CN211050651U

CN211050651U - Multilayer air bag dilating catheter for hepatobiliary surgery

Info

Publication number: CN211050651U
Application number: CN201821126309.5U
Authority: CN
Inventors: 陈敏胜
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-07-17
Filing date: 2018-07-17
Publication date: 2020-07-21
Anticipated expiration: 2028-07-17

Abstract

The utility model discloses a multilayer air bag expanding catheter for hepatobiliary surgery, which comprises a sleeve, wherein the inner side surface of the sleeve is sleeved with an injection tube and an air duct, the upper end of the outer side surface of the injection tube is provided with an injection tube valve, the upper end surface of the air duct is provided with a needle tube, the outer side surface of the needle tube is provided with scale marks, the left side of the upper end of the outer side surface of the needle tube is provided with an air outlet tube, the air outlet tube is provided with a second check valve, one side of the upper end of the outer side surface of the air duct, which is close to the needle tube, is provided with a first check valve, the middle part of the outer side surface of the sleeve is sleeved with an arc positioning cover, the multilayer air bag expanding catheter for hepatobiliary surgery has compact structure and convenient operation, occupies small space when in use, can effectively fix the position of a catheter, the first elastic belt is combined, the needle tube is arranged to facilitate the quantitative injection of gas.

Description

Multilayer air bag dilating catheter for hepatobiliary surgery

Technical Field

The utility model relates to the technical field of medical equipment, specifically a multilayer gasbag dilating catheter is used in hepatobiliary surgery.

Background

At present, the balloon dilatation catheter is mainly used for the dilatation of narrow lumen parts of human bodies, such as blood vessels, ureters, bile ducts, trachea, fallopian tubes, esophagus and the like. When the calculus in the bile duct is pushed out by the front end of the balloon dilatation catheter, the pushing-out effect is poor because the calculus is smooth, and the front end of the balloon dilatation bile duct is conical, most of the existing balloon dilatation catheters have smooth surfaces, and the catheter is easy to slide and shift when the balloon dilatation catheter is used or after the balloon dilatation catheter is expanded, which brings inconvenience to medical personnel and needs to be improved.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a multilayer gasbag expansion pipe for hepatobiliary surgery, can prevent effectively that gas expansion pipe from taking place the displacement when using, the use of giving gas expansion pipe has brought the facility, can effectively collect the calculus in the bile duct moreover, further promoted the utility model discloses an availability factor can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a multi-layer air bag expanding catheter for hepatobiliary surgery comprises a sleeve, wherein an injection tube and an air guide tube are sleeved on the inner side surface of the sleeve, an injection tube valve is arranged at the upper end of the outer side surface of the injection tube, a needle tube is arranged on the upper end surface of the air guide tube, scale marks are arranged on the outer side surface of the needle tube, an air outlet tube is arranged on the left side of the upper end of the outer side surface of the needle tube, a second one-way valve is arranged on one side, close to the needle tube, of the upper end of the outer side surface of the air guide tube, an arc-shaped positioning cover is sleeved in the middle of the outer side surface of the sleeve, a positioning sleeve sleeved with the sleeve is arranged on the upper end of the outer side surface of the arc-shaped positioning cover, an internal thread sleeve is arranged on the left side of the middle of the outer side surface of the positioning sleeve, a, the lower end of the outer side surface of the sleeve is provided with a flexible inner membrane, the outer side surface of the flexible inner membrane is provided with a flexible outer membrane, and the middle part of the inner side surface of the flexible inner membrane is connected with the lower end surface of the air guide pipe through a circulating pipe.

As an optimal technical scheme of the utility model, sheathed tube lateral surface upper end is equipped with the rectangle casing, and the rectangle casing has first tape head double-screw bolt through setting up the screw hole threaded connection at its right-hand member face.

As an optimal technical scheme of the utility model, the left end face of first tape head double-screw bolt rotates and is connected with positioning pressure plate, and positioning pressure plate's left surface is equipped with the arc draw-in groove that corresponds the setting with injection syringe and air duct joint respectively.

As a preferred technical scheme of the utility model, the quantity of air duct is two, and two air duct bilateral symmetry set up both ends about the medial surface middle part of flexible inner membrance.

As a preferred technical scheme of the utility model, the lateral surface lower extreme right side of first elastic webbing is equipped with magic tape surface, the female face of lateral surface lower extreme left side magic tape of second elastic webbing.

Compared with the prior art, the beneficial effects of the utility model are that: this multilayer gasbag expansion pipe for hepatobiliary surgery, compact structure, convenient operation, occupation space is little during the use, can effectively fix the position of a pipe, and setting up that first elastic webbing combines the second elastic webbing has made things convenient for the utility model discloses an installation is fixed, and setting up that first splint combine the second splint can be fixed sheathed tube position, and setting up of needle tubing has made things convenient for gaseous ration to pour into.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a left side view of the present invention;

fig. 4 is a partially enlarged schematic view of the present invention.

In the figure: 1 first elastic band, 2 flexible adventitia, 3 second elastic bands, 4 arc location covers, 5 location sleeve, 6 first tape head studs, 7 needle tubing, 8 syringe valves, 9 syringes, 10 rectangle casings, 11 sleeve pipes, 12 internal thread sleeves, 13 studs, 14 blast pipes, 15 blast pipe valves, 16 first splint, 17 second splint, 18 magic tape surfaces, 19 magic tape female surfaces, 20 flexible inner membranes, 21 runner pipes, 22 outlet ducts, 23 first check valves, 24 air ducts, 25 location clamp plates.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a multi-layer air bag expanding catheter for hepatobiliary surgery comprises a sleeve 11, an injection tube 9 and an air guide tube 24 are sleeved on the inner side surface of the sleeve 11, an injection tube valve 8 is arranged at the upper end of the outer side surface of the injection tube 9, a needle tube 7 is arranged on the upper end surface of the air guide tube 24, the needle tube 7 facilitates quantitative injection of gas, scale marks are arranged on the outer side surface of the needle tube 7, an air outlet tube 22 is arranged on the left side of the upper end of the outer side surface of the needle tube 7, a second one-way valve is arranged on the air outlet tube 22, a first one-way valve 23 is arranged on one side, close to the needle tube 7, of the upper end of the outer side surface of the air guide tube 24, a rectangular shell 10 is arranged on the upper end surface of the outer side surface of the sleeve 11, the rectangular shell 10 is in threaded connection with a first belt head stud 6 through a, an arc-shaped positioning cover 4 is sleeved in the middle of the outer side surface of the sleeve 11, a positioning sleeve 5 sleeved with the sleeve 11 is arranged at the upper end of the outer side surface of the arc-shaped positioning cover 4, an internal thread sleeve 12 is arranged on the left side of the middle of the outer side surface of the positioning sleeve 5, a stud 13 is connected with the internal thread sleeve 12 in a threaded manner, a first clamping plate 16 is arranged on the right end surface of the stud 13, a second clamping plate 17 is arranged on the right side of the middle of the inner side surface of the positioning sleeve 5, the first clamping plate 16 can fix the position of the sleeve 11 by combining with the second clamping plate 17, a first elastic belt 1 and a second elastic belt 3 are respectively arranged at the left end and the right end of the outer side surface of the arc-shaped positioning cover 4, the first elastic belt 1 is convenient to install and fix by combining with the second elastic belt 3, a magic tape surface 18 is arranged on the right, the lateral surface lower extreme of sleeve pipe 11 is equipped with flexible inner membrance 20, the lateral surface of flexible inner membrance 20 is equipped with flexible adventitia 2, the lower terminal surface that runner pipe 21 and air duct 24 are passed through in the medial surface middle part of flexible inner membrance 20 links to each other, the quantity of air duct 24 is two, two air duct 24 bilateral symmetry set up both ends about the medial surface middle part of flexible inner membrance 20, this multilayer gasbag expansion pipe for hepatobiliary surgery, compact structure, convenient operation, occupation space is little during the use, can effectively fix the position of a pipe.

When in use: the method comprises the steps of inserting a cannula 11 into a bile duct needing to be dredged of a patient, fixing an arc-shaped positioning cover 4 to a proper position through a first elastic belt 1 and a second elastic belt 3, rotating a stud 13, pushing a first clamping plate 16 to move rightwards through the stud 13, fixing the position of the cannula 11 through the first clamping plate 16 and a second clamping plate 17, inserting an injection tube 9 into the cannula 11, injecting external air into a cavity formed by a flexible inner membrane 20 and a flexible outer membrane 2 through a needle tube 7, propping up the flexible outer membrane 2 to prop open the bile duct of the patient, and pulling out calculus in the bile duct into the inner side face of the flexible inner membrane 20 when the cannula 11 is pulled upwards.

The utility model can be operated conveniently, occupies little space when in use, and is convenient for operation and use; the calculus pieces in the bile duct of the patient can be quickly cleaned, and the use convenience is improved; the arrangement of the needle tube 7 facilitates the quantitative injection of air, and improves the use convenience.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A multilayer balloon dilatation catheter for hepatobiliary surgery comprising a cannula (11), characterized in that: an injection tube (9) and an air guide tube (24) are sleeved on the inner side surface of the sleeve (11), an injection tube valve (8) is arranged at the upper end of the outer side surface of the injection tube (9), a needle tube (7) is arranged on the upper end surface of the air guide tube (24), scale marks are arranged on the outer side surface of the needle tube (7), an air outlet tube (22) is arranged on the left side of the upper end of the outer side surface of the needle tube (7), a second one-way valve is arranged on the air outlet tube (22), a first one-way valve (23) is arranged on one side, close to the needle tube (7), of the upper end of the outer side surface of the air guide tube (24), an arc-shaped positioning cover (4) is sleeved in the middle of the outer side surface of the sleeve (11), a positioning sleeve (5) sleeved with the sleeve (11) is arranged on the upper end of, the right-hand member face of double-screw bolt (13) is equipped with first splint (16), the medial surface middle part right side of position sleeve (5) is equipped with second splint (17), both ends are equipped with first elastic webbing (1) and second elastic webbing (3) respectively about the lateral surface of arc position guard (4), the lateral surface lower extreme of sleeve pipe (11) is equipped with flexible inner membrance (20), the lateral surface of flexible inner membrance (20) is equipped with flexible adventitia (2), the medial surface middle part of flexible inner membrance (20) is passed through runner pipe (21) and is linked to each other with the lower terminal surface of air duct (24).

2. The multilayer balloon dilatation catheter for hepatobiliary surgery of claim 1, wherein: the upper end of the outer side surface of the sleeve (11) is provided with a rectangular shell (10), and the rectangular shell (10) is in threaded connection with a first stud with a head (6) through a threaded hole formed in the right end surface of the rectangular shell.

3. The multilayer balloon dilatation catheter for hepatobiliary surgery of claim 2, wherein: the left end face of the first belt head stud (6) is rotatably connected with a positioning pressing plate (25), and the left side face of the positioning pressing plate (25) is provided with arc-shaped clamping grooves which are correspondingly connected with the injection tube (9) and the air guide tube (24) in a clamping mode respectively.

4. The multilayer balloon dilatation catheter for hepatobiliary surgery of claim 1, wherein: the number of the air ducts (24) is two, and the two air ducts (24) are arranged at the left end and the right end of the middle part of the inner side surface of the flexible inner membrane (20) in a bilateral symmetry manner.

5. The multilayer balloon dilatation catheter for hepatobiliary surgery of claim 1, wherein: the right side of the lower end of the outer side face of the first elastic belt (1) is provided with a magic tape surface (18), and the left side of the lower end of the outer side face of the second elastic belt (3) is provided with a magic tape female surface (19).