CN113180784A - Non-destructive laparoscope grasping forceps with scissors function - Google Patents
Non-destructive laparoscope grasping forceps with scissors function Download PDFInfo
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- CN113180784A CN113180784A CN202110477261.2A CN202110477261A CN113180784A CN 113180784 A CN113180784 A CN 113180784A CN 202110477261 A CN202110477261 A CN 202110477261A CN 113180784 A CN113180784 A CN 113180784A
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- 230000007246 mechanism Effects 0.000 claims abstract description 76
- 238000013461 design Methods 0.000 claims abstract description 36
- 238000010008 shearing Methods 0.000 claims abstract description 18
- 238000003825 pressing Methods 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 7
- 241000826860 Trapezium Species 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 238000005520 cutting process Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 3
- 230000001066 destructive effect Effects 0.000 abstract 1
- 210000000078 claw Anatomy 0.000 description 4
- 230000036285 pathological change Effects 0.000 description 3
- 231100000915 pathological change Toxicity 0.000 description 3
- 230000001575 pathological effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000000056 organ Anatomy 0.000 description 2
- 206010011409 Cross infection Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000002357 laparoscopic surgery Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000758 substrate Substances 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, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B17/295—Forceps for use in minimally invasive surgery combined with cutting implements
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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
- A61B17/2909—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
- A61B17/32—Surgical cutting instruments
- A61B17/3201—Scissors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
- A61L2/18—Liquid substances or solutions comprising solids or dissolved gases
-
- 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
- A61B2017/2946—Locking means
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Abstract
The invention provides a laparoscope non-destructive grasping forceps with a scissor function, which relates to the technical field of medical equipment and solves the problems that the existing grasping forceps can only grasp diseased tissues and pull out the diseased tissues and can not shear the diseased tissues in the practical application process, so that the operation is inconvenient, surgical instruments need to be sterilized due to the uniqueness of the application scene, the existing equipment is difficult to ensure that the components are sterilized when the components are replaced, and further the safety hazard exists, and comprises a grasping mechanism, wherein the main body of the grasping mechanism consists of two components, and as an unlocking component is arranged, a disinfection solution is required to be filled into the interior of a connecting box to push the unlocking component to extrude an inserting plate into the interior of the connecting block when the shearing mechanism is disassembled, this design forces the user to sterilize the cutting assembly when replacing it.
Description
Technical Field
The invention belongs to the technical field of medical equipment, and particularly relates to a pair of non-invasive laparoscopic graspers with a scissor function.
Background
Medical equipment refers to instruments, devices, appliances, materials or other items used alone or in combination in the human body, and also includes required software. The medical equipment is the most basic element of medical treatment, scientific research, teaching, institutions and clinical discipline work, namely professional medical equipment and household medical equipment are included, and laparoscopic surgery is a newly developed minimally invasive method and is a necessary trend for the development of future surgical methods. With the rapid advance of industrial manufacturing technology, the fusion of related subjects lays a firm foundation for the development of new technology and new method, and the more and more skillful operation of doctors makes many of the past open operations replaced by the intracavity operations, so that the operation selection opportunities are greatly increased, and the grasping forceps in the laparoscopic operations are more important as important components in the operations, and are frequently used in the treatment process, so that a better laparoscopic grasping forceps is needed for use.
For example, application No.: the invention relates to CN106821492A, and the invention relates to a double-headed laparoscopic grasper, which is provided with two grasper claws, two connecting rods, a main rod, a handle and two control buttons, wherein the two grasper claws are respectively arranged at two ends of the connecting rods, the connecting rods are arranged at the front ends of the main rods, the rear ends of the main rods are connected with the handle, the two control buttons are arranged at the front parts of the handles, and the two control buttons respectively control one grasper claw. The multifunctional forceps have the advantages that the two grasping claws which can be independently controlled to open and close are utilized to realize more stable operation on organs, so that slipping is prevented; the operation is simple, convenient and fast, and the popularization is convenient; the grasping forceps can be locked by utilizing the control button, so that the finger stiffness caused by long-time pressing of the operator is avoided; on the premise of keeping the clamping stability of the organ, the flexibility of the operation is improved.
Based on the retrieval of above-mentioned patent to and combine the equipment discovery among the prior art, above-mentioned equipment is when using, though can utilize two nipper to press from both sides to get the use, there is one in the practical application process that pathological change tissue has adhesion nature more, therefore traditional nipper only can snatch the back to pathological change tissue and tear out, can not cut pathological change tissue, and then there is the inconvenience of using, and second surgical instruments need disinfect because of the uniqueness of its application scene, and current equipment is difficult to ensure the subassembly when changing the subassembly and has been disinfected, and then there is the potential safety hazard.
Disclosure of Invention
In order to solve the technical problems, the invention provides a non-invasive laparoscopic grasper with a scissor function, which is used for solving the problems that firstly, pathological tissues are mostly sticky in the existing practical application process, so that the traditional grasper can only grasp and pull out the pathological tissues and can not cut the pathological tissues, further the use is inconvenient, secondly, surgical instruments need to be sterilized due to the uniqueness of the application scene, and the existing equipment is difficult to ensure that components are sterilized when the components are replaced, further the potential safety hazard exists.
The invention relates to a laparoscope nondestructive grasping forceps with a scissors function, which has the purposes and effects that the laparoscope nondestructive grasping forceps with the scissors function are achieved by the following specific technical means:
a laparoscope non-invasive grasping forceps with a scissor function, which comprises a grasping mechanism,
the main body of the holding mechanism is composed of two parts, the two parts in the holding mechanism are hinged with each other, a sleeve is further installed on the left side of the holding mechanism, and a locking mechanism is further installed inside the sleeve.
Further, the connection mechanism includes:
the connecting block is hollow and is designed into an ellipsoid structure with four arc-shaped sides, square grooves are formed in the center positions of the top end face and the bottom end face of the connecting block, the two square grooves are communicated with each other, the volume of the connecting block is smaller than that of a sleeve arranged on the left side of the handle A, the connecting block is inserted into the inner position of the groove in the left side of the sleeve, and the square grooves are formed in the top end and the bottom end of the left side of the sleeve;
the plug board is in a cuboid structural design, the top end of the plug board is in an arc structural design, the length and the width of the plug board are matched with square grooves formed in the top end and the bottom end of the connecting block, the two plug boards are installed in opposite directions, and springs are installed on the inner sides of the two plug boards;
further, the locking mechanism further comprises:
the driving assembly consists of a rack and a gear, the gear is meshed and driven at the front position of the rack, the rack is connected with the button through a guide rod, and the driving assembly is positioned at the left position of the handle B;
further, the shearing mechanism includes:
the clamping jaw comprises clamping jaws, wherein the main bodies of the clamping jaws are designed to be of a cuboid structure, anti-slip blocks are mounted on the front side and the rear side of the inner side surfaces of the two clamping jaws, transverse slots are formed in the inner positions of the two clamping jaws, substrates with the same size are further mounted on the left end surface and the right end surface of the inner portion of each slot formed in the clamping jaws, and through slots formed in the clamping jaws are divided into T-shaped structures;
further, the locking mechanism further comprises:
the driven assembly is a main gear, the left side and the right side of the lower end of the main gear are engaged with and driven by two helical gears with the same size, the right side of the helical gear on the right side is also provided with a transmission shaft and is connected with the left end of a gear member in the driving assembly through the transmission shaft, the left side of the helical gear on the left side is also provided with a guide rod, the guide rod is connected with the clamping jaw, and the left side of the driven assembly is also provided with a connecting mechanism;
further, the holding mechanism includes:
the main body of the grip A is in a b-shaped structural design, the top end of the left side of the holding mechanism is also provided with a sleeve pipe with a hollow interior, and the sleeve pipe is in a structural design extending towards the left side;
further, the shearing mechanism further comprises:
the cutter comprises a blade, a main body of the blade is designed into a cuboid structure, the length of the main body of the blade is consistent with the length and width of a square groove formed in the clamping jaw, scissors are further mounted at the center of the bottom end face of the main body of the blade, screw holes are formed in the left side and the right side of the top end face of the main body of the blade, bolts are screwed in the screw holes, and the blade is screwed in the inner position of the clamping jaw through the bolts;
further, the connection mechanism further includes:
the main body of the connecting box is in a cuboid structural design, the interior of the connecting box is in a hollow structural design, the bottom end of the connecting box is in an open structural design, and a round hole is formed in the center of the interior of a partition board arranged at the right end of the connecting box;
the section of the unlocking assembly is in a trapezoidal structural design, the right end face of an unlocking block in the unlocking assembly is attached to the inner wall of the connecting box and the top end plane of the sleeve, the left end face of the unlocking block is in a bevel edge structural design, two springs are arranged on the left side of the unlocking block in a longitudinal array mode and are elastically connected to the inner position of the connecting box through the springs, and a shearing mechanism is further mounted on the left side of the connecting box;
further, the holding mechanism further comprises:
the handle B is in an L-like structural design and is hinged at the right side of the handle A, the handle B is attached to the right end face of the handle A in a normal state, the distance between the handle B and the bottom face is larger than the distance between the handle A and the bottom face, and a locking mechanism is further installed inside a sleeve installed on the left side of the handle A;
further, the locking mechanism includes:
the pressing component is composed of a main body, a cylindrical button and a cylindrical guide rod, the button and the guide rod jointly form a T-shaped structural design, a spring is further mounted under the button in the pressing component and is in a structural design of being sleeved on the outer side of the guide rod, and the pressing component is mounted on the top side of the outer peripheral surface of the sleeve through the spring.
Compared with the prior art, the invention has the following beneficial effects:
1. owing to be provided with locking mechanism and shearing mechanism, the main part of the subassembly of pressing wherein is that a columniform button and columniform guide arm are constituteed, and the button constitutes "T" font structural design jointly with the guide arm, and still install the spring under the button in the subassembly of pressing, accessible pushes down the subassembly of pressing after the user assembles the blade in the shearing mechanism inside the square groove of seting up of clamping jaw inside and drives driven subassembly through drive assembly, and then carries out the clamping shearing work with handle B pulling opposite direction with two clamping jaws, can accomplish the shearing operation to patient's affected part, this design can be accomplished to patient's affected part with the high efficiency and cut, in order to prevent to take place to glue even.
2. Owing to be equipped with the unblock subassembly, the cross-section of unblock subassembly is the trapezium structural design, and the right-hand member face of the unblock piece in the unblock subassembly laminates with the inner wall of connecting box and sheathed tube top plane mutually, and the left end face of unblock piece is hypotenuse structural design, it is equipped with two springs still to be longitudinal array in the left side of unblock piece, consequently will pull down shearing mechanism when must earlier fill into the antiseptic solution to the inside of connecting box promote to the unblock subassembly with the picture peg extrusion can take off behind the inside of connecting block, this design forces the user to disinfect it when changing shearing subassembly, and then avoided leading to the cross infection's the condition appearance because of work busy causes forgetting the disinfection.
Drawings
Fig. 1 is a left side view schematically showing the structure of the present invention in a half-section state.
FIG. 2 is a schematic diagram of the right side view of the present invention in a half-section state.
Fig. 3 is a schematic bottom side view of the present invention in a half-section configuration.
Fig. 4 is a schematic front view of the present invention in a half-section state.
Fig. 5 is a schematic top view of the present invention in a half-section.
Fig. 6 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention.
Fig. 7 is an enlarged view of the structure of fig. 1 at B.
Fig. 8 is an enlarged view of the structure of fig. 1 at C according to the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a holding mechanism; 101. a grip A; 102. a grip B; 2. a locking mechanism; 201. pressing the component; 202. a drive assembly; 203. a driven assembly; 3. a connecting mechanism; 301. connecting blocks; 302. inserting plates; 303. a connecting box; 304. an unlocking assembly; 4. a shearing mechanism; 401. a clamping jaw; 402. a blade.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 8:
the invention provides a laparoscope nondestructive grasping forceps with a scissors function, which comprises: the holding mechanism (1) is provided with a holding mechanism,
the main body of the holding mechanism 1 is composed of two parts, the two parts in the holding mechanism 1 are hinged with each other, a sleeve is further installed on the left side of the holding mechanism 1, and a locking mechanism 2 is further installed inside the sleeve.
Wherein, locking mechanism 2 still includes:
the driven assembly 203 is a main gear, two helical gears with the same size are meshed and driven on the left side and the right side of the lower end of the main gear, a transmission shaft is further mounted on the right side of the helical gear on the right side and connected with the left end of a gear member in the driving assembly 202 through the transmission shaft, a guide rod is further mounted on the left side of the helical gear on the left side and connected with the clamping jaw 401, and a connecting mechanism 3 is further mounted on the left side of the driven assembly 203.
Wherein, coupling mechanism 3 still includes:
the main body of the connecting box 303 is designed into a cuboid structure, the interior of the connecting box 303 is designed into a hollow structure, the bottom end of the connecting box 303 is designed into an open structure, and a round hole is formed in the center of the interior of a partition board arranged at the right end of the connecting box 303;
unblock subassembly 304, the cross-section of unblock subassembly 304 is the trapezium structure design, and the right-hand member face of the piece that unlocks among unblock subassembly 304 and the inner wall of connecting box 303 and sheathed tube top end plane laminate mutually, and the left end face of the piece that unlocks is hypotenuse structural design, still be longitudinal array and be equipped with two springs on the left side of unblock piece, and through the inside position of spring elastic connection at connecting box 303, still install shear mechanism 4 in the left side of connecting box 303.
Wherein, the holding mechanism 1 further comprises:
the handle B102 is in an L-like structural design, the handle B102 is hinged to the right side of the handle A101, the handle B102 is attached to the right end face of the handle A101 in a normal state, the distance between the handle B102 and the bottom face is larger than the distance between the handle A101 and the bottom face, and the locking mechanism 2 is further installed inside a sleeve installed on the left side of the handle A101.
Wherein, shearing mechanism 4 includes:
clamping jaw 401, clamping jaw 401's main part are cuboid structural design, and the non slipping spur is all installed to both sides around the medial surface of two clamping jaws 401 to horizontal slot has all been seted up to two clamping jaws 401's inside position, and the same size's base plate is still installed to both ends face about the slot that the clamping jaw 401 is inside was seted up, cuts apart the logical groove of seting up the clamping jaw 401 inside and is "T" font structure.
Wherein, locking mechanism 2 includes:
the pressing component 201 is characterized in that the main body of the pressing component 201 is composed of a cylindrical button and a cylindrical guide rod, the button and the guide rod jointly form a T-shaped structural design, a spring is further mounted right below the button in the pressing component 201 and is in a structural design sleeved on the outer side of the guide rod, and the pressing component 201 is mounted on the top side of the outer peripheral surface of the sleeve through the spring.
Wherein, shearing mechanism 4 still includes:
Wherein, the holding mechanism 1 includes:
the main body of the grip A101 is in a b-shaped structural design, a sleeve pipe with a hollow inner part is further installed at the top end of the left side of the holding mechanism 1, and the sleeve pipe is in a structural design extending towards the left side.
Wherein, coupling mechanism 3 includes:
the connecting block 301 is designed to be an ellipsoid structure with a hollow interior and four arc-shaped sides, square grooves are formed in the center positions of the top end face and the bottom end face of the connecting block 301, the two square grooves are communicated with each other, the volume of the connecting block 301 is smaller than that of a sleeve arranged on the left side of the handle A101, the connecting block 301 is inserted into the groove in the left side of the sleeve, and the square grooves are formed in the top end and the bottom end of the left side of the sleeve;
the plug boards 302 and the plug boards 302 are designed to be cuboid structures, the top ends of the plug boards 302 are designed to be arc structures, the length and the width of the plug boards 302 are matched with square grooves formed in the top ends and the bottom ends of the connecting blocks 301, the two plug boards 302 are installed in opposite directions, and springs are installed on the inner sides of the two plug boards 302.
Wherein, locking mechanism 2 still includes:
the driving assembly 202, the driving assembly 202 is composed of a rack and a gear, the gear is engaged and driven at the front position of the rack, the rack is connected with the button through the guide rod, and the driving assembly 202 is located at the left position of the handle B102.
When in use: because the left side of the grip A101 in the holding mechanism 1 is provided with the sleeve, the inner position of the sleeve is also provided with the locking mechanism 2, the main body of the pressing component 201 is composed of a cylindrical button and a cylindrical guide rod, the button and the guide rod jointly form a T-shaped structure design, and a spring is also arranged right below the button in the pressing component 201, after a user assembles the blade 402 in the shearing mechanism 4 into a square groove arranged in the clamping jaw 401, the pressing component 201 can be pressed downwards to drive the driven component 203 through the driving component 202, and then the two clamping jaws 401 can be clamped and sheared in the direction opposite to the traction direction of the grip B102, so that the shearing operation on the affected part of the patient can be completed;
when the user holds the holding mechanism 1 to mount the cutting mechanism 4, firstly, by pressing the two insertion plates 302 in the connecting mechanism 3 simultaneously to the inside of the connecting block 301, the assembling work of the cutting mechanism 4 is then performed by inserting the joint block 301 into the inner left side of the sleeve mounted on the left side of the grip a101, the cutting mechanism 4 can be used after being assembled, and after the user finishes using the cutting mechanism, because the unlocking assembly 304 is arranged, the section of the unlocking assembly 304 is designed to be a trapezoidal structure, the right end face of the unlocking block in the unlocking assembly 304 is attached to the inner wall of the connecting box 303 and the top end plane of the sleeve, and the left end face of the unlocking block is designed to be a bevel edge structure, two springs are arranged on the left side of the unlocking block in a longitudinal array mode, so that when the shearing mechanism 4 is to be detached, the disinfection solution is firstly filled into the connecting box 303 to push the unlocking assembly 304 to extrude the inserting plate 302 into the connecting block 301, and then the inserting plate can be detached.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. The utility model provides a take peritoneoscope not damaged nipper of scissors function which characterized in that: comprises a holding mechanism (1),
the main body of the holding mechanism (1) is composed of two parts, the two parts in the holding mechanism (1) are hinged with each other, a sleeve is further mounted on the left side of the holding mechanism (1), and a locking mechanism (2) is further mounted inside the sleeve.
2. The laparoscopic atraumatic grasper with scissors function according to claim 1, characterized in that: the gripping mechanism (1) comprises:
the handle A (101) is structurally designed in a 'b' shape, a sleeve pipe with a hollow inner part is further mounted at the top end of the left side of the holding mechanism (1), and the sleeve pipe is structurally designed to extend towards the left side.
3. The laparoscopic atraumatic grasper with scissors function according to claim 2, characterized in that: the gripping mechanism (1) further comprises:
the handle B (102), the handle B (102) is designed to be similar to an L-shaped structure, the handle B (102) is hinged to the right side of the handle A (101), the handle B (102) is attached to the right end face of the handle A (101) in a normal state, the distance between the handle B (102) and the bottom face is larger than the distance between the handle A (101) and the bottom face, and a locking mechanism (2) is further installed inside a sleeve installed on the left side of the handle A (101).
4. The laparoscopic atraumatic grasper with scissors function according to claim 3, wherein: the locking mechanism (2) comprises:
the pressing component (201), the main body of the pressing component (201) is composed of a cylindrical button and a cylindrical guide rod, the button and the guide rod jointly form a T-shaped structural design, a spring is further installed right below the button in the pressing component (201), the spring is in a structural design sleeved on the outer side of the guide rod, and the pressing component (201) is installed on the top side of the outer peripheral surface of the sleeve through the spring.
5. The laparoscopic atraumatic grasper with scissors function according to claim 4, wherein: the locking mechanism (2) further comprises:
the driving assembly (202), the driving assembly (202) comprises a rack and a gear, and the gear engagement transmission is in the front side position of rack, and the rack is connected with the button through the guide rod, and the driving assembly (202) is located in the left side position of handle B (102).
6. The laparoscopic atraumatic grasper with scissors function according to claim 5, wherein: the locking mechanism (2) further comprises:
the driven assembly (203) is a main gear, the left side and the right side of the lower end of the main gear are meshed with and drive two helical gears with the same size, a transmission shaft is further mounted on the right side of the helical gear on the right side and is connected with the left end of a gear member in the driving assembly (202) through the transmission shaft, a guide rod is further mounted on the left side of the helical gear on the left side and is connected with the clamping jaw (401), and a connecting mechanism (3) is further mounted on the left side of the driven assembly (203).
7. The laparoscopic atraumatic grasper with scissors function according to claim 6, wherein: the connection mechanism (3) includes:
the connecting block (301) is designed to be an ellipsoid structure which is hollow inside and four sides of which are arc structures, square grooves are formed in the center positions of the top end face and the bottom end face of the connecting block (301), the two square grooves are communicated with each other, the volume of the connecting block (301) is smaller than that of a sleeve installed on the left side of the handle A (101), the connecting block (301) is inserted into the groove in the left side of the sleeve, and the square grooves are formed in the top end and the bottom end of the left side of the sleeve;
the plug board (302), the plug board (302) is the design of cuboid structure, and the top of plug board (302) is the design of arc structure, and the length and the width of plug board (302) all match with the square groove that connecting block (301) top and bottom were seted up, and two picture pegs (302) are the installation of subtend, and the inboard of two picture pegs (302) is installed the spring.
8. The laparoscopic atraumatic grasper with scissors function according to claim 7, wherein: the connecting mechanism (3) further comprises:
the main body of the connecting box (303) is designed into a cuboid structure, the interior of the connecting box (303) is designed into a hollow structure, the bottom end of the connecting box (303) is designed into an open structure, and a round hole is formed in the center of the interior of a partition board arranged at the right end of the connecting box (303);
unblock subassembly (304), the cross-section of unblock subassembly (304) is trapezium structure design, and the right-hand member face of the piece that unlocks in unblock subassembly (304) and the inner wall of connecting box (303) and sheathed tube top plane laminate mutually, and the left end face of the piece that unlocks is hypotenuse structural design, it is equipped with two springs still to be longitudinal array in the left side of unblock piece, and connect the inside position in connecting box (303) through spring elastic connection, still install shear mechanism (4) in the left side of connecting box (303).
9. The laparoscopic atraumatic grasper with scissors function of claim 8, wherein: the shearing mechanism (4) comprises:
clamping jaw (401), the main part of clamping jaw (401) is cuboid structural design, and the non slipping spur is all installed to both sides around the medial surface of two clamping jaws (401) to horizontal slot has all been seted up to the inside position of two clamping jaws (401), and the same size's base plate is still installed to both ends face about the slot inside of seting up clamping jaw (401), cuts apart the logical groove of seting up clamping jaw (401) inside and is "T" font structure.
10. The laparoscopic atraumatic grasper with scissors capability of claim 9, wherein: the shearing mechanism (4) further comprises:
blade (402), the main part of blade (402) is a cuboid structural design, and the length of the main part of blade (402) is unanimous with the length and width of the inside square groove of seting up of clamping jaw (401), and the bottom face central point of blade (402) main part puts and still installs the scissors, has all seted up the screw in the top face left and right sides of blade (402) main part, and has twisted and connect the bolt, and blade (402) twist through the bolt and connect the inside position at clamping jaw (401).
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