CN216439813U

CN216439813U - Catheter device for preventing rectal cancer postoperative anastomotic stoma leakage in disposable use

Info

Publication number: CN216439813U
Application number: CN202122584077.6U
Authority: CN
Inventors: 闫兆鹏
Original assignee: Shengjing Hospital of China Medical University
Current assignee: Shengjing Hospital of China Medical University
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-05-06
Anticipated expiration: 2031-10-26

Abstract

The utility model provides a disposable catheter device for preventing postoperative anastomotic leakage of rectal cancer, which is characterized by comprising: the guide pipe comprises a hollow pipe body, an inlet and an outlet which are arranged at the two ends of the hollow pipe body; a groove for discharging intestinal juice is formed in the outer wall of the guide pipe; and the air bag is wrapped on the outer wall of the catheter, and the two sides of the air bag are connected with the outer wall of the catheter in a smooth and sealed mode. According to the utility model, air is injected into the gas injection air bag, the air enters the air bag through the guide pipe, and the air bag is expanded to be in close contact with the intestinal tract, so that intestinal fluid and intestinal contents only can flow in from the inlet at one end of the hollow pipe body, flow through the hollow pipe body and flow out from the outlet, the anastomotic leakage is avoided being contacted and broken, the incidence rate of the anastomotic leakage after rectal cancer operation is effectively reduced, and the harm degree of the anastomotic leakage to the health of a patient can be reduced even if the anastomotic leakage occurs after the rectal cancer operation.

Description

Catheter device for preventing rectal cancer postoperative anastomotic stoma leakage in disposable use

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a catheter device for preventing leakage of an anastomotic stoma after rectal cancer operation in a disposable mode.

Background

The rectal cancer patient usually needs surgical treatment, the intestinal canal at the position of the tumor is cut off, and the distal intestinal canal and the proximal intestinal canal of the cut-off intestinal canal are anastomosed, and the junction of the distal intestinal canal and the proximal intestinal canal is called an anastomotic stoma. Anastomotic leakage can occur due to poor healing of the anastomoses for a number of reasons. Stomal leakage can cause intestinal contents to enter the pelvic cavity through the ruptured stomas, resulting in abdominal infections, which in severe cases can lead to septic shock and death. Anastomotic leakage is a common and serious complication after rectal cancer surgery and is a significant cause of death during surgery and increased treatment costs. Therefore, a device capable of preventing anastomotic leakage is needed, and the probability of anastomotic leakage is reduced.

Disclosure of Invention

According to the technical problems, the utility model provides a catheter device capable of preventing leakage of an anastomotic stoma after rectal cancer surgery.

In order to achieve the technical effects, the utility model adopts the following technical scheme: a disposable catheter device for preventing leakage of anastomotic stoma after rectal cancer surgery, comprising:

the guide pipe comprises a hollow pipe body, an inlet and an outlet which are arranged at the two ends of the hollow pipe body; a groove for discharging intestinal juice is formed in the outer wall of the guide pipe;

the air bag is wrapped on the outer wall of the catheter, and two sides of the air bag are connected with the outer wall of the catheter in a smooth and sealed mode;

a gas injection pipe having one end closely contacting the outer wall of the guide pipe and extending into the balloon; the other end is far away from the air bag and is connected with the air injection air bag;

the clamping buckle assembly comprises a first clamping buckle and a second clamping buckle, a stitching port is formed in the first clamping buckle and the second clamping buckle, the inner wall of the first clamping buckle and the inner wall of the second clamping buckle are attached to the catheter, and stitching threads sequentially penetrate through the stitching port formed in the first clamping buckle and the second clamping buckle and are sewn on the skin near the anus.

Preferably, the grooves are arranged on the outer wall of the guide pipe in a circumferential mode.

Preferably, a plurality of the grooves are arranged at equal intervals.

Preferably, the outer wall of the conduit is marked with dimension scales.

Preferably, the suture openings are at least two groups.

Preferably, the buckle assembly is a detachable structure.

In summary, compared with the prior art, the utility model has the beneficial technical effects that: the utility model provides a disposable catheter device for preventing postoperative anastomotic leakage of rectal cancer, which is characterized by comprising: the guide pipe comprises a hollow pipe body, an inlet and an outlet which are arranged at the two ends of the hollow pipe body; a groove for discharging intestinal juice is formed in the outer wall of the guide pipe; the air bag is wrapped on the outer wall of the catheter, and two sides of the air bag are connected with the outer wall of the catheter in a smooth and sealed mode; a gas injection pipe having one end closely contacting the outer wall of the guide pipe and extending into the balloon; the other end is far away from the air bag and is connected with the air injection air bag; the buckle assembly comprises a first buckle and a second buckle, wherein a stitching port is formed in each of the first buckle and the second buckle, the inner walls of the first buckle and the second buckle are attached to the catheter, and a stitching line sequentially penetrates through the stitching ports formed in the first buckle and the second buckle and is stitched on the skin near the anus. According to the utility model, air is injected into the gas injection air bag, the air enters the air bag through the guide pipe, and the air bag is expanded to be in close contact with the intestinal tract, so that intestinal fluid and intestinal contents only can flow in from the inlet at one end of the hollow pipe body, flow through the hollow pipe body and flow out from the outlet, the anastomotic leakage is avoided being contacted and broken, the incidence rate of the anastomotic leakage after rectal cancer operation is effectively reduced, and the harm degree of the anastomotic leakage to the health of a patient can be reduced even if the anastomotic leakage occurs after the rectal cancer operation. Through the two points, the aims of reducing medical resource consumption, accelerating the recovery of the patient and relieving the pain of the patient are fulfilled.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention with a buckle assembly disassembled;

FIG. 2 is a schematic cross-sectional view of the A-A surface of the catheter with 4 grooves;

FIG. 3 is a schematic cross-sectional view of a connection structure of the clip assembly and the catheter;

fig. 4 is a schematic view of a first snap structure.

The reference numerals are explained below:

the gas-injection device comprises a conduit 1, an air bag 2, a gas-injection pipe 3, a buckle 4, a groove 5, a gas-injection air bag 6, an inlet 11, an outlet 12, a hollow pipe body 13, a first buckle 41, a second buckle 42 and a sewing opening 43.

Detailed Description

Example 1

As shown in the figures, a disposable catheter device for preventing anastomotic leakage after rectal cancer surgery comprises: the device comprises a conduit 1, an air bag 2, an air injection pipe 3 and a buckle assembly 4, wherein the air bag 2 is wrapped on the outer wall of the conduit 1, the air bag 2 is connected with the outer wall of the conduit 1 in a smooth and sealed manner, one end of the air injection pipe 3 is tightly contacted with the conduit 1 and extends into the air bag 2, and the other end of the air injection pipe is connected with an air injection air bag 6;

the catheter 1 comprises a hollow tube body 13 for intestinal juice to flow, an inlet 11 and an outlet 12 which are arranged at two ends of the hollow tube body 13, wherein the inlet 11 is communicated with the outlet 12; a groove 5 (shown in figure 2) for discharging intestinal juice is arranged on the outer wall of the catheter 1;

the catheter further comprises a buckle assembly 4 which comprises a first buckle 41 and a second buckle 42, wherein the first buckle 41 and the second buckle 42 are respectively provided with a sewing opening 43 (shown in fig. 4), the inner walls of the first buckle 41 and the second buckle 42 are respectively attached to the outer wall of the catheter 1 (shown in fig. 3), and a suture line sequentially penetrates through the sewing openings 43 arranged on the first buckle 41 and the second buckle 42 and is sewn on the skin near the anus.

Preferably, the grooves 5 are circumferentially arranged on the outer wall of the catheter 1 and used for shunting and dredging intestinal juice to be discharged out of the body, so that intestinal juice accumulation is prevented from contacting an anastomotic stoma.

Preferably, a plurality of recess 5 equidistant setting for the reposition of redundant personnel is even, is difficult for causing the jam.

Preferably, the outer wall of the catheter 1 is marked with dimension scales so as to be convenient for extending into the measuring length.

Preferably, there are at least two sets of stitching 43 to accommodate the gripping requirements of catheters 1 of different sizes.

Example 2

As shown in the figure, after the intestinal canal is cut off, the proximal intestinal canal and the distal intestinal canal need to be connected together, and the joint is an anastomotic stoma; once the anastomoses are cracked due to any reason after the operation, i.e. anastomoses leak, intestinal fluid flows into the abdominal cavity, so that serious infection is caused, and the life can be threatened.

In order to avoid the phenomenon, the utility model provides a disposable catheter device for preventing leakage of an anastomotic stoma after rectal cancer surgery, in the using process, a catheter 1 of which the outer wall is wrapped by an air bag 2 extends into an intestinal canal at the proximal end of the anastomotic stoma through an anus, the inner walls of a first buckle 41 and a second buckle 42 are attached to the outer wall of the catheter 1, a suture thread penetrates through a suture opening 43 and is sewn on skin near the anus to complete fixation, air is injected into an air injection air bag 6, the air moves along an air injection pipe 3 and enters the air bag 2 wrapped on the outer wall of the catheter 1, and the air is accumulated in a closed space to enable the air bag 2 to expand and be contacted with the intestinal wall; the intestinal contents can only enter through the inlet 11 arranged on the catheter 1 and are discharged out of the body through the hollow catheter 1 and the outlet 12, the occurrence probability of anastomotic leakage caused by the fact that intestinal fluid and the intestinal contents contact the anastomotic stoma is reduced, even if the anastomotic leakage occurs, the leakage of the leaked intestinal contents to the abdominal cavity is reduced, and therefore the degree of abdominal infection is reduced.

Wherein, the sewing openings 43 are at least two groups, which can be adjusted according to the sizes and fastening requirements of the catheters 1 with different pipe diameters, thus adapting to different working requirements.

Example 3

Seted up recess 5 on catheter 1's outer wall, recess 5 can have a plurality of, set up along 1 outer wall circumference of catheter, two adjacent 5 equidistances of recess, 5 numbers of recess are 4 in this embodiment, along 1 outer wall circumference of catheter, the equidistance sets up, in the use, if there is intestinal juice to leave the intestinal cavity through gasbag 2 and intestinal inner wall contact space, the anus is tight under normal conditions, intestinal juice accumulates in the intestinal cavity of 2 bottoms of gasbag, untimely discharge can contact the anastomotic orifice, and intestinal juice can be outside the very easy discharge of recess 5, avoid intestinal juice to contact the anastomotic orifice or reveal to the abdominal cavity infection that the abdominal cavity arouses, the septic shock and the death that lead to when serious even, reduce medical resource consumption, alleviate risk occurrence probability and patient's misery.

In the description of the present application, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", "rear", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily make changes or variations within the technical scope of the present invention disclosed, and such changes or variations should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims. The technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. A disposable catheter device for preventing leakage of anastomotic stoma after rectal cancer surgery, comprising:

the catheter (1) comprises a hollow tube body (13), and an inlet (11) and an outlet (12) which are arranged at two ends of the hollow tube body; a groove (5) for discharging intestinal juice is arranged on the outer wall of the catheter (1);

the air bag (2) is wrapped on the outer wall of the catheter (1), and two sides of the air bag (2) are connected with the outer wall of the catheter (1) in a smooth and sealed mode;

a gas injection pipe (3) with one end closely contacted with the outer wall of the conduit (1) and extending into the air bag (2); the other end is far away from the air bag (2) and is connected with an air injection air bag (6);

the buckle assembly (4) comprises a first buckle (41) and a second buckle (42), wherein a stitching opening (43) is formed in each of the first buckle (41) and the second buckle (42), the inner walls of the first buckle (41) and the second buckle (42) are attached to the catheter (1), and a stitching thread sequentially penetrates through the stitching openings (43) formed in the first buckle (41) and the second buckle (42) and is stitched on the skin near the anus.

2. The disposable catheter device for preventing anastomotic leakage after rectal cancer according to claim 1, wherein the grooves (5) are provided in a plurality of numbers and are circumferentially arranged on the outer wall of the catheter (1).

3. The disposable catheter device for preventing leakage of anastomotic stoma after rectal cancer surgery according to claim 2, wherein a plurality of said grooves (5) are arranged at equal intervals.

4. The disposable catheter device for preventing anastomotic leakage after rectal cancer according to claim 1, wherein the outer wall of the catheter (1) is marked with size scales.

5. The disposable catheter device for preventing leakage of anastomotic stoma after rectal cancer according to claim 1, wherein said anastomotic openings (43) are in at least two groups.

6. The disposable catheter device for preventing leakage of anastomotic stoma after rectal cancer according to claim 1, wherein the snap assembly (4) is a detachable structure.