Recovery device for polyp after colon polyp cold circle excision

Abstract

The utility model relates to the field of polyp recovery, and particularly discloses a polyp recovery device after colon polyp cold circle excision, which comprises a recovery mechanism, the recovery mechanism comprises a first catheter and a second catheter, and a joint mechanism is arranged between the second catheter and the first catheter. An inner connector gasket is mounted on the inner side of the end, close to the first guide pipe, of the second guide pipe, a recycling sleeve is arranged in the second guide pipe, a mounting base plate is mounted at the end, located on the outer side of the inner connector gasket, of the recycling sleeve, and a bolt is mounted at the position, corresponding to the clamping penetrating hole, of the rear surface of the mounting base plate. Filter holes are formed in the outer side wall of the recovery sleeve in an array manner. The polyp is adsorbed under the action of negative pressure, gas and liquid can freely move through the filtering holes, and when the whole polyp is adsorbed into the recycling sleeve and is prone to being internally compressed and flattened, the filtering holes formed in the outer side wall of the recycling sleeve of a conical structure can be used for gas circulation, and the situation that a pipeline is blocked can be prevented.

Description

Technical Field

[0001] The utility model relates to the field of polyp recovery, in particular to a polyp recovery device after cold loop resection of colonic polyps. Background Technique

[0002] Colorectal polyp resection is the most common operation in the daily work of digestive endoscopy. Most colorectal polyps are small polyps. Detecting and removing polyps by colonoscopy screening is an effective means to reduce the incidence and mortality of colorectal cancer. In the past, high-frequency electrocision was usually required when removing colorectal polyps under endoscopy, which had risks such as postoperative bleeding and perforation. The cold resection by snare is a technique that directly removes the polyp after snaring it with a snare. Its effectiveness is the same as that of the traditional hot resection method, but it does not use high-frequency electrocoagulation, and the incidence of postoperative bleeding is extremely low, and the incidence of perforation is almost zero.

[0003] However, since the polyp after cold resection still remains inside the colon, the polyp needs to be taken out after the operation. The traditional method of taking out the polyp uses a gauze in cooperation with a negative pressure tube. It is easy for the gauze wrapped around the end of the negative pressure tube to fall off when inserted into the colon. Content of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a polyp recovery device after cold loop resection of colonic polyps, which solves the problems mentioned in the above background.

[0005] The utility model provides the following technical solutions: A polyp recovery device after cold loop resection of colonic polyps, including a recovery mechanism, the recovery mechanism includes: a first catheter and a second catheter, a joint mechanism is arranged between the second catheter and the first catheter, an inner joint gasket is installed inside the second catheter near one end of the first catheter, a plurality of clamping through holes are arranged in an array inside the inner joint gasket, a recovery sleeve is arranged inside the second catheter, one end of the recovery sleeve is provided with a mounting backing plate outside the inner joint gasket, pins are installed on the rear surface of the mounting backing plate corresponding to the positions of the clamping through holes, and a plurality of filter holes are arranged in an array on the outer side wall of the recovery sleeve.

[0006] As a further scheme of the utility model: a clamping groove is arranged on the outer side of the pin, and a negative pressure joint is installed at the end of the second catheter away from the first catheter.

[0007] As a further scheme of the utility model: the joint mechanism includes: a joint collar, a threaded sleeve, and a support gasket.

[0008] As a further scheme of the utility model: the inner joint gasket is fixedly connected with the second catheter.

[0009] As a further solution of the present utility model: the outer diameter dimension length of the plug pin is greater than the inner diameter dimension length of the clamping perforation.

[0010] As a further solution of the present utility model: the plug pin is clamped with the clamping perforation through the clamping groove.

[0011] As a further solution of the present utility model: both the first conduit and the second conduit are transparent hose members.

[0012] As a further solution of the present utility model: the threaded sleeve is fixedly engaged with the joint collar, and the outer diameter dimension length of the joint collar is greater than the outer diameter dimension lengths of the first conduit and the second conduit.

[0013] Compared with the prior art, the beneficial effects of the present utility model are:

[0014] Under the action of negative pressure, the polyp is adsorbed from the position of the first conduit to the position of the second conduit and then intercepted by the recovery sleeve. The gas and liquid can move freely through the filter holes opened on the outer side of the recovery sleeve. When the polyp is adsorbed into the interior of the recovery sleeve and is prone to internal compression and flattening, the filter holes opened on the outer side wall of the conical recovery sleeve can allow the flow of gas, preventing the pipeline from being blocked.

[0015] By placing the support gasket ring between the first conduit and the second conduit as a whole, after pulling and deforming the first conduit and the second conduit as a whole and sleeving them on the outer side of the support gasket ring, by engaging the two threaded sleeves on the outer sides of the first conduit and the second conduit, the pressure relief at the joint can be prevented during negative pressure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic structural diagram of a polyp recovery device after cold loop resection of colon polyps;

[0017] Figure 2 It is an exploded view of the joint mechanism in a polyp recovery device after cold loop resection of colon polyps;

[0018] Figure 3 It is a schematic structural diagram of the second conduit in a polyp recovery device after cold loop resection of colon polyps;

[0019] Figure 4 It is a schematic structural diagram of the recovery sleeve in a polyp recovery device after cold loop resection of colon polyps;

[0020] Figure 5 It is a cross-sectional view of the whole device in a polyp recovery device after cold loop resection of colon polyps.

[0021] In the figure: 1. Recycling mechanism; 2. First conduit; 3. Second conduit; 4. Negative pressure connector; 5. Connector mechanism; 6. Recycling sleeve; 301. Inner connector gasket; 302. Clamping perforation; 501. Connector collar; 502. Threaded sleeve; 503. Support spacer ring; 601. Mounting backing plate; 602. Plug pin; 603. Filter hole; 604. Clamping groove. Detailed implementation mode

[0022] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0023] As Figures 1-5 shown, this implementation mode provides a device for recycling polyps after cold loop resection of colonic polyps, including a recycling mechanism 1, and the recycling mechanism 1 includes: a first conduit 2 and a second conduit 3. Both the first conduit 2 and the second conduit 3 are transparent hose components. A connector mechanism 5 is provided between the second conduit 3 and the first conduit 2. An inner connector gasket 301 is installed inside one end of the second conduit 3 close to the first conduit 2. The inner connector gasket 301 is fixedly connected to the second conduit 3. Clamping perforations 302 are arrayed inside the inner connector gasket 301. A recycling sleeve 6 is arranged inside the second conduit 3. The recycling sleeve 6 is a conical component as a whole. A mounting backing plate 601 is installed on the outside of one end of the recycling sleeve 6 and located outside the inner connector gasket 301. A plug pin 602 is installed on the rear surface of the mounting backing plate 601 corresponding to the position of the clamping perforation 302. The outer diameter dimension length of the plug pin 602 is greater than the inner diameter dimension length of the clamping perforation 302. Filter holes 603 are arrayed on the outer side wall of the recycling sleeve 6.

[0024] As Figures 2-3 shown, in this embodiment, a clamping groove 604 is provided on the outside of the plug pin 602. The plug pin 602 is clamped with the clamping perforation 302 through the clamping groove 604. A negative pressure connector 4 is installed at the end of the second conduit 3 far from the first conduit 2. The connector mechanism 5 includes: a connector collar 501, a threaded sleeve 502, and a support spacer ring 503. The threaded sleeve 502 is fixedly engaged with the connector collar 501. The outer diameter dimension length of the connector collar 501 is greater than the outer diameter dimension lengths of the first conduit 2 and the second conduit 3.

[0025] The working principle of the present utility model is as follows: Before use, after the recycling sleeve 6 is integrally placed corresponding to the inside of the second conduit 3, the pins 602 on the side surface of the mounting backing plate 601 are integrally inserted into the clamping perforations 302 inside the inner joint gasket 301. After the pins 602 expand the clamping perforations 302 by extrusion, they are stuck at the position of the clamping groove 604, which can prevent the recycling sleeve 6 from shifting during use. After the support pad ring 503 is integrally placed between the first conduit 2 and the second conduit 3, and the first conduit 2 and the second conduit 3 are integrally pulled and deformed and then sleeved on the outside of the support pad ring 503, after the two threaded sleeves 502 are engaged on the outside of the first conduit 2 and the second conduit 3, the first conduit 2 and the second conduit 3 are integrally pressed and fixed on the outside of the support pad ring 503. After the negative pressure connector 4 is connected to the negative pressure source, after the first conduit 2 is integrally extended to the position of the polyp in the colon surgery, under the action of negative pressure, the polyp is adsorbed from the position of the first conduit 2 to the position of the second conduit 3 and then intercepted by the recycling sleeve 6. The gas and liquid can freely move through the filter holes 603 opened on the outside of the recycling sleeve 6. When the polyp is easily internally compressed and flattened after being adsorbed into the inside of the recycling sleeve 6, the filter holes 603 opened on the outer wall of the conical recycling sleeve 6 can allow the flow of gas, which can prevent the pipeline from being blocked. At the same time, after the polyp is recycled, the recycling sleeve 6 can be taken out for cleaning and processing by disassembling the first conduit 2 and the second conduit 3.

[0026] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0027] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A device for recovering polyps after cold coil resection of colon polypectomy, comprising a recovery mechanism (1), characterized in that: The recovery mechanism (1) comprises: a first conduit (2) and a second conduit (3); a joint mechanism (5) is arranged between the second conduit (3) and the first conduit (2); an inner joint gasket (301) is installed on the inner side of one end of the second conduit (3) close to the first conduit (2); an array of snap-fitting through holes (302) are provided inside the inner joint gasket (301); a recovery sleeve (6) is arranged inside the second conduit (3); a mounting plate (601) is installed on the outer side of one end of the recovery sleeve (6) located on the outer side of the inner joint gasket (301); a latch (602) is installed on the rear surface of the mounting plate (601) at a position corresponding to the snap-fitting through hole (302); and a filter hole (603) is provided on the outer side wall array of the recovery sleeve (6).

2. A device for recovering polyps after colon polypectomy and cold coil resection according to claim 1, characterized in that: A snap-in groove (604) is provided on the outer side of the latch pin (602), and a negative pressure connector (4) is installed on the end of the second conduit (3) that is located away from the first conduit (2).

3. The device for recovering polyps after colon polypectomy and cold coil resection according to claim 1, characterized in that: The joint mechanism (5) comprises: a joint collar (501), a threaded sleeve (502), and a support washer (503).

4. The device for recovering polyps after colon polypectomy and cold coil resection according to claim 1, characterized in that: The inner joint gasket (301) is fixedly connected to the second conduit (3).

5. The device for recovering polyps after colon polypectomy and cold coil resection according to claim 1, characterized in that: The outer diameter of the latch pin (602) is greater than the inner diameter of the latch through hole (302).

6. The device for recovering polyps after colon polypectomy and cold coil resection according to claim 2, characterized in that: The latch pin (602) is engaged with the engaging through hole (302) via the engaging groove (604).

7. The device for recovering polyps after colon polypectomy and cold coil resection according to claim 1, characterized in that: The first conduit (2) and the second conduit (3) are both transparent hose components.

8. The device for recovering polyps after colon polypectomy and cold coil resection according to claim 3, characterized in that: The threaded sleeve (502) is meshed and fixed with the joint ring (501); the outer diameter length of the joint ring (501) is greater than the outer diameter lengths of the first conduit (2) and the second conduit (3).

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