CN213666847U

CN213666847U - Stomach tube

Info

Publication number: CN213666847U
Application number: CN202022318758.3U
Authority: CN
Inventors: 彭宇
Original assignee: Affiliated Hospital of Southwest Medical University
Current assignee: Affiliated Hospital of Southwest Medical University
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-07-13
Anticipated expiration: 2030-10-16

Abstract

The utility model provides a stomach tube, novel medical treatment auxiliary appliance technical field is related to solve among the prior art stomach tube and go out the liquid hole and produce amazing problem to the human mucous membrane easily at the intubate in-process, this stomach tube includes body (1), the bottom of body is provided with out liquid hole (2), it runs through to go out liquid hole (2) the pipe wall (3) of body set up, the aperture that goes out liquid hole (2) is enlarged gradually to pipe wall lateral surface (32) by pipe wall medial surface (31), makes it is in to go out liquid hole (2) the aperture of pipe wall medial surface (31) is less than go out the liquid hole and be in the aperture of pipe wall lateral surface (32). The utility model discloses a stomach tube has reduced effectively and has gone out the stimulation of liquid hole at the in-process of intubate to the human mucous membrane, and the misery when reducing patient's intubate guarantees going on smoothly of intubate, increases the success rate of intubate.

Description

Stomach tube

Technical Field

The utility model relates to the technical field of medical auxiliary appliances, in particular to a stomach tube.

Background

The stomach tube is inserted from the nostril, passes through the pharynx and reaches the stomach through the esophagus, is mostly used for pumping gastric juice, is used for gastric lavage during acute poisoning, and can also be used for injecting liquid into the stomach to provide necessary food and nutrition for patients.

The liquid outlet hole is generally arranged at the bottom of the existing stomach tube, and liquid flows out of the liquid outlet hole through the stomach tube and enters the stomach. The liquid outlet hole of the traditional stomach tube is uniformly equal in size from the inner side of the tube wall to the outer side of the tube wall, the liquid outlet hole of the stomach tube easily produces cutting effect on tissues such as mucosa in the process of intubation, stimulation conditions such as bleeding can occur, damage is caused to a human body, and pain of a patient is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stomach tube to solve among the prior art stomach tube and go out the liquid hole and produce amazing problem to the human mucous membrane easily at the intubate in-process, the utility model discloses a stomach tube has reduced effectively and has gone out the liquid hole to the stimulation of human mucous membrane at the in-process of intubate, and misery when reducing patient's intubate guarantees going on smoothly of intubate, increases the success rate of intubate.

The utility model provides a pair of stomach tube, including a pipe body, the bottom of body is provided with out the liquid hole, it runs through to go out the liquid hole the pipe wall setting of body, the aperture that goes out the liquid hole is enlarged gradually to the pipe wall lateral surface by the pipe wall medial surface, makes it is in to go out the liquid hole the aperture of pipe wall medial surface is less than go out the liquid hole and be in the aperture of pipe wall lateral surface.

As an optimal scheme of the utility model, it is oval to go out the liquid hole, it follows to go out the liquid hole the length direction setting of body.

As an optimized scheme of the utility model, the lateral wall of play liquid hole respectively with the pipe wall medial surface with pipe wall lateral surface smooth connection.

As a preferred scheme of the utility model, it includes a plurality ofly, a plurality of to go out the liquid hole and follow the circumference of body evenly sets up.

As an optimized scheme of the utility model, it is heliciform to go out the liquid hole, the heliciform go out the liquid hole encircle in the circumference setting of body.

As a preferred scheme of the utility model, it includes two, two to go out the liquid hole and follow the circumference of body evenly sets up.

As an optimal scheme of the utility model, the pipe wall lateral surface of body has set gradually antibacterial coating and hydrophilic lubricating layer from inside to outside.

As an optimal proposal of the utility model, the inner side surface of the pipe wall of the pipe body is provided with a hydrophilic lubricating layer.

As an optimal proposal of the utility model, the side wall of the liquid outlet hole is provided with a hydrophilic lubricating layer.

As a preferable embodiment of the present invention, the hydrophilic lubricating layer is polyvinylpyrrolidone or polyethylene glycol.

Compared with the prior art, the utility model discloses there is following positive effect:

1. the utility model provides a stomach tube, through setting up the body, the bottom of body is provided with out the liquid hole, goes out the pipe wall setting that the liquid hole runs through the body, and the aperture that goes out the liquid hole is enlarged gradually to the pipe wall lateral surface by the pipe wall medial surface, makes the aperture of going out the liquid hole at the pipe wall medial surface be less than the aperture of going out the liquid hole at the pipe wall lateral surface. The lateral wall that makes out the liquid hole is the inclined plane of slope to pipe wall lateral surface one side from pipe wall medial surface one side, is equipped with the contained angle between this inclined plane and the footpath of body, makes the stomach tube reduce the lateral wall that goes out the liquid hole when the intubate to the resistance of tissues such as mucosa, and then avoids the lateral wall fish tail gastric mucosa that goes out the liquid hole, reduces the stimulation of the lateral wall that goes out the liquid hole to human internal tissue, makes the intubate process safe and comfortable, reduces the risk of intubate difficulty.

2. The embodiment of the utility model provides a stomach tube has set gradually antibacterial coating and hydrophilic lubricating layer through the pipe wall lateral surface at the body from inside to outside. The hydrophilic coating can reduce the friction coefficient, reduce the stimulation to the gastric mucosa, reduce the damage to the gastric mucosa, reduce the spasm that the stimulation arouses when settling the stomach tube, reduced the risk of intubate difficulty. The setting of antibiotic coating makes the body have better antibacterial capacity, has lasting anti-infectious ability, can be in the human body longer.

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 the drawings without creative efforts.

Fig. 1 is a schematic structural view of a gastric tube according to the present invention;

fig. 2 is a cross-sectional view of a gastric tube of the present invention;

fig. 3 is a schematic structural view of a gastric tube according to the second embodiment;

fig. 4 is a schematic view of a tube wall structure in the third embodiment.

In the figure: 1. a pipe body; 2. a liquid outlet hole; 21. a side wall; 3. a tube wall; 31. an inner side surface; 32. an outer side surface; 4. a hydrophilic lubricating layer; 5. and (4) an antibacterial coating.

Detailed Description

In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present invention and simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Example 1:

the gastric tube provided by the embodiment, as shown in fig. 1-4, comprises a tube body 1, wherein a liquid outlet hole 2 is formed at the bottom of the tube body, and the liquid outlet hole 2 is arranged through a tube wall 3 of the tube body. The aperture of the liquid outlet hole 2 is gradually enlarged from the inner side surface 31 of the tube wall to the outer side surface 32 of the tube wall, so that the aperture of the liquid outlet hole 2 on the inner side surface 31 of the tube wall is smaller than that of the liquid outlet hole on the outer side surface 32 of the tube wall. The side wall 21 of the liquid outlet hole is an inclined plane which forms an included angle with the radial direction of the pipe body 1, so that the liquid outlet hole forms a horn-shaped structure from the inner side surface of the pipe wall to the outer side surface of the pipe wall. Preferably, the cross-section of the liquid outlet hole 2 is trapezoidal. This embodiment is through being enlarged gradually by pipe wall medial surface 31 to pipe wall lateral surface 32 in the aperture of going out liquid hole 2, the lateral wall 21 that makes out the liquid hole is the inclined plane of 31 one side of pipe wall medial surface to pipe wall lateral surface lopsidedness, be equipped with the contained angle between this inclined plane and the radial of body 1, make the stomach tube reduce the lateral wall 21 in liquid hole when the intubate to the resistance of tissues such as mucosa, avoid going out the 21 fish tail gastric mucosa of lateral wall in liquid hole, the lateral wall 21 that reduces out the liquid hole is to the stimulation of internal tissue, make intubate process safety and comfort, and then reduce the damage to internal tissue, reduce the risk of intubate difficulty, general stomach tube is solved because the amazing problem of the platform column structure of the lateral wall in liquid hole to tissues such as mucosa.

As a preferred technical solution of this embodiment, the liquid outlet holes 2 are opened by flame polishing, so that the side walls 21 of the liquid outlet holes are smoother, and the shapes of the liquid outlet holes 2 are more regular.

As a preferable configuration of the present embodiment, as shown in fig. 1, the liquid outlet 2 is formed in an elliptical shape, and the liquid outlet 2 is provided along the longitudinal direction of the tube body 1. The stomach tube of this embodiment reduces the area of play liquid hole 2 in horizontal contact human internal tissue, reduces the intubate resistance through the length direction setting with oval-shaped play liquid hole 2 along body 1. Meanwhile, the oval liquid outlet holes 2 in the length direction of the tube body 1 enable the longitudinal area of the liquid outlet holes 2 to be increased, the resistance of the stomach tube in feeding is reduced, and meanwhile, the liquid outlet holes 2 can be prevented from being blocked.

As the preferred technical scheme of this embodiment, the side wall 21 of the liquid outlet hole is respectively connected with the inner side surface 31 of the tube wall and the outer side surface 32 of the tube wall smoothly, so that the liquid outlet hole is in a non-angular shape, the stimulation of the liquid outlet hole 2 to the tissues in the human body is further reduced, and the tube body is more comfortable when contacting with the tissues in the human body.

As the preferred technical scheme of this embodiment, go out liquid hole 2 and include a plurality ofly, a plurality of liquid holes 2 evenly set up along the circumference of body 1. Nutrient solution flows to inside along body 1, and the bottom of body 1 is provided with a plurality of liquid holes 2 along the peripheral evenly distributed of body 1 to a plurality of liquid holes 2 size unanimity of going out make the liquid food can flow smoothly, be convenient for to patient's input nutrition and moisture, increase the practicality of stomach tube. Preferably, the body is the silica gel material, and the difficult fish tail patient's skin of material of soft silica gel.

Example 2

In this embodiment, as another embodiment of embodiment 1, as shown in fig. 3, the liquid outlet holes 2 are spiral, and the spiral liquid outlet holes 2 are arranged around the circumference of the tube body 1. Under the condition of the same opening area and the same wall thickness of the liquid outlet holes 2, the spiral liquid outlet holes 2 are uniformly stressed on the periphery of the pipe wall, so that the probability that the pipe body 1 is squeezed and deformed by external force such as internal tissue of a human body is effectively reduced while the strength of the pipe body around the opening part is ensured to the maximum extent. The spiral liquid outlet hole 2 can greatly increase the opening area and effectively improve the liquid flow in unit time; the blockage of the liquid outlet hole 2 can be effectively prevented by the increased area of the opening hole; in addition, when the blockage with larger volume exists, the stomach tube can reversely rotate along the spiral opening direction of the liquid outlet hole 2, the liquid outlet hole 2 is opened, the expansion and the reset of the opening area of the liquid outlet hole 2 can be completed, the blockage is extruded and crushed by the tube wall, and the blockage problem is solved.

As a preferred technical solution of this embodiment, as shown in fig. 3, the liquid outlet holes 2 include two liquid outlet holes 2, and the two liquid outlet holes 2 are uniformly arranged along the circumferential direction of the tube body 1. Two play liquid hole 2 are the heliciform and encircle on body 1, can make the trompil area maximize of going out liquid hole 2 when guaranteeing body 1 intensity.

Example 3

As a preferred technical solution of this embodiment, as shown in fig. 4, the tube wall outer side surface 32 of the tube body is provided with the antibacterial coating 5 and the hydrophilic lubricating layer 4 in this order from inside to outside. Generally, a medical polyurethane material is used for the stomach tube, the medical polyurethane material is a hydrophobic material, the surface of the medical polyurethane material has no lubricity, and temporary lubricity is obtained by coating a lubricant or a gel coating on the outer side of the stomach tube during use, but the medical polyurethane material cannot be durable and is easy to generate pollution. Gastric tubes are typically used in environments where body fluids come into contact, while in water environments, highly hydrophilic materials are more likely than highly hydrophobic materials to reduce surface adsorption of cells and proteins. Therefore, the surface lubricity is increased through the hydrophilic modification of the stomach tube surface. The stomach tube with the hydrophilic coating can reduce the friction coefficient, reduce the stimulation to the gastric mucosa, reduce the damage to the gastric mucosa, reduce the spasm that the stimulation arouses when settling the stomach tube to the risk of intubate difficulty has been reduced. The arrangement of the antibacterial coating 5 enables the pipe body to have better antibacterial ability, lasting anti-infection ability and be in the human body for a long time. The antibacterial coating 5 is prepared by copolymerizing polyhexamethylene biguanide with non-thrombogenic polyethylene glycol and a stable monomer, and preparing a stable and durable coating in a non-leaching way. During production, the outer surface of the pipe body is coated with an antibacterial coating 5, and after the antibacterial coating is solidified, the antibacterial coating 5 is coated with a hydrophilic lubricating layer 4. When in clinical use, the tube body can be lubricated on the surface of the tube body only by soaking the tube body in normal saline or purified water for about 10 seconds.

In this embodiment, as a specific implementation manner of embodiment 1, as shown in fig. 4, a hydrophilic lubricating layer 4 is disposed on the inner side surface 31 of the tube wall of the tube body, so that the liquid food is not easy to adhere to the surface of the inner wall, the liquid food blockage is effectively prevented, and the number of times of cleaning the indwelling gastric tube is greatly reduced.

As the preferred technical scheme of this embodiment, lateral wall 21 of the liquid outlet hole is provided with hydrophilic lubricating layer 4, so that lateral wall 21 of the liquid outlet hole is lubricated, and irritation of liquid outlet hole 2 to internal tissues in the process of intubation is reduced.

As a preferable technical solution of this embodiment, the hydrophilic lubricating layer 4 is polyvinylpyrrolidone or polyethylene glycol. In addition, the hydrophilic lubricating layer 4 may be made of other hydrophilic materials, such as a polytetrafluoroethylene film formed by vapor deposition, or a polymerized hydrophilic monomer grafted by ultraviolet rays, such as hydrophilic polyurethane.

For the structural parts of the gastric tube not described in the present invention, it is the prior art.

The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can make several modifications and improvements without departing from the inventive concept, and all shall be covered by the protection scope of the present invention.

Claims

1. The utility model provides a stomach tube, its characterized in that, includes body (1), the bottom of body is provided with out liquid hole (2), it runs through to go out liquid hole (2) pipe wall (3) setting of body, the aperture of going out liquid hole (2) is enlarged gradually to pipe wall lateral surface (32) by pipe wall medial surface (31), makes it is in to go out liquid hole (2) the aperture of pipe wall medial surface (31) is less than it is in to go out the liquid hole the aperture of pipe wall lateral surface (32).

2. A gastric tube according to claim 1, wherein said exit opening (2) is oval shaped, said exit opening (2) being arranged along the length of said tube (1).

3. A gastric tube according to claim 2, wherein the lateral walls (21) of said exit opening are smoothly connected to said inner (31) and outer (32) tubular walls, respectively.

4. A gastric tube according to claim 3, wherein said exit opening (2) comprises a plurality of exit openings (2) arranged uniformly along the circumference of said tube body (1).

5. A gastric tube according to claim 1, wherein said exit opening (2) is helical, said helical exit opening (2) being arranged circumferentially around said tube body (1).

6. A gastric tube according to claim 5, characterized in that said exit holes (2) comprise two, two exit holes (2) being arranged uniformly along the circumference of said tube body (1).

7. A gastric tube according to claim 1, wherein the outer side (32) of the tube wall of the tube body is provided with an antibacterial coating (5) and a hydrophilic lubricating layer (4) from inside to outside in sequence.

8. A gastric tube according to claim 1, characterized in that the inner side (31) of the tube wall of the tube body is provided with a hydrophilic lubricating layer (4).

9. A gastric tube according to claim 1, wherein the lateral wall (21) of the exit opening is provided with a hydrophilic lubricating layer (4).

10. A gastric tube according to any one of claims 7 to 9, wherein said hydrophilic lubricating layer (4) is polyvinylpyrrolidone or polyethylene glycol.