CN110037772B - Grasping forceps for laparoscopic surgery - Google Patents

Grasping forceps for laparoscopic surgery Download PDF

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Publication number
CN110037772B
CN110037772B CN201910300023.7A CN201910300023A CN110037772B CN 110037772 B CN110037772 B CN 110037772B CN 201910300023 A CN201910300023 A CN 201910300023A CN 110037772 B CN110037772 B CN 110037772B
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China
Prior art keywords
pulley
gears
flexible
steering mechanism
clamp
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Active
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CN201910300023.7A
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Chinese (zh)
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CN110037772A (en
Inventor
吴进锋
叶烈夫
李锐锋
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FUJIAN PROVINCIAL HOSPITAL
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FUJIAN PROVINCIAL HOSPITAL
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Priority to CN201910300023.7A priority Critical patent/CN110037772B/en
Publication of CN110037772A publication Critical patent/CN110037772A/en
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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
    • A61B17/29—Forceps for use in minimally invasive surgery
    • 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
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B17/2909—Handles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • 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
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B17/2909—Handles
    • A61B2017/2912—Handles transmission of forces to actuating rod or piston
    • A61B2017/2919—Handles transmission of forces to actuating rod or piston details of linkages or pivot points
    • 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
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B17/2909—Handles
    • A61B2017/2912—Handles transmission of forces to actuating rod or piston
    • A61B2017/2923—Toothed members, e.g. rack and pinion
    • 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
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B2017/2926—Details of heads or jaws
    • A61B2017/2932—Transmission of forces to jaw members
    • A61B2017/2939—Details of linkages or pivot points
    • 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
    • A61B17/29—Forceps for use in minimally invasive surgery
    • A61B2017/2926—Details of heads or jaws
    • A61B2017/2932—Transmission of forces to jaw members
    • A61B2017/2943—Toothed members, e.g. rack and pinion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00589—Coagulation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Otolaryngology (AREA)
  • Surgical Instruments (AREA)

Abstract

The invention provides a grasping forceps for laparoscopic surgery, which comprises a handle assembly, a steering mechanism, an opening and closing unit and a clamp assembly; the handle assembly is hinged with the steering mechanism and drives the steering mechanism to rotate; the switching unit comprises a first pulley and two gears, the steering mechanism, the first pulley and the gears are sequentially linked, and the two gears are meshed with each other; the clamp assembly comprises two clamps, and the two gears are respectively fixed at the tops of the two clamps. The invention can finish the operations of grasping, pulling, separating, electric coagulation hemostasis and the like in the laparoscopic surgery, is more in accordance with the human engineering principle, is more convenient to operate and is convenient and safe to use; has obvious advantages compared with the prior surgical instruments with single angle and limited functions.

Description

Grasping forceps for laparoscopic surgery
Technical Field
The invention particularly relates to a grasping forceps for laparoscopic surgery.
Background
Currently, the laparoscopic technique is widely applied to clinical surgery, the conventional laparoscopic technique generally needs to make 3-5 holes with diameters of 5-12 mm in the abdominal wall, sleeves are arranged in the holes and are respectively used for placing an endoscope and various surgical instruments for surgery, most laparoscopic instruments are currently straight shank designs and are operated through triangle operation relations formed by different angle sleeve layouts, but for some complicated surgery or surgery with difficulty in exposure, the inherent limitation on the freedom degree of the straight shank instruments can bring difficulty to operation. In addition, in recent years, single-hole laparoscopic surgery through umbilicus has been developed at home and abroad, an operation channel is established by taking a natural scar of umbilicus as an incision, the post-operation cosmetic effect is obvious, but in the operation, an endoscope and an operation instrument enter and exit from the same channel, the problem of instrument interference inevitably occurs, in order to overcome the defect, a pre-bending instrument is also clinically generated, but the instrument is inconvenient to use, has long learning curve and cannot be popularized and used in clinic.
In order to overcome various defects of the laparoscopic surgical instruments and improve the surgical efficiency, the straight-shank grasping forceps commonly used at present can be designed into grasping forceps with flexibly-turnable tail ends. The grasping forceps can increase the freedom of the instrument to operate in the abdominal cavity through the deformation of the tail end, and the increase of the operation angle of the grasping forceps can provide better exposure to the operation field without causing interference to the main operation instrument. For a single-hole laparoscope, after the head end of the grasping forceps is deformed, the external handle part can be separated from the handle of the endoscope and other instruments by an angle, so that the problem of external part interference of the instruments is solved, and the grasping forceps have a greater practical value in clinic.
Disclosure of Invention
In order to overcome the defects of the prior equipment, the invention aims to provide the grasping forceps for laparoscopic surgery.
The invention is realized in the following way: a grasping forceps for laparoscopic surgery comprises a handle assembly, a steering mechanism, an opening and closing unit and a clamp assembly; the handle assembly is hinged with the steering mechanism and drives the steering mechanism to rotate; the switching unit comprises a first pulley and two gears, the steering mechanism, the first pulley and the gears are sequentially linked, and the two gears are meshed with each other; the clamp assembly comprises two clamps, and the two gears are respectively fixed at the tops of the two clamps.
Preferably, the handle assembly comprises a handle mover and a handle stator;
The steering mechanism comprises two rotating assemblies and a driving plate, the driving plate is provided with a shell and a driving hand, and the two rotating assemblies are both positioned in the shell; each rotating assembly comprises a driving pulley and a mounting shaft, and the center of the driving pulley is sleeved and fixed on the mounting shaft; the front end and the tail end of the poking hand are respectively fixed at the two ends of the mounting shaft; the handle moving part is hinged with one driving pulley through a connecting shaft.
Preferably, one of the rotating assemblies further comprises a hexagonal fixing piece, a limiting block, a spring and a marble; the hexagonal fixing piece is tightly sleeved on the mounting shaft and positioned at the outer side of the driving pulley, and the limiting block is adjacent to the hexagonal fixing piece; the installation shaft is provided with a plurality of positioning grooves in a ring manner at the position close to the hexagonal fixing piece, the marble is clamped on or moved away from the positioning grooves, one end of the spring is fixed on the limiting block, the other end of the spring is fixedly connected with the marble, the two ends can only be linked in the front-back direction, and the marble faces the positioning grooves and is matched with the positioning grooves.
Preferably, the device further comprises a rotating shaft, a first flexible belt and a second flexible belt, wherein a second pulley is arranged below the rotating shaft, and the rotating shaft and the second pulley are both rotatably arranged; one end of the first flexible belt is sleeved on the driving pulley connected with the handle assembly, and the other end of the first flexible belt is sequentially wound on the rotating shaft, the first pulley and a gear; one end of the second flexible belt is tensioned on the other driving pulley, and the other end of the second flexible belt is sleeved on the rotating shaft and the second pulley.
Preferably, the device further comprises a clamp rod and a mounting seat, wherein the first pulley and the two gears are arranged on the mounting seat; a flexible pipe is connected between the clamp rod and the mounting seat, a plurality of flexible connecting blocks which are sequentially connected in series are arranged in the flexible pipe, and the first flexible belt penetrates through the clamp rod, the flexible pipe and the mounting seat and penetrates through gaps of the plurality of flexible connecting blocks.
Preferably, an electrode is arranged at the tail part of the shell and is electrically connected with the two clamps; the driving plate, the clamp rod, the flexible pipe and the mounting seat are all provided with insulating sleeves.
The invention has the advantages that: the operation such as grasping, pulling, separating, electrocoagulation hemostasis and the like can be completed in the laparoscopic surgery, so that the laparoscopic surgery is more in accordance with the human engineering principle, is more convenient to operate and is convenient and safe to use; has obvious advantages compared with the prior surgical instruments with single angle and limited functions.
Drawings
The invention will be further described with reference to examples of embodiments with reference to the accompanying drawings.
Fig. 1 is an overall view of a grasper for laparoscopic surgery of the present invention.
Fig. 2 is a schematic view showing the structure of a grasper (excluding a grasper rod, a flexible tube, and a mounting base) for laparoscopic surgery according to the present invention.
Fig. 3 is a schematic structural view of the steering mechanism of the present invention.
Fig. 4 is a schematic structural view of the mounting shaft in the present invention.
Fig. 5 is a schematic diagram of the opening and closing of the clamp in the present invention.
Detailed Description
Referring to fig. 1 and 2, a grasping forceps 100 for laparoscopic surgery includes a handle assembly 1, a steering mechanism 2, an opening and closing unit 3, a clamping assembly 4, a rotating shaft 5, a first flexible belt 6, a second flexible belt 7, a forceps rod 8 and a mounting base 9; the handle assembly 1 is hinged with the steering mechanism 2, and the handle assembly 1 drives the steering mechanism 2 to rotate; the opening and closing unit 3 comprises a first pulley 31 and two gears 32, the steering mechanism 2, the first pulley 31 and the gears 32 are sequentially linked, and the two gears 32 are meshed with each other; the clamp assembly 4 comprises two clamps 41, and the two gears 32 are respectively fixed on the tops of the two clamps 41.
Referring again to fig. 1 and 3-4, the handle assembly 1 includes a handle mover 11 and a handle stator 12; the steering mechanism 2 comprises two rotating components 21, a driving plate 22, a hexagonal fixing piece 23, a limiting block 24, a spring 25 and a marble 26, wherein the driving plate 22 is provided with a shell 221 and a pulling hand 222, and the two rotating components 21 are both positioned in the shell 221; each rotating assembly 21 comprises a driving pulley 211 and a mounting shaft 212, and the center of the driving pulley 211 is sleeved and fixed on the mounting shaft 212; the front end and the rear end of the pulling hand 222 are respectively fixed at the two ends of the mounting shaft 212; the handle-moving member 11 is hinged to a driving pulley 211 via a connecting shaft 10. The hexagonal fixing piece 23 is tightly sleeved on the mounting shaft 212 and is positioned at the outer side of the driving pulley 211, and the limiting block 24 is arranged adjacent to the hexagonal fixing piece 23; the mounting shaft 212 is provided with a plurality of positioning grooves 231 in a surrounding manner close to the hexagonal fixing piece 23, the marble 26 is clamped on or removed from the positioning grooves 231, one end of the spring 25 is fixed on the limiting block 24, and the other end of the spring is fixedly connected with the marble 26. The positioning spring 25 and the positioning ball 26 have only one degree of freedom to move and can only move back and forth.
Referring to fig. 2 and 5, a second pulley 101 is disposed below the rotating shaft 5, and the rotating shaft 5 and the second pulley 101 are both rotatably disposed; one end of the first flexible belt 6 is sleeved on the driving pulley 211 connected with the handle assembly 1, and the other end of the first flexible belt 6 is sequentially wound on the rotating shaft 5, the first pulley 31 and a gear 32; one end of the second flexible belt 7 is tensioned on the other driving pulley 211, and the other end of the second flexible belt 7 is sleeved on the rotating shaft 5 and the second pulley 101. The driving pulley 211, the second flexible belt 7, the first pulley 31 and the two gears 32 can be linked, the first pulley 31 and the two gears 32 are wound into an 'o' shape respectively, the handle moving piece 11 moves with the hinge pin as the axis, the driving pulley 211 is driven to rotate, and the first pulley 31 and the two gears 32 are driven to rotate through the transmission of the first flexible belt 6, so that the two clamp jaws 41 are driven to open and close. The first flexible belt 6 and the second flexible belt 7 are made of soft steel wires or other polymer materials with proper strength and flexibility. The first pulley 31 and the two gears 32 are arranged on the mounting seat 9; a flexible pipe 102 is connected between the clamp rod 8 and the mounting seat 9, a plurality of flexible connection blocks are sequentially connected in series in the flexible pipe 102, and the first flexible belt 6 passes through the clamp rod 8, the flexible pipe 102 and the mounting seat 9 and passes through gaps of the plurality of flexible connection blocks. The flexible connecting blocks can do limited-angle free movement on a plane, and the displacement of a single flexible connecting block can be accumulated and amplified by the simultaneous movement of a plurality of flexible connecting blocks. The flexible connecting block is covered with the flexible pipe 102, and the flexible pipe 102 can enable the spliced flexible connecting block to be integrally fixed in a moving way. Because the expansion and contraction rates of the flexible pipe 102 are uniform in different places when the spliced flexible connection block integrally moves in one direction, and thus the corners of the flexible connection blocks are also uniform, the flexible pipe 102 can fix the integral movement of the spliced flexible connection block.
Referring to fig. 1-2 and fig. 4, the turning hand 222 can transmit power to the driving pulley 211 and the mounting shaft 212 to make them co-directionally link, so as to synchronously produce two effects: after the dial 22 rotates, the driving pulley 211 also rotates, and the generated displacement is uniformly transmitted to the second pulley 101 and the serial connection flexible connection blocks through the first flexible belt 6, so that each flexible connection block uniformly generates displacement, and the accumulated displacement finally drives the clamp 41 to integrally perform steering motion on a plane. The coaxial handle assembly 1 is coaxially rotated, and the clamp 41 can also generate coaxial linkage with the same angle, so that the clamp 41 can obtain 360-degree axial movement capability, the plane steering function of the clamp 41 can be amplified to any angle plane, and the application range of the clamp 41 can be greatly increased; another effect of the rotating handle 222 is that the mounting shaft 212 moves to displace the positioning groove 231, the ball 26 is pressed by the gap between the opposite bulges of the positioning groove 231 on the mounting shaft 212 and the spring 25 is compressed to leave the positioning groove 231, the handle 222 is continuously rotated, the ball 26 gradually slides into the next positioning groove 231, the spring 25 is also stretched and reset along with the gradual release of the pressing of the gap between the positioning grooves 231 until the ball 26 completely enters the next positioning groove 231 and is engaged, and the clamp 41 generated by the rotation of the handle 222 can rotate and cannot slip or swing, so that the steering fixing function is achieved. In this embodiment, the mounting shaft 212 has 16-20 positioning grooves 231 in total, which can rotate clockwise and counterclockwise by 360 degrees.
Referring to fig. 1 again, an electrode 14 is disposed at the tail of the housing 221, and the electrode 14 is electrically connected to the two clamps 41; the driving plate 22, the clamp rod 8, the flexible pipe 102 and the mounting seat 9 are all provided with an insulating sleeve 15. When the electrode 14 is energized, current is conducted directly to the clamp 41, and the electric coagulation hemostasis of the endoluminal surgical field can be achieved without affecting the unrelated laparoscopic passages and the external tissue. In the embodiment, the diameter of the clamp rod 8 is 3-8mm, the length is 30-35cm, the length of each flexible connecting block and the total length of the flexible connecting blocks connected in series can be adjusted according to the application, the shorter the length of the flexible connecting blocks is when the steering requirement is higher, the more the number of the flexible connecting blocks connected in series is, and the diameter is consistent with the diameter of the clamp rod 8 and is 3-8mm. In the embodiment, the maximum steering angle of the clamp 41 is 90 degrees, the length of the clamp 41 is 2-3cm, the included angle of the two clamps 41 is 90 degrees, the length of the hollow part is 1-2cm, and the front ends of the two clamps 41 are engaged in an up-down matching way.
The invention is a nondestructive grasping device, can avoid tissue damage and necrosis of the clamp jaws to the greatest extent, and the clamp 41 can be changed into a split-clamp head scheme, so that fine clamping and separating operations can be performed.

Claims (3)

1. A pair of tongs for laparoscopic surgery, which is characterized in that: comprises a handle component, a steering mechanism, an opening and closing unit and a clamp component; the handle assembly is hinged with the steering mechanism and drives the steering mechanism to rotate; the switching unit comprises a first pulley and two gears, the steering mechanism, the first pulley and the gears are sequentially linked, and the two gears are meshed with each other; the clamp assembly comprises two clamps, and the two gears are respectively fixed at the tops of the two clamps;
the handle assembly comprises a handle moving part and a handle fixing part;
The steering mechanism comprises two rotating assemblies and a driving plate, the driving plate is provided with a shell and a driving hand, and the two rotating assemblies are both positioned in the shell; each rotating assembly comprises a driving pulley and a mounting shaft, and the center of the driving pulley is sleeved and fixed on the mounting shaft; the head end and the tail end of the poking hand are respectively fixed at the outer side end parts of the two mounting shafts; the handle moving part is hinged with one driving pulley through a connecting shaft;
The device also comprises a rotating shaft, a first flexible belt and a second flexible belt, wherein a second pulley is arranged below the rotating shaft, and the rotating shaft and the second pulley are both rotatably arranged; one end of the first flexible belt is sleeved on the driving pulley connected with the handle assembly, and the other end of the first flexible belt is sequentially wound on the rotating shaft, the first pulley and a gear; one end of the second flexible belt is tensioned on the other driving pulley, and the other end of the second flexible belt is sleeved on the rotating shaft and the second pulley;
the device also comprises a clamp rod and an installation seat, wherein the first pulley and the two gears are arranged on the installation seat; a flexible pipe is connected between the clamp rod and the mounting seat, a plurality of flexible connecting blocks which are sequentially connected in series are arranged in the flexible pipe, and the first flexible belt penetrates through the clamp rod, the flexible pipe and the mounting seat and penetrates through gaps of the plurality of flexible connecting blocks;
the handle moving part drives the two clamps to open and close; the turning hand drives the clamp to make the whole steering motion on the plane.
2. A laparoscopic surgical grasper as claimed in claim 1, wherein: the rotating assembly further comprises a hexagonal fixing piece, a limiting block, a spring and a marble; the hexagonal fixing piece is tightly sleeved on the mounting shaft and positioned at the outer side of the driving pulley, and the limiting block is adjacent to the hexagonal fixing piece; the installation shaft is provided with a plurality of positioning grooves in a ring manner at the position close to the hexagonal fixing piece, the marble is clamped on or moved away from the positioning grooves, one end of the spring is fixed on the limiting block, the other end of the spring is fixedly connected with the marble, the two ends can only be linked in the front-back direction, and the marble faces the positioning grooves and is matched with the positioning grooves.
3. A laparoscopic surgical grasper as claimed in claim 1, wherein: an electrode is arranged at the tail part of the shell and is electrically connected with the two clamps; the driving plate, the clamp rod, the flexible pipe and the mounting seat are all provided with insulating sleeves.
CN201910300023.7A 2019-04-15 2019-04-15 Grasping forceps for laparoscopic surgery Active CN110037772B (en)

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CN110037772B true CN110037772B (en) 2024-04-23

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112603465B (en) * 2020-12-18 2021-12-17 江苏省人民医院 Laparoscopic surgery forceps
CN113413194A (en) * 2021-06-30 2021-09-21 中国人民解放军海军军医大学第一附属医院 Laparoscope separating forceps capable of adjusting angle of forceps tip
CN116168585B (en) * 2023-04-26 2023-06-27 江西明天高科技股份有限公司 Hemostatic forceps simulator
CN116919512B (en) * 2023-08-03 2024-08-27 江苏唯德康医疗科技有限公司 Tissue clamping device

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US5209747A (en) * 1990-12-13 1993-05-11 Knoepfler Dennis J Adjustable angle medical forceps
JP2008220972A (en) * 2008-04-11 2008-09-25 Olympus Corp Treatment instrument
CN201164496Y (en) * 2008-02-04 2008-12-17 钟鸣 Multifunctional intestinal paw clamp
CN101912290A (en) * 2010-07-22 2010-12-15 徐生源 Multifunctional bendable forceps for laparoscopic surgeries
CN201958956U (en) * 2010-12-03 2011-09-07 余姚市柳叶刀医疗器械科技有限公司 Biliary tract stone taking forceps capable of being bent
CN204147091U (en) * 2014-04-01 2015-02-11 雷东 The medical occlusion basket pincers of a kind of rotary type
CN104586474A (en) * 2014-05-29 2015-05-06 白少华 Operating forceps capable of being bent
CN205041489U (en) * 2015-09-24 2016-02-24 北京大学深圳医院 Multi -angle flexible peritoneoscope nipper
CN210494183U (en) * 2019-04-15 2020-05-12 福建省立医院 Grasping forceps for laparoscopic surgery

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5209747A (en) * 1990-12-13 1993-05-11 Knoepfler Dennis J Adjustable angle medical forceps
CN201164496Y (en) * 2008-02-04 2008-12-17 钟鸣 Multifunctional intestinal paw clamp
JP2008220972A (en) * 2008-04-11 2008-09-25 Olympus Corp Treatment instrument
CN101912290A (en) * 2010-07-22 2010-12-15 徐生源 Multifunctional bendable forceps for laparoscopic surgeries
CN201958956U (en) * 2010-12-03 2011-09-07 余姚市柳叶刀医疗器械科技有限公司 Biliary tract stone taking forceps capable of being bent
CN204147091U (en) * 2014-04-01 2015-02-11 雷东 The medical occlusion basket pincers of a kind of rotary type
CN104586474A (en) * 2014-05-29 2015-05-06 白少华 Operating forceps capable of being bent
CN205041489U (en) * 2015-09-24 2016-02-24 北京大学深圳医院 Multi -angle flexible peritoneoscope nipper
CN210494183U (en) * 2019-04-15 2020-05-12 福建省立医院 Grasping forceps for laparoscopic surgery

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