CN216855265U - Visual nasogastric tube - Google Patents

Abstract

The utility model discloses a visible nasogastric tube, which consists of a catheter and a guide wire, wherein the head end of the catheter is provided with an end cap, the tail end of the catheter is provided with a conical joint, the end cap is provided with a visible window, the conical joint is provided with an injection port adjustable cap, the injection port adjustable cap is provided with a sealing plug, the front end part of the catheter is provided with a side hole, and the wall of the catheter is printed with marked scales; the head end of seal wire sets up takes the light source camera, the other end of seal wire is equipped with the seal wire and connects, take the light source camera to link to each other with signal interface. The camera assembly and the catheter are provided with the locking mechanism, so that the camera assembly and the catheter cannot generate relative displacement in the process of inserting the catheter, the mechanism ensuring the common movement of the camera assembly and the catheter realizes accurate insertion, and after the catheter is placed, the camera assembly and the catheter are quickly separated through the unlocking mechanism, so that the camera assembly can be moved out of a body along with the guide wire simultaneously.

Description

Visual nasogastric tube

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a visual nasogastric tube, and particularly relates to a detachable visual nasogastric tube.

Background

The tube feeding route is the first route for enteral nutrition to be taken by patients who normally function in the gastrointestinal tract, but who have conditions where oral ingestion is not possible or insufficient. As early as 1790, Hunter fed patients with dysphagia via the nasogastric route. After years of development, the tube feeding technology is mature. The nasogastric route is an important route for Enteral Nutrition (EN) therapy and can meet the requirement of enteral nutrition of patients; nasogastric tubes have applications as a simple and effective enteral route in almost all clinical departments in large and medium-sized hospitals in the country. However, at present, the placement of the nasogastric-intestinal tube still needs to be performed by means of an endoscope, an X-ray machine or blind insertion, and most of the placement is blind insertion. Because many ditches in the middle of the intestine are limited, especially at the pylorus, the pylorus is in an s-bend shape, the operation is difficult, the investment of manpower and material resources of doctors and patients is greatly increased, and the medical risk of the patients in the process of catheterization is also increased. Some present through set up the visual nose gastrointestinal tract of taking the light source camera at the pipe front end (patent number CN 212090251U, CN 213373855U), though realized visual tubulation, but the production technology requires highly, with high costs, and behind the tubulation, the camera subassembly can not shift out, stay in internal for as much as 50 days or even longer time always, because of the strong acid of gastric juice, very easily produce the corruption to substances such as the solidification glue of camera, this can produce the stimulation effect to the alimentary canal, also can cause other potential hazards such as heavy metal exceeds standard, be unfavorable for promoting.

Therefore, the utility model provides a visible nasogastric tube. Because the locking mechanism is arranged between the camera assembly and the guide pipe, the camera assembly and the guide pipe cannot generate relative displacement in the process of inserting the pipe, the camera assembly and the guide pipe can move together, and accurate insertion is realized; after the catheterization is completed, the camera assembly is quickly separated from the catheter through the unlocking mechanism, so that the camera assembly can be moved out of the body along with the guide wire.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a visible nasogastric tube to solve the above problems of the prior art.

The specific technical scheme provided by the utility model is as follows: a visible nasogastric tube consists of a catheter and a guide wire, wherein the head end of the catheter is provided with an end cap, the tail end of the catheter is provided with a conical joint, the end cap is provided with a visible window, the conical joint is provided with an adjustable cover cap of an injection port, and the adjustable cover cap of the injection port is provided with a sealing plug; the utility model discloses a catheter, including pipe, light source camera, guide wire, signal interface, guide wire, the preceding tip of pipe is equipped with the side opening, the pipe wall of pipe is printed on and is marked the scale, the head end of guide wire sets up takes the light source camera, the other end of guide wire is equipped with the guide wire and connects, it links to each other with signal interface to take light source camera accessible signal line.

Preferably, the end cap is transparent;

preferably, the middle of the end cap is provided with a pore passage, or the top end of the end cap is provided with a transparent film;

preferably, the end cap is of a round design;

preferably, the front end of the catheter is provided with a plurality of side holes;

preferably, the camera with the light source can be connected with the signal interface in a wireless mode.

Preferably, the tapered joint is provided with a lock ring and a lock bolt

Preferably, the lock ring and the lock bolt are of a locking and unlocking structure, and the lock bolt is expanded by rotating the lock ring clockwise to lock the guide tube and the guide wire, so that the camera assembly and the guide tube are prevented from relative displacement; through anticlockwise rotation lock ring, make the set bar resume, unblock pipe and seal wire, after accomplishing the pipe, make camera subassembly and pipe break away from rapidly through it to it is external along with the seal wire shifts out together that the camera subassembly is simultaneously.

The utility model has the following beneficial effects:

the visible nasogastric-intestinal tube related by the utility model is more scientific and reasonable, the visible operation is realized through the camera with the light source arranged at the head end of the guide wire, the nasogastric-intestinal tube can be smoothly and accurately inserted into the jejunum or a required part through the pylorus and the duodenum of a gastric cavity, the guide wire is drawn out after the tube placement is finished, the guide tube is left in the intestine, and the enteral nutrient solution is input into the intestine through the interface to achieve the aim of enteral nutrition. In addition, after the tube is placed, the camera component is moved out along with the guide wire, and the potential hazards that the camera component is always placed in the body for 50 days or even longer time and stimulates the digestive tract and heavy metals exceed the standard caused by a patient are solved, so that compared with the nasal gastrointestinal tube with the directly built-in camera, the nasal gastrointestinal tube with the camera is simple in structure, convenient to replace, low in cost, high in safety, strong in practicability and beneficial to popularization. By using the locking mechanism, the camera assembly and the guide pipe are prevented from generating relative displacement, so that accurate pipe placement and shooting are realized; after the catheter is placed, the camera assembly is quickly separated from the catheter through the unlocking mechanism, so that the camera assembly can be moved out of the body along with the guide wire.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model, as claimed.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.

FIG. 1 is a schematic view of a visible naso-gastric tube configuration according to an embodiment of the present invention;

in fig. 1: 1. a head end cap; 2. a camera with a light source; 3. a conduit; 4. a side hole; 5. a guide wire; 6. marking scales; 7. a tapered joint; 8. an injection port adjusting cap, 9 and a sealing plug; 10. a guidewire junction; 11. a signal line; 12. a signal interface; 13. a locking ring; 14. lock bolt

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A more detailed description of a visible nasogastric tube according to an embodiment of the present invention will be given below with reference to FIG. 1.

Referring to fig. 1, a visible nasogastric tube provided by an embodiment of the present invention is composed of a catheter 3 and a guide wire 5, wherein a head end cap 1 is arranged at the head end of the catheter 3, a conical joint 7 is arranged at the tail end of the catheter 3, the head end cap 1 is provided with a visible window, the conical joint 7 is provided with an adjustable injection port cap 8, the adjustable injection port cap 8 is provided with a sealing plug 9, a side hole 4 is arranged at the front end of the catheter 3, and a marking scale 6 is printed on the wall of the catheter 3; the head end of the guide wire 5 is provided with a camera 2 with a light source, the other end of the guide wire 5 is provided with a guide wire joint 10, the guide wire joint is provided with a lock ring 13 and a lock bolt 14, and the camera 2 with the light source is connected with a signal interface 12 through a signal wire 11.

The head end cap 1 is transparent, so that a visual window is better provided;

the middle of the head end cap 1 is a pore channel, or the top end of the head end cap is a transparent film, so that a visual window is better provided;

the head end cap 1 adopts a mellow design, so that gastrointestinal mucosa is effectively protected;

the front end of the catheter 3 is provided with a plurality of side holes 4 to ensure that the liquid food is unblocked to the stomach;

the pipe wall of the conduit 3 is printed with a mark scale 6, so that the insertion depth can be conveniently positioned and observed after the conduit is placed;

the camera 2 with the light source can be connected with the signal interface 12 in a wireless mode.

The lock ring 13 and the lock bolt 14 are of a locking and unlocking structure, and the lock bolt 14 is expanded by rotating the lock ring 13 clockwise to lock the guide tube 3 and the guide wire 5, so that the camera assembly and the guide tube are prevented from relative displacement; by rotating the locking ring 13 anticlockwise the latch 14 is restored, unlocking the catheter 3 and guide wire 5, and after the completion of cannulation, by which the camera assembly is quickly disengaged from the catheter 3.

The working principle of the utility model is as follows: firstly, a guide wire 5 penetrates into a catheter 3, after the guide wire reaches a proper position, a locking ring 13 is rotated clockwise, a locking bolt 14 is expanded, the catheter 3 and the guide wire 5 are locked, relative displacement between a camera assembly and the catheter is guaranteed not to occur, a signal interface 12 is connected with a display terminal, the guide wire 5 enhances the strength of the catheter 3 so as to facilitate catheter placement, and a lubricating layer is coated outside the catheter 3 so as to reduce friction between the catheter and a human body cavity during catheter placement; when the device is used, the catheter 3 with the guide wire 5 is soaked by normal saline, the surface of the catheter is smooth, the catheter penetrates through the throat from the nostril, the catheter penetrates through the esophagus and the stomach, the position of the front end of the catheter 3 can be seen through the camera 2 with the light source at the front end of the guide wire 5 after the nasogastric-intestinal tube enters the stomach, the catheter 3 with the guide wire 5 is adjusted to enable the pipeline to move slowly, the head end of the pipeline is aligned with the pylorus of the stomach, and the catheter 3 penetrates into the intestinal tract from the pylorus; and after the nasal gastrointestinal tube is visually confirmed to enter the intestinal tract through the display terminal, the tube placement is finished. By rotating the locking ring 13 anticlockwise, the locking bolt 14 is restored, the catheter 3 and the guide wire 5 are unlocked, the camera assembly can be quickly separated from the catheter 3, namely the guide wire 5 is drawn out through the guide wire joint 10, and the camera assembly is arranged at the head end of the guide wire 5, so that the camera assembly is simultaneously moved out of the body along with the guide wire 5, the catheter 3 is left in the intestine, and the intestinal nutrient solution is input into the intestine through the injection port, thereby achieving the purpose of enteral nutrition.

The structure of the visible nasogastric tube is more reasonable, the tube placement under the visible condition is realized, the tube placement accuracy is high, the pain of a patient is relieved, and the workload of medical workers is relieved. In addition, after the catheterization is completed, the camera component is moved out together with the guide wire, and the problem that the potential harm can be caused to a patient when the camera component is always placed in the body for 50 days or even longer is solved, so that compared with a nasal gastrointestinal tube with a directly built-in camera, the nasal gastrointestinal tube with the camera component has the advantages of simple structure, convenience in replacement, low cost, high safety, high practicability and benefit for popularization.

In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be understood broadly, for example, as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A visual nasogastric tube consists of a catheter and a guide wire, and is characterized in that: the head end of the catheter is provided with a head end cap, the tail end of the catheter is provided with a conical joint, the head end cap is provided with a visible window, the conical joint is provided with an adjustable cap of an injection port, the adjustable cap of the injection port is provided with a sealing plug, the front end part of the catheter is provided with a side hole, and the wall of the catheter is printed with marked scales; the head end of seal wire is equipped with the area light source camera, the other end of seal wire is equipped with the seal wire and connects, the area light source camera passes through the signal line and links to each other with signal interface.

2. The visible nasogastrointestinal tube of claim 1, wherein: the head end cap is transparent.

3. The visible nasogastrointestinal tube of claim 1, wherein: the middle of the head end cap is provided with a pore passage, or the top end of the head end cap is provided with a transparent film.

4. The visible nasogastrointestinal tube of claim 1, wherein: the head end cap adopts a mellow design.

5. The visible nasogastrointestinal tube of claim 1, wherein: the front end of the catheter is provided with a plurality of side holes.

6. The visible nasogastrointestinal tube of claim 1, wherein: the camera with the light source can be connected with the signal interface in a wired or wireless mode.

7. The visible nasogastrointestinal tube of claim 1, wherein: and the guide wire joint is provided with a lock bolt and a lock ring.

8. The visible nasogastrointestinal tube of claim 7, wherein: the lock bolt and the lock ring are of locking and unlocking structures, and the lock bolt is expanded by clockwise rotating the lock ring to lock the guide tube and the guide wire, so that relative displacement between the camera assembly and the guide tube is prevented; the lock ring is rotated anticlockwise, so that the lock bolt is recovered, the guide pipe and the guide wire are unlocked, and the camera assembly is quickly separated from the guide pipe through the lock ring after the pipe is placed.

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