CN217696741U

CN217696741U - Polyp storage device under scope and application structure thereof

Info

Publication number: CN217696741U
Application number: CN202122944117.3U
Authority: CN
Inventors: 周平红; 李全林; 诸炎; 付佩尧; 丁文斌; 陈龙; 耿子寒; 袁靖国; 徐轶杰
Original assignee: Zhongshan Hospital Fudan University
Current assignee: Zhongshan Hospital Fudan University
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-11-01
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a polyp storage device under scope, which is characterized in that the polyp storage device comprises an outer tube, a connecting seat and an adjusting seat, wherein the front end of the connecting seat is fixedly connected with the rear end of the outer tube, an inner hole is arranged in the connecting seat and is communicated with the inner cavity of the outer tube, the rear section of the inner hole forms an inner threaded hole, the front end of the adjusting seat forms an outer threaded section, the outer threaded section of the adjusting seat is connected with the inner threaded hole of the connecting seat, a perforation is arranged in the adjusting seat and is communicated with the inner hole of the connecting seat; an elastic structure used for clamping or loosening the endoscope is arranged in the connecting seat. The utility model discloses a polyp storage device cup joints at the endoscope outside to can get into the human body along with the endoscope, the foreign matter pincers can drag into the outer tube front end cavity with the polyp tissue that receives pincers and get, then with the endoscope with polyp storage device together withdraw from the human body can.

Description

Polyp storage device under scope and application structure thereof

Technical Field

The utility model relates to a polyp storage device under scope and applied structure thereof belongs to medical machine technical field.

Background

Endoscopic Submucosal Dissection (ESD) is a new treatment means appearing in recent years, is a technology with good clinical application prospect, enables more early digestive tract cancers to be completely resected at one time under an endoscope, and avoids the pain of open surgery and the resection of organs. Compared with the endoscope treatment methods such as laparotomy and EMR, the ESD has the following characteristics: 1. the trauma is small, 2, a patient can receive multiple treatments at multiple parts, 3, a doctor obtains a complete tissue pathological sample for analysis, and 4, the resection rate of tumors with large area, irregular shapes or combined ulcer and scar is more than 96 percent, so as to reduce the recurrence probability.

For large flat polyps in ESD surgery: polyps of more than 2 cm, especially flat polyps, recommend ESD treatment, one complete resection of the lesion, and therefore a relevant kit is needed for this surgical situation.

At present, oversized mucosal tissues cannot be taken out through the throat along with an endoscope, a doctor can only cut off the mucosal tissues by a snare and then take out the mucosal tissues in several times, but the defects of tissue sample damage, low cutting efficiency and the like exist.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: how to allow the oversized mucosal tissue to be extracted through the larynx with the endoscope.

In order to solve the technical problem, the technical scheme of the utility model is to provide a polyp storage device under scope, which is characterized in that the polyp storage device comprises an outer tube, a connecting seat and an adjusting seat, wherein the front end of the connecting seat is fixedly connected with the rear end of the outer tube; an elastic structure used for clamping or loosening the endoscope is arranged in the connecting seat.

Preferably, the lumen of the outer tube is sized for the passage of an endoscope therethrough; the lumen at the front end of the outer tube is sized to receive the clamped polyp tissue.

Preferably, the elastic structure comprises a rubber ring which is deformed to clamp or loosen the endoscope, the rubber ring is arranged in the internal thread hole, an internal baffle ring is formed on the wall surface of the internal thread hole close to one end of the outer tube, and the rubber ring is arranged between the internal baffle ring and one end of the adjusting seat close to the outer tube; when the adjusting seat rotates, the adjusting seat forwards presses the rubber ring against the inner baffle ring, the rubber ring deforms, and therefore the inner side of the rubber ring presses against the endoscope tightly.

Preferably, the front end of the connecting seat forms a connecting pipe, and the rear end of the outer pipe is inserted into the connecting pipe; the elastic structure is arranged between the connecting pipe and the internal thread hole.

Preferably, the rear end of the adjusting seat forms a knob section.

Preferably, the outer wall of the connecting seat and the outer wall of the knob section of the adjusting seat are both provided with surface convex patterns.

An application structure of an endoscopic polyp storage device is characterized by comprising an endoscope, wherein a foreign body forceps is arranged at the end part of the endoscope, and the endoscope penetrates through the endoscopic polyp storage device; before the endoscope enters the inner wall of the esophagus of a human body, the elastic structure clamps the endoscope; after the polypus tissue is clamped by the foreign body forceps, the endoscope is loosened by the elastic structure, and the outer tube extends out of the endoscope until the polypus tissue and the foreign body forceps completely enter the inner cavity at the front end of the outer tube; when the foreign body forceps loosen the polyp tissue, the elastic structure clamps the endoscope.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a polyp storage device cup joints at the endoscope outside to can get into the human body along with the endoscope, the foreign matter pincers can drag into the outer tube front end cavity with the polyp tissue that receives pincers and get, then with the endoscope with polyp storage device together withdraw from the human body can.

Drawings

Fig. 1 is a schematic view of a polyp receiving device under an endoscope;

fig. 2 is a half-sectional view of a polyp receiving device under an endoscope;

FIG. 3 is a half sectional view of the connecting seat;

fig. 4 is a view of a polyp receiving device with an endoscope in cooperation with the endoscope;

FIG. 5 is a schematic view of the foreign body forceps, endoscope, and polyp receiving device entering the esophagus of a human;

FIG. 6 is a schematic view of a pair of forceps pulling the polyp tissue into the lumen at the forward end of the outer tube.

Detailed Description

In order to make the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.

The utility model provides a polyp storage device under endoscope, as shown in figures 1-3, comprising an outer tube 1, a connecting seat 2, a rubber ring 4 and an adjusting seat 3, wherein the inner cavity of the outer tube 1 is suitable for an endoscope 5 to pass through, and the front end cavity of the outer tube is suitable for storing the polyp tissue obtained by clamping; the front end of the connecting seat 2 is fixedly connected with the rear end of the outer tube 1, an inner hole is formed in the connecting seat 2 and is communicated with the inner cavity of the outer tube 1, an inner threaded hole 21 is formed at the rear section of the inner hole, and an inner retaining ring 22 is formed on the wall surface of the inner hole at the front end of the inner threaded hole 21; the rubber ring 4 is arranged in the internal thread hole 21 of the connecting seat 2; the front end of the adjusting seat 3 forms an external thread section, the rear end forms a knob section, the adjusting seat 3 is connected with an internal thread hole 21 of the connecting seat 2 through the external thread section, a through hole is arranged in the adjusting seat 3, and the through hole is communicated with an inner hole of the connecting seat 2; the utility model discloses a rotate and adjust seat 3, drive the external screw thread section and support tight rubber circle 4 forward and do the deformation to make rubber circle 4 support tightly to the endoscope 5 that passes.

As shown in fig. 2 and 3, in this embodiment, the connection structure between the connection seat 2 and the outer tube 1 is: the front end of the connecting seat 2 forms a connecting pipe 23, and the rear end of the outer pipe 1 is inserted into the connecting pipe 23.

As shown in fig. 1, the outer wall of the connecting seat 2 and the outer wall of the knob section of the adjusting seat 3 are provided with surface convex patterns.

The utility model discloses a polyp storage device is used for cooperating endoscope 5 and foreign matter pincers 6 to use together, and the use is as follows:

after the polyp receiving device of the present invention is assembled, it is fitted over the front end of the endoscope 5, as shown in fig. 4; after the position of the polyp storage device is adjusted, the rubber ring 4 is extruded by rotating the adjusting seat 3, so that the endoscope 5 and the polyp storage device are locked together to prevent relative movement.

The endoscope 5 enters the inner wall of a human esophagus 7, the foreign body forceps 6 penetrate through a forceps channel hole, the forceps head is slowly aligned to a mucosa, the forceps head is opened, as shown in fig. 5, the angle of the foreign body forceps 6 is adjusted (the handle can rotate for 360 degrees), large polyp tissues are taken by the forceps, then the adjusting seat 3 is rotated reversely, the rubber ring 4 is loosened, the polyp containing device is moved forwards, the outer tube 1 of the polyp containing device extends out of the endoscope 5 until the polyp tissues completely enter the front end inner cavity of the outer tube 1, as shown in fig. 6, then the forceps head is loosened, the connecting seat 2 is locked, the outer tube 1 is prevented from moving relative to the endoscope 5, and finally, the endoscope 5 and the mucosa containing device are slowly withdrawn.

Claims

1. The polyp storage device under the endoscope is characterized by comprising an outer tube (1), a connecting seat (2) and an adjusting seat (3), wherein the front end of the connecting seat (2) is fixedly connected with the rear end of the outer tube (1), an inner hole is formed in the connecting seat (2), the inner hole is communicated with an inner cavity of the outer tube (1), an inner threaded hole (21) is formed in the rear section of the inner hole, an outer threaded section is formed at the front end of the adjusting seat (3), the outer threaded section of the adjusting seat (3) is connected with the inner threaded hole (21) of the connecting seat (2), a through hole is formed in the adjusting seat (3), and the through hole is communicated with the inner hole of the connecting seat (2); an elastic structure used for clamping or loosening the endoscope (5) is arranged in the connecting seat (2).

2. An endoscopic polyp receiving device according to claim 1, wherein said outer tube (1) lumen is sized for an endoscope (5) to pass through; the size of the lumen at the front end of the outer tube (1) is suitable for containing the clamped polyp tissue.

3. An endoscopic polyp storage device according to claim 1, wherein the elastic structure comprises a rubber ring (4) which is deformed to clamp or loosen the endoscope (5), the rubber ring (4) is disposed in an internal threaded hole (21), an internal retaining ring (22) is formed on a wall surface of the internal threaded hole (21) near one end of the outer tube (1), and the rubber ring (4) is disposed between the internal retaining ring (22) and one end of the adjusting seat (3) near the outer tube (1); when the adjusting seat (3) rotates and the adjusting seat (3) forwards abuts the rubber ring (4) on the inner baffle ring (22), the rubber ring (4) deforms, so that the inner side of the rubber ring (4) abuts against the endoscope (5).

4. An endoscopic polyp receiving device according to claim 1, wherein the connecting seat (2) is formed at a front end thereof with a connecting tube (23), and a rear end of the outer tube (1) is inserted into the connecting tube (23); the elastic structure is arranged between the connecting pipe (23) and the internal thread hole (21).

5. An endoscopic polyp receiving device according to claim 1, wherein a knob section is formed at a rear end of the adjusting base (3).

6. An endoscopic polyp receiving device according to claim 5, wherein the outer wall of the connection seat (2) and the outer wall of the knob section of the adjustment seat (3) are provided with surface embossments.

7. An application structure of an endoscopic polyp receiving device, which is characterized by comprising an endoscope (5), wherein the end part of the endoscope (5) is provided with a foreign body forceps (6), and the endoscope (5) passes through the endoscopic polyp receiving device as claimed in any one of claims 1 to 6; before the endoscope (5) enters the inner wall of the human esophagus (7), the elastic structure clamps the endoscope (5); after the polyp tissue is clamped by the foreign body forceps (6), the endoscope (5) is loosened by the elastic structure, the outer tube (1) extends out of the endoscope (5) until the polyp tissue and the foreign body forceps (6) completely enter the front end inner cavity of the outer tube (1); when the foreign body forceps (6) loosen the polyp tissue, the elastic structure clamps the endoscope (5).