CN218552887U - Visual nose intestines tube - Google Patents

Abstract

The utility model relates to the technical field of medical instruments and discloses a visual nasointestinal tube, which comprises an instrument tube and a liquid tube, wherein the outer wall surface of the inner end of the liquid tube is provided with a liquid through hole; the bottom of the inner end of the instrument tube is provided with a camera assembly, the outer end of the instrument tube is provided with a signal interface in signal connection with the camera assembly, and the inner wall of the instrument tube is also provided with an inner air bag; the outer walls of the instrument tube and the liquid tube are also provided with an outer air bag, the instrument tube is also provided with a first air nozzle communicated with the inner air bag and a second air nozzle communicated with the outer air bag, and a guide wire is also arranged in the instrument tube in a penetrating manner. The guide wire, the camera assembly and the injection liquid are carried out in different pipelines, so that the sanitation of nutrition injection is ensured; when inserting nose intestines tube, fix a position camera subassembly after interior gasbag inflation, insert the back that targets in place at nose intestines tube, block in the cardia mouth of a stomach of afterbody behind the outer gasbag inflation, realize internal fixed, prevent that nose intestines tube from returning back, the gas of taking interior gasbag out can take seal wire and camera subassembly out convenient to use.

Description

Visual nose intestines pipe

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a visual nose intestines tube.

Background

The nasointestinal tube is a medical consumable commonly used in clinic of a hospital, is generally used for nutrition support or drainage of patients, such as nutrition supply of gastrointestinal tract postoperative patients, dysphagia patients or coma patients, and is placed into the body through a nasal cavity, enters jejunum through stomach and duodenum, can realize drainage, food injection and medicine injection, and achieves the purpose of supplying nutrition or treatment to the patients.

At present, the clinical nasointestinal tube is inserted blindly, medical staff judge the inserting position of the nasointestinal tube according to the inserted hand feeling, unnecessary damage and pain are caused to patients, the common complication is infection caused by the damage of stomach, nasal mucosa and esophageal mucosa caused by repeated intubation, the patients need to maintain life nutrition by the nasointestinal tube, but the damage easily causes bleeding and edema of the esophagus and the nasal mucosa. The aspiration is the most serious complication of the naso-intestinal tube, and is usually caused by reflux of gastric contents due to insufficient insertion length of the naso-intestinal tube or severe cough, forced defecation or sputum aspiration required by the disease condition.

The utility model with the publication number of CN215022580U discloses a visual nasointestinal tube which is of a double-cavity catheter structure and comprises a first sleeve for conveying nutrients and a second sleeve for shooting an image of one end of the nasointestinal tube, wherein the first sleeve and the second sleeve extend along the same direction, and at least one end of the second sleeve is aligned with at least one end of the first sleeve; a guide wire is arranged in the first sleeve in a penetrating manner, and when the nasointestinal tube is inserted into a human body, the guide wire is used for guiding the moving direction of the nasointestinal tube; the camera is installed to the one end that the second sleeve pipe is located the seal wire extending direction, and data processing equipment is installed to the other end, and the camera is linked together with data processing equipment.

Foretell visual nose intestines pipe arranges the camera in intraductal, through the image signal of camera collection when inserting nose intestines pipe, observes the nose intestines pipe process of advancing at the in-process of inserting nose intestines pipe, ensures that nose intestines pipe inserts and targets in place, avoids injuring the gastric mucosa. But the guide wire and the liquid inlet and outlet of the visible nasointestinal tube are both in the same pipeline, and the sanitation of liquid inlet cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the utility model provides a visual nose intestines tube to solve camera, seal wire and the liquid business turn over among the prior art in same pipeline, the unable problem of guaranteeing of health.

In order to achieve the purpose, the utility model provides a visual nasointestinal tube, which comprises an instrument tube and a liquid tube, wherein one end of the instrument tube and the liquid tube, which is used for being inserted into a body, is defined as an inner end, and the outer wall surface of the inner end of the liquid tube is provided with a liquid through hole; a camera assembly is arranged at the bottom of the inner end of the instrument tube, a signal interface in signal connection with the camera assembly is arranged at the outer end of the instrument tube, and an inner air bag for axially positioning the camera assembly is further arranged on the inner wall of the instrument tube; the outer air sac is further arranged on the outer walls of the instrument tube and the liquid tube, a first air nozzle communicated with the inner air sac and a second air nozzle communicated with the outer air sac are further arranged on the instrument tube, and a guide wire is further arranged in the instrument tube in a penetrating mode.

Preferably, the camera assembly comprises a pinhole lens and a light source arranged outside the pinhole lens.

Preferably, there are three of said light sources, three of said light sources being arranged annularly.

Preferably, the camera head assembly further comprises a carbon dioxide concentration detector, and the carbon dioxide concentration detector and each light source are annularly arranged on the outer side of the pinhole lens.

Preferably, a cap is further arranged at the outer end of the liquid tube.

Preferably, a first gas channel and a second gas channel are formed in the instrument tube, the first gas channel is communicated with the first gas nozzle and the inner gas bag, and the second gas channel is communicated with the second gas nozzle and the outer gas bag.

Preferably, the first air nozzle and the second air nozzle are arranged at intervals along the axial direction of the instrument tube.

Preferably, the inner bladder is disposed at an outer end of the camera head assembly.

Preferably, the inner balloon and the outer balloon are arranged at a distance in the axial direction of the instrument tube, the outer balloon being arranged at the inner end of the inner balloon.

Preferably, the device tube and the outer side of the liquid tube are further provided with a tying belt, and the tying belt is further connected with magic tapes which are mutually matched.

The embodiment of the utility model provides a visual nose intestines tube compares with prior art, and its beneficial effect lies in: the camera assembly and the guide wire are uniformly arranged in the instrument tube, the outer wall surface of the inner end of the liquid tube is provided with a liquid through hole, when the nasointestinal tube needs to be inserted, medical workers insert the guide wire and the camera assembly into the instrument tube, keep the shape of the nasointestinal tube by using the guide wire, visually guide the nasointestinal tube by using the camera assembly, inject nutrition into the stomach through the liquid tube or extract gastric juice from the stomach, and inject the guide wire, the camera assembly and the injection liquid into different pipelines, so that the sanitation of nutrition injection is ensured; simultaneously when inserting nose intestines tube, inject gas through first air cock to interior gasbag, fix a position camera subassembly after the inflation of interior gasbag, avoid camera subassembly to roll back or rock, insert the back that targets in place at nose intestines tube and inject gas through the outside gasbag of second air cock, the outer gasbag inflation back card is at the gate of the afterbody, realize internal fixed, prevent that nose intestines tube from rolling back, the gas of interior gasbag can be taken seal wire and camera subassembly out simultaneously, high durability and convenient use.

Drawings

Fig. 1 is a schematic structural diagram of a visual nasointestinal tube of the present invention;

FIG. 2 is an enlarged partial schematic view at visualization nasointestinal tube A of FIG. 1;

fig. 3 is a schematic end view of the camera assembly of the visualization nasointestinal tube of fig. 1.

In the figure, 1, an instrument tube; 2. a liquid pipe; 3. a liquid through hole; 4. a guide wire; 5. a camera assembly; 51. a pinhole lens; 52. a light source; 53. a carbon dioxide concentration detector; 6. a signal interface; 7. a data line; 8. an inner airbag; 9. an outer bladder; 10. a first air tap; 11. a second air tap; 12. a first gas passage; 13. a second gas passage; 14. capping; 15. a tie strap; 16. magic tape.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The utility model discloses a preferred embodiment of visual nose intestines tube, as shown in fig. 1 to 3, this visual nose intestines tube includes apparatus pipe 1 and liquid pipe 2, and apparatus pipe 1 and liquid pipe 2 are arranged side by side and are isolated from each other, and in this embodiment, apparatus pipe 1 and liquid pipe 2 are the integrated into one piece structure, and the material of apparatus pipe 1 and liquid pipe 2 is polyurethane or silica gel, and the total length of nose intestines tube is 90cm-120cm.

The ends, inserted into a human body, of the instrument tube 1 and the liquid tube 2 are defined as inner ends, the outer ends of the liquid tube 2 and the instrument tube 1 are both open structures, the outer end of the instrument tube 1 is used for placing instruments such as a guide wire 4 and a camera assembly 5, and the outer end of the liquid tube 2 is used for injecting and extracting liquid. The bottom of liquid pipe 2 is enclosed construction, has still seted up liquid through-hole 3 on the inner outer wall of liquid pipe 2, and liquid through-hole 3 is used for supplying nutrient solution to get into in the stomach, also can extract the liquid in the stomach through liquid through-hole 3.

Camera subassembly 5 has been arranged to the inner bottom of apparatus pipe 1, signal interface 6 has been arranged to the outer end of apparatus pipe 1, pass through 7 signal connection of data line between signal interface 6 and the camera subassembly 5, camera subassembly 5 is used for gathering the image information of nose intestines pipe insertion in-process in real time, signal interface 6 is used for being connected with the display device of peripheral hardware, with the image signal that shows camera subassembly 5 and gather, supply operating personnel to observe in real time, the display device of peripheral hardware can be the computer.

The instrument tube 1 is also internally provided with a guide wire 4 in a penetrating way, the guide wire 4 plays a shaping role on the nasointestinal tube to be operated by medical personnel and drive the nasointestinal tube to enter the stomach and the duodenum, and the guide wire 4 is usually made of stainless steel wires. The instrument tube 1 and the liquid tube 2 are also provided with length scale scales (not shown in the figure), and the medical staff confirms the inserted length of the nasointestinal tube through the length scales.

With camera subassembly 5, 4 equipartitions of seal wire arrange in apparatus pipe 1, when needs insert the nose intestines pipe, medical personnel with seal wire 4, camera subassembly 5 insert in apparatus pipe 1, utilize seal wire 4 to keep nose intestines pipe shape, carry out visual guide to nose intestines pipe through camera subassembly 5, inject nutrition or extract gastric juice from the stomach through liquid pipe 2 in to the stomach, go on seal wire 4, camera subassembly 5 and injection liquid in the pipeline of difference, guarantee the health of nutrition injection.

Still having arranged interior gasbag 8 on the inner wall of apparatus pipe 1, extruding camera subassembly 5 behind the inflation of interior gasbag 8 to carry out axial positioning to camera subassembly 5, avoid camera subassembly 5 to roll back or rock, thereby guarantee image signal's stability. The instrument tube 1 is provided with a first air nozzle 10 communicated with the inner air bag 8, and an external air blowing device can be communicated with the inner air bag 8 through the first air nozzle 10, so that air is blown into the inner air bag 8 or air is pumped into the inner air bag 8 to control the inner air bag 8 to expand and contract.

After the nasointestinal tube is inserted in place, the first air nozzle 10 can exhaust the inner air bag 8, the inner air bag 8 retracts and then loses acting force on the camera assembly 5, and medical workers can extract the camera assembly 5 and the guide wire 4, so that the use is convenient.

Still arranged outer gasbag 9 on the outer wall of apparatus pipe 1 and liquid pipe 2, still arranged the second air cock 11 with outer gasbag 9 intercommunication on the apparatus pipe 1, outer gasbag 9 covers at whole apparatus pipe 1, the round position of liquid pipe 2, treat that nose intestines pipe inserts the back of targetting in place, medical personnel utilize gas blowing equipment to inject into gas through second air cock 11 to outer gasbag 9, block the cardia mouth at the afterbody behind the outer gasbag 9 inflation, realize the internal fixed of nose intestines pipe, can prevent that nose intestines pipe from returning.

In this embodiment, the outer end of the instrument tube 1 is disposed obliquely, i.e. the outer end of the instrument tube 1 and the liquid tube 2 are disposed in a crossed manner, so that the space of the outer end of the instrument tube 1 can be increased, and a medical staff can insert the guide wire 4 and the camera assembly 5 into the instrument tube 1 conveniently.

Preferably, the camera assembly 5 includes a pinhole lens 51 and a light source 52 disposed outside the pinhole lens 51.

The pinhole lens 51 has a small volume and is easy to insert into the instrument tube 1. The light source 52 is arranged outside the pinhole lens 51, so that good lighting conditions are provided for the shooting of the pinhole lens 51, and the brightness of the image collected by the pinhole lens 51 is improved.

Preferably, there are three light sources 52, with the three light sources 52 being arranged in a ring.

The three light sources 52 can respectively irradiate light in all directions, so that the influence on the quality of the image collected by the pinhole lens 51 due to the problems of blockage, angle and the like is avoided.

Preferably, the camera assembly 5 further includes a carbon dioxide concentration detector 53, and the carbon dioxide concentration detector 53 and each light source 52 are arranged in a ring shape outside the pinhole lens 51.

Carbon dioxide concentration detector 53 can the inner carbon dioxide concentration of real-time supervision nose intestines tube, if in nose intestines tube inserted patient's respiratory track, carbon dioxide concentration in the respiratory track is higher, can warn medical personnel, guarantees that the direction of inserting is accurate.

In this embodiment, the bottom end of the instrument tube 1 is provided with a small hole (not shown) for gas to enter, so that the carbon dioxide concentration detector 53 detects the carbon dioxide concentration outside.

Preferably, the outer end of the liquid tube 2 is further arranged with a cap 14.

When it is not necessary to inject nutrients to the patient or to draw liquid from the stomach, the medical staff can block the outer end of the liquid tube 2 with the cap 14 to keep the inside of the liquid tube 2 sanitary.

Preferably, the instrument tube 1 is provided with a first gas channel 12 and a second gas channel 13, the first gas channel 12 is communicated with the first gas nozzle 10 and the inner air bag 8, and the second gas channel 13 is communicated with the second gas nozzle 11 and the outer air bag 9.

The first gas passage 12 and the second gas passage 13 are provided in the instrument tube 1, and there is no need to additionally arrange a gas tube in the instrument tube 1, so that the diameter of the instrument tube 1 can be reduced, and the diameter of the entire nasointestinal tube can be reduced.

Preferably, first air cap 10 and second air cap 11 are arranged at intervals along the axial direction of instrument tube 1.

The first air nozzle 10 and the second air nozzle 11 are arranged at intervals, so that the space around the first air nozzle 10 and the overlapping air nozzle is enlarged, and the medical staff can conveniently connect the air blowing equipment with the first air nozzle 10 and the second air nozzle 11.

Preferably, the inner bladder 8 is disposed at an outer end of the camera head assembly 5.

The inner air bag 8 is arranged at the outer end of the camera assembly 5, the camera assembly 5 is blocked in one direction after the inner air bag 8 is expanded, the camera assembly 5 cannot be pressed radially, the camera can be bent to a certain degree, and the image acquisition range is enlarged.

Preferably, the inner balloon 8 is arranged axially spaced from the outer balloon 9 along the instrument tube 1, the outer balloon 9 being arranged at the inner end of the inner balloon 8.

The outer air sac 9 and the inner air sac 8 are arranged at intervals, so that the first air channel 12 and the second air channel 13 can be arranged in a staggered mode, and the pipe wall of the instrument pipe 1 is prevented from being too thin.

Preferably, a fastening band 15 is further disposed on the outer side of the instrument tube 1 and the liquid tube 2, and a magic tape 16 is further connected to the fastening band 15.

In this embodiment, the strap 15 is made of an elastic material, so that the length of the strap 15 can be adjusted to adapt to different patients. After the nose intestines tube inserted needs position, medical personnel can fix frenulum 15 through the adhesive tape, paste 16 connection after-fixing with the magic simultaneously on patient's neck, and need not adopt the hangers to fix on the ear, reduce the discomfort that the patient arouses because of the pipeline hangers when stopping nose intestines tube for a long time.

To sum up, the embodiment of the utility model provides a visual nasointestinal canal, it arranges camera subassembly, seal wire equipartition in the apparatus intraductal, set up the liquid through-hole on the inner outer wall of liquid pipe, when needing to insert the nasointestinal canal, medical personnel insert the seal wire, camera subassembly in the apparatus intraductal, utilize the seal wire to keep the nasointestinal canal shape, carry out visual guide to the nasointestinal canal through the camera subassembly, inject nutrition or draw gastric juice from the stomach to the stomach through the liquid pipe, go on seal wire, camera subassembly and injected liquid in different pipelines, guarantee the health of nutrition injection; simultaneously when inserting nose intestines tube, inject gas through first air cock to interior gasbag, fix a position camera subassembly after the inflation of interior gasbag, avoid camera subassembly to roll back or rock, insert the back that targets in place at nose intestines tube and inject gas through the outside gasbag of second air cock, the outer gasbag inflation back card is at the gate of the afterbody, realize internal fixed, prevent that nose intestines tube from rolling back, the gas of interior gasbag can be taken seal wire and camera subassembly out simultaneously, high durability and convenient use.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims (8)

1. A visual nasointestinal tube is characterized by comprising an instrument tube and a liquid tube, wherein one end, used for being inserted into a body, of the instrument tube and the liquid tube is defined as an inner end, and a liquid through hole is formed in the outer wall surface of the inner end of the liquid tube; a camera assembly is arranged at the bottom of the inner end of the instrument tube, a signal interface in signal connection with the camera assembly is arranged at the outer end of the instrument tube, and an inner air bag for axially positioning the camera assembly is further arranged on the inner wall of the instrument tube; the outer walls of the instrument tube and the liquid tube are further provided with an outer air bag, the instrument tube is further provided with a first air nozzle communicated with the inner air bag and a second air nozzle communicated with the outer air bag, a guide wire penetrates through the instrument tube, the inner air bag is arranged at the outer end of the camera assembly, the inner air bag and the outer air bag are arranged at intervals along the axial direction of the instrument tube, and the outer air bag is arranged at the inner end of the inner air bag.

2. The visualization nasointestinal tube of claim 1, wherein the camera assembly comprises a pinhole lens and a light source arranged outside the pinhole lens.

3. The visualization nasointestinal tube of claim 2, wherein there are three of said light sources, three of said light sources being arranged in a ring.

4. The visualization nasointestinal tube of claim 3, wherein the camera assembly further comprises a carbon dioxide concentration detector arranged in a ring shape with each of the light sources outside the pinhole lens.

5. A visualization nasointestinal tube according to any one of claims 1-4, wherein the outer end of the liquid tube is further arranged with a cap.

6. The visualization nasointestinal tube according to claim 5, wherein the instrument tube is provided with a first gas channel and a second gas channel, the first gas channel is communicated with the first gas nozzle and the inner air bag, and the second gas channel is communicated with the second gas nozzle and the outer air bag.

7. The visualization nasointestinal tube of claim 6, wherein the first air tap and the second air tap are arranged at a distance along an axial direction of the instrument tube.

8. The visualization nasointestinal tube according to any one of claims 1 to 4, wherein the instrument tube and the liquid tube are further arranged with a tie strap on the outside, and the tie strap is further connected with magic tapes which are mutually matched.

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