Nasogastric tube device

Abstract

The utility model relates to a nasogastric tube device, and belongs to the technical field of medical instruments. A nasogastric tube device comprises a built-in guide wire and a nasogastric tube. A curled part is arranged at the front end of the nasogastric tube, so that the curled part is in a curled state when the nasogastric tube is in a natural state; and when the guide wire extends into the nasogastric tube, the curled part is straightened. The shape of the front end of the nasogastric tube can be changed according to whether the guide wire is placed or not, the front end can be automatically curled to be similar to a circle when the guide wire is not placed, and gastric mucosa is prevented from being damaged due to continuous negative pressure suction after the front end of the nasogastric tube adheres to the wall; after the guide wire is placed, the front end of the nasogastric tube becomes linear along with the guide wire, and nasal indwelling operation is facilitated; after the nasal indwelling operation is completed, the guide wire can be pulled out, and the front end of the nasogastric tube restores the curled state.

Description

Technical Field

[0001] The utility model relates to a nasogastric tube device and belongs to the technical field of medical equipment. Background Art

[0002] Clinically, many patients suffer from gastric retention or intestinal obstruction, and patients with severe sepsis, especially sepsis caused by intra-abdominal infection or intra-abdominal organ infection, are very likely to develop intra-abdominal hypertension or even abdominal compartment syndrome. The above diseases all require decompression treatment in clinical practice, and the most commonly used decompression method for internists is to place a nasogastric tube and connect it to negative pressure drainage.

[0003] As the most commonly used enteral nutrition and gastrointestinal decompression device in clinical practice, the nasogastric tube is constantly improving with the needs of clinical work. The current nasogastric tube has a built-in guide wire, which is more conducive to smooth retention. However, the front end of the nasogastric tube has always been straight, which often leads to poor drainage after the nasogastric tube is placed in the clinic. This is attributed to the front end of the nasogastric tube sticking to the wall after negative pressure suction, and continuous negative pressure suction when the tube is attached to the wall will damage the gastric mucosa. Utility Model Content

[0004] The utility model relates to a nasogastric tube device, which improves the existing nasogastric tube device. The improved nasogastric tube device consists of two parts: a front-end automatically curled nasogastric tube and a built-in guide wire. The front end of the nasogastric tube will automatically curl into a quasi-circular shape when the guide wire is not inserted. The side holes of the gastric tube are regularly distributed on the inner side of the quasi-circular tube wall to prevent the side holes from sticking to the wall, resulting in poor drainage and continuous negative pressure suction after sticking to the wall to damage the gastric mucosa. After the guide wire is inserted, the end will become a straight line with the guide wire, which is convenient for nasal indwelling operation.

[0005] The utility model adopts the following technical solutions:

[0006] A nasogastric tube device comprises an internal guide wire 1 and a nasogastric tube 2; the front end of the nasogastric tube 2 has a curled portion 201, so that the curled portion of the nasogastric tube 2 is curled in a natural state; when the guide wire 1 is inserted into the nasogastric tube 2, the curled portion 201 is straightened.

[0007] Preferably, adsorption holes for negative pressure adsorption are evenly distributed on the inner side of the tube wall of the curled portion 201 .

[0008] Furthermore, the end hole at the end of the curled portion 201 is closed.

[0009] Preferably, the curled portion 201 is circular in shape.

[0010] Furthermore, the diameter of the circular shape of the curled portion 201 is 3-4 cm.

[0011] Preferably, the guide wire 1 is equal to the length of the nasogastric tube 2.

[0012] The beneficial effects of the utility model are:

[0013] 1) The front end of the nasogastric tube will change shape depending on whether the guide wire is inserted or not. When the guide wire is not inserted, the front end will automatically curl into a quasi-circular shape to avoid continuous negative pressure suction and damage to the gastric mucosa after the front end of the nasogastric tube adheres to the wall;

[0014] 2) The side holes of the gastric tube are regularly distributed on the inner side of the circular tube wall, which further prevents the side holes from adhering to the wall, resulting in poor drainage and continuous negative pressure suction after adhering to the wall, which can damage the gastric mucosa;

[0015] 2) After the guide wire is inserted, the front end of the nasogastric tube will become straight along with the guide wire, which is convenient for the transnasal placement operation; when the transnasal placement operation is completed, the guide wire can be pulled out and the front end of the nasogastric tube returns to a curled state, which can achieve the above-mentioned purpose of the invention and is ingeniously designed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The present invention is a schematic diagram of the prior art of adhering to the wall of a nasogastric tube after being placed in the stomach, wherein (a) and (b) are schematic diagrams of two forms of adhering to the wall.

[0017] Figure 2 It is a schematic diagram of the structure of the guide wire.

[0018] Figure 3 It is a schematic diagram of the structure of a nasogastric tube.

[0019] Figure 4 This is a schematic diagram of the nasogastric tube after the guidewire is inserted.

[0020] In the figure, 1. guide wire, 2. nasogastric tube, 201. curled part. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0022] See also Figure 1-Figure 4 The purpose of the utility model is to provide an improved nasogastric tube device to solve the clinical problem of poor drainage due to the adhesion of the nasogastric tube to the wall when using gastrointestinal decompression in cases of gastrointestinal obstructive diseases caused by different causes and intra-abdominal high pressure caused by severe infection of the abdominal cavity and its internal organs, while avoiding damage to the gastric mucosa caused by continuous negative pressure when the tube is attached to the wall.

[0023] This improved new nasogastric tube device consists of two parts, namely the internal guide wire ( Figure 2 ) and front-end automatic curling nasogastric tube ( Figure 3 ).

[0024] See Figure 3When the guide wire is not inserted, the front end of the nasogastric tube will automatically curl into a quasi-circular shape with a curling diameter of about 3-4 cm. The side holes of the gastric tube are regularly distributed on the inner side of the quasi-circular tube wall to prevent the side holes from sticking to the wall, resulting in poor drainage and continuous negative pressure suction after sticking to the wall to damage the gastric mucosa. The side holes of the gastric tube are adsorption holes used for negative pressure adsorption. Since they are located on the inner side of the tube wall of the curled portion 201, when the curled portion is in a curled state, the adsorption holes will not directly contact the stomach wall (such as Figure 3 ), thereby achieving the above functions.

[0025] See also Figure 4 , Figure 4 The guide wire 1 is shown after being inserted into the nasogastric tube. Since the nasogastric tube is made of transparent material, the guide wire inside is visible. After the guide wire is inserted, the front end will become a straight line along with the guide wire (see Figure 4 on the right side of the nose) to facilitate transnasal placement.

[0026] When in use, the guide wire 1 is inserted into the nasogastric tube 2. At this time, the front end of the nasogastric tube 2 becomes a straight line (such as Figure 4 ), the awake patient sits or semi-recumbent, the comatose patient lies flat with the head tilted back, check the patency of the nasal cavity, roughly measure the length from the nose tip through the earlobe to the xiphoid process, lubricate the front end of the nasogastric tube with paraffin oil, select the unobstructed nasal cavity and slowly insert it, remove the guide wire after inserting to the measured length, at this time the front end will automatically curl into a 3-4cm diameter circular shape (such as Figure 3 ), after confirming that the gastric tube is in the stomach, a negative pressure drainage device can be connected.

[0027] Advantages: The front end of the improved nasogastric tube device will change shape depending on whether the guidewire is inserted or not. When the guidewire is not inserted, the front end will automatically curl into a quasi-circular shape, and the side holes of the gastric tube are regularly distributed on the inner side of the quasi-circular tube wall to prevent poor drainage after the side holes adhere to the wall and continuous negative pressure suction after adherence to the wall to damage the gastric mucosa. After the guidewire is inserted, the front end will become straight with the guidewire, which is convenient for transnasal indwelling operation.

[0028] The utility model has a simple and reasonable structural design, which solves the clinical problem of poor drainage due to the adhesion of the nasogastric tube to the wall when using gastrointestinal decompression in cases of gastrointestinal obstruction and intra-abdominal hypertension, and at the same time avoids damage to the gastric mucosa caused by continuous negative pressure when the tube is adhered to the wall.

Claims

1. A nasogastric tube device, characterized in that: It comprises an internal guide wire (1) and a nasogastric tube (2); The front end of the nasogastric tube (2) has a curled portion (201), so that the curled portion of the nasogastric tube (2) is in a curled state in a natural state; When the guide wire (1) is inserted into the nasogastric tube (2), the curled portion (201) is straightened; The curled portion (201) is quasi-circular; The side holes of the gastric tube are regularly distributed on the inner side of the circular tube wall.

2. The nasogastric tube device according to claim 1, characterized in that: Adsorption holes for negative pressure adsorption are evenly distributed on the inner side of the tube wall of the curled portion (201).

3. The nasogastric tube device according to claim 2, characterized in that: The end hole of the end of the curled portion (201) is closed.

4. The nasogastric tube device according to claim 1, characterized in that: The circular-shaped diameter of the curled portion (201) is 3-4 cm.

5. The nasogastric tube device according to claim 1, characterized in that: The guide wire (1) and the nasogastric tube (2) are of equal length.

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