112370089 A CN 112370089A CN 202011274773 A CN202011274773 A CN 202011274773A CN 112370089 A CN112370089 A CN 112370089A
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- 238000001574 biopsy Methods 0.000 title claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
- 239000010959 steel Substances 0.000 claims abstract description 31
- 238000004804 winding Methods 0.000 claims abstract description 9
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 12
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 210000000080 chela (arthropods) Anatomy 0.000 description 12
- 238000003745 diagnosis Methods 0.000 description 3
- 230000007170 pathology Effects 0.000 description 3
- 230000003902 lesion Effects 0.000 description 2
- 230000003211 malignant effect Effects 0.000 description 2
- 230000001575 pathological effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 206010061218 Inflammation Diseases 0.000 description 1
- 208000025865 Ulcer Diseases 0.000 description 1
- 230000003187 abdominal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000011510 cancer Diseases 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 210000001198 duodenum Anatomy 0.000 description 1
- 238000001839 endoscopy Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000003238 esophagus Anatomy 0.000 description 1
- 210000000232 gallbladder Anatomy 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 238000012333 histopathological diagnosis Methods 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 210000002429 large intestine Anatomy 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 210000000277 pancreatic duct Anatomy 0.000 description 1
- 210000000813 small intestine Anatomy 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000036269 ulceration Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B10/00—Instruments for taking body samples for diagnostic purposes; Other methods or instruments for diagnosis, e.g. for vaccination diagnosis, sex determination or ovulation-period determination; Throat striking implements
- A61B10/02—Instruments for taking cell samples or for biopsy
- A61B10/06—Biopsy forceps, e.g. with cup-shaped jaws
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Medical Informatics (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Abstract
The invention relates to the technical field of medical instruments, in particular to hook type biopsy forceps with a self-correcting function, which comprise a mounting seat, wherein the left side of the mounting seat is communicated with a telescopic hose, the inside of the telescopic hose is connected with a first soft steel wire in a sliding manner, the right end of the first soft steel wire penetrates through the mounting seat and extends to the outside of the mounting seat, and the bottom of the mounting seat is bolted with a first forceps handle; according to the hook type biopsy forceps, due to the arrangement of the telescopic hose, the winding roller, the rocker, the second soft steel wire, the connecting rod, the first fixing block and the clamping structure, after the forceps head enters the body of a patient, the angle of the forceps head can be corrected and adjusted manually, the forceps head is convenient for medical staff to take, and the problem that after the forceps head of the existing hook type biopsy forceps enters the body of the patient, the angle of the forceps head cannot be corrected and adjusted conveniently, the forceps head needs to be pushed and pulled repeatedly to adjust the angle of the forceps head, and therefore discomfort is caused to the patient is solved.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to hook type biopsy forceps with a self-correcting function.
Background
Biopsy is "biopsy," also called surgical pathology examination for short, and refers to a technique of taking out pathological tissues from a patient's body by cutting, clipping, or puncturing, and performing pathology examination, as needed for diagnosis and treatment; it is the most important part in the diagnosis of pathology, and can make clear histopathological diagnosis for most of the examined cases, and is used as the final diagnosis of clinic; with the development of modern medical technology, endoscopes as extensions of eyes and hands of doctors have reached the state of 'no holes and no entering'. By endoscopy, the following diseases can be diagnosed: 1. inflammation, ulceration, benign and malignant tumors occurring in the digestive tract (including esophagus, stomach, duodenum, small intestine and large intestine); 2. benign and malignant lesions of liver, gallbladder and pancreatic duct systems; 3. benign and malignant lesions of the abdominal organs.
Biopsy forceps are the indispensable instrument of pathological sample is got in the scope inspection, present hook biopsy forceps are inconvenient to correct the regulation to the angle that its pincers got after its binding clip gets into patient's is internal at present, need impel repeatedly and adjust pincers angle of getting with the pull body to cause uncomfortable sense to the patient, for this reason we propose one kind when the binding clip gets into patient internal back, can manually get the angle to the pincers of binding clip and correct the regulation, get the biopsy forceps that work brought the facility for medical staff's pincers and solve this problem.
Disclosure of Invention
The invention aims to provide hook type biopsy forceps with a self-correcting function, which have the advantages that after a forceps head enters a patient body, the forceps taking angle of the forceps head can be corrected and adjusted manually, the forceps taking work of medical personnel is facilitated, and the problem that after the forceps head of the existing hook type biopsy forceps enters the patient body, the forceps taking angle cannot be corrected and adjusted conveniently, and the forceps taking angle needs to be adjusted by repeatedly pushing and pulling a tube body, so that discomfort is caused to the patient is solved.
In order to achieve the purpose, the invention provides the following technical scheme: a hook type biopsy forceps with a self-correcting function comprises a mounting seat, wherein the left side of the mounting seat is communicated with a telescopic hose, the inner portion of the telescopic hose is slidably connected with a first soft steel wire, the right end of the first soft steel wire penetrates through the mounting seat and extends to the outer portion of the mounting seat, the bottom of the mounting seat is bolted with a first forceps handle, the right side of the first forceps handle is hinged with a second forceps handle, the bottoms of the first forceps handle and the second forceps handle are both bolted with an annular finger ring, the top of the second forceps handle is bolted with a fixing plate, the fixing plate is fixedly connected with the first soft steel wire, a first spring is fixedly mounted on the left side of the fixing plate, the first spring is sleeved on the surface of the first soft steel wire, the left side of the first spring is fixedly connected with the mounting seat, the top of the mounting seat is bolted with a mounting box, the bottom of the inner wall of the mounting box is bolted with a mounting plate, and the top of the mounting plate is rotatably connected with, the front side bolt of wind-up roll has the rocker, the front side of rocker runs through the mounting box and extends to the outside of mounting box, the surface winding of wind-up roll has the second cord steel, and the one end of second cord steel runs through the mounting box and extends to the outside of mounting box, the surface bolt of scalable hose has the connecting block, and connecting block and second cord steel fixed connection, the one end bolt of first cord steel has the connecting rod, the right-hand member of connecting rod runs through scalable hose and extends to the outside of scalable hose, the equal bolt in front and back of scalable hose one side has first fixed block, first fixed block one side in opposite directions is provided with clamping structure.
Preferably, press from both sides tight structure and include the pincers body, solid fixed ring and movable rod, the pincers body rotates and connects the front and back of first fixed block one side in opposite directions, and rotates between the pincers body of both sides and connect, the fixed ring bolt is in the left side of the pincers body, movable rod and solid fixed ring fixed connection, and the left end and the connecting rod of movable rod are articulated.
Preferably, the upper and lower side of one side of the first mild steel wire is bolted with a movable block, the movable block is connected with the inner wall of the telescopic hose in a sliding manner, and the movable block is fixedly connected with a second spring on one side opposite to the inner wall of the telescopic hose.
Preferably, a rotating disc is fixedly mounted on one side of the rocker, a rubber pad is bonded on the surface of the rotating disc, and an anti-skid block is arranged on the surface of the rubber pad.
Preferably, the surface of scalable hose is provided with the second fixed block, the recess has been seted up to the bottom of second fixed block, and recess and scalable hose's surface joint, and the second fixed block passes through the adhesive and bonds with scalable hose, the guide way has been seted up to the side of second fixed block, and guide way and second mild steel wire sliding connection.
Preferably, the number of the second fixed blocks is three, and the distances between the second fixed blocks are the same.
Preferably, the right side of the front of the first clamp handle is rotatably connected with a limiting rod, the limiting rod is arranged in an L shape, the left side of the front of the second clamp handle is bolted with a limiting block, and the limiting rod and the limiting block are matched for use.
Preferably, the surfaces of the opposite sides of the pliers bodies are all bolted with mounting blocks, and the surfaces of the opposite sides of the mounting blocks are arranged in a sawtooth shape.
Compared with the prior art, the invention has the following beneficial effects:
according to the hook type biopsy forceps, due to the arrangement of the telescopic hose, the winding roller, the rocker, the second soft steel wire, the connecting rod, the first fixing block and the clamping structure, after the forceps head enters the body of a patient, the angle of the forceps head can be corrected and adjusted manually, the forceps head is convenient for medical staff to take, and the problem that after the forceps head of the existing hook type biopsy forceps enters the body of the patient, the angle of the forceps head cannot be corrected and adjusted conveniently, the forceps head needs to be pushed and pulled repeatedly to adjust the angle of the forceps head, and therefore discomfort is caused to the patient is solved.
Drawings
FIG. 1 is a front cross-sectional view of the structure of the present invention;
FIG. 2 is a top cross-sectional view of the mounting box of the present invention;
FIG. 3 is a perspective view of the mounting box of the present invention;
FIG. 4 is a perspective view of a portion of the present invention;
FIG. 5 is a perspective view of the body of the pliers of the present invention;
FIG. 6 is an enlarged view of a portion of the invention at A in FIG. 1;
fig. 7 is a partial enlarged view of the invention at B in fig. 1.
In the figure: 1. a mounting seat; 2. a flexible hose; 3. a first mild steel wire; 4. a first plier handle; 5. a second forceps handle; 6. an annular finger ring; 7. a fixing plate; 8. a first spring; 9. mounting a box; 10. mounting a plate; 11. a wind-up roll; 12. a rocker; 13. a second mild steel wire; 14. connecting blocks; 15. a connecting rod; 16. a first fixed block; 17. a clamping structure; 171. a clamp body; 172. a fixing ring; 173. a movable rod; 18. rotating the disc; 19. a rubber pad; 20. a movable block; 21. a second spring; 22. mounting blocks; 23. a second fixed block; 24. a groove; 25. a guide groove; 26. a limiting rod; 27. and a limiting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, a hook type biopsy forceps with a self-correcting function comprises a mounting base 1, wherein the left side of the mounting base 1 is communicated with a flexible hose 2, the interior of the flexible hose 2 is slidably connected with a first soft steel wire 3, the right end of the first soft steel wire 3 penetrates through the mounting base 1 and extends to the exterior of the mounting base 1, the bottom of the mounting base 1 is bolted with a first forceps handle 4, the right side of the first forceps handle 4 is hinged with a second forceps handle 5, the bottoms of the first forceps handle 4 and the second forceps handle 5 are both bolted with an annular finger ring 6, the top of the second forceps handle 5 is bolted with a fixing plate 7, the fixing plate 7 is fixedly connected with the first soft steel wire 3, the left side of the fixing plate 7 is fixedly provided with a first spring 8, the first spring 8 is sleeved on the surface of the first soft steel wire 3, the left side of the first spring 8 is fixedly connected with the mounting base 1, and the top of the mounting base 1 is bolted with a mounting box 9, the bottom of the inner wall of the mounting box 9 is bolted with a mounting plate 10, the top of the mounting plate 10 is rotatably connected with a winding roller 11, the front side of the winding roller 11 is bolted with a rocker 12, the front side of the rocker 12 penetrates through the mounting box 9 and extends to the outside of the mounting box 9, the surface of the winding roller 11 is wound with a second soft steel wire 13, one end of the second soft steel wire 13 penetrates through the mounting box 9 and extends to the outside of the mounting box 9, the surface of the telescopic hose 2 is bolted with a connecting block 14, the connecting block 14 is fixedly connected with the second soft steel wire 13, one end of the first soft steel wire 3 is bolted with a connecting rod 15, the right end of the connecting rod 15 penetrates through the telescopic hose 2 and extends to the outside of the telescopic hose 2, the front and the rear of one side of the telescopic hose 2 are both bolted with a first fixing block 16, and the opposite side of the first fixing block 16 is provided with a clamping, Rocker 12, second mild steel wire 13, connecting rod 15, first fixed block 16 and the setting of pressing from both sides tight structure 17, have and get the internal back of patient when the binding clip, can be manual get the angle to the pincers of binding clip and correct the regulation, get the advantage that work brought the facility for medical staff's pincers, solved current hook biopsy forceps and got the internal back of patient at its binding clip, the inconvenient angle of getting to its pincers is corrected the regulation, need impel repeatedly and adjust the pincers angle of getting with the pull body, thereby cause the problem of uncomfortable sense to the patient.
In this embodiment, the clamping structure 17 includes the forceps body 171, the fixing ring 172 and the movable rod 173, the forceps body 171 is rotatably connected to the front and back of the opposite side of the first fixing block 16, the forceps bodies 171 on the two sides are rotatably connected, the fixing ring 172 is bolted to the left side of the forceps body 171, the movable rod 173 is fixedly connected to the fixing ring 172, the left end of the movable rod 173 is hinged to the connecting rod 15, and the forceps body 171, the fixing ring 172 and the movable rod 173 are arranged to facilitate the grasping of the affected part.
In this embodiment, the movable blocks 20 are bolted to the upper and lower sides of one side of the first mild steel wire 3, the movable blocks 20 are slidably connected to the inner wall of the flexible tube 2, the second springs 21 are fixedly connected to the opposite sides of the movable blocks 20 and the inner wall of the flexible tube 2, and the movable blocks 20 and the second springs 21 are arranged so that the clamp body 171 can be kept in the open-close state when the first mild steel wire 3 is loosened from the connecting rod 15.
In this embodiment, a rotating disc 18 is fixedly mounted on one side of the rocker 12, a rubber pad 19 is bonded on the surface of the rotating disc 18, an anti-slip block is arranged on the surface of the rubber pad 19, and a doctor can conveniently wind or loosen the second mild steel wire 13 through the rotating disc 18 and the rubber pad 19.
In this embodiment, the surface of the retractable hose 2 is provided with the second fixing block 23, the bottom of the second fixing block 23 is provided with the groove 24, the groove 24 is clamped with the surface of the retractable hose 2, the second fixing block 23 is bonded with the retractable hose 2 through an adhesive, the side surface of the second fixing block 23 is provided with the guide groove 25, the guide groove 25 is slidably connected with the second mild steel wire 13, and the second mild steel wire 13 is guided by the second fixing block 23, the groove 24 and the guide groove 25.
In this embodiment, the number of the second fixing blocks 23 is three, and the distances between the second fixing blocks 23 are the same, so that the stability of the pliers head during adjustment is improved by the arrangement of the second fixing blocks 23.
In this embodiment, the right side of the front of the first forceps handle 4 is rotatably connected with the limiting rod 26, the limiting rod 26 is in an L-shaped configuration, the left side of the front of the second forceps handle 5 is bolted with the limiting block 27, the limiting rod 26 and the limiting block 27 are used in a matching manner, and the forceps body 171 can be always kept in a closed state through the configuration of the limiting rod 26 and the limiting block 27.
In this embodiment, the surface of the opposite side of the forceps body 171 is bolted with the mounting block 22, the surface of the opposite side of the mounting block 22 is arranged in a zigzag shape, and the object to be grasped can be conveniently slid from the forceps body 171 by the arrangement of the mounting block 22.
The working principle is as follows: when the angle of the biopsy forceps needs to be corrected and adjusted, a medical staff bends one side of the telescopic hose 2 to enable the telescopic hose to enter the body of a patient, then one end of the telescopic hose 2 extends into the body of the patient to find a diseased part needing to be clamped, then places fingers on the surface of the rotating disc 18, shakes the rotating disc 18 to enable the winding roller 11 to tighten or loosen the second soft steel wire 13, controls the shaking direction of the rotating disc 18 to enable the winding roller 11 to tighten the second soft steel wire 13, enables the angle of the forceps head to move upwards to correct and adjust the clamped angle, stops shaking the rotating disc 18 after the forceps head moves to a proper position, then moves the forceps head to the diseased part, presses the second forceps handle 5 to enable the fixing plate 7 to move, pulls the first soft steel wire 171 to close the forceps bodies on the upper side and the lower side, the clamping angle of the biopsy forceps is corrected and adjusted by clamping the affected part.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a hook type biopsy forceps that possesses from rectification function, includes mount pad (1), its characterized in that: the left side of the mounting seat (1) is communicated with a telescopic hose (2), the inner part of the telescopic hose (2) is slidably connected with a first soft steel wire (3), the right end of the first soft steel wire (3) penetrates through the mounting seat (1) and extends to the outside of the mounting seat (1), the bottom of the mounting seat (1) is bolted with a first plier handle (4), the right side of the first plier handle (4) is hinged with a second plier handle (5), the bottoms of the first plier handle (4) and the second plier handle (5) are both bolted with an annular finger ring (6), the top of the second plier handle (5) is bolted with a fixed plate (7), the fixed plate (7) is fixedly connected with the first soft steel wire (3), the left side of the fixed plate (7) is fixedly provided with a first spring (8), the first spring (8) is sleeved on the surface of the first soft steel wire (3), and the left side of the first spring (8) is fixedly connected with the mounting seat (1), the top of mount pad (1) has been bolted and has been connect mounting box (9), mounting box (9) have been bolted and have been connected mounting panel (10) in the bottom of inner wall, the top of mounting panel (10) is rotated and is connected with wind-up roll (11), the front side bolt of wind-up roll (11) has rocker (12), the front side of rocker (12) runs through mounting box (9) and extends to the outside of mounting box (9), the surface winding of wind-up roll (11) has second soft steel wire (13), and the one end of second soft steel wire (13) runs through mounting box (9) and extends to the outside of mounting box (9), the surface bolt of scalable hose (2) has been connected connecting block (14), and connecting block (14) and second soft steel wire (13) fixed connection, the one end bolt of first soft steel wire (3) has connecting rod (15), the right-hand member of connecting rod (15) runs through scalable hose (2) and extends to the outside of scalable hose (2), the front and rear parts of one side of the telescopic hose (2) are respectively bolted with a first fixed block (16), and one opposite side of the first fixed block (16) is provided with a clamping structure (17).
2. The hook biopsy forceps with self-correcting function according to claim 1, wherein: the clamping structure (17) comprises a clamp body (171), a fixing ring (172) and a movable rod (173), the clamp body (171) is rotatably connected with the front and the back of one side of the first fixing block (16) in opposite directions, the clamp bodies (171) on two sides are rotatably connected, the fixing ring (172) is bolted on the left side of the clamp body (171), the movable rod (173) is fixedly connected with the fixing ring (172), and the left end of the movable rod (173) is hinged to the connecting rod (15).
3. The hook biopsy forceps with self-correcting function according to claim 1, wherein: the upper and lower side of first mild steel wire (3) one side all bolted connection has movable block (20), and the inner wall sliding connection of movable block (20) and scalable hose (2), the inner wall one side fixedly connected with second spring (21) in opposite directions of movable block (20) and scalable hose (2).
4. The hook biopsy forceps with self-correcting function according to claim 1, wherein: a rotating disc (18) is fixedly mounted on one side of the rocker (12), a rubber pad (19) is bonded to the surface of the rotating disc (18), and an anti-skid block is arranged on the surface of the rubber pad (19).
5. The hook biopsy forceps with self-correcting function according to claim 1, wherein: the surface of scalable hose (2) is provided with second fixed block (23), recess (24) are seted up to the bottom of second fixed block (23), and the surface joint of recess (24) and scalable hose (2), and second fixed block (23) bond with scalable hose (2) through the adhesive, guide way (25) have been seted up to the side of second fixed block (23), and guide way (25) and second mild steel wire (13) sliding connection.
6. The hook biopsy forceps with self-correcting function according to claim 5, wherein: the number of the second fixed blocks (23) is three, and the distances between the second fixed blocks are the same.
7. The hook biopsy forceps with self-correcting function according to claim 1, wherein: the right side of the front face of the first clamp handle (4) is rotatably connected with a limiting rod (26), the limiting rod (26) is arranged in an L shape, the left side of the front face of the second clamp handle (5) is bolted with a limiting block (27), and the limiting rod (26) and the limiting block (27) are matched for use.
8. The hook biopsy forceps with self-correcting function according to claim 2, wherein: the clamp is characterized in that the surfaces of the opposite sides of the clamp bodies (171) are bolted with mounting blocks (22), and the surfaces of the opposite sides of the mounting blocks (22) are arranged in a sawtooth shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011274773.0A CN112370089A (en) | 2020-11-16 | 2020-11-16 | Hook type biopsy forceps with self-correcting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011274773.0A CN112370089A (en) | 2020-11-16 | 2020-11-16 | Hook type biopsy forceps with self-correcting function |
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| Publication Number | Publication Date |
|---|---|
| CN112370089A true CN112370089A (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011274773.0A Pending CN112370089A (en) | 2020-11-16 | 2020-11-16 | Hook type biopsy forceps with self-correcting function |
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| CN110974354A (en) * | 2019-12-26 | 2020-04-10 | 丽水市人民医院 | Aneurysm clip holding forceps |
| CN210472182U (en) * | 2019-06-13 | 2020-05-08 | 中国医学科学院北京协和医院 | biopsy forceps |
| CN211155980U (en) * | 2019-10-16 | 2020-08-04 | 康达(天津)科技发展有限公司 | Suturing device for endoscope and endoscope forceps |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08286123A (en) * | 1995-04-13 | 1996-11-01 | Fuji Photo Optical Co Ltd | Angle operating device for endoscope |
| WO1997012557A1 (en) * | 1995-10-06 | 1997-04-10 | Kelleher Brian S | Steerable, flexible forceps device |
| CN104869921A (en) * | 2013-05-17 | 2015-08-26 | 奥林巴斯株式会社 | Endoscope treatment tool |
| US20170007224A1 (en) * | 2014-03-31 | 2017-01-12 | Human Extensions Ltd. | Steerable medical device |
| CN203953712U (en) * | 2014-07-30 | 2014-11-26 | 曾庆松 | A kind of biological tissue sample pickup tongs for endoscope |
| CN109171623A (en) * | 2018-07-30 | 2019-01-11 | 中国人民解放军陆军军医大学第三附属医院（野战外科研究所） | It is a kind of can free conversion angle nasal sinus mirror |
| CN209863912U (en) * | 2018-10-24 | 2019-12-31 | 南京市胸科医院 | Variable grabbing angle mechanism of biopsy forceps |
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Application publication date: 20210219 |