TWM558628U - Retractable nasogastric tube - Google Patents

Abstract

The present invention refers to a nasogastric tube comprising a body tube, an extracorporeal tube, a nostril stop device and a joint. The inner tube comprises a stomach end and a nose end, and the inner wall surface of the nose end is formed with a limiting portion; the extracorporeal tube is movably disposed in the inner tube, and comprises an extending end and a joint end, and the extending end is located in the body tube And selectively abutting against the limiting portion to prevent detachment of the extracorporeal tube; the nostril stop device is disposed at the nose end of the body tube; and the joint is disposed at the joint end of the extracorporeal tube. The present invention divides the nasogastric tube into an integral inner tube and an extracorporeal tube, and the outer tube is movably inserted into the inner tube to achieve the purpose of stretching, so as to solve the problem of being easily pulled when not in use, and It can be stretched for easy feeding when used, and does not cause the disadvantage of being inconvenient to carry and easy to lose.

Description

Telescopic nasogastric tube

This creation relates to a medical device, especially a nasogastric tube.

The nasogastric tube is a kind of hose that enters the nasal cavity of the human body and passes through the esophagus and then enters the stomach. The main purpose is to help the patients who cannot eat to feed the liquid food into the stomach through the nasogastric tube.

In the prior art, the old nasogastric tube is inserted into the stomach of the patient, and in order to retain the length for convenient feeding, there is still a section of the joint exposed outside the nasal cavity of the patient. Such a configuration is not elegant and easy to cause pulling, so that two protrusions are extended. Truncated nasogastric tube. As shown in Taiwan Patent Publication No. I438014, please refer to FIG. 6 and FIG. 7. The two-section nasogastric tube system causes the first section 91 to protrude only outside the patient's nasal cavity and is provided with a combiner 93, and then the second section 92. The coupler 93 is attached for convenient feeding, as shown in Figure 6, and the second segment 92 can be removed without feeding, as shown in Figure 7. Although this method solves the problem of unsightlyness and the tendency of the nasogastric tube to be pulled, it also causes the disadvantage of being inconvenient to carry and the risk of being easily lost.

In view of the above-mentioned shortcomings and deficiencies of the prior art, the present invention provides a telescopic nasogastric tube which is connected by means of an inner and outer tube telescopically, without the joint hanging outside the nasal cavity, and which can be stretched to facilitate feeding.

In order to achieve the above-mentioned creative purpose, the technical means adopted in the present invention is to design a telescopic nasogastric tube, which comprises: a body tube, which is a hose and comprises a stomach end and a nose end, the nose end forming a An opening, the inner wall surface of the nose end is formed with a limiting portion; an extracorporeal tube is a hose and is movably disposed in the body tube, the extracorporeal tube includes an extending end and a joint end, the extending end The end is located in the body tube, the limiting portion selectively abuts against the extending end and prevents the protruding end from being disengaged from the body tube; a nostril stop device is disposed at the nose end of the body tube; The connector is disposed at the joint end of the extracorporeal tube and has a through hole therein. One end of the through hole communicates with the extracorporeal tube, and the outer wall of the other end is provided with a cover, and the cover can close the through hole.

The invention has the advantages that the nasogastric tube is divided into an integral inner tube and an extracorporeal tube, and the joint portion is connected to the extracorporeal tube, and the outer tube having a small diameter is movably inserted through the large diameter tube. In the body tube, in order to achieve the purpose of stretching, the extracorporeal tube can be retracted into the body tube and the joint portion is fixed to the nose when it is not normally used, so as to solve the problem of being unsightly and susceptible to pulling; When eating, the extracorporeal tube can stretch the length relative to the position of the patient's nose, so that the joint portion extends to achieve the effect of easy feeding, and does not cause the disadvantage of being inconvenient to carry and easy to lose. In addition, the design of the restriction of the body tube and the extension of the extracorporeal tube has a limit function, so that the extracorporeal tube is not pulled away from the body tube when stretched to the extreme position. Moreover, the end of the body tube exposed to the outside of the nose has a nostril stop device to avoid accidentally pushing the body tube into the patient.

Further, the telescopic nasogastric tube, wherein the limiting portion of the inner tube is a ring flange protruding from a periphery of the opening of the nose end.

Further, the telescopic nasogastric tube further comprises a protruding block fixed to the stomach end and having a hemispherical shape.

Further, the telescopic nasogastric tube, wherein the extending end of the extracorporeal tube is harder than the remainder of the extracorporeal tube.

Further, the telescopic nasogastric tube, wherein the protruding end of the extracorporeal tube is harder than the inner tube.

Further, the telescopic nasogastric tube, wherein the nostril stop device is a two-piece body, the two bodies extend outwardly perpendicular to an outer wall surface of the inner tube.

Further, the telescopic nasogastric tube further comprises a plurality of perforations, each of the perforations being disposed on a wall adjacent to the stomach end.

The technical means adopted by the present invention for achieving the intended purpose of creation are further explained below in conjunction with the drawings and the preferred embodiment of the present invention.

Referring to FIG. 1 and FIG. 2, the telescopic nasogastric tube of the present invention comprises a body tube 10, an extracorporeal tube 20, a nostril stop device 30, and a joint 40.

Referring to FIG. 1 and FIG. 2, the inner tube 10 is a hose and includes a stomach end 11 and a nose end 12. The nose end 12 defines an opening, and the inner wall surface of the nose end 12 defines a limiting portion 121. In this embodiment, the limiting portion 121 is formed by a ring flange protrudingly formed on the periphery of the opening of the nose end 12, but not limited thereto, the limiting portion 121 may be formed by the inner diameter of the inner diameter 12 The wall surface may also be formed on the inner wall surface of the nose end 12 in the form of a bump or any form, and only the range of movement of the extracorporeal tube 20 may be restricted.

In addition, the body tube 10 further includes an intrusion block 13 and a plurality of perforations 14. The protruding block 13 is fixed on the stomach end 11, which is hemispherical but not limited thereto. The protruding block 13 is used to facilitate the extension of the body tube 10 into the human body, so that only a smooth surface shape can achieve this effect. And the perforations 14 are disposed on the wall surface of the body tube 10 adjacent to the stomach end 11, but not limited thereto, the wall surface of the body tube 10 may not include the perforation 14, and only a through hole may be provided at the stomach end 11 Liquid food can flow into the stomach of the human body.

The aforementioned nostril stop device 30 is provided on the outer wall surface of the nose end 12 of the body tube 10. In the present embodiment, the nostril stop device 30 is a two-piece body, and the two-piece body extends outwardly perpendicular to the outer wall surface of the body tube 10, but not limited thereto, the nostril stop device 30 may not be perpendicular to the body. The outer wall surface of the tube 10 may not be a two-piece body, and it is only required to abut against the nostrils and prevent the inner tube 10 from slipping into the human body through the nostrils.

Referring to Figures 1 and 2, the extracorporeal tube 20 is a hose and is movably disposed within the body tube 10. The extracorporeal tube 20 includes an extending end 21 and a joint end 22, and the extending end 21 is located in the body tube 10, and the limiting portion 121 selectively abuts against the extending end 21 and prevents the extending end 21 from being disengaged from the body tube 10. Specifically, in the embodiment, the extending end 21 is a tube having a diameter between the tube diameter of the body tube 10 and the opening diameter of the nose end 12, and is movably disposed in the body tube 10, And when the extracorporeal tube 20 is stretched to the limit position, it abuts against the limiting portion 121, so that the extracorporeal tube 20 can not be separated from the body tube 10 because the protruding end 21 is stopped by the limiting portion 121, but the diameter of the tube is not Alternatively, the extending end 21 may include a bump or an arbitrary structure formed on the outer wall surface thereof, and may abut against the limiting portion 121 and achieve a limit.

Moreover, in the present embodiment, the extension end 21 of the extracorporeal tube 20 is stiffer than the remainder of the extracorporeal tube 20, and the extension end 21 of the extracorporeal tube 20 is stiffer than the body tube 10 for facilitating the extracorporeal tube. 20 is worn and moved within the body tube 10, but not limited thereto, and the same hardness but a smooth surface can be used to achieve the same purpose material.

Referring to FIG. 2, the connector 40 is disposed at the connector end 22 of the extracorporeal tube 20 and is internally provided with a through hole 41. One end of the through hole 41 communicates with the extracorporeal tube 20, and the other end is provided with a cover 42 on the outer wall surface. The cover 42 can close the through hole 41. Specifically, in the present embodiment, the cover 42 is a plug body that is inserted into and closes the through hole 41, but not limited thereto. The cover 42 may also be a cap that is sleeved at one end of the joint 40 and closed. Through hole 41.

When the present invention is placed in the human body, as shown in FIG. 4 and FIG. 5, the stomach end 11 of the body tube 10 is inserted from the nostril of the human body, passes through the nasal cavity and the esophagus and then enters the stomach of the human body, and the nostril stop device 30 abuts against the nostrils of the human body. . In the general state, as shown in FIG. 4, the extracorporeal tube 20 extends into the body tube 10, and the joint 40 is located outside the nostril and abuts against the lip; and when used, the joint 40 is pulled by the extracorporeal tube 20 as shown in FIG. Extend away from the nostrils and open the cover 42 of the connector 40 to connect an external device for feeding. Thereby, the present invention can enable the patient to fix the joint 40 outside the nostril in a non-use state without being unsightly due to an excessively long pipeline, and can avoid the problem of inadvertently being pulled due to an excessively long pipeline, and in the patient When filling, the joint 40 can be stretched to facilitate connection to an external device for convenient feeding.

The above description is only a preferred embodiment of the present invention, and does not impose any form limitation on the present invention. Although the present invention has been disclosed above in the preferred embodiment, it is not intended to limit the present creation, and has any technical field. A person skilled in the art can make some modifications or modifications to equivalent embodiments by using the above-disclosed technical contents without departing from the technical scope of the present invention. The technical essence of the creation Any simple modification, equivalent change and modification of the above embodiments are still within the scope of the technical solution of the present invention.

10‧‧‧ body tube
11‧‧‧ stomach end
12‧‧‧nose
121‧‧‧Limited Department
13‧‧‧Intrusion block
14‧‧‧Perforation
20‧‧‧External tube
21‧‧‧reaching
22‧‧‧ connector end
30‧‧‧ Nose stop device
40‧‧‧Connectors
41‧‧‧through hole
42‧‧‧ Cover
91‧‧‧ first paragraph
92‧‧‧ second paragraph
93‧‧‧ combiner

Figure 1 is a side view of the appearance of the present creation. Figure 2 is a schematic illustration of the stretching of the extracorporeal tube of the present invention in a body tube. Figure 3 is a schematic illustration of the contraction of the extracorporeal tube of the present invention in a body tube. Figure 4 is a schematic diagram of the present invention placed in the human body. Figure 5 is a schematic diagram of the state of use of the present creation. Figure 6 is a schematic view showing the use of a two-section nasogastric tube of the prior art. Figure 7 is a schematic view showing the use of a two-section nasogastric tube of the prior art.

Claims (7)

A telescopic nasogastric tube comprising: a body tube, which is a hose and includes a stomach end and a nose end, the nose end forming an opening, the inner wall surface of the nose end is formed with a limiting portion; a hose that is movably disposed in the body tube, the extracorporeal tube including an extending end and a joint end, the extending end being located in the body tube, the limiting portion selectively abutting And the nose end stop device is disposed at the nose end of the body tube; a joint is disposed at the joint end of the extracorporeal tube and is internally provided with a a through hole, one end of the through hole communicates with the extracorporeal tube, and the outer wall of the other end is provided with a cover, and the cover can close the through hole. The telescopic nasogastric tube of claim 1, wherein the limiting portion of the inner tube is a ring flange projecting from a periphery of the opening of the nose. The telescopic nasogastric tube according to claim 1 or 2, wherein the body tube further comprises a protruding block fixed to the stomach end and having a hemispherical shape. The telescopic nasogastric tube of claim 1 or 2, wherein the extended end of the extracorporeal tube is stiffer than the remainder of the extracorporeal tube. The telescopic nasogastric tube of claim 1 or 2, wherein the extravasive end of the extracorporeal tube is stiffer than the inner tube. The telescopic nasogastric tube of claim 1 or 2, wherein the nostril stop device is a two-piece body that extends outwardly perpendicular to an outer wall surface of the body tube. The telescopic nasogastric tube of claim 1 or 2, wherein the body tube further comprises a plurality of perforations, each of the perforations being disposed adjacent to a wall surface of the stomach end.