CN211066840U - Chuck structure of tissue clamp for endoscope - Google Patents
Chuck structure of tissue clamp for endoscope Download PDFInfo
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- CN211066840U CN211066840U CN201921117235.3U CN201921117235U CN211066840U CN 211066840 U CN211066840 U CN 211066840U CN 201921117235 U CN201921117235 U CN 201921117235U CN 211066840 U CN211066840 U CN 211066840U
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- 238000000034 method Methods 0.000 claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 36
- 239000010959 steel Substances 0.000 claims description 36
- 230000000694 effects Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005070 sampling Methods 0.000 abstract description 2
- 208000032843 Hemorrhage Diseases 0.000 description 5
- 230000000740 bleeding effect Effects 0.000 description 3
- 230000002439 hemostatic effect Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 210000001035 gastrointestinal tract Anatomy 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000003902 lesion Effects 0.000 description 2
- 206010067484 Adverse reaction Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000006838 adverse reaction Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000023597 hemostasis Effects 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
- 230000002792 vascular Effects 0.000 description 1
- 230000037314 wound repair Effects 0.000 description 1
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Abstract
A chuck structure of a tissue clamp for an endoscope belongs to the technical field of medical auxiliary instruments, and is characterized in that tail end eccentric holes of two clamping arms form dislocation fit, a positioning piece at the tail ends of the two clamping arms can also fix the positioning piece in a positioning hole of a clamp seat through left and right eccentric forces of the tail end dislocation round holes, so that closed integrity is ensured, and the phenomenon of disengagement of the clamping arms is solved, because the tail end of the clamp seat is also provided with a tapered surface structure which gradually narrows, a movable pin shaft can be ensured to be increasingly tightened in the backward movement process, the clamping arms are ensured to be stable in a locking state and can not be released again to open, and the clamping arms can conveniently rotate in a human body according to the operation angle, compared with the structure of the clamp seat of the existing living body sampling forceps, a protruding structure in the inner wall of the traditional clamp seat is replaced by a positioning hole and hook clamping positioning mode, the structure of, and the processing cost is low, the operation is convenient, the production difficulty is reduced, and the closing stability and the use safety are further improved.
Description
Technical Field
The utility model belongs to the technical field of medical auxiliary instrument, a tissue clamp for endoscope is related to, especially relate to a chuck structure that tissue clamp for endoscope was pressed from both sides.
Background
In recent years, the endoscopic tissue closure technology has become the most effective and clinically applicable method for surgical treatment of acute digestive tract tissue wound repair, hemostasis and the like of patients due to the characteristics of small trauma, high tissue closure growth speed, low occurrence frequency of re-bleeding, few complications, definite curative effect and the like. The metal tissue clamp under the endoscope is one of tissue closing means which are widely applied, skillful operation is carried out on proper cases, tissue closing growth and tissue re-tearing prevention can be effectively carried out, adverse reaction is reduced, and the safety and effectiveness of treatment under the endoscope for digestive tract tissue tearing and hemorrhage are greatly improved. The closing principle of the tissue clamp is the same as that of tissue suturing or ligating in surgical operation, the tissue clamp is a physical mechanical method, and the surrounding tissues and bleeding blood vessels are closed and ligated together by utilizing the mechanical force generated when the tissue clamp is closed, so that the tissues and bleeding parts are closed, the blood flow is blocked to close the tissues, the purpose of closed growth is achieved, and the tissue clamp is suitable for treatment of closed growth of the tissues after non-varicose active tissue tearing bleeding and cutting of visible tissue separated lesion.
The utility model of Chinese patent application No. 201410222753.7 discloses a hemostatic clip, the clip body of which is composed of two clamping arms, the tail ends of the two clamping arms are connected by a movable pin shaft, the middle parts of the two clamping arms are respectively provided with a chute, a fixed pin shaft passes through the chute, the two clamping arms reciprocate along the chute to form the opening and closing of the clip body, the pin shaft of the chute is positioned in a pulling structure, the two clamping arms are in a locking and closing position, the tail end of the chute is provided with a bending structure, when the clamping arms move to make the fixed pin shaft positioned in the bending structure, a bulge matched with the hook structure is arranged on a holder, when the two clamping arms are in the locking and closing position, the hook structure at the tail ends of the two clamping arms is buckled on the bulge, the two clamping arms are in the locking and closing position, if too much tissue is clamped, the hook structure at the tail ends of the two clamping arms can not be buckled, the falling risk exists, the protruding position on the clamping seat is difficult to process, the production is difficult, and the cost is high. The existing tissue clamp is inconvenient to place and fix, so that the tissue clamp which is convenient to operate, safe to use and stable and effective to close is urgently needed to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at when having the hemostatic clamp centre gripping tissue too much now, the crotch structure of two centre gripping arm tail ends can not the buckle in the arch, and centre gripping poor stability exists the risk that drops, and the difficult processing of protruding position on the holder, and the production degree of difficulty is big, and manufacturing cost is more not enough, provides a chuck structure that tissue clamp for endoscope, can make its convenient operation, can reduce the production degree of difficulty, can further promote closed stability and safety in utilization.
The technical scheme of the utility model is that: a clamping head structure of a tissue clamp for an endoscope comprises a fixed cap, a spring tube arranged at the tail end of the fixed cap, a steel wire rope and a connecting rod, wherein the steel wire rope and the connecting rod are arranged in the spring tube and connected with a handle; the method is characterized in that: the front end of the fixing cap is connected with a chuck main part, the chuck main part is formed by connecting a cylindrical clamp seat, a clamping arm, a steel wire buckle, a fixed pin shaft and a movable pin shaft, two U-shaped grooves are arranged in the vertical direction of the axis of the front end of the cylindrical clamp seat, a first positioning hole and a second positioning hole are respectively arranged at the rear ends of the U-shaped grooves, the fixed pin shaft is arranged in the horizontal direction of the axis of the front end of the cylindrical clamp seat, a first clamping arm and a second clamping arm are arranged on the fixed pin shaft, the first clamping arm and the second clamping arm are arranged in the two U-shaped grooves in an opening mode, the heads of the first clamping arm and the second clamping arm are respectively provided with an engagement end, a first sliding groove and a second sliding groove are respectively arranged on two attaching surfaces of the first clamping arm and the second clamping arm, a first hook is arranged at the inner tail end of the first clamping arm, a second hook is arranged at the inner tail end of the second clamping arm, the tail part of the first clamping arm is provided with a first eccentric hole, the tail part of the second clamping arm is provided with a second eccentric hole, the first clamping arm and the second clamping arm are arranged in a mirror symmetry mode by taking a fixed pin shaft as a center, the fixed pin shaft penetrates through the first sliding groove and the second sliding groove, the movable pin shaft is arranged in the first eccentric hole and the second eccentric hole, the steel wire buckle is arranged inside the cylindrical clamping seat, one end of the steel wire buckle is clamped with the movable pin shaft through a hook, the other end of the steel wire buckle is connected with the connecting rod through a spring buckle, the steel wire rope and the connecting rod are driven to move backwards under the pulling of the handle, the steel wire buckle and the movable pin shaft are driven to move backwards by the connecting rod, the first clamping arm and the second clamping arm are driven to close and move backwards by the movable pin shaft, and when the movable pin shaft moves to the limit position of the pin shaft, the first hook on the first clamping arm is clamped in the first positioning hole, the second hook on the second clamping arm is clamped in the second positioning hole, the inner wall of the tail end of the cylindrical clamping seat is provided with a tapered surface structure which gradually narrows, and the movable pin shaft is increasingly tightened in the backward movement process, so that the two clamping arms cannot be opened again in a locking state.
The occlusion ends of the first clamping arm and the second clamping arm are matched in a sawtooth shape, and the heads of the two clamping arms are spherical surfaces after being closed.
The first eccentric hole and the second eccentric hole are eccentrically arranged on the movable pin shaft in a staggered mode, and after the two clamping arms are closed, hook structures of the clamping arms are tensioned and clamped in positioning holes in the cylindrical clamping seat, so that the closing stability is obtained.
The inner diameters of the fixing cap and the spring tube are both larger than the maximum outer diameter of the steel wire buckle.
The side surfaces of the first clamping arm and the second clamping arm are in gradually-widened structures from the far end to the near end.
The first sliding groove and the second sliding groove are composed of straight groove parts and elbow parts, when the two clamping arms are combined, the straight groove parts on the two clamping arms are intersected to form an included angle, and the elbow parts are overlapped.
The utility model has the advantages that: the utility model provides a chuck structure of tissue clip for endoscope, which improves the traditional hemostatic clip chuck structure, and forms dislocation fit with the tail end eccentric hole of two clamping arms, so that the positioning piece at the tail end of the two clamping arms can be fixed in the positioning hole of the clamp seat through the left and right eccentric force of the tail end dislocation round hole, thereby ensuring the integrity of the closure, solving the phenomenon of the disengagement of the clamping arms, and because the tail end of the clamp seat is also provided with a tapered surface structure which gradually narrows, the movable pin shaft can be ensured to be tighter and tighter in the backward movement process, thereby ensuring that the clamping arms are stable in the locking state, and can not be released and opened again, and can conveniently rotate in the human body according to the operation angle requirement, compared with the structure of the clamp seat of the existing living body sampling forceps, the utility model has simpler structure by replacing the bulge structure in the inner wall of the traditional clamp seat with the mode of positioning hole and hook clamping and positioning, the processing is easy, the processing cost is low, the operation is convenient, the production difficulty is reduced, and the closing stability and the use safety are further improved.
Drawings
Fig. 1 is a schematic view of the structure of the utility model in use.
Fig. 2 is a schematic structural view of the chuck main part in an open state.
Fig. 3 is a schematic structural view of the chuck main part in a closed state.
Fig. 4 is the structural schematic diagram of the separation state of the steel screw thread and the movable pin shaft of the utility model.
Fig. 5 is a schematic top view of the present invention.
Fig. 6 is a schematic structural view of the middle clamping arm of the present invention.
In the figure: the clamping head comprises a clamping head main part 1, a first clamping arm 1A, a second clamping arm 1B, a first sliding groove 1C, a second sliding groove 1D, a second hook 1E, a first hook 1F, a first eccentric hole 1G, a second eccentric hole 1H, a cylindrical clamping seat 2A, a first positioning hole 2B, a second positioning hole 2C, a conical surface structure 2D, a steel wire buckle 3, a fixing cap 4, a spring tube 5, a fixing pin shaft 6, a movable pin shaft 7, a pin shaft movable position 7A, a pin shaft limit position 7B, a hook 8, a connecting rod 9, a handle 10, a steel wire rope 11, a limit ring 12 and a spring buckle 13.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in figures 1-6, the clamping head structure of the tissue clamp for the endoscope comprises a fixed cap 4, a spring tube 5 arranged at the tail end of the fixed cap 4, a steel wire rope 11 and a connecting rod 9 which are arranged inside the spring tube 5 and connected with a handle 10; the front end of the fixed cap 4 is connected with a chuck main part 1, the chuck main part 1 is formed by connecting a cylindrical clamp seat 2A, a clamping arm, a steel wire buckle 3, a fixed pin shaft 6 and a movable pin shaft 7, two U-shaped grooves are arranged in the vertical direction of the axis of the front end of the cylindrical clamp seat 2A, the rear ends of the U-shaped grooves are respectively provided with a first positioning hole 2B and a second positioning hole 2C, the fixed pin shaft 6 is arranged in the horizontal direction of the axis of the front end of the cylindrical clamp seat 2A, the fixed pin shaft 6 is provided with a first clamping arm 1A and a second clamping arm 1B, the first clamping arm 1A and the second clamping arm 1B are arranged in the two U-shaped grooves in an opening way, the heads of the first clamping arm 1A and the second clamping arm 1B are respectively provided with an engagement end, the two joint surfaces of the first clamping arm 1A and the second clamping arm 1B are respectively provided with a first chute 1C and a second chute 1D, the tail end of the inner side of the first clamping arm 1, the tail end of the inner side of the second clamping arm 1B is provided with a second hook 1E, the tail part of the first clamping arm 1A is provided with a first eccentric hole 1G, the tail part of the second clamping arm 1B is provided with a second eccentric hole 1H, the first clamping arm 1A and the second clamping arm 1B are arranged in a mirror symmetry mode by taking a fixed pin 6 as a center, the fixed pin 6 is arranged in a first chute 1C and a second chute 1D in a penetrating way, a movable pin 7 is arranged in the first eccentric hole 1G and the second eccentric hole 1H, a steel wire buckle 3 is arranged inside a cylindrical clamping seat 2A, one end of the steel wire buckle 3 is clamped with the movable pin 7 through a hook 8, the other end of the steel wire buckle 3 is connected with a connecting rod 9 through a spring clamp 13, a steel wire rope 11 and the connecting rod 9 are driven to move backwards under the pulling of a handle 10, the connecting rod 9 drives the steel wire buckle 3 and the movable pin 7 to move backwards, the movable pin 7 drives the first clamping arm 1A and the second clamping arm 1B to close and move, when the movable pin shaft 7 moves to the pin shaft limit position 7B at the pin shaft movable position 7A, the first hook 1F on the first clamping arm 1A is clamped into the first positioning hole 2B, the second hook 1E on the second clamping arm 1B is clamped into the second positioning hole 2C, the inner wall of the tail end of the cylindrical clamping seat 2A is provided with a tapered surface structure 2D which is gradually narrowed, and the movable pin shaft 7 is increasingly tightened in the backward movement process so that the two clamping arms cannot be opened again in a locking state. The occlusion ends of the first clamping arm 1A and the second clamping arm 1B are matched in a zigzag manner, and the heads of the two clamping arms are spherical after being closed. The first eccentric hole 1G and the second eccentric hole 1H are eccentrically arranged on the movable pin shaft 7 in a staggered mode, and after the two clamping arms are closed, hook structures of the clamping arms are tensioned and clamped in positioning holes in the cylindrical clamping seat 2A, so that the closing stability is obtained. The inner diameters of the fixing cap 4 and the spring tube 5 are both larger than the maximum outer diameter of the steel wire buckle 3. The side surfaces of the first holding arm 1A and the second holding arm 1B are gradually widened from the far end to the near end. The first sliding groove 1C and the second sliding groove 1D are composed of straight groove parts and elbow parts, when the two clamping arms are combined, the straight groove parts on the two clamping arms are intersected to form an included angle, and the elbow parts are overlapped.
As shown in figures 1-6, a structure of a clamping head of a tissue clamp for an endoscope, the length of a cylindrical clamping seat 2 is equal to 5.3mm, and the structure can be conveniently used for operating tissues at a deeper part; the front end of the cylindrical clamping seat 2 is provided with a fixed pin shaft 6, the tail ends of the first clamping arm 1A and the second clamping arm 1B are connected through a movable pin shaft 7, the middle parts of the two clamping arms are respectively provided with a first chute 1C and a second chute 1D, the meshing ends of the two clamping arms are in sawtooth-shaped matching and reciprocate along a U-shaped groove on the cylindrical clamping seat 2 to form the opening and closing of the chuck main part 1.
As shown in FIG. 1, in a structure of a clip head of a tissue clip for an endoscope, a stopper ring 12 for preventing an operating handle 10 from slipping off is provided at a rear end of a spring tube 5, so that the operating handle 10 can be prevented from slipping off a cylindrical clip holder 2, and the tissue clip can be hung and stored when the tissue clip is not used.
As shown in FIG. 2, in a structure of a clamping head of a tissue clamp for an endoscope, when two clamping arms 1A and 1B are in an open state, the tissue clamp can be aligned with a human tissue part to be clamped, and a handle can be rotated as required, so that a tissue clamp body can be driven to rotate.
As shown in FIG. 3, in a structure of a clamping head of a tissue clamp for an endoscope, after a tissue clamping portion is aligned, a handle is moved backward to operate a wire rope 11, and at this time, two clamping arms 1A and 1B are retracted along a track formed by sliding grooves 1C and 1D and a fixed pin 7 and are closed. The end of spout 1C, 1D is equipped with structure 1E, 1F of buckling, when the centre gripping arm removes to make fixed pin 7 be located the structure of buckling, forms the closure when guaranteeing two centre gripping arms 1A, 1B rearward movements promptly, dies at spout 1C, 1D's end lock simultaneously. Meanwhile, the tail ends of the two clamping arms are provided with hook structures 1E and 1F, the cylindrical clamping seat 2A is provided with positioning holes 2B and 2C matched with the hook structures, and when the two clamping arms are located at the locking closed position, the hook structures at the tail ends of the two clamping arms are buckled in the positioning holes, namely, the clamping arms 1A and 1B cannot be opened any more at the position. The side surfaces of the clamping arms 1A and 1B are of gradually-widened structures from the far end to the near end, so that the root strength of the tissue clamp can be increased, the reliability of normal use is ensured, the near end is the end close to the operating handle, and the far end is the end close to a target focus.
As shown in fig. 4, in the structure of the clamping head of the tissue clamp for the endoscope, the inner diameter of the fixing cap 4 and the inner diameter of the distal spring tube 5 are both larger than the maximum outer diameter of the steel wire buckle 3, so that the separated components can enter the distal spring tube 5 under the traction force of the steel wire rope 11, and the injury to a human body and an endoscope cavity channel is reduced. The tail ends of the clamping arms 1A and 1B are provided with hook structures 1E and 1F, and the clamping seat 2 is provided with positioning holes 2B and 2C matched with the hook structures 1E and 1F; when the clamping arms 1A and 1B move to enable the hook structures 1E and 1F at the tail ends to be buckled in the positioning holes 2B and 2C, the two clamping arms 1A and 1B are in locking closed positions, the tail ends of the clamping arms 1A and 1B are provided with movable pin holes 1G and 1H, the pin holes and the centers have relative deviation of 1mm, and when the clamping arms 1A and 1B are in locking closed, the buckles of the hook structures 1E and 1F completely enter the positioning holes 2B and 2C and cannot fall off, so that double insurance is formed, the chuck main part 1 is stable in a locking state and cannot be suddenly released and opened again; the occlusion distal ends of the two clamping arms 1A and 1B are matched in a zigzag manner, so that the forceps head ends of the two clamping arms are synchronously matched to ensure the effectiveness of the clamp body 1 after clamping; the occluded far ends of the two clamping arms 1A and 1B are closed to form a spherical end surface so as to protect the endoscope cavity; the front end 8 of the steel wire buckle 3 is wound on the movable pin shaft 7, the movable pin shaft 7 penetrates through pin holes 1G and 1H at the tail ends of the clamping arms 1A and 1B, when the pulling force exerted on the steel wire buckle 3 reaches a preset value of 35-40N, the steel wire buckle 3 is straightened and separated from the movable pin shaft 7, and after the steel wire buckle 3 is separated from the movable pin shaft 7, the rear part of the clamp body 1 is fixed in the cylindrical clamp holder 2; a spring buckle 13 is arranged in the fixing cap 4, the cylindrical clamping seat 2 and the fixing cap 4 are provided with mutually embedded and overlapped parts, and the mutually embedded and overlapped parts are provided with clamping grooves capable of accommodating the spring buckle 13; spring buckle 13 is connected holder 2 and locking cap 4, and when the pulling force that continues to apply on spring buckle 13 reached 20 ~ 30N, steel wire buckle 3 and spring buckle 13 produced deformation and flare-out and break away from the draw-in groove, and holder 2 and locking cap 4 alternate segregation.
As shown in figure 5, the tail end of a clamping seat 2 is provided with a gradually narrowing structure, so that a movable pin shaft is ensured to be tighter and tighter in the moving process from 7a to 7b, the stability of a clamping head main part 1 in a locking state is ensured, the clamping head main part can not be released suddenly again and then opened, holes 1G and 1H at the tail end of a first clamping arm and a second clamping arm have eccentric structures, and positioning parts 1E and 1F are ensured to be fixed in positioning holes matched with a hook structure of the clamping seat after closing and are not easy to fall off. The sliding grooves 1C and 1D not only ensure smooth movement of the chuck main part 1, but also ensure product integrity and mechanical property of the chuck main part 1 in a stressed state, and meet the size requirement of a design opening.
When the endoscope is used, under the auxiliary monitoring effect of the endoscope, the chuck main part 1 is conveyed to a specified target lesion position, the operating handle 10 is rotated to a proper angle, then the operating steel wire rope 11 is pulled backwards, and the chuck main part 1 effectively clamps the torn tissue or the vascular tissue and is separated from the fixing cap 4 and is left in the body of a patient.
Claims (6)
1. A clamping head structure of a tissue clamp for an endoscope comprises a fixed cap (4), a spring tube (5) arranged at the tail end of the fixed cap (4), a steel wire rope (11) and a connecting rod (9) which are arranged inside the spring tube (5) and connected with a handle (10); the method is characterized in that: the front end of the fixing cap (4) is connected with a chuck main part (1), the chuck main part (1) is formed by connecting a cylindrical clamping seat (2A), a clamping arm, a steel wire buckle (3), a fixed pin shaft (6) and a movable pin shaft (7), two U-shaped grooves are arranged in the vertical direction of the axis of the front end of the cylindrical clamping seat (2A), a first positioning hole (2B) and a second positioning hole (2C) are respectively arranged at the rear end of each U-shaped groove, the fixed pin shaft (6) is arranged in the horizontal direction of the axis of the front end of the cylindrical clamping seat (2A), a first clamping arm (1A) and a second clamping arm (1B) are arranged on the fixed pin shaft (6), the first clamping arm (1A) and the second clamping arm (1B) are arranged in the two U-shaped grooves in an open mode, the heads of the first clamping arm (1A) and the second clamping arm (1B) are respectively provided with a closing end, a first sliding groove (1C) and a second sliding groove (1D) are respectively arranged on two binding surfaces of the first clamping arm (1A) and the second clamping arm (1B), a first hook (1F) is arranged at the tail end of the inner side of the first clamping arm (1A), a second hook (1E) is arranged at the tail end of the inner side of the second clamping arm (1B), a first eccentric hole (1G) is arranged at the tail part of the first clamping arm (1A), a second eccentric hole (1H) is arranged at the tail part of the second clamping arm (1B), the first clamping arm (1A) and the second clamping arm (1B) are symmetrically arranged by taking a fixed pin shaft (6) as a central mirror image, the fixed pin shaft (6) penetrates through the first sliding groove (1C) and the second sliding groove (1D), and the movable pin shaft (7) is arranged in the first eccentric hole (1G) and the second eccentric hole (1H), the steel wire buckle (3) is arranged inside the cylindrical clamping seat (2A), one end of the steel wire buckle (3) is clamped with the movable pin shaft (7) through a hook (8), the other end of the steel wire buckle (3) is connected with the connecting rod (9) through a spring buckle (13), the steel wire rope (11) and the connecting rod (9) are driven to move backwards under the pulling of the handle (10), the steel wire buckle (3) and the movable pin shaft (7) are driven to move backwards by the connecting rod (9), the first clamping arm (1A) and the second clamping arm (1B) are driven to be closed and move backwards by the movable pin shaft (7), when the movable pin shaft (7) moves to the pin shaft pole limit (7B) at the pin shaft movable position (7A), the first hook (1F) on the first clamping arm (1A) is clamped into the first positioning hole (2B), the second hook (1E) on the second clamping arm (1B) is clamped into the second positioning hole (2C), the inner wall of the tail end of the cylindrical clamping seat (2A) is provided with a tapered surface structure (2D) which is gradually narrowed, and the movable pin shaft (7) is increasingly tightened in the backward movement process so that the two clamping arms cannot be opened again in a locking state.
2. The structure of the collet of the tissue clip for an endoscope according to claim 1, wherein: the occlusion ends of the first clamping arm (1A) and the second clamping arm (1B) are matched in a sawtooth shape, and the heads of the two clamping arms are spherical after being closed.
3. The structure of the collet of the tissue clip for an endoscope according to claim 1, wherein: first eccentric orfice (1G) is eccentric dislocation set on activity round pin axle (7) with second eccentric orfice (1H), makes the crotch structure tensioning joint of each centre gripping arm in the locating hole on tube-shape holder (2A) after two centre gripping arms are closed to obtain closed stability.
4. The structure of the collet of the tissue clip for an endoscope according to claim 1, wherein: the inner diameters of the fixing cap (4) and the spring tube (5) are both larger than the maximum outer diameter of the steel wire buckle (3).
5. The structure of the collet of the tissue clip for an endoscope according to claim 1, wherein: the side surfaces of the first clamping arm (1A) and the second clamping arm (1B) are in gradually-widened structures from the far end to the near end.
6. The structure of the collet of the tissue clip for an endoscope according to claim 1, wherein: the first sliding groove (1C) and the second sliding groove (1D) are composed of straight groove parts and elbow parts, when the two clamping arms are combined, the straight groove parts on the two clamping arms are intersected to form an included angle, and the elbow parts are overlapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921117235.3U CN211066840U (en) | 2019-07-17 | 2019-07-17 | Chuck structure of tissue clamp for endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921117235.3U CN211066840U (en) | 2019-07-17 | 2019-07-17 | Chuck structure of tissue clamp for endoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211066840U true CN211066840U (en) | 2020-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921117235.3U Expired - Fee Related CN211066840U (en) | 2019-07-17 | 2019-07-17 | Chuck structure of tissue clamp for endoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211066840U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110251186A (en) * | 2019-07-17 | 2019-09-20 | 扬州富达医疗器械有限公司 | A kind of chuck structure of endoscope-use tissue folder |
| TWI714519B (en) * | 2020-09-10 | 2020-12-21 | 蔡昌育 | Forceps structure |
| CN112730029A (en) * | 2020-12-25 | 2021-04-30 | 陵县盛泽特色纺织品有限公司 | Yarn strength detection device for spinning |
| CN114191069A (en) * | 2021-12-06 | 2022-03-18 | 安瑞医疗器械(杭州)有限公司 | Hemostatic forceps holder and clamping head component thereof |
| WO2024045462A1 (en) * | 2022-09-02 | 2024-03-07 | 武汉联影智融医疗科技有限公司 | End effector, surgical instrument, and tool |
-
2019
- 2019-07-17 CN CN201921117235.3U patent/CN211066840U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110251186A (en) * | 2019-07-17 | 2019-09-20 | 扬州富达医疗器械有限公司 | A kind of chuck structure of endoscope-use tissue folder |
| TWI714519B (en) * | 2020-09-10 | 2020-12-21 | 蔡昌育 | Forceps structure |
| CN112730029A (en) * | 2020-12-25 | 2021-04-30 | 陵县盛泽特色纺织品有限公司 | Yarn strength detection device for spinning |
| CN114191069A (en) * | 2021-12-06 | 2022-03-18 | 安瑞医疗器械(杭州)有限公司 | Hemostatic forceps holder and clamping head component thereof |
| CN114191069B (en) * | 2021-12-06 | 2024-01-12 | 安瑞医疗器械(杭州)有限公司 | Hemostatic forceps and chuck component thereof |
| WO2024045462A1 (en) * | 2022-09-02 | 2024-03-07 | 武汉联影智融医疗科技有限公司 | End effector, surgical instrument, and tool |
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Granted publication date: 20200724 |