CN211094325U

CN211094325U - Novel thermal biopsy forceps for endoscope

Info

Publication number: CN211094325U
Application number: CN201921533494.4U
Authority: CN
Inventors: 曹佑文; 牟晨杰; 杨凯来; 韩敬全; 杨进
Original assignee: Jiangsu Ruitian Medical Technology Co ltd
Current assignee: Jiangsu Ruitian Medical Technology Co ltd
Priority date: 2019-09-16
Filing date: 2019-09-16
Publication date: 2020-07-28
Anticipated expiration: 2029-09-16

Abstract

The utility model discloses a novel heat biopsy forceps for endoscope, including last binding clip, lower binding clip, cutter, ring, pull ring, steel wire, outer tube and second slider the right side terminal surface intercommunication of outer tube has the holding tube, the inside slip of holding tube has the first slider that is side T type structure. The utility model discloses in, at first, rotate the swivel nut through rotating and drive the stopper and move at the uniform velocity to the right side, the atress is more evenly stable when driving the cutter cutting of binding clip and lower binding clip, carry on spacingly by rotating the swivel nut to the stopper during the cutting simultaneously, when taking out human inside with hot biopsy forceps, need not medical personnel and pull the pull ring limit and take out hot biopsy forceps, the convenience that hot biopsy forceps used has been improved, secondly, when cutting off the polyp through the cutter, inside the draw-in groove is gone into to the fixture block card, the rubber sleeve that sets up through the fixture block surface seals polyp and bloody water etc. after last binding clip and the inside cutting of lower binding clip, prevent bloody water and spill, the leakproofness of binding clip has been increased.

Description

Novel thermal biopsy forceps for endoscope

Technical Field

The utility model relates to a thermal biopsy forceps technical field especially relates to a novel thermal biopsy forceps for endoscope.

Background

The hot biopsy forceps are common instruments for hemostasis under a direct view mirror, and can clamp a culprit blood vessel or a disease focus under the direct view of an endoscope, and then an electric coagulation current is used for achieving the purpose of exact and effective hemostasis. The hot biopsy forceps have strong practical value in endoscopic mucosal resection and endoscopic submucosal dissection, and are also necessary instruments for endoscopic mucosal resection.

However, the existing thermal biopsy forceps still have the defects that: at first, current hot biopsy forceps need stimulate the pull ring always after excising the polyp for the binding clip is in the closure state, takes out the polyp after the excision, and the convenience is poor during the use, and secondly, the most leakproofness of current hot biopsy forceps binding clip closure department is relatively poor, and the dirty bloody water that the branch polyp that the hemostasis by electric coagulation rear portion produced after scorching can follow the closed department of binding clip and flow, and the binding clip leakproofness is poor.

Disclosure of Invention

The utility model aims to provide a: the novel heat biopsy forceps for the endoscope are provided for solving the problems of poor use convenience and poor sealing performance of a forceps head.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a novel endoscope is with heat biopsy forceps, includes binding clip, lower binding clip, cutter, ring, pull ring, steel wire, outer tube and second slider the right side terminal surface intercommunication of outer tube has the holding tube, the inside slip of holding tube has inlayed the first slider that is side T type structure, the equal fixedly connected with telescopic link in horizontal end top and the bottom of first slider, the free end fixedly connected with of telescopic link runs through the stopper of holding tube, the outer terminal surface of telescopic link is located the cover before first slider and the stopper and is equipped with the extrusion spring, the spout has been seted up to one side that the holding tube is close to the stopper, the right side terminal surface fixedly connected with of first slider runs through the steel wire of holding tube, and the free end fixedly connected with pull ring of steel wire.

As a further description of the above technical solution:

the outer end face of the holding tube is positioned on the right side of the sliding groove and is provided with threads, and the outer end face of the holding tube is connected with a rotary threaded sleeve in a screwing mode through the threads.

As a further description of the above technical solution:

the left side terminal surface slip of outer tube has the second slider, the right side terminal surface fixedly connected with steel wire of second slider, and the left side terminal surface fixed connection of the free end of steel wire and first slider.

As a further description of the above technical solution:

the left side terminal surface top of second slider rotates through the pivot to be connected with the binding clip, the left side terminal surface bottom of second slider rotates through the pivot to be connected with down the binding clip, and installs reset spring between last binding clip and lower binding clip.

As a further description of the above technical solution:

the bottom of the upper binding clip and the bottom of the lower binding clip are fixedly connected with cutters, the bottom of the upper binding clip is located on the inner side of the cutters and fixedly connected with a clamping block, a rubber sleeve is arranged on the outer end face of the clamping block, and a clamping groove matched with the clamping block for use is formed in the lower binding clip.

As a further description of the above technical solution:

the outer end face of the holding tube is fixedly connected with a ring.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. in the utility model, the outer tube is stretched into the pulling pull ring, the first slide block and the second slide block are driven by the steel wire to slide towards the right side, the upper binding clip and the lower binding clip are driven to be closed, the polyp is cut by the cutter, meanwhile, the limiting block moves towards the right side, when the upper binding clip and the lower binding clip are closed quickly, the first sliding block drives the limiting block to slide to the position of the sliding chute, under the action of the extrusion spring, the limiting block is ejected out, at the moment, the rotating screw sleeve is rotated to drive the limiting block to move towards the right side at a constant speed, namely, the first slide block is driven to pull the steel wire to move towards the right side, so that the stress is more uniform and stable when the cutters of the upper binding clip and the lower binding clip cut, the cutting effect is better, meanwhile, when cutting, the limit block is limited by the rotary screw sleeve, when the thermal biopsy forceps are taken out of the human body, need not medical personnel and pull the pull ring limit and take out hot biopsy forceps, improved the convenience that hot biopsy forceps used.

2. The utility model discloses in, when will breathing out the meat through the cutter and cut off, inside the draw-in groove was gone into to the fixture block card, the rubber sleeve that sets up through the fixture block surface sealed polyp and bloody water etc. after last binding clip and the inside cutting of lower binding clip, locked last binding clip and lower binding clip through rotating the swivel nut simultaneously, prevented that bloody water and polyp from spilling, increased the leakproofness of binding clip.

Drawings

FIG. 1 is a schematic view of a thermal biopsy forceps for an endoscope according to an embodiment of the present invention;

FIG. 2 is a schematic view of an internal structure of a grip tube according to an embodiment of the present invention;

fig. 3 shows a schematic diagram of a partial enlarged view at a provided according to an embodiment of the present invention;

fig. 4 is a schematic view illustrating connection between the upper and lower binding clip and the second slider according to an embodiment of the present invention;

fig. 5 shows a schematic diagram of a partial enlarged view at B provided according to an embodiment of the present invention;

fig. 6 shows a schematic diagram of a partial enlarged view at C provided according to an embodiment of the present invention.

Illustration of the drawings:

1. a holding tube; 2. an outer tube; 3. a ring; 4. a thread; 5. rotating the threaded sleeve; 6. a limiting block; 7. a steel wire; 8. a pull ring; 9. a first slider; 10. a telescopic rod; 11. a compression spring; 12. an upper binding clip; 13. a lower binding clip; 14. a clamping block; 15. a return spring; 16. a second slider; 17. a card slot; 18. a cutter; 19. a chute; 20. a rubber sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a novel heat biopsy forceps for an endoscope comprises an upper forceps head 12, a lower forceps head 13, a cutter 18, a ring 3, a pull ring 8, a steel wire 7, an outer tube 2 and a second slider 16, wherein the right end face of the outer tube 2 is communicated with a holding tube 1, the inside of the holding tube 1 is slidably embedded with a first slider 9 in a side T-shaped structure, the top and the bottom of the horizontal end of the first slider 9 are fixedly connected with a telescopic rod 10, the free end of the telescopic rod 10 is fixedly connected with a limiting block 6 penetrating through the holding tube 1, an extrusion spring 11 is sleeved in front of the first slider 9 and the limiting block 6 on the outer end face of the telescopic rod 10, a chute 19 is formed in one side, close to the limiting block 6, of the holding tube 1, the steel wire 7 penetrating through the holding tube 1 is fixedly connected with the right end face of the first slider 9, the free end of the steel wire 7 is fixedly connected with the pull ring 8, the extrusion spring 11 is fixed through the arrangement, through the setting of spout 19, the stopper 6 of being convenient for slides to the right side, through 8 pulling steel wires 7 of pull ring, drives first slider 9 and slides to the right side.

Specifically, as shown in fig. 1 and fig. 2, the outer end surface of the grip tube 1 is provided with a thread 4 on the right side of the sliding groove 19, the outer end surface of the grip tube 1 is connected with a rotating threaded sleeve 5 in a screwing manner through the thread 4, and the rotating threaded sleeve 5 moves to the right side along the thread 4 by rotating the threaded sleeve 5, so that the limiting block 6 is pushed to the right side.

Specifically, as shown in fig. 3-6, a second slider 16 is slidably inserted into a left end face of the outer tube 2, a steel wire 7 is fixedly connected to a right end face of the second slider 16, a free end of the steel wire 7 is fixedly connected to a left end face of the first slider 9, a top of a left end face of the second slider 16 is rotatably connected to an upper binding clip 12 through a rotating shaft, a bottom of a left end face of the second slider 16 is rotatably connected to a lower binding clip 13 through a rotating shaft, a return spring 15 is installed between the upper binding clip 12 and the lower binding clip 13, a cutter 18 is fixedly connected to a bottom of the upper binding clip 12 and a bottom of the lower binding clip 13, a clamping block 14 is fixedly connected to an inner side of the cutter 18 at a bottom of the upper binding clip 12, a rubber sleeve 20 is disposed on an outer end face of the clamping block 14, a clamping groove 17 matched with the clamping block 14 is disposed inside the lower binding clip 13, the second slider 16 is pulled to move to a, cut polyp through cutter 18, simultaneously, go up binding clip 12 and lower binding clip 13 through rubber sleeve 20 and seal in draw-in groove 17 is gone into to the card block 14 card, prevent that bloody water or polyp from flowing the department for last binding clip 12 is the state of strutting with lower binding clip 13 before the use through the setting of reset spring 15.

Specifically, as shown in fig. 1, a finger ring 3 is fixedly connected to an outer end face of the grip tube 1, and the grip tube 1 can be held conveniently by the finger ring 3.

The working principle is as follows: when the device is used, the outer tube 2 is inserted into a part to be treated, the pull ring 8 is pulled to pull the steel wire 7 to the right side, the first slider 9 and the second slider 16 are driven to slide to the right side, the upper binding clip 12 and the lower binding clip 13 are driven to be closed, a polypus part is clamped, the limiting block 6 is extruded out of the sliding groove 19 under the action of the extrusion spring 11, the rotary screw sleeve 5 is rotated at the moment, the rotary screw sleeve 5 is driven to move rightwards along the thread 4, the limiting block 6 is driven to uniformly move rightwards by rotating the screw sleeve 5, the first slider 9 is driven to slide rightwards, the steel wire 7 and the second slider 16 are driven to slide rightwards, the upper binding clip 12 and the lower binding clip 13 drive the cutter 18 to be closed, the polypus is cut off, the clamping block 14 is clamped into the clamping groove 17 at the moment, the upper binding clip 12 and the lower binding clip 13 are sealed by the rubber sleeve 20, the internal polypus bloody water is prevented from flowing out, namely, the upper tong head 12 and the lower tong head 13 are locked, so that the outer tube 2 is convenient to take out.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A novel heat biopsy forceps for endoscopes comprises an upper forceps head (12), a lower forceps head (13), a cutter (18), a ring (3), a pull ring (8), a steel wire (7), an outer tube (2) and a second slider (16), and is characterized in that the right end face of the outer tube (2) is communicated with a holding tube (1), a first slider (9) in a side T-shaped structure is embedded in the holding tube (1) in a sliding manner, the top and the bottom of the horizontal end of the first slider (9) are fixedly connected with a telescopic rod (10), a limiting block (6) penetrating through the holding tube (1) is fixedly connected with the free end of the telescopic rod (10), an extrusion spring (11) is sleeved in front of the outer end face of the telescopic rod (10) and the first slider (9) and the limiting block (6), a sliding groove (19) is formed in one side, close to the limiting block (6), of the right end face of the first slider (9), and the steel wire (7) penetrating through the holding tube (1) are fixedly connected with the right end, and the free end of the steel wire (7) is fixedly connected with a pull ring (8).

2. The novel thermal biopsy forceps for endoscopes according to claim 1, wherein the outer end surface of the holding tube (1) is provided with a thread (4) at the right side of the sliding groove (19), and the outer end surface of the holding tube (1) is rotatably connected with a rotary screw sleeve (5) through the thread (4).

3. A novel thermal biopsy forceps for endoscopes according to claim 1, characterized in that the second slider (16) is slidably inserted into the left end surface of the outer tube (2), the steel wire (7) is fixedly connected to the right end surface of the second slider (16), and the free end of the steel wire (7) is fixedly connected to the left end surface of the first slider (9).

4. The thermal biopsy forceps for endoscopes according to claim 3, wherein the top of the left end surface of the second slide block (16) is rotatably connected to an upper forceps head (12) via a rotating shaft, the bottom of the left end surface of the second slide block (16) is rotatably connected to a lower forceps head (13) via a rotating shaft, and a return spring (15) is installed between the upper forceps head (12) and the lower forceps head (13).

5. The novel thermal biopsy forceps for endoscopes according to claim 4, wherein a cutting knife (18) is fixedly connected to the bottom of the upper forceps head (12) and the bottom of the lower forceps head (13), a clamping block (14) is fixedly connected to the bottom of the upper forceps head (12) and located on the inner side of the cutting knife (18), a rubber sleeve (20) is arranged on the outer end face of the clamping block (14), and a clamping groove (17) matched with the clamping block (14) is formed in the lower forceps head (13).

6. A novel thermal biopsy forceps for endoscopes according to claim 1, characterized in that the outer end surface of the grip tube (1) is fixedly connected with a finger ring (3).