CN219147778U

CN219147778U - Multi-angle grasping forceps

Info

Publication number: CN219147778U
Application number: CN202223584047.6U
Authority: CN
Inventors: 李冰
Original assignee: 6th Medical Center of PLA General Hospital
Current assignee: 6th Medical Center of PLA General Hospital
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-09
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a multi-angle grasping forceps, and relates to the technical field of medical appliances. The utility model comprises a fixed handle and a water storage cylinder, wherein a carrier block is fixed on the inner wall of the fixed handle, the lower surface of the carrier block is rotationally connected with a threaded screw rod through a bearing, the bottom end of the threaded screw rod is fixedly provided with a first knob, the threaded screw rod is in threaded connection with a sliding plate, the sliding plate is in sliding fit with the inner wall of the fixed handle, a through hole is formed in the sliding plate, and a supporting rod is fixed on the upper surface of the sliding plate. According to the utility model, the first knob is screwed to drive the threaded screw rod to rotate, so that the threaded screw rod adjusts the position of the sliding plate in the fixed handle in a screw rod transmission mode, the rack is pushed to move, the rack drives the third gear to rotate by virtue of the first gear and the second gear, and the third gear drives the rotating rod to rotate, so that the angle of the movable cylinder is adjusted, and because the first knob is arranged in the fixed handle, the first knob can be effectively prevented from being touched by mistake, and the angle stability after the movable cylinder is adjusted is ensured.

Description

Multi-angle grasping forceps

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a multi-angle grasping forceps.

Background

In the digestive endoscopy operation process, a nylon ring can be fixed at the periphery of a perforation by adopting a clip, and then the nylon ring is tightened to suture wounds or connecting tissues, however, for larger digestive tract perforation such as gastric perforation, the jaw of a common grasping forceps is smaller, the periphery of a perforation wound surface is difficult to grasp completely so as to gather together, a plurality of clips are difficult to operate, the clips are easy to fall off, the success rate is low, the digestive tract perforation is a clinically common surgical emergency, the emergency treatment is required, the condition change is rapid, the emergency treatment is generally carried out, the emergency surgery is generally carried out, however, with the rapid development of the digestive endoscope technology, the current gastrointestinal perforation can be directly closed under the endoscope so as to avoid the serious operation wounds of patients, and the current gastrointestinal tract large perforation is difficult to clamp and close by using two ends of the existing clip perforation part.

The utility model patent with the publication number of CN217960235U discloses a multi-angle grasping forceps for a clinical digestive endoscope. When the multi-angle grasping forceps are used, the joint of the rack rod and the limiting rod is exposed outside the fixed handle, so that misoperation is easily caused at the joint of the rack rod and the limiting rod when the fixed handle is held by medical staff, and the angle of the movable rod is changed, so that the safety of the medical staff is influenced.

Disclosure of Invention

The utility model aims at: the utility model provides a multi-angle grasping forceps, which aims to solve the problems that when the conventional multi-angle grasping forceps are used, the joint of a rack rod and a limiting rod is exposed outside a fixed handle, and when the fixed handle is held by medical staff, misoperation is easily caused on the joint of the rack rod and the limiting rod, so that the angle of a movable rod is changed, and the safety use of the medical staff is affected.

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides a multi-angle tongs, includes fixed handle and water storage section of thick bamboo, the inner wall of fixed handle is fixed with the carrier block, the lower surface of carrier block is connected with the screw thread lead screw through the bearing rotation, the bottom mounting of screw thread lead screw has first knob, threaded connection has the slide on the screw thread lead screw, the inner wall sliding fit of slide and fixed handle, the through-hole has been seted up on the slide, the upper surface fixing of slide has branch, the top of branch is fixed with the rack, be connected with first gear, second gear and bull stick through the bearing rotation between the relative inner wall of fixed handle, rack and first gear intermesh, first gear and second gear intermesh, the outside fixed sleeve of bull stick has third gear and two layer boards, second gear and third gear intermesh, two be fixed with movable section of thick bamboo on the layer board, and two layer boards are the symmetry setting about the third gear.

Further, one side of the water storage cylinder is fixedly penetrated with a water pipe, and the other end of the water pipe penetrates through the through hole and then extends into the movable cylinder.

Further, a spring is arranged in the movable cylinder, a first piston is fixed at the other end of the spring, and the first piston is in sliding fit with the inner wall of the movable cylinder.

Further, a pushing block is fixed on the other side of the first piston, a reserved groove is formed in the other side of the pushing block, and sliding grooves are formed in the inner walls of the reserved groove.

Further, two sliding rods are arranged in the sliding groove in a sliding mode, grabbing pliers are fixedly sleeved on the outer portions of the sliding rods, the two grabbing pliers are arranged in a crossed mode, a pin shaft is arranged at the crossed position, and a protective sleeve is fixed at the outer end of each grabbing pliers.

Further, the open side of the water storage cylinder is fixed with a cover plate, a stud is connected to the cover plate through threads, one end of the stud is fixed with a second piston, the second piston is in sliding fit with the inner wall of the water storage cylinder, the other end of the stud is fixed with a second knob, a water supplementing pipe penetrates through and is fixed on the water storage cylinder, and a valve is arranged on the water supplementing pipe.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the first knob is screwed to drive the threaded screw rod to rotate, so that the threaded screw rod adjusts the position of the sliding plate in the fixed handle in a screw rod transmission mode, the rack is pushed to move, the rack drives the third gear to rotate by virtue of the first gear and the second gear, and the third gear drives the rotating rod to rotate, so that the angle of the movable cylinder is adjusted, and because the first knob is arranged in the fixed handle, the first knob can be effectively prevented from being touched by mistake, and the angle stability after the movable cylinder is adjusted is ensured.

2. According to the utility model, the second knob is screwed to drive the stud to rotate, so that the stud pushes the second piston to squeeze water in the water storage cylinder into the movable cylinder, thereby pushing the first piston to adjust the included angle of the two grasping forceps, and the two grasping forceps can meet medical requirements; by means of the spring arranged in the movable cylinder, stability of the first piston in the moving process can be enhanced, and the first piston is better in angle adjusting effect on the two grippers.

Drawings

FIG. 1 is a schematic perspective view of a multi-angle grasper of the present utility model;

FIG. 2 is a schematic view of the internal structure of the fixing handle in the present utility model;

FIG. 3 is a schematic view of the internal structure of the movable cartridge and the water storage cartridge of the present utility model;

FIG. 4 is a schematic diagram of the structure of the push block, the reserved groove and the chute in the present utility model;

FIG. 5 is a schematic view of the structure of the slide bar, grasper, pin and protective sleeve of the present utility model;

reference numerals: 1. a fixed handle; 2. a carrier block; 3. a threaded screw rod; 4. a first knob; 5. a slide plate; 6. a through hole; 7. a support rod; 8. a rack; 9. a first gear; 10. a second gear; 11. a rotating rod; 12. a third gear; 13. a movable cylinder; 14. a water storage cylinder; 15. a supporting plate; 16. a water pipe; 17. a spring; 18. a first piston; 19. a pushing block; 20. a reserved groove; 21. a chute; 22. a slide bar; 23. gripping tongs; 24. a pin shaft; 25. a protective sleeve; 26. a cover plate; 27. a stud; 28. a second piston; 29. a second knob; 30. and a water supplementing pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Examples: referring to a multi-angle grasping forceps shown in fig. 1-5, the multi-angle grasping forceps comprises a fixed handle 1 and a water storage cylinder 14, wherein a carrying block 2 is fixed on the inner wall of the fixed handle 1, a threaded screw rod 3 is rotatably connected to the lower surface of the carrying block 2 through a bearing, a first knob 4 is fixed at the bottom end of the threaded screw rod 3, a sliding plate 5 is connected to the threaded screw rod 3 in a threaded manner, the sliding plate 5 is slidably matched with the inner wall of the fixed handle 1, a through hole 6 is formed in the sliding plate 5, a supporting rod 7 is fixed on the upper surface of the sliding plate 5, a rack 8 is fixed at the top end of the supporting rod 7, a first gear 9, a second gear 10 and a rotating rod 11 are rotatably connected between the opposite inner walls of the fixed handle 1 through the bearing, the rack 8 is meshed with the first gear 9 and the second gear 10, a third gear 12 and two supporting plates 15 are fixedly sleeved on the outer portion of the rotating rod 11, the second gear 10 is meshed with the third gear 12, a movable cylinder 13 is fixed on the two supporting plates 15, and the two supporting plates 15 are symmetrically arranged about the third gear 12.

Screwing the first knob 4 drives the threaded screw rod 3 to rotate, so that the threaded screw rod 3 adjusts the position of the sliding plate 5 in the fixed handle 1 in a screw transmission mode, the rack 8 is pushed to move, the rack 8 drives the third gear 12 to rotate by means of the first gear 9 and the second gear 10, the third gear 12 drives the rotating rod 11 to rotate, and therefore the adjustment of the angle of the movable barrel 13 is completed, and because the first knob 4 is arranged in the fixed handle 1, the first knob 4 can be effectively prevented from being touched by mistake, and the stability of the angle after the movable barrel 13 is adjusted is ensured.

One side of the water storage cylinder 14 is fixedly penetrated with a water pipe 16, the other end of the water pipe 16 penetrates through the through hole 6 and then extends to the inside of the movable cylinder 13, a spring 17 is installed in the movable cylinder 13, a first piston 18 is fixed to the other end of the spring 17, the first piston 18 is in sliding fit with the inner wall of the movable cylinder 13, a push block 19 is fixed to the other side of the first piston 18, a reserved groove 20 is formed in the other side of the push block 19, sliding grooves 21 are formed in the opposite inner walls of the reserved groove 20, two sliding rods 22 are slidably arranged in the sliding grooves 21, gripping tongs 23 are fixedly sleeved outside the sliding rods 22, the two gripping tongs 23 are arranged in a crossing mode, a pin shaft 24 is arranged at the crossing part, and a protective sleeve 25 is fixed to the outer end of the gripping tongs 23.

By means of the spring 17 arranged inside the movable cylinder 13, stability in the moving process of the first piston 18 can be enhanced, and the first piston 18 has a better effect of adjusting the angles of the two grippers 23.

Wherein, the open side of water storage section of thick bamboo 14 is fixed with apron 26, and the last threaded connection of apron 26 has double-screw bolt 27, and the one end of double-screw bolt 27 is fixed with second piston 28, and second piston 28 and the inner wall sliding fit of water storage section of thick bamboo 14, and the other end of double-screw bolt 27 is fixed with second knob 29, runs through on the water storage section of thick bamboo 14 and is fixed with moisturizing pipe 30, is provided with the valve on the moisturizing pipe 30.

The second knob 29 is screwed to drive the stud 27 to rotate, so that the stud 27 pushes the second piston 28 to squeeze water in the water storage cylinder 14 into the movable cylinder 13, thereby pushing the first piston 18 to adjust the included angle of the two grippers 23, and the two grippers 23 can meet medical requirements.

The working principle of the utility model is as follows: the medical staff stretches fingers into the fixed handle 1, the first knob 4 is screwed to drive the threaded screw rod 3 to rotate, so that the threaded screw rod 3 adjusts the position of the sliding plate 5 in the fixed handle 1 in a screw transmission mode, thereby pushing the rack 8 to move, the rack 8 drives the third gear 12 to rotate by means of the first gear 9 and the second gear 10, and the third gear 12 drives the rotating rod 11 to rotate, so that the angle adjustment of the movable cylinder 13 is completed;

the second knob 29 is screwed to drive the stud 27 to rotate, so that the stud 27 pushes the second piston 28 to squeeze water inside the water storage cylinder 14 into the movable cylinder 13, the first piston 18 slides along the inner wall of the movable cylinder 13 under the action of water pressure, the included angle of the two grippers 23 is adjusted, the two grippers 23 can meet medical requirements, the second knob 29 is reversely screwed to drive the second piston 28 to pump out water inside the movable cylinder 13, and the spring 17 arranged inside the movable cylinder 13 can assist the water in the movable cylinder 13 to be discharged better, so that the angle of the first piston 18 can be adjusted more stably for the two grippers 23.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a multi-angle nipper, includes fixed handle (1) and water storage section of thick bamboo (14), a serial communication port, the inner wall of fixed handle (1) is fixed with carrier block (2), the lower surface of carrier block (2) is connected with screw thread lead screw (3) through the bearing rotation, the bottom mounting of screw thread lead screw (3) has first knob (4), threaded connection has slide (5) on screw thread lead screw (3), slide (5) and the inner wall sliding fit of fixed handle (1), through-hole (6) have been seted up on slide (5), the upper surface of slide (5) is fixed with branch (7), the top of branch (7) is fixed with rack (8), be connected with first gear (9), second gear (10) and bull stick (11) through the bearing rotation between the relative inner wall of fixed handle (1), rack (8) and first gear (9) intermesh, first gear (9) and second gear (10) intermesh, the outside of bull stick (11) is fixed with third gear (12) and third gear (15) and two flexible pallet (13) are fixed mutually, and the two supporting plates (15) are symmetrically arranged relative to the third gear (12).

2. The multi-angle grasping forceps according to claim 1, wherein one side of the water storage cylinder (14) is fixedly penetrated with a water delivery pipe (16), and the other end of the water delivery pipe (16) penetrates through the through hole (6) and then extends into the movable cylinder (13).

3. The multi-angle grasping forceps according to claim 1, wherein a spring (17) is installed inside the movable barrel (13), a first piston (18) is fixed to the other end of the spring (17), and the first piston (18) is in sliding fit with the inner wall of the movable barrel (13).

4. A multi-angle grasping forceps according to claim 3, wherein a pushing block (19) is fixed on the other side of the first piston (18), a reserved groove (20) is formed on the other side of the pushing block (19), and sliding grooves (21) are formed on opposite inner walls of the reserved groove (20).

5. The multi-angle grasping forceps according to claim 4, wherein two sliding rods (22) are slidably arranged in the sliding groove (21), grasping forceps (23) are fixedly sleeved outside the sliding rods (22), the two grasping forceps (23) are arranged in a crossing mode, a pin shaft (24) is arranged at the crossing position, and a protective sleeve (25) is fixedly arranged at the outer end of the grasping forceps (23).

6. The multi-angle grasping forceps according to claim 1, wherein a cover plate (26) is fixed on the open side of the water storage barrel (14), a stud (27) is connected to the cover plate (26) in a threaded manner, a second piston (28) is fixed at one end of the stud (27), the second piston (28) is in sliding fit with the inner wall of the water storage barrel (14), a second knob (29) is fixed at the other end of the stud (27), a water supplementing pipe (30) is fixedly penetrated through the water storage barrel (14), and a valve is arranged on the water supplementing pipe (30).