CN206867442U - A kind of ventriculus bilocularis jejunal nutrient canal applied in operation - Google Patents

Abstract

The utility model provides a double-cavity gastrojejunum nutrition tube used in operation, which is characterized in that it comprises a nutrition tube, a stomach tube wall is arranged on the outside of the nutrition tube, an outer cavity is formed between the nutrition tube and the stomach tube wall, and the nutrition tube An inner cavity is formed inside, the front end of the outer cavity communicates with the stomach tube, the end of the nutrition tube is exposed from the wall of the stomach tube and connected with the guide ball, and the end of the nutrition tube is provided with a side hole of the nutrition tube. The double-cavity gastrojejunum nutrition tube used in the operation of the utility model communicates with the inner cavity and the outer cavity through the nutrition tube and the gastric tube respectively, so as to achieve the purpose of nutrient injection and gastrointestinal decompression flushing. The utility model changes the three-chamber into a double-chamber, indirectly increases the diameter of the enteral nutrition tube, and designs the end of the enteral nutrition as a guiding ball, which is convenient for the surgeon to grasp during the operation, and at the same time increases the size and quantity of the side holes of the nutrition tube , reduce the chance of nozzle blockage, fully achieve the purpose of nutrient injection, suction and flushing of gastrointestinal retention, and are more suitable for use in surgery.

Description

A double-lumen gastrojejunal nutrition tube used in surgery

technical field

The utility model relates to the technical field of medical devices, in particular to medical consumables for providing gastrointestinal decompression and enteral nutrition after operations on esophagus, stomach, intestines and other digestive tract organs.

Background technique

In recent years, with the continuous development of medical technology, especially the rise of the concept of enhanced recovery after surgery (ERAS), the requirements for nutritional support of patients are becoming more and more perfect. Enteral nutrition has been widely valued for its economy, practicality, simplicity, comprehensiveness, and compliance with human physiological functions. It is especially important for perioperative patients with digestive organs such as the esophagus, stomach, and intestines.

At present, the commonly used method of perioperative enteral nutrition at home and abroad is that after the esophagus and stomach, esophagus and intestine, and stomach and intestine are anastomosed during the operation, the anesthetist assists the nasojejunal nutrition tube and three-lumen nutrition tube through the nostrils. After inserting the nutrition tube, the surgeon will smoothly send the nutrition tube reaching the esophageal cavity, gastric cavity, and intestinal cavity into the designated intestinal cavity by hand. The technical difficulty in this process is that the surgeon manually sends the nutrition tube into the designated intestine.

The traditional nasojejunal nutrition tube has no negative pressure suction effect and cannot meet the needs of clinical application. The main feature of the currently widely used three-lumen nutrition tube is that it integrates the three paths of negative pressure suction, irrigation and drainage, and enteral nutrition. , but such a structure has many defects in the clinical application process. First of all, the channel of flushing and drainage is basically not needed in the process of clinical use. It is completely possible to use the channel of negative pressure drainage to achieve the effect of flushing and drainage by self-rinsing. This design is invisible In addition, the diameter of the other two important lumens is reduced, which affects the effect of enteral nutrition. In addition, the lumen of enteral nutrition is relatively thin, and the head of the nutrition tube is not enlarged, so a very experienced surgeon is required to perform this procedure. Operation, because it is difficult to feel the nutrition tube when the hand assists the nutrition tube through the pylorus or similar structures, which increases the difficulty of grasping, especially in thoraco-laparoscopic surgery with fewer incisions, so the operation is particularly difficult.

Contents of the invention

The purpose of this utility model is to provide a double-cavity gastrojejunal nutrition tube used in surgery. The three-cavity is changed into a double-cavity, the diameter of the enteral nutrition tube is increased, and the end of the enteral nutrition is designed as an enlarged and raised shape, which is convenient for surgery. Surgeon grabbing.

In order to achieve the above purpose, the utility model provides a double-cavity gastrojejunal nutrition tube used in surgery, which is characterized in that it includes a nutrition tube, the outside of the nutrition tube is provided with a stomach tube wall, and a tube wall is formed between the nutrition tube and the stomach tube wall. The external cavity, the inner cavity is formed inside the nutrition tube, the front end of the external cavity communicates with the stomach tube, the end of the nutrition tube is exposed from the wall of the stomach tube and connected with the guide ball, and the end of the nutrition tube is provided with a side hole of the nutrition tube.

Preferably, the front ends of the nutrition tube and the stomach tube are respectively provided with a nutrition tube cap and a stomach tube cap.

Preferably, the lower part of the gastric tube wall is provided with negative pressure drainage side holes.

More preferably, the diameter of the negative pressure drainage side holes is 3-5mm, and the number is 6-8.

Preferably, the length of the nutrition tube is 110cm-130cm, and the length of the gastric tube wall is 50-70cm.

Preferably, the outer cavity and the inner cavity are concentric structures.

Preferably, the guide ball is in the shape of a round hammer with a maximum diameter of 4-6mm.

Preferably, the outer diameter of the gastric tube wall is 0.8-1 cm, and the inner diameter is 0.4-0.6 cm, and the outer diameter of the nutrition tube is 0.4-0.6 cm, and the inner diameter is 0.3-0.5 cm.

Preferably, the diameter of the side hole of the nutrition tube is 3-5mm, and the number is 6-8.

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

The double-cavity gastrojejunum nutrition tube used in the operation of the utility model communicates with the inner cavity and the outer cavity through the nutrition tube and the gastric tube respectively, so as to achieve the purpose of nutrient injection and gastrointestinal decompression flushing. The utility model changes the three-chamber into a double-chamber, indirectly increases the diameter of the enteral nutrition tube, and designs the end of the enteral nutrition as a guiding ball, which is convenient for the surgeon to grasp during the operation, and at the same time increases the size and quantity of the side holes of the nutrition tube , reduce the chance of nozzle blockage, fully achieve the purpose of nutrient injection, suction and flushing of gastrointestinal retention, and are more suitable for use in surgery.

Description of drawings

Figure 1 is a schematic diagram of the structure of a double-cavity gastrojejunal nutrition tube used in the operation;

Fig. 2 is a schematic cross-sectional structure diagram of a double-lumen gastrojejunal nutrition tube used in the operation.

detailed description

Below in conjunction with specific embodiment, further set forth the utility model. It should be understood that these embodiments are only used to illustrate the present utility model and are not intended to limit the scope of the present utility model. In addition, it should be understood that after reading the content taught by the utility model, those skilled in the art can make various changes or modifications to the utility model, and these equivalent forms also fall within the scope defined by the appended claims of the application.

Example

As shown in Figure 1, the double-cavity gastrojejunal nutrition tube used in the operation of this embodiment includes a nutrition tube 8, the outside of the nutrition tube 8 is provided with a stomach tube wall 3, and an external cavity is formed between the nutrition tube 8 and the stomach tube wall 3 9. An inner cavity 10 is formed inside the nutrition tube 8, and the outer cavity 9 and the inner cavity 10 are concentric structures. The front end of the external cavity 9 communicates with the stomach tube 5, and the end of the nutrition tube 8 is exposed from the stomach tube wall 3 and connected with the guide ball 7, which is hammer-shaped and has a maximum diameter of 5 mm, which is convenient for palpation and positioning during the operation , easier to pass through the pylorus. The end of the nutrition tube 8 is provided with evenly distributed nutrition tube side holes 6 .

The outer diameter of the gastric tube wall 3 is 0.9 cm, the inner diameter is 0.5 cm, the outer diameter of the nutrition tube 8 is 0.5 cm, and the inner diameter is 0.4 cm. The length of the nutrition tube 8 is 120cm, and the length of the stomach tube wall 3 is 60cm. The lower third part of the gastric tube wall 3 is provided with evenly distributed negative pressure drainage side holes 4 . The diameter of the negative pressure drainage side hole 4 is 4mm, and the number is 7. The diameter of the side hole 6 of the nutrition tube is 4mm, and the number is 7.

The front ends of the nutrition tube 8 and the stomach tube 5 are provided with a nutrition tube cap 1 and a stomach tube cap 2 respectively. When the nutrition tube 8 and the gastric tube 5 are not in use, the lumen can be sealed to prevent pollution and gastrointestinal fluid from flowing out.

During use, gastric juice enters the outer cavity 9 from the negative pressure drainage side hole 4, and is drawn out through the gastric tube cap 2 connected with a negative pressure suction device. The nutrient solution enters the nutrition tube 8 through the nutrition tube cap 1 and enters the intestinal cavity through the side hole 6 of the nutrition tube.

The utility model is suitable for the insertion of gastric jejunum negative pressure nutrition tube in digestive tract operation, especially in esophageal cancer operation. It changes the three chambers into two chambers, increases the diameter of the jejunum nutrition tube without reducing the use of functions, and avoids nutrient solution. For tube plugging, the diameter of the guide ball 7 in the device is increased to 5mm, which increases the insertion of the guiding nutrition tube during the operation, increases the controllability during the operation, shortens the operation time, and improves the treatment efficiency.

The nutrition tube 8 and the gastric tube wall 3 are made of silica gel material, which has good biocompatibility, is non-irritating, non-toxic, non-allergic to human tissues, and has very little rejection by the body; it has good physical and chemical properties. It is a fairly stable inert substance that can maintain its original elasticity and softness in the process of contacting with body fluids and tissues without being degraded. High temperature resistant, sterilizable, visible under X-ray perspective, easy to process and shape, and easy to use.

Claims (9)

1. a double-cavity gastrojejunal nutrition tube used in an operation, characterized in that it comprises a nutrition tube (8), the outside of the nutrition tube (8) is provided with a stomach tube wall (3), and the nutrition tube (8) and the stomach tube An outer cavity (9) is formed between the walls (3), and an inner cavity (10) is formed inside the nutrition tube (8). The tube wall (3) is exposed and connected with the guide ball (7), and the end of the nutrition tube (8) is provided with a nutrition tube side hole (6). 2. The double-cavity gastrojejunal nutrition tube applied in the operation as claimed in claim 1, wherein the front ends of the nutrition tube (8) and the gastric tube (5) are respectively provided with a nutrition tube cap (1) and a tube cap (1). Gastric tube cap (2). 3. The double-cavity gastrojejunal nutrition tube used in operation according to claim 1, characterized in that, the lower part of the gastric tube wall (3) is provided with negative pressure drainage side holes (4). 4. The double-cavity gastrojejunal nutrition tube used in operation according to claim 3, characterized in that, the diameter of the negative pressure drainage side holes (4) is 3-5mm, and the number is 6-8. 5. The double-cavity gastrojejunal nutrition tube applied in the operation as claimed in claim 1, characterized in that, the length of the nutrition tube (8) is 110cm-130cm, and the length of the gastric tube wall (3) is 50-130cm. 70cm. 6. The double-lumen gastrojejunal nutrition tube used in operation according to claim 1, characterized in that, the outer cavity (9) and the inner cavity (10) are concentric structures. 7. The double-cavity gastrojejunal nutrition tube used in operation according to claim 1, characterized in that, the guide ball (7) is in the shape of a round hammer with a maximum diameter of 4-6mm. 8. The double-cavity gastrojejunal nutrition tube applied in the operation as claimed in claim 1, wherein the outer diameter of the stomach tube wall (3) is 0.8-1 cm, and the inner diameter is 0.4-0.6 cm, so The outer diameter of the nutrition tube (8) is 0.4-0.6cm, and the inner diameter is 0.3-0.5cm. 9. The double-cavity gastrojejunal nutrition tube used in operation according to claim 1, characterized in that, the diameter of the side hole (6) of the nutrition tube is 3-5 mm, and the number is 6-8.