CN210542502U

CN210542502U - Endoscope-guided nasogastric tube

Info

Publication number: CN210542502U
Application number: CN201920726992.4U
Authority: CN
Inventors: 钱俊波; 秦晓鹏; 魏先锋
Original assignee: Jiangsu Yikai Medical Equipment Co ltd
Current assignee: Jiangsu Yikai Medical Equipment Co ltd
Priority date: 2019-05-21
Filing date: 2019-05-21
Publication date: 2020-05-19
Anticipated expiration: 2029-05-21

Abstract

The utility model discloses a nasal gastrointestinal tube under the guide of scope belongs to medical instrument technical field. Comprises a guide wire, a stomach tube, a jejunum tube movable joint, a stomach tube joint, a balloon and an inflation cavity; the utility model discloses a pipe box union coupling mode, put into seal wire to jejunum earlier through the apparatus passageway, insert the soft first opening part of end of jejunum pipe by the near-end of seal wire again, put into stomach or jejunum with nose stomach intestine under the guide of seal wire, the combination of stomach tube and jejunum pipe is not fixed simultaneously, can keep another pipeline when withdrawing from a pipeline, if do not need the jejunum pipe, then can withdraw from the jejunum pipe completely, can withdraw from the stomach tube when need not implement the stomach tube decompression and keep away from the jejunum pipe. The cavity is larger than the tube cavity of the existing gastrointestinal nutrition tube under the condition of the same outer diameter, the problem of tube blockage due to the undersize of the cavity is avoided, the cost of medical equipment is reduced, and the gastrointestinal nutrition tube has great significance for improving the clinical use, being safer and more convenient, and reducing the pain and the curative effect of patients.

Description

Endoscope-guided nasogastric tube

Technical Field

The utility model relates to a nasal gastrointestinal tube under the guide of scope belongs to medical instrument technical field.

Background

The three-cavity feeding tube is frequently used in the operation process of the prior common surgery involving the gastrointestinal tract, can simultaneously perform gastric decompression and small intestine feeding, can be used for all patients with gastrointestinal tract function and gastric motility damage, and is frequently used for the patients after the operation of the digestive tract, such as esophageal operation, gastric operation and the like. When using a triple lumen feeding tube, the placement is very complicated by inserting a triple lumen gastric tube through a guide wire and then entering the stomach through the nasal cavity, the front end of the jejunal tube being inserted and placed with the help of an endoscope to the small intestine by means of biopsy forceps and then used for gastric decompression and enteral feeding. In use, the three-cavity feeding tube is designed into a three-cavity structure in the stomach tube cavity, and one catheter needs to be divided into three-cavity structures in the cavity, and the separation belts of the separated cavities need certain wall thickness, so that the three-cavity feeding tube is obviously harder than a single-cavity stomach tube under the condition of the same outer diameter, and a patient can obviously feel uncomfortable in use, so that the three-cavity feeding tube is unwilling to use and difficult to popularize. After the cavity is designed into three cavities, the cavity is divided into three cavities, and then each cavity is obviously reduced, so that the problem that the cavity is blocked frequently in the processes of drainage, washing or nutrient solution conveying is often caused, and even the blockage can not be dredged by washing, so that the intubation is caused again. And the existing jejunum nutrient canal is connected with the stomach tube through a connecting piece, the firmness of the connecting piece under the condition in the stomach tube cannot be guaranteed, and the falling off of the jejunum nutrient canal is easy to cause secondary injury to patients.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an endoscope-guided nasogastric tube.

The utility model discloses a solve above-mentioned technical problem and adopt following technical scheme:

the utility model relates to a nasal gastrointestinal tube guided by an endoscope, which comprises a guide wire, a stomach tube, a jejunum tube movable joint, a stomach tube joint, a balloon and a filling cavity; the gastric tube comprises at least one orifice; the jejunum tube movable joint is detachably connected with the jejunum tube; the jejunum tube movable joint is movably connected with the stomach tube by a joint; the stomach tube is connected with the stomach tube through a connector; the jejunum tube is communicated from the inside of the joint for the gastric tube, is inserted into the cavity of the gastric tube and is led out from the tail end of the gastric tube through the tube cavity of the whole gastric tube, and the length of the jejunum tube is longer than that of the gastric tube; the jejunum tube forms a stomach tube channel with an annular gap at the tail end of the stomach tube through the inner cavity of the stomach tube; smooth taper treatment is carried out on the tail end of the stomach tube; the stomach tube is movably sleeved with the jejunum tube; the guide wire is inserted from the inlet of the jejunum tube movable joint or is led into the tail end of the jejunum tube, and the length of the guide wire is greater than the sum of the lengths of the gastric tube and the jejunum tube; the tail end of the stomach tube is provided with a plurality of groups of side holes; the jejunum tube comprises a jejunum tube body and a jejunum tube soft head; the jejunum tube body is connected with the jejunum tube soft head; a balloon is arranged on the part of the jejunum tube body extending the stomach tube; the inside of the balloon is communicated with the jejunum tube body; one end of the cavity channel of the filling cavity is connected with the inside of the balloon and communicated in the jejunum tube; the other end of the cavity of the filling cavity is connected and communicated with the jejunum tube movable joint; the part that jejunum pipe body is longer than the stomach tube is the spiral and the end is provided with the multiunit side opening.

As the utility model discloses a preferred technical scheme: also comprises a guide wire handle; the guide wire handle is detachably connected with the guide wire.

As the utility model discloses a preferred technical scheme: the jejunum tube soft head is a round soft head.

As the utility model discloses a preferred technical scheme: the joint for the stomach tube comprises a stomach decompression port end, a liquid injection port end and a drainage port end; the gastric decompression port end, the liquid injection port end and the drainage port end are respectively connected with and communicated with the stomach tube.

As the utility model discloses a preferred technical scheme: the gastric tube comprises first to third lumens; the gastric decompression port end is connected with the first orifice; the liquid injection port end is connected with the second cavity; the drainage port end is connected with the third cavity port.

As the utility model discloses a preferred technical scheme: the drainage port end is an integrated sealing plug; the stomach decompression mouth end and the liquid injection mouth end are both in an open horn shape, and rubber sealing rings are arranged on the outer side of an inlet of the stomach decompression mouth end and the outer side of an inlet of the liquid injection mouth end.

As the utility model discloses a preferred technical scheme: the length of the jejunum tube body can be increased or decreased according to the actual clinical needs.

As the utility model discloses a preferred technical scheme: the joint for the stomach tube, the stomach tube and the jejunum tube are made of polyurethane.

The utility model adopts the above technical scheme to compare with prior art, have following technological effect:

the utility model discloses a head end of jejunum pipe is soft portion button head, be difficult to damage the small intestine wall in the insertion process, be difficult to cause patient's secondary injury, it has strengthened the effect of nose gastrointestinal tract in use location to set up the sacculus, other fixed positioning's device has been reduced, be favorable to the reduction of medical consumables, the cost of medical equipment has been reduced, the combination of stomach tube and jejunum pipe is not fixed, keep another pipeline when can withdrawing from a pipeline, be favorable to the multipurpose use of nose gastrointestinal tract, can replace the stomach decompression intestines nutrition tube of present clinical in-use, when stomach intestines decompression function does not need, can take out the stomach tube smoothly, directly keep the jejunum pipe alone and carry out subsequent nutrition support treatment or when the jejunum pipe does not need, take out the jejunum pipe alone, only keep the stomach tube, it has great meaning to improve clinical curative effect.

Drawings

Fig. 1 is a schematic diagram of the connection of the present invention;

in the figure, 1-guide wire, 2-stomach tube, 3-jejunum tube, 4-jejunum tube movable joint, 5-stomach tube joint, 6-sacculus, 7-filling cavity, 8-guide wire handle, 9-jejunum tube soft head, 10-stomach decompression opening end, 11-liquid injection opening end, 12-drainage opening end and 13-side opening.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the utility model discloses a nasal gastrointestinal tube guided by an endoscope, which comprises a guide wire 1, a gastric tube 2, a jejunum tube 3, a jejunum tube movable joint 4, a gastric tube joint 5, a balloon 6 and an inflation cavity 7; the gastric tube 2 comprises at least one orifice; the jejunum tube movable joint 4 is detachably connected with the jejunum tube 3; the jejunum tube movable joint 4 is movably connected with the stomach tube joint 5; the stomach tube joint 5 is connected with the stomach tube 2; the jejunum tube 3 is communicated from the stomach tube connector 5, is inserted into the cavity of the stomach tube 2 and is led out from the tail end of the stomach tube 2 through the tube cavity of the whole stomach tube 2, and the length of the jejunum tube 3 is larger than that of the stomach tube 2; the jejunum tube 3 forms a stomach tube 2 channel of an annular gap at the tail end of the stomach tube 2 through the inner cavity of the stomach tube 2; the tail end of the stomach tube 2 is subjected to smooth taper treatment; the stomach tube 2 is movably sleeved with the jejunum tube 3; the guide wire 1 is inserted from the inlet of the jejunum tube movable joint 4 or is led into the tail end of the jejunum tube 3, and the length of the guide wire 1 is greater than the sum of the lengths of the gastric tube 2 and the jejunum tube 3; the tail end of the stomach tube 2 is provided with a plurality of groups of side holes 13; the jejunum tube 3 comprises a jejunum tube body and a jejunum tube soft head 9; the jejunum tube body is connected with the jejunum tube soft head 9; the part of the jejunum tube body extending the stomach tube 2 is provided with a balloon 6; the inside of the balloon 6 is communicated with the jejunum tube body; one end of the cavity of the filling cavity 7 is connected with the inside of the balloon 6 and communicated in the jejunum tube 3; the other end of the cavity of the filling cavity 7 is connected and communicated with the jejunum tube movable joint 4; the part of jejunum pipe body length in stomach tube 2 is the spiral and the end is provided with multiunit side opening.

Also comprises a guide wire handle 8; the guide wire handle 8 is detachably connected with the guide wire 1. The jejunum tube soft head 9 is a round soft head. The joint 5 for the stomach tube comprises a stomach decompression port end 10, a liquid injection port end 11 and a drainage port end 12; the stomach decompression opening end 10, the liquid injection opening end 11 and the drainage opening end 12 are respectively connected with and communicated with the stomach tube 2. The gastric tube 2 includes first to third orifices; the gastric decompression orifice end 10 is connected with the first orifice; the liquid injection port end 11 is connected with the second cavity; the drain end 12 is connected to the third lumen.

The drainage port end 12 is an integrated sealing plug; the stomach decompression mouth end 10 and the liquid injection mouth end 11 are both in an open horn shape, and rubber sealing rings are arranged outside the inlet of the stomach decompression mouth end 10 and the inlet of the liquid injection mouth end 11. The length of the jejunum tube body can be increased or decreased according to the actual clinical needs. The joint 5 for the stomach tube, the stomach tube 2 and the jejunum tube 3 are made of polyurethane.

The end of the gastric tube 2 is provided with a plurality of side holes 13 to facilitate the extraction of gastric juice and the implementation of gastric decompression. The tail end of the jejunum tube 3 is spiral and is provided with a plurality of groups of side holes, so that the jejunum tube can conveniently extend into the stomach tube 2.

In specific use, an operator firstly puts the guide wire 1 into the jejunum through an endoscope, then inserts the proximal end of the guide wire 1 into the soft head opening at the tail end of the jejunum tube 3, and puts the nasal gastrointestinal tube into the jejunum under the guidance of the guide wire 1. An operator firstly inserts the guide wire 1 into the jejunum tube 3 completely, then pulls out a part of the guide wire 1, then pushes the guide wire 1 to the tail end of the jejunum tube 3, the jejunum tube 3 is arranged in a cavity in the stomach tube 2, the patient is in a state of endoscopy, confirms the length of the stomach tube 2 needing to be inserted, selects the nostril of the intubated patient, delivers the pipeline of the stomach tube 2 inwards along the nostril until the head of the pipeline reaches the throat, inserts the lubricated endoscope into the stomach from the oral cavity according to a conventional method, grasps the head of the jejunum tube 3 by the inserted endoscope clamp, delivers the pipeline and the endoscope into the stomach together, the endoscope clamp and the tail end of the pipeline are close to the head end part of the endoscope, inserts the endoscope clamp and the pipeline into the pylorus under the endoscope, delivers the endoscope clamp and the pipeline into the jejunum part, and needs to be noted that after the guide wire 1 is removed, the jejun, the length of the retraction part is continuously inserted into the gastrointestinal tract so as to ensure that the tail end of the pipeline is at a proper position after the guide wire 1 is removed, then the tail end of the pipeline is fixed by the balloon 6 of the jejunum tube 3, the inside of the balloon 6 is communicated with the jejunum tube 3, and one end of the cavity of the filling cavity 7 is connected with the inside of the balloon 6 and is communicated in the jejunum tube 3; the other end of the cavity of the filling cavity 7 is connected and communicated with the jejunum tube movable joint 4; the balloon 6 can be inflated into the external gas medium through the filling cavity 7 to expand and fix the position. The endoscope is retracted into the stomach by grasping the head of the tube with the endoscope forceps, which remain in place. Then, the guide wire 1 is drawn out of the jejunum tube 3 by grasping the tube with an endoscope forceps, and the tube head of the jejunum tube 3 is fixed to the small intestine portion in a return spiral shape. Finally, the endoscope forceps are released and pulled into the endoscope, and the endoscope and the guide wire 1 are withdrawn.

The head end of jejunum pipe 3 is soft portion button head, is difficult to damage the small intestine wall in the insertion process, is difficult to cause patient's secondary injury, sets up sacculus 6 and has strengthened the effect of nose gastrointestinal tract pipe in use location, has reduced other fixed position's device, is favorable to the reduction of medical supplies, has reduced medical equipment's cost.

In addition, the combination of stomach tube 2 and jejunum pipe 3 is not fixed, adopt pipe box union coupling mode, keep another pipeline when can withdrawing from a pipeline, be favorable to the multipurpose use of nose gastrointestinal tract, can replace the gastric decompression intestines nutrition tube that present clinical usefulness, when the gastrointestinal decompression function does not need, can take out stomach tube 2, directly keep jejunum pipe 3 alone to carry out subsequent nutrition support treatment or no longer need the intestinal to feed, then can take out jejunum pipe 3 alone through jejunum pipe activity joint 4, only keep stomach tube 2, have great significance to improving clinical curative effect.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. An endoscope guided nasogastric tube, characterized in that: comprises a guide wire (1), a stomach tube (2), a jejunum tube (3), a jejunum tube movable joint (4), a stomach tube joint (5), a balloon (6) and an inflation cavity (7); the gastric tube (2) comprises at least one orifice; the jejunum tube movable joint (4) is detachably connected with the jejunum tube (3); the jejunum tube movable joint (4) is movably connected with the stomach tube joint (5); the stomach tube connector (5) is connected with the stomach tube (2); the jejunum tube (3) is communicated from the inside of the joint (5) for the stomach tube, is inserted into the cavity of the stomach tube (2), is led out from the tail end of the stomach tube (2) through the tube cavity of the whole stomach tube (2), and the length of the jejunum tube (3) is larger than that of the stomach tube (2); the jejunum tube (3) forms a stomach tube (2) channel of an annular gap at the tail end of the stomach tube (2) through the inner cavity of the stomach tube (2); the tail end of the stomach tube (2) is subjected to smooth taper treatment; the stomach tube (2) is movably sleeved with the jejunum tube (3); the guide wire (1) is inserted from the inlet of the jejunum tube movable joint (4) or is led into the tail end of the jejunum tube (3), and the length of the guide wire (1) is greater than the sum of the lengths of the gastric tube (2) and the jejunum tube (3); the tail end of the stomach tube (2) is provided with a plurality of groups of side holes (13); the jejunum tube (3) comprises a jejunum tube body and a jejunum tube soft head (9); the jejunum tube body is connected with the jejunum tube soft head (9); a balloon (6) is arranged on the part of the jejunum tube body extending the stomach tube (2); the inside of the balloon (6) is communicated with the jejunum tube body; one end of the cavity channel of the filling cavity (7) is connected with the inside of the balloon (6) and communicated in the jejunum tube (3); the other end of the cavity of the filling cavity (7) is connected and communicated with the jejunum tube movable joint (4); the part of the jejunum tube body, which is longer than the stomach tube (2), is spiral and the tail end of the jejunum tube body is provided with a plurality of groups of side holes.

2. The endoscopically guided nasogastrointestinal tube of claim 1, wherein: also comprises a guide wire handle (8); the guide wire handle (8) is detachably connected with the guide wire (1).

3. The endoscopically guided nasogastrointestinal tube of claim 1, wherein: the jejunum tube soft head (9) is a round soft head.

4. The endoscopically guided nasogastrointestinal tube of claim 1, wherein: the joint (5) for the stomach tube comprises a stomach decompression port end (10), a liquid injection port end (11) and a drainage port end (12); the stomach decompression opening end (10), the liquid injection opening end (11) and the drainage opening end (12) are respectively connected with and communicated with the stomach tube (2).

5. The endoscopically guided nasogastrointestinal tube of claim 4, wherein: the gastric tube (2) comprises first to third orifices; the gastric decompression orifice end (10) is connected with the first orifice; the liquid injection port end (11) is connected with the second cavity; the drainage port end (12) is connected with the third cavity port.

6. An endoscopically guided nasogastrointestinal tube according to claim 4 or 5, wherein: the drainage port end (12) is an integrated sealing plug; the gastric decompression port end (10) and the liquid injection port end (11) are both in an open horn shape; rubber sealing rings are arranged on the outer side of the inlet of the stomach decompression port end (10) and the outer side of the inlet of the liquid injection port end (11).

7. The endoscopically guided nasogastrointestinal tube of claim 1, wherein: the length of the jejunum tube body can be increased or decreased according to the actual clinical needs.

8. The endoscopically guided nasogastrointestinal tube of claim 1, wherein: the joint (5) for the stomach tube, the stomach tube (2) and the jejunum tube (3) are made of polyurethane.