CN212326983U

CN212326983U - Visual disposable nasogastric tube

Info

Publication number: CN212326983U
Application number: CN202020336567.7U
Authority: CN
Inventors: 刘翠梅; 袁芳
Original assignee: Shanghai Yishen Industry And Trade Co ltd
Current assignee: Shanghai Yishen Industry And Trade Co ltd
Priority date: 2020-03-17
Filing date: 2020-03-17
Publication date: 2021-01-12
Anticipated expiration: 2030-03-17

Abstract

The utility model provides a visual disposable nasogastric tube, include: the nasal gastrointestinal nutrition tube is arranged on the outermost layer; the perspective optical fiber catheter sheath is positioned in the nasal and gastrointestinal nutrition tube, the tail end of the perspective optical fiber catheter sheath is connected with the tail end of the nasal and gastrointestinal nutrition tube into a whole through a clamping structure, and the perspective optical fiber catheter sheath extends out of the end part of the nasal and gastrointestinal nutrition tube; the visible optical fiber kit is positioned in the tube of the see-through optical fiber catheter sheath and comprises a cold light source and an optical fiber main body for distinguishing gastrointestinal tract tissue images, the cold light source is arranged at the tail end of the optical fiber main body, and the head end of the optical fiber main body is close to the tail end of the see-through optical fiber catheter sheath so as to isolate the optical fiber from contacting the outside and form protection on the optical fiber; the nasal and gastrointestinal nutrition tube, the see-through optical fiber catheter sheath and the visual optical fiber suite are coaxially arranged to form an integral structure. The utility model discloses because visual lower operation is safe, reliable, the patient tolerates well, the comfort level is high, and need not to do the X-ray machine plain film after putting the pipe and confirm the diagnosis again, ensures that 100% can successfully put the pipe until the jejunum.

Description

Visual disposable nasogastric tube

Technical Field

The utility model relates to a medical treatment consumptive material disposable nasal gastrointestinal nutrition tube specifically, relates to a visual disposable nasal gastrointestinal tube.

Background

A disposable nasogastric tube is a tube for enteral nutrition solution infusion to a patient by nasal feeding. Generally, the principle of human engineering is adopted, so that right angles are avoided, and the generation of cavity channel stenosis and blockage in the use process is effectively reduced; meanwhile, the product is made of medical TPU, silica gel and other materials with good biocompatibility, is resistant to acid and alkali corrosion, and has good thermal plasticity. However, the existing method for placing the disposable nasogastric-intestinal tube is mainly that medical care personnel blindly insert the tube by bare hands. Has high technical requirements on medical staff and is difficult to achieve the 100 percent success rate of tube placement. In order to ensure safety, the gastrointestinal part must be irradiated by an X-ray machine for confirmation.

At present, a disposable nasogastric tube which is convenient to operate and high in tube placing success rate needs to be developed.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims at providing a visual disposable nasogastric tube.

The utility model provides a visual disposable nasogastric tube, include:

the nasal gastrointestinal nutrition tube is arranged on the outermost layer;

the perspective optical fiber catheter sheath is positioned in the nasal and gastrointestinal nutrition tube, the tail end of the perspective optical fiber catheter sheath is connected with the tail end of the nasal and gastrointestinal nutrition tube into a whole through a clamping structure, and the tail end of the perspective optical fiber catheter sheath extends out of the head end part of the nasal and gastrointestinal nutrition tube;

the visible optical fiber kit is positioned in the tube of the see-through optical fiber catheter sheath and comprises a cold light source and an optical fiber main body for distinguishing gastrointestinal tract tissue images, the cold light source is arranged at the tail end of the optical fiber main body, and the head end of the optical fiber main body is close to the tail end of the see-through optical fiber catheter sheath so as to isolate the optical fiber from contacting the outside and form protection on the optical fiber;

the nasal and gastrointestinal nutrition tube, the see-through optical fiber catheter sheath and the visual optical fiber suite are coaxially arranged to form an integral structure.

Preferably, the nasogastric and intestinal nutrient canal comprises a canal body, and a side leakage hole is formed in the head end of the canal body; the tail end of the pipe body is provided with a hollow first horn-shaped component, and a cavity of the first horn-shaped component is communicated with a cavity of the pipe body; and a main cavity choke plug is arranged at the outlet of the first trumpet-shaped component and used for opening or closing the outlet of the first trumpet-shaped component.

Preferably, a side cavity opening and a side cavity opening plug are arranged on the side face of the first horn-shaped component, the side cavity opening is communicated with the cavity of the pipe body, and the side cavity opening plug is used for closing or opening the side cavity opening.

Preferably, the nasal and gastrointestinal nutrition tube is a disposable nasal and gastrointestinal nutrition tube.

Preferably, the see-through fiber optic catheter sheath comprises a catheter sheath tube having a length matching the length of the naso-gastrointestinal nutrition tube; the head end of the catheter sheath tube body is provided with a seal head, and the catheter sheath tube body forms a channel with a closed head end and an open tail end; the tail end of the catheter sheath body is provided with a hollow second horn-shaped component, and a cavity of the second horn-shaped component is communicated with the channel.

Preferably, be equipped with annular protrusion on the outer wall of second tubaeform part, annular protrusion with the inner wall in the exit of the terminal of nose intestines and stomach nutrition pipe forms the joint structure makes the end of perspective optic fibre pipe sheath with the terminal of nose intestines and stomach nutrition pipe passes through the joint fixed as an organic whole.

Preferably, the perspective optical fiber catheter sheath adopts a disposable perspective optical fiber catheter sheath.

Preferably, the visible optical fiber kit further comprises a cold light source switch, and the cold light source switch is connected with the cold light source and used for turning on or off the cold light source.

Preferably, the cold light source is an LED display.

Preferably, the length of the fiber body is greater than the length of the naso-gastrointestinal feeding tube.

Compared with the prior art, the utility model discloses at least one kind's beneficial effect as follows has:

the above structure of the utility model, through setting up perspective optic fibre pipe sheath and visual optic fibre external member, make put the pipe because visual operating safety, reliable down, the patient tolerates well, the comfort level is high, and need not to do the X-ray machine plain film after putting the pipe and diagnose certainly, ensures that 100% can successfully put the pipe until the jejunum.

In the above structure of the utility model, the cold light source is adopted, the tissue of burning can be avoided.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of a disposable visual nasogastric tube according to a preferred embodiment of the present invention;

FIG. 2 is a schematic view of a preferred embodiment of the nasogastric intestinal nutrient tube of the present invention;

FIG. 3 is a schematic view of a perspective fiber sheath according to a preferred embodiment of the present invention;

fig. 4 is a schematic structural diagram of a visual optical fiber kit according to a preferred embodiment of the present invention;

the numbers in the figures are indicated as: 1 is a nasal gastrointestinal nutrition tube, 2 is a perspective optical fiber catheter sheath, 3 is a visual optical fiber kit, 101 is a catheter body, 102 is a side leakage hole, 103 is a head end of the catheter body, 104 is a first trumpet-shaped component, 105 is a main cavity opening, 106 is a main cavity opening plug, 107 is a side cavity opening, 108 is a side cavity opening plug, 201 is a head end of the catheter sheath body, 202 is a seal head, 203 is a catheter sheath body, 204 is a second trumpet-shaped component, 205 is an annular bulge, 301 is an optical fiber main body, 302 is a head end of the optical fiber main body, 303 is a cold light source switch, and 304 is an LED display.

Detailed Description

The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.

Referring to fig. 1, for the utility model discloses a structural schematic diagram of visual disposable nasal gastrointestinal tube of an embodiment, this disposable nasal gastrointestinal tube operates under visual, accomplishes the operation of putting the pipe of nasal feeding jejunum nutrient canal to the disease, and disposable nasal gastrointestinal tube forms overall structure by nasal gastrointestinal nutrient canal 1, perspective optic fibre catheter sheath 2 and the coaxial setting of visual optic fibre external member 3.

Specifically, the naso-gastric nutrition tube 1 is disposed on the outermost layer. The perspective optical fiber conduit sheath 2 is positioned in the nasal and gastrointestinal nutrition tube 1, the head end of the perspective optical fiber conduit sheath 2 is concentrically connected with the head end of the nasal and gastrointestinal nutrition tube 1, and the tail end of the perspective optical fiber conduit sheath is connected with the tail end of the nasal and gastrointestinal nutrition tube 1 into a whole through a clamping structure and extends out of the head end part of the nasal and gastrointestinal nutrition tube 1. Visual optic fibre external member 3 is located perspective fiber catheter sheath 2's intraductal, and visual optic fibre external member 3 includes cold light source and the optic fibre main part 301 that is used for discerning gastrointestinal tract tissue image, and the cold light source sets up in optic fibre main part 301's end, and the head end 302 of optic fibre main part is close to the end of perspective fiber catheter sheath 2 to isolated optic fibre forms the protection to optic fibre to external contact.

In the specific implementation of the embodiment, the head end of the see-through optical fiber catheter sheath 2 is inserted from the tail end of the nasogastric and intestinal nutrition tube 1, and the tail ends of the see-through optical fiber catheter sheath and the nasogastric and intestinal nutrition tube are clamped firmly through the clamping structure to form a relative whole; then the head end of the visual optical fiber external member 3 is inserted into the head end of the visual optical fiber catheter sheath 2 from the tail end of the visual optical fiber catheter sheath 2, and the tail end can be fixed by using an adhesive tape for convenient operation, so that the visual optical fiber catheter sheath 2 and the visual optical fiber external member 3 form a relative whole. The cold light source of the visible optical fiber suite 3 is turned on to verify the light transmittance and visibility. The tube can be operated after the light transmission and the visibility are not problematic. Through visual operation, the nasal cavity enters the esophagus and then reaches the stomach, the pylorus is found through the visualization in the stomach, the pylorus passes through the stomach, after the pylorus reaches the jejunum, the nasogastric and intestinal nutrient canal 1 is fixed, finally, the visual optical fiber kit 3 is taken out, the transparent optical fiber catheter sheath 2 is taken out, and the whole nasogastric and intestinal nutrient canal 1 is placed. The success rate of the jejunum placed by the method reaches 100 percent. Meanwhile, the operation is carried out under visualization, so that the safety and reliability of the tube placement process are ensured, and 100 percent of the nasogastric-intestinal tube can enter duodenum to jejunum through pylorus.

In other preferred embodiments, referring to fig. 2, the nasogastric and intestinal nutrition tube 1 comprises a tube body 101, a plurality of side leakage holes 102 are formed in a head end 103 of the tube body, the side leakage holes 102 are radial through holes of the tube body 101, the plurality of side leakage holes 102 are uniformly distributed on an outer wall of the tube body 101, and the side leakage holes 102 increase liquid output and can prevent a main liquid outlet from being blocked. The end of the tube 101 is provided with a hollow first trumpet-shaped component 104, and the structure of the first trumpet-shaped component 104 can be matched with the pipeline of the general nutrition infusion pump and is convenient to fix with a buckle. The cavity of the first horn-shaped component 104 is communicated with the cavity of the tube body 101; at the outlet of the first trumpet 104 (i.e., the main outlet 105) is provided a main outlet plug 106 for opening or closing the outlet of the first trumpet 104 (the main outlet 105). The structural shape of the tail end of the tube body 101 is matched with the tail end of the see-through optical fiber catheter sheath 2, so that a relative whole is easily formed, and the follow-up operation is convenient.

In other preferred embodiments, referring to fig. 2, the first trumpet-shaped member 104 is provided with a side port 107 and a side port plug 108 on the side surface, the side port 107 is communicated with the cavity of the tube body 101, and the side port plug 108 is used for closing or opening the side port 107. The function of the side cavity opening 107 and the side cavity plug is to allow the side cavity to be used for operation when the main cavity is occupied. In specific implementation, when feeding or administration is stopped, the side cavity opening plug 108 seals the feeding opening and the administration opening, so that the cavity can be kept closed, and the effect of ensuring the cleanness of the cavity and avoiding the pollution of the cavity is achieved.

In other partially preferred embodiments, the naso-gastrointestinal nutrient tube 1 is a disposable naso-gastrointestinal nutrient tube; the length of the disposable nasogastric-intestinal nutrition tube 1 is 500-1600mm, the outer diameter of the tube is 3.0-7.0mm, and the inner diameter of the tube is 2.0-6.0 mm.

In other preferred embodiments, and with reference to FIG. 3, the see-through fiber optic sheath 2 includes a sheath tube 203, the length of the sheath tube 203 matching the length of the nasogastric feeding tube 1. For example: the length of the nasal and gastrointestinal nutrition tube 1 is 1400mm, and the length of the corresponding catheter sheath tube 203 is 1400 +/-2 mm, so that the lengths of the two are matched. The head end 201 of the catheter sheath tube is provided with a transparent visible seal head 202, and the catheter sheath tube 203 forms a channel with a closed head end and an open tail end, so that the catheter sheath becomes a catheter sheath with closed other parts except the tail end channel. The tail end of the catheter sheath tube 203 is provided with a hollow second trumpet-shaped component 204, and the cavity of the second trumpet-shaped component 204 is communicated with the channel.

In other preferred embodiments, referring to fig. 3, an annular protrusion 205 is disposed on an outer wall of the second trumpet-shaped component 204, and the annular protrusion 205 and an inner wall of the outlet of the first trumpet-shaped component 104 form a clamping structure, so that the first trumpet-shaped component and the first trumpet-shaped component are fixed into a whole through clamping.

In some other preferred embodiments, the see-through fiber optic catheter sheath 2 is a disposable see-through fiber optic catheter sheath. The disposable perspective optical fiber conduit sheath has an outer diameter of 1.5-5.0mm and an inner diameter of 1.0-4.0 mm.

In other partially preferred embodiments, and with reference to FIG. 4, the cold light source employs an LED display 304; the visible fiber optic kit 3 also includes a cold light source switch 303. The LED display 304 is attached to the end of the fiber body 301; the light source of the LED display 304 is a cold light source to avoid burning the tissue. The cold light switch 303 is connected to the LED display 304 for turning the LED display 304 on or off. In specific implementation, the head end 302 of the optical fiber main body is inserted from the end of the see-through optical fiber catheter sheath 2 to be close to the head end (the head end 201 of the catheter sheath tube) of the see-through optical fiber catheter sheath 2, and the seal 202 of the head end has perspective so that the gastrointestinal tract tissue can be distinguished through the visible optical fiber.

In other partially preferred embodiments, the length of the fiber optic body 301 is greater than the length of the naso-gastrointestinal feeding tube 1.

In other preferred embodiments, the length 510 and 1610mm of the optical fiber kit 3 can be seen, and the diameter is 0.5-3.0 mm.

All the parts used in this document can be standard parts or common technologies, if not detailed, and can be purchased from the market, the specific connection mode of each part can be conventional means such as bolts, rivets and welding, etc., which are mature in the prior art, the machinery, parts and electrical equipment are conventional models in the prior art, and the circuit connection is conventional in the prior art, which is easy to be realized by those skilled in the art, and no specific description is given here.

The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.

Claims

1. A visual disposable nasogastric tube, comprising:

the nasal gastrointestinal nutrition tube is arranged on the outermost layer;

2. The disposable nasogastric tubing of claim 1, wherein the nasogastric tubing comprises a tube body, a head end of the tube body being provided with a side leakage hole; the tail end of the pipe body is provided with a hollow first horn-shaped component, and a cavity of the first horn-shaped component is communicated with a cavity of the pipe body; and a main cavity choke plug is arranged at the outlet of the first trumpet-shaped component and used for opening or closing the outlet of the first trumpet-shaped component.

3. The visual disposable nasogastric tube of claim 2, wherein a side port and a side port plug are arranged on the side surface of the first trumpet-shaped component, the side port is communicated with the cavity of the tube body, and the side port plug is used for closing or opening the side port.

4. The visualization disposable nasogastric tubing of claim 1, wherein the nasogastric tubing is disposable nasogastric tubing.

5. The visualization disposable nasogastric tube of claim 1, wherein the see-through fiber optic catheter sheath comprises a catheter sheath tube having a length matching the length of the nasogastric tube; the head end of the catheter sheath tube body is provided with a seal head, and the catheter sheath tube body forms a channel with a closed head end and an open tail end; the tail end of the catheter sheath body is provided with a hollow second horn-shaped component, and a cavity of the second horn-shaped component is communicated with the channel.

6. The visual disposable nasogastric tube of claim 5, wherein an annular protrusion is arranged on the outer wall of the second trumpet-shaped component, and the annular protrusion and the inner wall of the outlet of the tail end of the nasogastric tube form the clamping structure, so that the tail end of the see-through optical fiber catheter sheath and the tail end of the nasogastric tube are fixed into a whole through clamping.

7. The visualization disposable nasogastric tube of claim 1 wherein said see-through fiber optic sheath is a disposable see-through fiber optic sheath.

8. The visualization disposable nasogastric tube according to any one of claims 1 to 7, wherein the visual optical fiber kit further comprises a cold light source switch connected to the cold light source for turning on or off the cold light source.

9. The visualization disposable nasogastric tube according to any one of claims 1-7, wherein the cold light source is an LED display.

10. The visualization disposable nasogastric tubing of any one of claims 1-7, wherein the length of the fiber optic body is greater than the length of the nasogastric feeding tube.