Multifunctional drainage tube for endoscopic treatment

By designing a multifunctional drainage tube, the problem of insufficient drainage after duodenal perforation during endoscopic treatment is solved, and simultaneous drainage of fluids in multiple parts of the body is achieved, which reduces the patient's pain and infection risk and improves the safety and accuracy of treatment.

CN223404252UActive Publication Date: 2025-10-03PEKING UNIV CANCER HOSPITAL INNER MONGOLIA HOSPITAL (AFFILIATED CANCER HOSPITAL OF INNER MONGOLIA MEDICAL UNIV INNER MONGOLIA AUTONOMOUS REGION CANCER HOSPITAL INNER MONGOLIA AUTONOMOUS REGION CANCER CENT)
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422920511.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2025-10-03
Estimated Expiration
2034-11-28

AI Technical Summary

Technical Problem

Existing endoscopic treatments provide inadequate drainage after duodenal perforation, causing patient pain and increasing the risk of infection.

Method used

A multifunctional drainage tube for endoscopic treatment is designed, which includes multiple drainage mechanisms and connecting mechanisms. It is inserted into the duodenal perforation through the nasal cavity and is equipped with multiple drainage lumens, which are used to drain ascites, pus, small intestinal fluid and gastric juice respectively. The pigtail-shaped main tube structure is convenient for insertion and retention, and the healing status is judged by observing the amount and properties of the drainage fluid.

Benefits of technology

It achieves the simultaneous drainage of peritoneal effusion, pus, small intestinal fluid and gastric juice, improves drainage efficiency, reduces the risk of infection, and enhances the safety and accuracy of treatment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223404252U_ABST
    Figure CN223404252U_ABST
Patent Text Reader

Abstract

The utility model discloses a multifunctional drainage tube for endoscopic therapy, which belongs to the technical field of multifunctional drainage tubes and comprises an outer tube which is arranged outside an enteric cavity at a duodenum perforation through a nasal cavity, and a first inner tube, a second inner tube and a third inner tube are respectively arranged inside the outer tube. The tails of the first inner tube, the second inner tube and the third inner tube are correspondingly located in the abdominal cavity, the duodenum tube cavity and the stomach, side holes are formed in the positions, located in the first inner tube, the second inner tube and the third inner tube, of the outer tube, and the side holes face the abdominal cavity, the duodenum tube cavity and the stomach respectively. The main pipe is installed at the end of the outer pipe in a communicating mode, the outer portion of the main pipe is communicated with the connecting outer communicating pipe, the connecting outer communicating pipe is communicated with the first inner pipe, the second inner pipe and the third inner pipe respectively, the first inner pipe, the second inner pipe and the third inner pipe simultaneously drain seroperitoneum, pus, intestinal juice and gastric juice respectively, drainage efficiency is improved, and infection risks are reduced.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the field of multifunctional drainage tubes, in particular to a multifunctional drainage tube for endoscopic treatment. Background Art

[0002] Duodenal perforation is a serious complication that can occur during endoscopic examination and treatment. Due to its unique anatomical location and complex structure, perforation can easily lead to leakage of intestinal contents, causing infection and difficulty in wound healing. Traditional surgical treatment is invasive and carries a high risk of complications, leading to the pursuit of minimally invasive endoscopic therapies. However, existing conservative endoscopic treatments have shortcomings in drainage after perforation, such as inadequate drainage and multiple punctures that increase patient pain.

[0003] How to invent a multifunctional drainage tube for endoscopic treatment to improve these problems has become an urgent problem to be solved by those skilled in the art. Utility Model Content

[0004] In order to make up for the above deficiencies, the present invention provides a multifunctional drainage tube for endoscopic treatment, which aims to improve the problems of insufficient drainage after endoscopic perforation and increased pain for patients caused by multiple punctures.

[0005] The utility model is realized as follows: a multifunctional drainage tube for endoscopic treatment, comprising

[0006] Multiple drainage mechanisms, the multiple drainage mechanisms comprising a drainage tube body, the drainage tube body comprising an outer tube, the outer tube being inserted through the nasal cavity to the outside of the intestinal cavity at the duodenal perforation, the outer tube being provided with a first inner tube, a second inner tube, and a third inner tube, the tails of the first inner tube, the second inner tube, and the third inner tube being respectively located in the abdominal cavity, the duodenal lumen, and the stomach, the outer tube being provided with side holes at the first inner tube, the second inner tube, and the third inner tube, the side holes facing the abdominal cavity, the duodenal lumen, and the stomach, respectively;

[0007] The connecting mechanism includes a connecting sealed pipe, the connecting sealed pipe includes a main pipe, the main pipe is connected and installed at the end of the outer pipe, the outside of the main pipe is connected with a connecting external pipe, and the connecting external pipe is connected with the first inner pipe, the second inner pipe and the third inner pipe respectively.

[0008] In a preferred technical solution of the present invention, the interior of the main pipe is fixedly connected to the first inner pipe, the second inner pipe and the third inner pipe respectively, the tail of the main pipe is arranged in a pigtail shape, and the diameter of the end of the main pipe gradually and smoothly decreases towards the tail.

[0009] In a preferred technical solution of the present invention, one end of the first inner tube that penetrates into the body is fixedly connected to the abdominal cavity, the abdominal cavity is fixedly fitted with the inner wall of the outer tube, and the outer tube is located in the abdominal cavity and is evenly spaced and provided with multiple side holes, and the side holes of the abdominal cavity are located in the abdominal cavity and pus in the body.

[0010] In a preferred technical solution of the present invention, one end of the second inner tube that penetrates into the body is fixedly connected to the duodenal lumen, the duodenal lumen is fixedly fitted with the inner wall of the outer tube, and the outer tube is located in the duodenal lumen and is evenly spaced apart with a plurality of side holes, and the side holes of the duodenal lumen are located in the bile, pancreatic juice, etc., and small intestinal fluid.

[0011] In a preferred technical solution of the present invention, one end of the third inner tube that penetrates deep into the body is fixedly connected to the stomach lumen, the stomach lumen is fixedly fitted with the inner wall of the outer tube, and the outer tube is located in the stomach lumen and is evenly spaced with a plurality of side holes, and the side holes in the stomach lumen are located in the gastric fluid of the stomach.

[0012] In a preferred technical solution of the present invention, the abdominal cavity, the duodenal cavity and the gastric cavity are all connected to the inner wall of the outer tube at an angle.

[0013] In a preferred technical solution of the present invention, the bottom of the main pipe is connected to the external port of the outer pipe, two connecting external pipes are symmetrically installed on both sides of the main pipe, and one connecting external pipe is installed on the top of the main pipe. The connecting external pipes are located inside the main pipe and are respectively connected to connecting pipes. The connecting external pipe located at the top of the main pipe is connected to the second inner pipe through the connecting pipe, and the two connecting external pipes on both sides of the main pipe are respectively connected to the first inner pipe and the third inner pipe through the connecting pipe.

[0014] In a preferred technical solution of the present invention, a sealing plug is sealedly connected to the inside of the upper end of the first inner tube, the outer wall of the sealing plug is sealed and fits with the inner wall of the connecting external tube, and a connecting section is connected to one side of the top of the sealing plug, and the other end of the connecting section is connected to the outer wall of the connecting external tube.

[0015] In a preferred technical solution of the present invention, a lifting ear is fixedly connected to the top of the connecting external pipe, and the lifting ear is located opposite to the connecting section.

[0016] In a preferred technical solution of the present invention, a support ring is fixedly connected to the outer wall of the connecting external through pipe near the end.

[0017] The beneficial effects of the present invention are as follows: the present invention is a multifunctional drainage tube for endoscopic treatment obtained by the above-mentioned design. When in use, the drainage tube body is inserted into the intestinal cavity outside the duodenal perforation through the patient's nasal cavity and retained in the cystic cavity. The three negative pressure drains are respectively connected to the external tube. By observing the amount, color and properties of the drainage fluid, the drainage effect and healing condition can be judged. The abdominal cavity is used to drain ascites and pus at the intestinal perforation. Multiple side holes are used to ensure sufficient drainage and avoid pipeline blockage. The duodenal cavity is used to drain small intestinal fluids such as bile and pancreatic juice. Multiple side holes ensure the drainage effect. The gastric cavity is used to drain gastric fluid. The side holes are used to achieve comprehensive drainage. Through the one-tube three-cavity structure, the simultaneous drainage of ascites, pus, small intestinal fluid and gastric fluid is achieved, which improves the drainage efficiency and reduces the risk of infection. The outer end of the drainage tube is connected to a negative pressure drain. By observing the changes in the drainage fluid, the drainage effect and healing condition can be monitored in real time, providing strong support for treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 This is a schematic diagram of the structure of one side provided by an embodiment of the present utility model;

[0020] Figure 2 A schematic diagram of the structure of the other side provided for an embodiment of the utility model;

[0021] Figure 3 A schematic diagram of the structure of the drainage tube body provided in an embodiment of the present utility model;

[0022] Figure 4 This is a schematic diagram of the connecting sealing pipeline structure provided by an embodiment of the present utility model.

[0023] In the figure: 100-multiple drainage mechanisms; 110-drainage tube body; 111-outer tube; 112-first inner tube; 113-second inner tube; 114-third inner tube; 115-abdominal cavity; 116-duodenal cavity; 117-gastric cavity; 118-side hole; 200-connecting mechanism; 210-connecting sealing pipe; 211-main pipe; 212-connecting external tube; 213-connecting tube; 214-support ring; 215-sealing plug; 216-connecting section; 217-lifting ear. DETAILED DESCRIPTION

[0024] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figures 1 to 4 The utility model provides a technical solution: a multifunctional drainage tube for endoscopic treatment, comprising

[0026] Multiple drainage mechanisms 100, multiple drainage mechanisms 100 include a drainage tube body 110, the drainage tube body 110 includes an outer tube 111, the outer tube 111 is inserted into the intestinal cavity at the duodenal perforation through the nasal cavity, and the inner part of the outer tube 111 is respectively provided with a first inner tube 112, a second inner tube 113 and a third inner tube 114, and the tails of the first inner tube 112, the second inner tube 113 and the third inner tube 114 are respectively located in the abdominal cavity, the duodenal cavity and the stomach, and the outer tube 111 is provided with side holes 118 at the first inner tube 112, the second inner tube 113 and the third inner tube 114, and the side holes 118 are respectively directed to the nasal cavity. Toward the abdominal cavity, duodenal cavity and stomach; a connecting mechanism 200, the connecting mechanism 200 includes a connecting sealed pipe 210, the connecting sealed pipe 210 includes a main pipe 211, the main pipe 211 is connected to the end installed on the outer tube 111, and the outside of the main pipe 211 is respectively connected with a connecting external tube 212, and the connecting external tube 212 is respectively connected to the first inner tube 112, the second inner tube 113 and the third inner tube 114. The first inner tube 112, the second inner tube 113 and the third inner tube 114 drain the ascites, pus, small intestinal fluid and gastric juice at the same time, thereby improving the drainage efficiency and reducing the risk of infection.

[0027] The interior of the main tube 211 is fixedly connected to the first inner tube 112, the second inner tube 113, and the third inner tube 114. The tail of the main tube 211 is designed in a pigtail shape, with the diameter of the end of the main tube 211 gradually and smoothly decreasing towards the tail. The pigtail design facilitates insertion and retention, and facilitates closing or reducing duodenal wounds, which helps wound healing. The end of the first inner tube 112 that extends deep into the body is fixedly connected to the abdominal cavity 115. The abdominal cavity 115 is fixedly attached to the inner wall of the outer tube 111. The outer tube 111 is located in the abdominal cavity 115 and has multiple side holes 118 evenly spaced apart. The side holes 118 of the abdominal cavity 115 are located in the body where ascites and pus accumulate.

[0028] The end of the second inner tube 113 that extends into the body is fixedly connected to the duodenal lumen 116. The duodenal lumen 116 is fixedly attached to the inner wall of the outer tube 111. The outer tube 111 is provided with multiple side holes 118 evenly spaced in the duodenal lumen 116. The side holes 118 of the duodenal lumen 116 are located in the areas where bile, pancreatic juice, and small intestinal fluid are located. The end of the third inner tube 114 that extends into the body is fixedly connected to the gastric lumen 117. The gastric lumen 117 is fixedly attached to the inner wall of the outer tube 111. The outer tube 111 is provided with multiple side holes 118 evenly spaced in the gastric lumen 117. The side holes 118 of the gastric lumen 117 are located in the area where gastric fluid is located. The abdominal cavity 115, the duodenal lumen 116, and the gastric lumen 117 are all connected to the inner wall of the outer tube 111 at an angle to increase the contact area and facilitate the entry of fluids. The application of radiographically visible materials enables medical staff to non-invasively observe the position, status and whether the pipeline is dislocated, thereby improving the safety and accuracy of treatment. The outer tube 111, the first inner tube 112, the second inner tube 113 and the third inner tube 114, the abdominal cavity 115, the duodenal cavity 116 and the gastric cavity 117 are made of radiographically visible materials, enabling medical staff to non-invasively observe the position, status and whether the pipeline is dislocated, thereby improving the safety and accuracy of treatment. At the same time, the drainage tube body 110 needs to be flushed with saline on time to promote better drainage and avoid blockage, which further ensures that the side hole 118 is unobstructed.

[0029] The bottom of the main pipe 211 is connected to the external port of the outer pipe 111, and two connecting external pipes 212 are symmetrically connected and installed on both sides of the main pipe 211. One connecting external pipe 212 is connected and installed on the top of the main pipe 211. The connecting external pipes 212 are located inside the main pipe 211 and are connected to connecting pipes 213 respectively. The connecting external pipe 212 located at the top of the main pipe 211 is connected to the second inner pipe 113 through the connecting pipe 213. The two connecting external pipes 212 on both sides of the main pipe 211 are respectively connected to the first inner pipe 112 and the third inner pipe 114 through the connecting pipe 213. The connecting external pipe 212 located at the top of the main pipe 211 is connected to the duodenal lumen 116, which is convenient for inserting a guide wire to assist in intubation. At the same time, the end of the duodenal lumen 116 not only has a side hole 118, but can also pass straight through. A sealing plug 215 is sealedly connected to the interior of the upper end of the first inner tube 112. The outer wall of the sealing plug 215 seals against the inner wall of the connecting outer tube 212. A connecting section 216 is connected to one side of the top of the sealing plug 215, and the other end of the connecting section 216 is connected to the outer wall of the connecting outer tube 212. A lifting lug 217 is fixedly connected to the top of the connecting outer tube 212, located opposite the connecting section 216. A support ring 214 is fixedly connected to the outer wall of the connecting outer tube 212 near the end.

[0030] Working Principle: The drainage tube body 110 is inserted through the patient's nasal cavity outside the intestinal cavity at the site of the duodenal perforation and retained in the cystic cavity. The end of the drainage tube body 110 is thinnest and gradually thickens, facilitating the closure or reduction of the duodenal wound with a metal clip or purse-string suture. The sealing plug 215 in the connecting external tube 212 is opened, and three negative pressure drains are connected to the connecting external tube 212. The drainage effect and healing status can be judged by observing the amount, color, and properties of the drainage fluid. The abdominal lumen 115 is used to drain ascites and pus at the site of the intestinal perforation, and multiple side holes 118 ensure sufficient drainage to avoid tube blockage. The duodenal lumen 116 is used to drain small intestinal fluids such as bile and pancreatic juice, and multiple side holes 118 ensure drainage effectiveness. The gastric lumen 117 is used to drain gastric fluid, and the side holes 118 enable comprehensive drainage.

[0031] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A multifunctional drainage tube for endoscopic treatment, characterized in that: include Multiple drainage mechanisms, the multiple drainage mechanisms comprising a drainage tube body, the drainage tube body comprising an outer tube, the outer tube being inserted through the nasal cavity to the outside of the intestinal cavity at the duodenal perforation, the outer tube being provided with a first inner tube, a second inner tube, and a third inner tube, the tails of the first inner tube, the second inner tube, and the third inner tube being respectively located in the abdominal cavity, the duodenal lumen, and the stomach, the outer tube being provided with side holes at the first inner tube, the second inner tube, and the third inner tube, the side holes facing the abdominal cavity, the duodenal lumen, and the stomach, respectively; The connecting mechanism includes a connecting sealed pipe, the connecting sealed pipe includes a main pipe, the main pipe is connected and installed at the end of the outer pipe, the outside of the main pipe is connected with a connecting external pipe, and the connecting external pipe is connected with the first inner pipe, the second inner pipe and the third inner pipe respectively.

2. The multifunctional drainage tube for endoscopic treatment according to claim 1, characterized in that: The interior of the main pipe is fixedly connected with the first inner pipe, the second inner pipe and the third inner pipe respectively. The tail of the main pipe is arranged in a pigtail shape, and the diameter of the end of the main pipe gradually and smoothly decreases towards the tail.

3. The multifunctional drainage tube for endoscopic treatment according to claim 2, characterized in that: One end of the first inner tube that penetrates into the body is fixedly connected to the abdominal cavity, and the abdominal cavity is fixedly fitted with the inner wall of the outer tube. The outer tube is located in the abdominal cavity and is evenly spaced and provided with multiple side holes. The side holes of the abdominal cavity are located in the abdominal cavity and pus.

4. The multifunctional drainage tube for endoscopic treatment according to claim 3, characterized in that: One end of the second inner tube that penetrates into the body is fixedly connected to the duodenal lumen, and the duodenal lumen is fixedly fitted with the inner wall of the outer tube. The outer tube is located in the duodenal lumen and is evenly spaced with multiple side holes. The side holes of the duodenal lumen are located in the bile, pancreatic juice, and small intestinal fluid.

5. The multifunctional drainage tube for endoscopic treatment according to claim 4, characterized in that: One end of the third inner tube that penetrates into the body is fixedly connected to the stomach lumen, and the stomach lumen is fixedly fitted with the inner wall of the outer tube. The outer tube is located in the stomach lumen and is evenly spaced with multiple side holes, and the side holes in the stomach lumen are located in the gastric fluid of the stomach.

6. The multifunctional drainage tube for endoscopic treatment according to claim 5, characterized in that: The abdominal cavity, the duodenal cavity and the stomach cavity are all connected obliquely to the inner wall of the outer tube.

7. The multifunctional drainage tube for endoscopic treatment according to claim 1, characterized in that: The bottom of the main pipe is connected to the external port of the outer pipe, two connecting external pipes are symmetrically installed on both sides of the main pipe, and one connecting external pipe is installed on the top of the main pipe. The connecting external pipes are located inside the main pipe and are connected to connecting pipes respectively. The connecting external pipe located at the top of the main pipe is connected to the second inner pipe through the connecting pipe, and the two connecting external pipes on both sides of the main pipe are connected to the first inner pipe and the third inner pipe respectively through the connecting pipe.

8. The multifunctional drainage tube for endoscopic treatment according to claim 7, characterized in that: The upper end of the first inner tube is sealed with a sealing plug, the outer wall of the sealing plug is sealed and fits with the inner wall of the connecting external tube, and the top side of the sealing plug is connected with a connecting section, and the other end of the connecting section is connected to the outer wall of the connecting external tube.

9. The multifunctional drainage tube for endoscopic treatment according to claim 8, characterized in that: The top of the connecting external pipe is fixedly connected with a lifting ear, and the lifting ear is located opposite to the connecting section.

10. The multifunctional drainage tube for endoscopic treatment according to claim 8, characterized in that: The outer wall of the connecting external through pipe close to the end portion is fixedly connected with a supporting ring.