Nasal gastrointestinal tube with tube diameter conversion function

Abstract

The invention relates to the technical field of medical instruments, in particular to a nasal gastrointestinal tube with a tube diameter conversion function, which comprises an intestinal tube and a stomach tube, one end of the stomach tube is connected with a reducer tube, the diameter of one end of the reducer tube is the same as that of the intestinal tube, and the stomach tube is connected with the intestinal tube through the reducer tube; an enteric cavity is formed in each of the stomach tube and the reducer tube, a stomach cavity is formed in one side of each enteric cavity, an air inlet cavity is formed in one side of each stomach cavity, a stomach cavity closing wall is arranged between each enteric cavity and the corresponding stomach cavity, and an air inlet cavity closing wall is arranged between each enteric cavity and the corresponding air inlet cavity. According to the multi-cavity nasal gastrointestinal tube, conversion transition from a multi-cavity tube to a single-cavity tube is smoother, and damage of the outside of the tube body to a human body is greatly reduced; the gastrointestinal tube is welded into a whole, no additional adapter substitute is needed, the inner diameter of the intestinal tube body is effectively enlarged, and sufficient drainage, administration and nutrition delivery are achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, in particular to a nasogastric tube with a tube diameter conversion function. Background Art

[0002] Currently, similar multi-lumen nasogastric tubes on the market use a conversion connector to convert the tube diameter from a multi-lumen tube to a single-lumen tube. This can lead to several problems, including damage to the patient's gastrointestinal mucosa, increased pain, and potential complications such as inflammation. The addition of the conversion connector also reduces the tube diameter, making it impossible to ensure adequate drainage, medication, and nutrient delivery, thus impacting treatment effectiveness. Therefore, a nasogastric tube with a tube diameter conversion function has been developed. Summary of the Invention

[0003] The purpose of the present invention is to address the defects of the prior art and provide a nasogastric tube with a tube diameter conversion function to solve the problems raised by the above background technology.

[0004] To achieve the above-mentioned object, the present invention provides the following technical solution: a nasogastric tube with a tube diameter conversion function, comprising an intestinal tube and a gastric tube, one end of the gastric tube being connected to a reducing tube, the diameter of one end of the reducing tube being the same as the diameter of the intestinal tube, and the gastric tube being connected to the intestinal tube via the reducing tube; An intestinal cavity is provided inside the gastric tube and the reducing tube, a stomach cavity is provided on one side of the intestinal cavity, an air inlet cavity is provided on one side of the stomach cavity, a stomach cavity closed wall is provided between the intestinal cavity and the stomach cavity, and an air inlet cavity closed wall is provided between the intestinal cavity and the air inlet cavity.

[0005] As a preferred technical solution of the present invention, a bullet head is installed at one end of the intestinal tube.

[0006] As a preferred technical solution of the present invention, the other end of the gastric tube is connected to an intestinal cavity connector, an intestinal cavity connector cap is connected to the intestinal cavity connector, and the intestinal cavity connector is connected to the intestinal cavity in the gastric tube.

[0007] As a preferred technical solution of the present invention, a gastric cavity connector is connected to the outer wall of the intestinal cavity connector, a gastric cavity connector cap is connected to the gastric cavity connector, and the gastric cavity connector is connected to the gastric cavity in the gastric tube.

[0008] As a preferred technical solution of the present invention, an air inlet cavity catheter is also connected to the outer wall of the intestinal cavity connector, one end of the air inlet cavity catheter is connected to a Luer connector, a water stop clamp is also installed on the air inlet cavity catheter, and the air inlet cavity catheter is connected to the air inlet cavity.

[0009] As a preferred technical solution of the present invention, a plurality of gastric tube side holes are opened on the outer peripheral side of the gastric tube.

[0010] As a preferred technical solution of the present invention, the reducer is integrated with the stomach tube, and the reducer is connected to the intestinal tube by welding.

[0011] Compared with the prior art, the present invention has the following beneficial effects: The present invention makes the transition from a multi-lumen nasogastric tube to a single-lumen tube smoother, greatly reducing the damage to the human body from the outside of the tube body; the gastrointestinal tube is welded into one piece without additional conversion joints, effectively expanding the inner diameter of the intestinal tube and achieving sufficient drainage, medication and nutrient delivery. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 This is a schematic diagram of the internal structure of the stomach tube of the present invention; Figure 3 For the present invention Figure 1 Schematic diagram of the enlarged structure of A in the figure.

[0013] In the figure: 1. Intestinal tube; 2. Gastric tube; 201. Intestinal cavity; 203. Gastric cavity; 2031. Gastric cavity closed wall; 204. Air inlet cavity; 2041. Air inlet cavity closed wall; 3. Bullet head; 4. Intestinal cavity connector; 401. Intestinal cavity connector cap; 5. Gastric cavity connector; 51. Connector cap; 6. Air inlet cavity catheter; 7. Water stop clamp; 8. Luer connector; 9. Side hole of gastric cavity tube; 10. Reducer. DETAILED DESCRIPTION

[0014] The preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more precise definition of the protection scope of the present invention.

[0015] Example: See Figure 1-3 The present invention provides a technical solution: a nasogastric tube with a tube diameter conversion function, comprising an intestinal tube 1 and a gastric tube 2, one end of the gastric tube 2 is connected to a reducing tube 10, the diameter of one end of the reducing tube 10 being the same as the diameter of the intestinal tube 1, the gastric tube 2 is connected to the intestinal tube 1 through the reducing tube 10, and the reducing tube 10 makes the conversion transition of the multi-lumen nasogastric tube from the gastric tube 2 to the intestinal tube 1 smoother, greatly reducing the damage to the human body caused by the external part of the tube body; the gastric tube 2 and the intestinal tube 1 are welded together without an additional conversion joint, effectively expanding the internal diameter of the intestinal tube, and achieving sufficient drainage, drug administration and nutrient delivery; Both the gastric tube 2 and the reducing tube 10 have an intestinal cavity 201, a gastric cavity 203 is provided on one side of the intestinal cavity 201, an air inlet cavity 204 is provided on one side of the gastric cavity 203, a gastric cavity closing wall 2031 is provided between the intestinal cavity 201 and the gastric cavity 203, and an air inlet cavity closing wall 2041 is provided between the intestinal cavity 201 and the air inlet cavity 204; the gastric cavity 203 and the air inlet cavity 204 are welded closed, reducing the disadvantage of having to provide additional components to seal the cavity, and using the same material for welding and forming, without the need for glue to connect, reducing the risk of accessories bonded by glue or the glue itself in the human body.

[0016] A bullet head 3 is installed at one end of the intestinal tube 1.

[0017] The other end of the gastric tube 2 is connected to an intestinal cavity connector 4 , to which an intestinal cavity connector cap 401 is connected. The intestinal cavity connector 4 is in communication with the intestinal cavity 201 in the gastric tube 2 .

[0018] The outer wall of the intestinal cavity connector 4 is connected to the gastric cavity connector 5 , and the gastric cavity connector 5 is connected to the gastric cavity connector cap 51 . The gastric cavity connector 5 is in communication with the gastric cavity 203 in the gastric tube 2 .

[0019] An air inlet cavity conduit 6 is also connected to the outer wall of the intestinal cavity connector 4 , one end of which is connected to a Luer connector 8 . A water stop clamp 7 is also installed on the air inlet cavity conduit 6 , and the air inlet cavity conduit 6 is communicated with the air inlet cavity 204 .

[0020] A plurality of gastric tube side holes 9 are provided on the outer peripheral side of the gastric tube 2 .

[0021] The reducing tube 10 is integrated with the stomach tube 2 , and the reducing tube 10 is connected to the intestinal tube 1 by welding.

[0022] Working Principle: A nasogastric tube with a tube diameter conversion function uses a reducing tube 10 to make the transition from the stomach tube 2 to the intestinal tube 1 of the multi-lumen nasogastric tube smoother, greatly reducing the damage to the human body caused by the external tube body; the stomach tube 2 and the intestinal tube 1 are welded together without an additional conversion joint, effectively expanding the internal diameter of the intestinal tube and achieving sufficient drainage, drug administration and nutrient delivery. The stomach cavity 203 and the air inlet cavity 204 are welded together, which reduces the disadvantage of using separate components to seal the cavity. They are welded together using the same material, eliminating the need for glue connection, thus reducing the risk of glue-bonded parts or the glue itself being in the human body. Multiple side holes in the gastric tube are used to discharge gas in the stomach, reduce gastric pressure, and thus reduce the risk of reflux and aspiration; it can also work synergistically with other cavities to regulate the intragastric pressure to ensure that the nutrient solution is delivered directly to the jejunum, reducing irritation to the stomach.

[0023] The preparation process of the nasogastric tube of the present invention is as follows: Step 1. At the welding end of the three-lumen tube, first perform a sealing process, that is, weld the gastric cavity and the air inlet cavity together along the cavity wall to seal them; Step 2. Butt the two pipes of different diameters to be welded together in the middle cavity and set the welding parameters: temperature: 170°C, constant temperature time: 28s, welding setting time: 3s, and air cooling time: 50s.

[0024] Step 3. Load the material and start welding; Step 4. Cut off the excess tube at the other end of the three-lumen tube, retain the specified size, and then close the gastric cavity and the air intake cavity.

[0025] The above embodiments merely illustrate the implementation methods of the present invention. Although the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the invention. It should be noted that a person skilled in the art may make various modifications and improvements without departing from the scope of the present invention, and these modifications and improvements fall within the scope of protection of the present invention.

Claims

1. A nasogastric tube with a tube diameter conversion function, comprising an intestinal tube (1) and a gastric tube (2), characterized in that: One end of the gastric tube (2) is connected to a reducing tube (10), the diameter of one end of the reducing tube (10) is the same as the diameter of the intestinal tube (1), and the gastric tube (2) is connected to the intestinal tube (1) via the reducing tube (10); An intestinal cavity (201) is provided inside the gastric tube (2) and the reducing tube (10), a stomach cavity (203) is provided on one side of the intestinal cavity (201), an air inlet cavity (204) is provided on one side of the stomach cavity (203), a stomach cavity closing wall (2031) is provided between the intestinal cavity (201) and the stomach cavity (203), and an air inlet cavity closing wall (2041) is provided between the intestinal cavity (201) and the air inlet cavity (204).

2. The nasogastric tube with tube diameter conversion function according to claim 1, characterized in that: A bullet head (3) is installed at one end of the intestinal tube (1).

3. The nasogastric tube with tube diameter conversion function according to claim 1, characterized in that: The other end of the gastric tube (2) is connected to an intestinal cavity connector (4), an intestinal cavity connector cap (401) is connected to the intestinal cavity connector (4), and the intestinal cavity connector (4) is in communication with the intestinal cavity (201) in the gastric tube (2).

4. The nasogastric tube with tube diameter conversion function according to claim 1, characterized in that: A gastric cavity connector (5) is connected to the outer wall of the intestinal cavity connector (4), a gastric cavity connector cap (51) is connected to the gastric cavity connector (5), and the gastric cavity connector (5) is in communication with the gastric cavity (203) in the gastric tube (2).

5. The nasogastric tube with tube diameter conversion function according to claim 1, characterized in that: An air inlet cavity conduit (6) is also connected to the outer wall of the intestinal cavity connector (4), one end of the air inlet cavity conduit (6) is connected to a Luer connector (8), a water stop clamp (7) is also installed on the air inlet cavity conduit (6), and the air inlet cavity conduit (6) is in communication with the air inlet cavity (204).

6. The nasogastric tube with tube diameter conversion function according to claim 1, characterized in that: A plurality of gastric tube side holes (9) are provided on the outer peripheral side of the gastric tube (2).

7. The nasogastric tube with tube diameter conversion function according to claim 1, characterized in that: The reducing tube (10) and the stomach tube (2) are integrated, and the reducing tube (10) and the intestinal tube (1) are connected by welding.

Images