CN214762832U

CN214762832U - Joint of esophagus dilating bougie

Info

Publication number: CN214762832U
Application number: CN202120425363.5U
Authority: CN
Inventors: 刘华敏; 魏丽萍
Original assignee: Jiangyin Peoples Hospital
Current assignee: Jiangyin Peoples Hospital
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-11-19
Anticipated expiration: 2031-02-26

Abstract

The utility model discloses an adapter of an esophagus dilating bougie, which comprises a base, wherein the base is provided with a water filling port which is used for connecting a water filling device; the base is also provided with a closed annular air bag; an inserting channel is formed on the circumferential inner side wall of the air bag, and the esophagus expansion bougie is abutted with the circumferential inner side wall of the air bag in an inflated state; the plug-in channel is communicated with the water filling port in a sealing way. The adapter of the esophagus expansion bougie forms an insertion channel through the circumferential inner side wall of the air bag, and after the esophagus expansion bougie is inserted into the insertion channel, the circumferential inner side wall of the air bag is hermetically connected with the esophagus expansion bougie, so that water leakage is avoided during water injection, and the water injection efficiency and the smooth proceeding of the esophagus expansion operation are guaranteed.

Description

Joint of esophagus dilating bougie

Technical Field

The utility model belongs to the technical field of the esophagus expansion technique and specifically relates to an adapter of esophagus expansion bougie.

Background

Bougie dilation is the more common esophageal dilation, and is mainly applied to non-dynamic stenosis. When the bougie expansion is carried out, a guide wire penetrates through a cavity in the center of the columnar bougie, the bougie is guided into the over-narrow part of the esophagus, and the expansion is carried out after the bougie stays for about 3 minutes.

In order to facilitate the guide wire to pass through the cavity channel inside the bougie, water needs to be injected into the cavity channel in the center of the bougie in advance, at present, a syringe is generally used for injecting water into the probe, but because the outer diameter of the syringe nipple is single, and the esophagus expansion bougie has various different specifications (the outer diameter is between 5mm and 15 mm), the nipple of the syringe is difficult to realize sealing matching with the bougies with different specifications, water leakage is easy to occur between the syringe and the bougie in the water injection process, the esophagus expansion operation is affected, and the water injection efficiency is reduced. Therefore, there is a need for an adaptor for an esophageal dilation bougie.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide an adapter for an esophagus expansion bougie for preventing water injection from being revealed.

In order to realize the technical effects, the utility model adopts the technical scheme that: an adapter of an esophagus expansion bougie comprises a base, wherein a water injection port is arranged on the base and is used for being connected with a water injection device; the base is also provided with a closed annular air bag; the peripheral inner side wall of the air bag forms an insertion channel, and the esophagus expansion bougie is abutted with the peripheral inner side wall of the air bag in an inflated state; the inserting channel is communicated with the water filling port in a sealing mode.

Preferably, the air bag is prevented from being damaged by the outer edge of the end part of the esophageal dilatation bougie during splicing in order to facilitate the splicing connection of the esophageal dilatation bougie and the adaptor, and is connected with an inflation and air extraction device.

Preferably, in order to realize the air suction and inflation operation of the air bag, the air suction and inflation device comprises an air storage cylinder, and a piston slides in the air storage cylinder and is in sealing fit with the air storage cylinder; one end of the air storage cylinder is arranged in a sealing mode, the other end of the air storage cylinder is arranged in an opening mode, and an air storage cavity formed by the air storage cylinder, the sealing end of the air storage cylinder and the piston in a surrounding mode is communicated with an inner cavity of the air bag; the piston is fixedly connected with a piston rod, and the piston rod protrudes out of the opening of the air storage cylinder.

Preferably, for convenience of operation, the air reservoir is fixedly connected with the base, and the opening direction of the air reservoir is the same as the water injection direction of the water injection port.

Preferably, in order to reduce the pressure applied to the hand of the operator when the piston rod is pressed, so as to reduce the discomfort of the operator, a pressure reducing plate is connected to one end of the piston rod protruding out of the air reservoir.

Preferably, in order to facilitate the insertion of the esophageal dilatation bougie and the air bag, the bougie insertion end of the insertion channel is in a flaring shape.

Preferably, a gap is formed between the water injection end and the water injection port to avoid damaging the air bag at the outer edge of the end part of the esophageal dilatation probe when the esophageal dilatation probe is inserted.

Preferably, in order to enhance the compatibility of the adaptor, the adaptor can be suitable for esophagus expansion bougies with different tube diameters, the minimum inner diameter of the bougie insertion end is less than 0.5cm, and the maximum outer diameter of the bougie insertion end is greater than 1.5 cm.

Preferably, in order to ensure that the circumferential inner side wall of the air bag is tightly attached to the circumferential outer side wall of the esophagus expansion bougie after the air bag is inserted, the air bag is in sealing connection with the esophagus expansion bougie, and the air bag is made of an elastic material.

To sum up, the utility model discloses the adapter of esophagus expansion bougie forms the grafting passageway through the circumference inside wall of gasbag, inserts esophagus expansion bougie back in the grafting passageway, and the circumference inside wall and the esophagus expansion bougie sealing connection of gasbag take place to leak when avoiding the water injection to guaranteed going on smoothly of water injection efficiency and esophagus expansion art.

Drawings

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

fig. 2 is a schematic structural view of the use state of embodiment 1 of the present invention;

fig. 3 is a schematic structural diagram of embodiment 2 of the present invention;

fig. 4 is a schematic structural diagram of embodiment 3 of the present invention;

in the figure: 1. the device comprises a base, 1-1 parts of a water injection port, 2 parts of an air bag, 2-1 parts of an inserting channel, 3 parts of an air inflation and extraction device, 3a parts of an air storage cylinder, 3b parts of a piston rod, 3c parts of a piston, 4 parts of a pressure reducing plate, 5 parts of a support ring, 6 parts of an esophagus expansion bougie and 7 parts of a water injection device.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

Example 1

As shown in fig. 1 and 2, the joint of the esophageal dilatation probe of the embodiment 1 comprises a base 1, wherein a water injection port 1-1 is arranged on the base 1, the water injection port 1-1 is used for connecting a water injection device 7, and the water injection device 7 is a syringe; the base 1 is also provided with a closed-loop air bag 2, and the material of the air bag 2 is latex; the outer edge of one end of the air bag 2 adjacent to the base 1 is fixedly connected with the base 1; in an inflated state, the circumferential inner side wall of the air bag 2 forms an insertion channel 2-1, and the insertion channel 2-1 is used for sealing and inserting the esophageal dilatation bougie; the inserting channel 2-1 is hermetically communicated with the water filling port 1-1; the insertion end of the bougie of the splicing channel 2-1 is in a flaring shape, the minimum inner diameter of the insertion end is less than 0.5cm, and the maximum outer diameter of the insertion end is more than 1.5 cm.

When the adaptor is used, a nipple of a syringe is inserted into the water filling port 1-1, the water filling end of the esophagus expansion bougie 6 is inserted into the inserting channel 2-1 on the inner side of the air bag 2, the esophagus expansion bougie 6 is in contact with the circumferential inner side wall of the air bag 2 in the inserting process, and then the air bag 2 is squeezed, so that the circumferential inner side wall of the air bag 2 is in sealing fit with the circumferential outer side wall of the esophagus expansion bougie 6 (as shown in fig. 2). Because the water filling port 1-1 is communicated with the plug-in channel 2-1 in a sealing way, when water is filled, water discharged from the water filling device 7 flows through the water filling port 1-1 and then enters the esophagus expansion bougie 6 through the plug-in channel 2-1, thereby avoiding the leakage of the water flow from the end part of the esophagus expansion bougie 6 and ensuring the smooth proceeding of the esophagus expansion and the water filling efficiency.

In the embodiment, the air bag 2 is made of latex, so that the air bag has elasticity, the circumferential inner side wall of the air bag 2 can be tightly attached to the circumferential outer side wall of the esophageal dilatation probe 6 when the air bag is extruded, the sealing connection between the air bag and the esophageal dilatation probe is ensured, and as a replacement of similar effects, the air bag 2 can also be made of other elastic materials (such as rubber); the insertion end of the bougie of the insertion channel 2-1 is in a flaring shape, so that the insertion channel 2-1 has a guiding function, the minimum inner diameter of the insertion end of the bougie is limited to be less than 0.5cm, the maximum outer diameter of the insertion end of the bougie is limited to be more than 1.5cm, the adaptor is suitable for various esophagus expansion bougies with the pipe diameter of 5-15 mm, and compatibility is enhanced.

Example 2

As shown in FIG. 3, the joint of the esophageal dilation bougie of example 2 is based on example 1, except that a support ring 5 is connected between the balloon 2 and the base 1.

Utilize support ring 5 to make gasbag 2 and base 1 phase separation for there is the clearance between grafting passageway 2-1 and the water filling port 1-1, after esophagus expansion bougie 6 inserted grafting passageway 2-1 inboard, gasbag 2 can warp to base 1, avoids its tip outer fringe and gasbag 2 contact when esophagus expansion bougie 6 supports and leans on base 1, leads to gasbag 2 impaired, so, has prolonged the life of gasbag 2.

It should be noted that other methods can also be adopted, so that a gap exists between the insertion channel 2-1 and the water injection port 1-1, for example, a limiting pipe is fixed on the base 1, the outer edge of the airbag 2 is fixedly connected with the inner wall of the limiting pipe, and a gap exists between the airbag 2 and the base 1 through the limiting pipe.

Example 3

As shown in FIG. 4, the joint of the esophageal dilatation probe of example 3 is based on example 1 except that an inflation suction device 3 is connected to the balloon 2; the inflation and air extraction device 3 comprises an air storage cylinder 3a, and a piston 3c slides in the air storage cylinder 3a and is in sealing fit with the air storage cylinder 3 a; one end of the air storage cylinder 3a is arranged in a sealing way, the other end of the air storage cylinder is arranged in an opening way, and an air storage cavity formed by enclosing the air storage cylinder 3a, the sealing end of the air storage cylinder and the piston 3c is communicated with the inner cavity of the air bag 2; the piston 3c is fixedly connected with a piston rod 3b, and the piston rod 3b protrudes out of an opening of the air storage cylinder 3 a; four air cylinders 3a are arranged, and the four air cylinders 3a are circumferentially distributed on the outer side of the air bag 2; the piston rod mechanism further comprises a closed-loop decompression plate 4, and the decompression plate 4 is fixedly connected with the end parts of the four piston rods 3b.

When the esophagus dilating probe is used, the piston rod 3b is pulled through the decompression plate 4, so that the air in the air bag 2 is pumped into the air storage cylinder 3a, the air bag 2 contracts in shape, an operator holds the esophagus dilating probe 6 by hand, the end part of the esophagus dilating probe 6 abuts against the base 1, and a channel of the esophagus dilating probe 6 is communicated with the water injection port 1-1; then the hand of the operator slides along the esophageal dilatation bougie 6, presses the pressure reducing plate 4 to the air storage cylinder 3a, drives the piston 3c to move, so that the air in the air storage cavity is injected into the air bag 2, and after the air bag 2 expands, the circumferential inner side wall of the air bag leans against the circumferential outer side wall of the esophageal dilatation bougie 6, and the sealed connection between the esophageal dilatation bougie 6 and the air bag 2 is realized.

By adopting the operation mode, the outer edge of the end part of the esophagus expansion bougie 6 can be prevented from contacting the air bag 2 when being inserted, so that the air bag 2 is prevented from being damaged, the normal use of the air bag 2 is ensured, and the service life of the air bag 2 is prolonged; can drive a plurality of piston rods 3b simultaneously through decompression board 4 and remove to the pressurized area of increase operating personnel hand reduces the pressure that operating personnel hand received, thereby alleviates uncomfortable and feels.

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 improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. An adapter of an esophagus dilating bougie is characterized in that:

the water injection device comprises a base (1), wherein a water injection port (1-1) is arranged on the base (1), and the water injection port (1-1) is used for being connected with a water injection device;

the base (1) is also provided with a closed annular air bag (2); the circumferential inner side wall of the air bag (2) forms an inserting channel (2-1), and the esophagus expanding bougie is abutted with the circumferential inner side wall of the air bag (2) in an inflated state; the plug-in channel (2-1) is communicated with the water filling port (1-1) in a sealing way.

2. The adapter for an esophageal dilation bougie of claim 1, wherein: the air bag (2) is connected with an inflation and air extraction device (3).

3. An adaptor for an esophageal dilation bougie according to claim 2, wherein: the inflation and air extraction device (3) comprises an air storage cylinder (3 a), and a piston (3 c) slides in the air storage cylinder (3 a) and is in sealing fit with the air storage cylinder; one end of the air storage cylinder (3 a) is arranged in a sealing mode, the other end of the air storage cylinder is arranged in an opening mode, and an air storage cavity formed by the air storage cylinder (3 a) and the sealing end of the air storage cylinder and the piston (3 c) in a surrounding mode is communicated with the inner cavity of the air bag (2); the piston (3 c) is fixedly connected with a piston rod (3 b), and the piston rod (3 b) protrudes out of an opening of the air storage cylinder (3 a).

4. An adaptor for an esophageal dilation bougie according to claim 3, wherein: the air storage cylinder (3 a) is fixedly connected with the base (1), and the opening direction of the air storage cylinder (3 a) is the same as the water injection direction of the water injection port (1-1).

5. The adapter for an esophageal dilation bougie of claim 4, wherein: one end of the piston rod (3 b) protruding out of the air storage cylinder (3 a) is connected with a pressure reducing plate (4).

6. The adapter for an esophageal dilation bougie of claim 1, wherein: the insertion end of the bougie of the insertion channel (2-1) is in a flaring shape.

7. An adaptor for an esophageal dilation bougie according to claim 6, wherein: the minimum inner diameter of the bougie inserting end is smaller than 0.5cm, and the maximum outer diameter of the bougie inserting end is larger than 1.5 cm.

8. The adapter for an esophageal dilation bougie of claim 1, wherein: a gap is reserved between the inserting channel (2-1) and the water injection port (1-1).

9. The adapter for an esophageal dilation bougie of claim 1, wherein: the air bag (2) is made of elastic material.