CN220404075U - Rotatable snare - Google Patents

Abstract

The utility model discloses a rotatable snare, and relates to the technical field of medical appliances. Including the body, the inside of body is close to left side position sliding connection has the connecting block, the right side of body rotates and is connected with the go-between, the outside of go-between rotates and is connected with the swivel ring, the right side fixedly connected with grab handle of go-between, the left end fixedly connected with of connecting block extends to the outside left ring of connecting block and overlaps. According to the utility model, the connecting ring can be driven to rotate by holding the grab handle in a homeotropic manner, so that the sleeve frame can be rotated and adjusted, the threaded rod can be driven to slide in a threaded manner, the connecting block can be moved to drive the snare head to be drawn through the adjusting ring, the use size can be conveniently adjusted according to the needs, the telescopic rod can be driven to move by rotating the rotating ring, the connecting block can be rotated, the angle of the snare head can be driven to be adjusted, and the use efficiency of the snare is improved.

Description

Rotatable snare

Technical Field

The utility model relates to the technical field of medical appliances, in particular to a rotatable snare.

Background

The snare is widely applied to cutting, grabbing and recovering polyp specimens and foreign matters, the product can be used in laparoscopic examination of human or animals, the common digestive tract polyp can be resected by only a small opening, namely, the polyp is firstly sleeved by the snare through an endoscope forceps channel and is tightened, then the polyp is resected, high-frequency electricity is generally adopted during cutting, the polyp tissue is stripped out, the resected polyp tissue is recovered by the net bag, and the polyp can be directly sleeved outside the body along with the endoscope by using the snare.

In the prior art, when the snare needs to be taken out of target polyp tissues, the snare needs to be close to the polyp, then the snare is sleeved on the polyp to wrap the polyp, and the polyp is pulled out and then taken down, but the rotation of the snare cannot be achieved when the snare is used, so that the polyp is difficult to take down, and the polyp excision efficiency is affected.

Disclosure of Invention

Based on this, it is an object of the present utility model to provide a rotatable snare to solve the technical problems set forth in the background above.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a rotatable snare, includes the body, the inside of body is close to left side position sliding connection has the connecting block, the right side of body rotates and is connected with the go-between, the outside of go-between rotates and is connected with the swivel ring, the right side fixedly connected with grab handle of go-between, the left end fixedly connected with of connecting block extends to the outside left snare head of connecting block, the right side fixedly connected with of connecting block runs through the body and extends to the inside telescopic link of go-between.

Preferably, the other end of the telescopic rod penetrates through the connecting ring to be fixedly connected with the left side of the rotating ring, a rotating block is fixed on the inner side of the connecting ring, which is close to the left side surface of the rotating ring, a rotating groove is formed in the left side surface of the rotating ring, and the rotating block extends to the inside of the rotating ring to be rotationally connected with the rotating groove.

Preferably, the left side surface of the pipe body is fixed with an adjusting ring, the snare head penetrates through the adjusting ring and extends to the outside, limiting blocks are fixed on two sides of the connecting block, and a loop-shaped travel groove is formed in the inner wall of the pipe body.

Preferably, the right side of connecting block is connected with the threaded rod through the bearing, the outer wall screw thread of threaded rod is connected with the cover frame fixed with go-between left side surface.

Preferably, a rotary block extending into the pipe body is fixed on the left side of the connecting ring, and a rotary groove matched with the rotary block in size is formed in the right side surface of the pipe body.

Preferably, a hand-held ring is fixed on the outer side surface of the grab handle.

In summary, the utility model has the following advantages:

according to the utility model, the connecting ring can be driven to rotate by holding the grab handle in a homeotropic manner, so that the sleeve frame can be rotated and adjusted, the threaded rod can be driven to slide in a threaded manner, the connecting block can be moved to drive the snare head to be drawn through the adjusting ring, the use size can be conveniently adjusted according to the needs, the telescopic rod can be driven to move by rotating the rotating ring, the connecting block can be rotated, the angle of the snare head can be driven to be adjusted, and the use efficiency of the snare is improved.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic view of a front cross-sectional structure of the present utility model;

fig. 3 is an enlarged schematic view of the portion a in fig. 2 according to the present utility model.

In the figure: 100. a tube body; 101. an adjusting ring; 110. a connecting block; 120. a loop head; 130. a threaded rod; 131. a sleeve frame; 140. a connecting ring; 141. a rotating block; 142. a rotary groove; 150. a rotating ring; 160. a grab handle; 161. a hand-held ring; 170. a telescopic rod; 171. a rotating block; 172. the groove is rotated.

Detailed Description

The technical solutions in 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. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

1-3, including body 100, the inside of body 100 is close to left side position sliding connection has connecting block 110, and the right side of body 100 rotates to be connected with go-between 140, and the outside of go-between 140 rotates to be connected with rotatory ring 150, and the right side fixedly connected with grab handle 160 of go-between 140, and the left end fixedly connected with of connecting block 110 extends to the outside left snare head 120 of connecting block 110, and the right side fixedly connected with of connecting block 110 runs through body 100 and extends to the inside telescopic link 170 of go-between 140.

The other end of the telescopic rod 170 penetrates through the connecting ring 140 to be fixedly connected with the left side of the rotating ring 150, a rotating block 171 is fixed on the inner side of the connecting ring 140 close to the left side surface of the rotating ring 150, a rotating groove 172 is formed in the left side surface of the rotating ring 150, and the rotating block 171 extends to the inside of the rotating ring 150 to be rotationally connected with the rotating groove 172.

The left side surface of the pipe body 100 is fixed with an adjusting ring 101, the snare head 120 penetrates through the adjusting ring 101 to extend to the outside, two sides of the connecting block 110 are fixed with limiting blocks, and the inner wall of the pipe body 100 is provided with a ring-shaped travel groove.

Referring to fig. 1, fig. 2 and fig. 3, when in use, the rotating ring 150 can be rotated to drive the telescopic rod 170 to rotate when the snare head 120 is required to be adjusted in angle, the connecting block 110 can be driven to rotate when the telescopic rod 170 rotates, and the snare head 120 can be driven to rotate relative to the adjusting ring 101 by rotating the connecting block 110, so that the angle of the snare head 120 can be adjusted as required, and the extraction efficiency of polyps can be further adjusted.

Please refer to fig. 1, fig. 2, fig. 3 with the handle 160, the connecting ring 140 can be driven to rotate by rotating the handle portion thereof, the sleeve frame 131 can rotate along with the connecting ring 140 when rotating, at this time, the threaded rod 130 can slide along the inner wall of the sleeve frame 131 in a threaded manner, at this time, the connecting block 110 can be driven to move, the limiting block fixed at the outer side of the connecting block 110 can move along the travel slot, and meanwhile, the snare head 120 can be pulled to adjust inside the adjusting ring 101, so as to adjust the usage size of the snare head 120.

When the multifunctional ring sleeve head is used, a user holds the handle 160 by hand, fingers can hold the tube body 100 through the hand ring 161, the handle 160 can penetrate into the body and is close to a polyp, at the moment, the handle 160 can be directly rotated to enable the rotating block 141 to rotate in the rotating groove 142, the sleeve frame 131 can be enabled to rotate, the threaded rod 130 can be driven to rotate through the bearing when the sleeve frame 131 rotates, the threaded rod 130 can be enabled to slide in the sleeve frame 131 in a threaded manner, the connecting block 110 can be driven to move, the snare head 120 can be pulled to move at the same time, the using size of the snare head 120 is adjusted through the adjusting ring 101, the using effect of the snare head 120 is further improved, the using angle of the snare head 120 can be adjusted according to needs, the rotating block 171 can be enabled to rotate in the rotating ring 150 through the rotating ring 150, the telescopic rod 170 can be driven to rotate when the rotating ring 150, and the connecting block 110 can be driven to rotate to drive the snare head 120 to conduct angle adjustment.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims (6)

1. A rotatable snare comprising a tube (100), characterized by: the inside of body (100) is close to left side position sliding connection has connecting block (110), the right side of body (100) rotates and is connected with go-between (140), the outside of go-between (140) is rotated and is connected with swivel ring (150), the right side fixedly connected with grab handle (160) of go-between (140), the left end fixedly connected with of connecting block (110) extends to outside left snare head (120) of connecting block (110), the right side fixedly connected with of connecting block (110) runs through body (100) and extends to inside telescopic link (170) of go-between (140).

2. A rotatable snare according to claim 1, wherein: the other end of telescopic link (170) runs through go-between (140) and the left side fixed connection of rotatory ring (150), be close to rotatory ring (150) left side surface go-between (140) inboard is fixed with rotating block (171), rotatory groove (172) have been seted up on rotatory ring (150) left side surface, rotating block (171) extend to rotatory ring (150) inside and rotate between groove (172) and rotate and be connected.

3. A rotatable snare according to claim 1, wherein: the left side surface of body (100) is fixed with adjusting ring (101), snare head (120) run through adjusting ring (101) and extend to outside, the both sides of connecting block (110) are fixed with the stopper, the inner wall of body (100) has seted up ring shape travel groove.

4. A rotatable snare according to claim 1, wherein: the right side of connecting block (110) is connected with threaded rod (130) through the bearing, the outer wall screw thread of threaded rod (130) is connected with cover frame (131) fixed with go-between (140) left side surface.

5. A rotatable snare according to claim 4, wherein: the left side of the connecting ring (140) is fixedly provided with a rotating block (141) extending into the pipe body (100), and the right side surface of the pipe body (100) is provided with a rotating groove (142) which is matched with the rotating block (141) in size.

6. A rotatable snare according to claim 1, wherein: a hand-held ring (161) is fixed on the outer side surface of the grab handle (160).