阅读说明：本技术 一种沙漏型取石气囊 (Hourglass-shaped stone-taking air bag ) 是由 褚衍六 褚瀚阳 张娟 于 2019-08-26 设计创作，主要内容包括：本发明公开了一种沙漏型取石气囊,组合管体包括同心设置的导丝管、第一流体管和第二流体管；组合管体的一端设置有第一封盖；导丝导入管贯穿第一封盖与导丝管连通；第一流体导入管贯穿第一封盖与第一流体管连通；第二流体导入管贯穿第一封盖与第二流体管连通；第一流体管的另一端管口与沙漏型气囊连通；导丝管另一端贯穿沙漏型气囊,伸出至沙漏型气囊外,并且管口设置有第二封盖；第二流体管的另一端管口延伸到第一流体管与沙漏型气囊的连接处,并设置有第三封盖；导丝位于导丝管内,一端伸出至导丝导入管外。本发明公开提供了一种沙漏型取石气囊装置,在取石过程中避免漏掉小结石,同时避免将结石向胆管壁挤压。(The invention discloses an hourglass-shaped calculus removing air bag, wherein a combined pipe body comprises a wire guide pipe, a first fluid pipe and a second fluid pipe which are concentrically arranged; one end of the combined pipe body is provided with a first sealing cover; the guide wire leading-in pipe penetrates through the first sealing cover and is communicated with the guide wire pipe; the first fluid introducing pipe penetrates through the first sealing cover and is communicated with the first fluid pipe; the second fluid introducing pipe penetrates through the first sealing cover and is communicated with the second fluid pipe; the other end pipe orifice of the first fluid pipe is communicated with the hourglass-shaped air bag; the other end of the guide wire tube penetrates through the hourglass-shaped air bag and extends out of the hourglass-shaped air bag, and a second sealing cover is arranged at the tube opening; the other end pipe orifice of the second fluid pipe extends to the joint of the first fluid pipe and the hourglass-shaped air bag, and a third sealing cover is arranged; the guide wire is positioned in the guide wire tube, and one end of the guide wire extends out of the guide wire leading-in tube. The invention discloses an hourglass-shaped calculus removing air bag device, which avoids small calculus from being leaked out in a calculus removing process and avoids the calculus from being extruded to the wall of a bile duct.)

1. an hourglass-shaped calculus removing air bag is characterized by comprising an hourglass-shaped air bag, a combined pipe body, a guide wire introducing pipe, a first fluid introducing pipe and a second fluid introducing pipe;

The combined pipe body comprises a guide wire pipe, a first fluid pipe and a second fluid pipe which are concentrically arranged, the guide wire pipe is positioned in a lumen of the first fluid pipe, and the first fluid pipe is positioned in a lumen of the second fluid pipe; a first sealing cover is arranged at one end of the combined pipe body, pipe orifices at one ends of the wire guide pipe, the first fluid pipe and the second fluid pipe are fixedly connected with the first sealing cover, and the first sealing cover seals the pipe orifices at one ends of the wire guide pipe, the first fluid pipe and the second fluid pipe; the guide wire leading-in pipe penetrates through the first sealing cover and is communicated with the guide wire pipe; the first fluid introducing pipe penetrates through the first sealing cover to be communicated with the first fluid pipe; the second fluid introducing pipe penetrates through the first sealing cover and is communicated with the second fluid pipe;

The other end orifice of the first fluid pipe is communicated with the hourglass-shaped air bag; the other end of the guide wire tube penetrates through the hourglass-shaped air bag and extends out of the hourglass-shaped air bag, a second sealing cover is arranged at the tube opening, and the tube opening is closed through the second sealing cover; the other end of the second fluid pipe extends to the joint of the first fluid pipe and the hourglass-shaped air bag, and a third sealing cover is arranged, so that the pipe orifice is closed by the third sealing cover; the guide wire is positioned in the guide wire tube, and one end of the guide wire extends out of the guide wire leading-in tube.

2. The hourglass-shaped calculus removing air bag according to claim 1, wherein the hourglass-shaped air bag comprises two conical air bags arranged in opposite directions, the conical tops of the two conical air bags are communicated, and the diameters of the bottom surfaces of the conical air bags are in direct proportion to the injection amount of the fluid.

3. An hourglass-shaped calculus removal balloon as claimed in claim 2, wherein the hourglass-shaped balloon is an elastomeric balloon.

4. the hourglass-shaped lithotomy balloon of claim 3, wherein said hourglass-shaped balloon is made of medical grade silicone.

5. The hourglass-shaped calculus removing bladder of claim 1 wherein said first fluid inlet tube and said fluid filled in said first fluid tube are air.

6. the hourglass balloon of claim 1, wherein the fluid introduced into said second fluid introduction tube and said second fluid introduction tube is a liquid contrast agent.

7. The hourglass-shaped lithotomy balloon of claim 1, wherein a guidewire inlet hole is formed in the first cover corresponding to the lumen of the guidewire tube, and a first fluid inlet hole is formed in the first cover corresponding to the lumen of the first fluid tube; and a second fluid lead-in pipe hole is formed in the first sealing cover at the position corresponding to the pipe cavity of the second fluid pipe.

8. The hourglass balloon of claim 7, wherein said guidewire port hole, said first fluid port hole, and said second fluid port hole are each provided with a sealing ring.

Technical Field

The invention relates to the technical field of medical appliances, in particular to an hourglass-shaped calculus removing air bag.

Background

Endoscopic Retrograde Cholangiopancreatography (ERCP) has been used for 50 years in the diagnosis and treatment of cholangiopancreatography, and has nearly replaced the traditional surgical treatment, especially for cholangiopancreatography. Endoscopic Retrograde Cholangiopancreatography (ERCP): the technique is that a duodenoscope is inserted into a descending part of duodenum to find a duodenal papilla, a contrast catheter is inserted into a biopsy pipeline to a papilla opening part, and after a contrast agent is injected, an X-ray radiography is carried out to display a pancreatic bile duct;

the calculus removing saccule is one of main calculus removing instruments, as the name suggests, the front end of the instrument is in a spherical shape, the saccule is often effective for large and hard calculus, but when small or soft calculus is encountered, the saccule is often used, so that the effect is usually achieved, the calculus cannot be removed, the calculus is not squeezed and flatly pasted on the wall of the duct, and the calculus removing saccule is more common in the calculus of the bile duct. The reasons are manifold: common bile duct calculus is usually soft, common bile duct calculus obstruction is usually accompanied by common bile duct expansion, and the lower segment near the tail end of the common bile duct is in an arc-shaped sac shape. Once the small stones are brought into the arc-shaped saccule by the saccule or the soft common bile duct stones are squeezed and flatly stuck to the lower section wall of the common bile duct, the difficulty in fetching the stones is increased, the operation is often in a dilemma, and even if the diameter of the calculus fetching saccule is adjusted by the gas injection amount, the calculus fetching saccule is not beneficial to overcoming the defects.

The calculus removing saccule has the defects that the calculus removing saccule can be partially replaced by the calculus removing net basket, but the calculus removing net basket is only partially replaced, because the size of the calculus can be known through perspective observation, but the hardness of the calculus is difficult to predict accurately. Once the small calculus is brought into the arc-shaped saccule by the saccule or the soft calculus is squeezed and flatly stuck to the lower section wall of the common bile duct, the stone basket is replaced, and the calculus cannot be taken out.

Disclosure of Invention

In view of the above, the present invention provides an hourglass-shaped air bag for fetching stones, which is to solve at least one of the above technical problems.

In order to achieve the purpose, the invention adopts the following technical scheme:

An hourglass-shaped calculus removing air bag comprises an hourglass-shaped air bag, a combined pipe body, a guide wire introducing pipe, a first fluid introducing pipe and a second fluid introducing pipe;

The combined pipe body comprises a guide wire pipe, a first fluid pipe and a second fluid pipe which are concentrically arranged, the guide wire pipe is positioned in a lumen of the first fluid pipe, and the first fluid pipe is positioned in a lumen of the second fluid pipe; a first sealing cover is arranged at one end of the combined pipe body, pipe orifices at one ends of the wire guide pipe, the first fluid pipe and the second fluid pipe are fixedly connected with the first sealing cover, and the first sealing cover seals the pipe orifices at one ends of the wire guide pipe, the first fluid pipe and the second fluid pipe; the guide wire leading-in pipe penetrates through the first sealing cover and is communicated with the guide wire pipe; the first fluid introducing pipe penetrates through the first sealing cover to be communicated with the first fluid pipe; the second fluid introducing pipe penetrates through the first sealing cover and is communicated with the second fluid pipe;

The other end orifice of the first fluid pipe is communicated with the hourglass-shaped air bag; the other end of the guide wire tube penetrates through the hourglass-shaped air bag and extends out of the hourglass-shaped air bag, a second sealing cover is arranged at the tube opening, and the tube opening is closed through the second sealing cover; the other end of the second fluid pipe extends to the joint of the first fluid pipe and the hourglass-shaped air bag, and a third sealing cover is arranged, so that the pipe orifice is closed by the third sealing cover; the guide wire is positioned in the guide wire tube, and one end of the guide wire extends out of the guide wire leading-in tube.

Preferably, in the hourglass-shaped air bag for fetching stones, the hourglass-shaped air bag comprises two conical air bags arranged in opposite vertex, the conical tops of the two conical air bags are communicated, and the diameter of the bottom surface of each conical air bag is in direct proportion to the injection amount of the fluid.

Preferably, in the hourglass-shaped calculus removal balloon, the hourglass-shaped balloon is an elastic balloon which can be inflated after being filled with a fluid.

Preferably, in the hourglass-shaped calculus removing air bag, the hourglass-shaped air bag is made of medical silica gel.

Preferably, in the hourglass-shaped calculus removing balloon, the fluid filled in the first fluid introducing pipe and the first fluid pipe is air.

Preferably, in the hourglass-shaped lithotomy balloon, the second fluid introduction tube and the fluid filled in the second fluid tube are liquid contrast agents, so that the radiography is facilitated.

preferably, in the hourglass-shaped lithotomy balloon, a guide wire inlet hole is formed in the first sealing cover corresponding to the lumen of the guide wire tube, and a first fluid inlet hole is formed in the first sealing cover corresponding to the lumen of the first fluid tube; and a second fluid lead-in pipe hole is formed in the first sealing cover at the position corresponding to the pipe cavity of the second fluid pipe.

Preferably, in the hourglass-shaped calculus removing balloon, the guide wire inlet hole, the first fluid inlet hole, and the second fluid inlet hole are provided with sealing rings, respectively, to prevent fluid leakage.

According to the technical scheme, compared with the prior art, the hourglass-shaped calculus removing air bag device is used for avoiding small calculus from being leaked in the calculus removing process and avoiding the calculus from being extruded to the wall of a bile duct.

The guide wire is inserted into the guide wire tube through the guide wire introducing tube, and due to the fact that the guide wire tube, the first fluid tube and the second fluid tube are of an integrated structure, the guide wire can enable the hourglass-shaped air bag to enter a bile duct or a pancreatic duct along with the guide wire, contrast agents are injected into the second fluid tube through the second fluid introducing tube, the bile duct or the pancreatic duct is observed under fluoroscopy, and gas is injected into the second fluid tube through the second fluid introducing tube, so that the hourglass-shaped air bag is expanded; the diameter of the bottom surface of the conical air bag in the hourglass-shaped air bag is in direct proportion to the injection amount of the fluid, and the hourglass-shaped air bag is suitable for bile ducts or pancreatic ducts with different diameters.

drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic diagram of the structure of the present invention;

Fig. 2 is an enlarged view of a portion a of fig. 1.

Detailed Description

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and 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.

the embodiment of the invention discloses an hourglass-shaped calculus removing air bag device, which avoids small calculus from being leaked out in a calculus removing process and avoids the calculus from being extruded to the wall of a bile duct.

The invention discloses an hourglass-shaped calculus removing air bag which comprises an hourglass-shaped air bag 1, a combined pipe body 2, a guide wire 3, a guide wire introducing pipe 4, a first fluid introducing pipe 5 and a second fluid introducing pipe 6;

The combined tube body 2 comprises a guide wire tube 21, a first fluid tube 22 and a second fluid tube 23 which are concentrically arranged, the guide wire tube 21 is positioned in a tube cavity of the first fluid tube 22, and the first fluid tube 22 is positioned in a tube cavity of the second fluid tube 23; a first sealing cover 24 is arranged at one end of the combined pipe body 2, pipe orifices at one ends of the wire guide pipe 21, the first fluid pipe 22 and the second fluid pipe 23 are fixedly connected with the first sealing cover 24, and the first sealing cover 24 seals the pipe orifices at one ends of the wire guide pipe 21, the first fluid pipe 22 and the second fluid pipe 23; the guide wire leading-in pipe 4 penetrates through the first sealing cover 24 and is communicated with the guide wire pipe 21; the first fluid introducing pipe 5 is communicated with the first fluid pipe 22 through the first sealing cover 24; the second fluid introducing pipe 6 penetrates through the first sealing cover 24 and is communicated with the second fluid pipe 23;

The other end orifice of the first fluid pipe 22 is communicated with the hourglass-shaped air bag 1; the other end of the guide wire tube 21 penetrates through the hourglass-shaped air bag 1 and extends out of the hourglass-shaped air bag 1, a second sealing cover 25 is arranged at the tube opening, and the tube opening is sealed through the second sealing cover 25; a pipe orifice at the other end of the second fluid pipe 23 extends to the joint of the first fluid pipe 22 and the hourglass-shaped air bag 1, a third sealing cover 26 is arranged, the pipe orifice is sealed by the third sealing cover 26, the third sealing cover 26 is annular, and a through hole for the first fluid pipe 22 to penetrate out is reserved in the middle of the third sealing cover 26; the guide wire 3 is positioned in the guide wire tube 21, and one end of the guide wire extends out of the guide wire leading-in tube 4.

In order to further optimize the technical scheme, the hourglass-shaped air bag 1 comprises two conical air bags arranged in an opposite mode, the conical tops of the two conical air bags are communicated, and the diameter of the bottom surface of each conical air bag is in direct proportion to the injection amount of the fluid.

In order to further optimize the technical scheme, the hourglass-shaped air bag 1 is an elastic air bag and can be expanded after being filled with fluid.

In order to further optimize the technical scheme, the hourglass-shaped air bag 1 is made of medical silica gel.

In order to further optimize the above technical solution, the fluid filled in the first fluid introducing pipe 5 and the first fluid pipe 22 is air.

in order to further optimize the above technical solution, the fluid filled in the second fluid introduction tube 6 and the second fluid tube 23 is a liquid contrast medium, which facilitates the contrast.

In order to further optimize the technical scheme, a guide wire lead-in pipe hole is formed in the position, corresponding to the pipe cavity of the guide wire pipe 21, of the first sealing cover 24, and a first fluid lead-in pipe hole is formed in the position, corresponding to the pipe cavity of the first fluid pipe 22, of the first sealing cover 24; the first cover 24 is provided with a second fluid inlet hole corresponding to the lumen of the second fluid tube 23.

In order to further optimize the technical scheme, sealing rings are respectively arranged on the guide wire inlet pipe hole, the first fluid inlet pipe hole and the second fluid inlet pipe hole, so that fluid leakage is prevented.

In order to further optimize the technical scheme, a plurality of hollow connecting fins for supporting are connected between the wire guide tube 21 and the first fluid tube 22 and between the first fluid tube 22 and the second fluid tube 23 respectively to support the hollow connecting fins.

In order to further optimize the above technical solution, the second fluid introduction tube 6 is provided with an exhaust hole for exhausting the gas remaining in the second fluid introduction tube 6 and the second fluid tube 23 when the contrast medium is filled.

In order to further optimize the technical scheme, when the hourglass-shaped air bag 1 needs to be inflated, the first fluid introducing pipe 5 is communicated with a micro air pump.

In order to further optimize the above technical solution, when the second fluid introduction tube 6 needs to be filled with a contrast medium, the contrast medium is injected into the second fluid introduction tube 6 by a syringe.

In order to further optimize the technical scheme, metal markers are arranged at two ends of the hourglass-shaped air bag 1, so that the requirement of observing and positioning under X-ray fluoroscopy is met.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.