CN216167366U

CN216167366U - Double-air-bag auxiliary device for enteroscopy

Info

Publication number: CN216167366U
Application number: CN202121772511.7U
Authority: CN
Inventors: 马文聪; 张筱凤; 楼奇峰
Original assignee: Hangzhou First Peoples Hospital
Current assignee: Hangzhou First Peoples Hospital
Priority date: 2021-07-31
Filing date: 2021-07-31
Publication date: 2022-04-05
Anticipated expiration: 2031-07-31

Abstract

The utility model relates to the technical field of medical instruments, in particular to a double-air-bag auxiliary device for enteroscopy, which comprises an endoscope and a stretching mechanism, wherein the endoscope is arranged in the double-air-bag auxiliary device; the stretching mechanism comprises a first fixing part, a connecting rod and a second fixing part; the endoscope is inserted in the first fixing part and the second fixing part; connect through the connecting rod between first fixed part and the second fixed part, in the extension mechanism carried the entering human body through the scope, two point location are realized to first fixed part of external operation control and second fixed part in the human body, and the intestinal of human bending is flare-outed through the hardness of connecting rod to the looking over of scope camera lens is convenient for. The intestinal tract bending part is spread under the assistance of the first air bag and the second air bag which are inflated, so that the focal part can be clearly observed by an enteroscope, and the treatment is carried out.

Description

Double-air-bag auxiliary device for enteroscopy

Technical Field

The utility model relates to the technical field of medical instruments, in particular to a double-air-bag auxiliary device for enteroscopy.

Background

The painless enterogastroscope adopts a new painless technology, so that the patient can complete the whole examination and treatment process in a painless state. The gastroscopy only takes 20-30 minutes and the colonoscope only takes 30-50 minutes. After examination and treatment, the patient generally can go home only by resting for about 5 to 10 minutes. The gastroscope examination can not be carried out with any food, and the enteroscope needs to take cathartic to clean intestinal contents, so that the observation of the gastroscope is convenient.

The total length of the small intestine of an adult is about 5 to 7 meters, and accounts for 70 to 80 percent of the total length of the gastrointestinal tract. The incidence of small intestine diseases accounts for 0.3% -1% of digestive tract diseases, but the diagnosis and treatment of small intestine diseases are always difficult in medicine due to the special anatomical structure of the small intestine diseases. The enteroscopy is a western medicine examination method and also refers to an instrument used for the examination, the real situation of the examined part can be directly observed through the enteroscopy, and the suspicious lesion part can be further clearly diagnosed through pathological biopsy and cytology examination. The endoscope extends into the intestinal tract by means of a thin and soft tube, a doctor can directly observe the pathological changes of the intestinal tract, particularly tiny pathological changes, but the bending and the folding of the intestinal tract cavity of a patient lead to overlarge turning angle of the enteroscope when the enteroscope is used for detection, so that the focus can not be seen during the enteroscope detection, and the subsequent treatment on the focus can not be conveniently carried out.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

The utility model aims to solve the problems that the bending and folding of the intestinal tract cause overlarge turning angle of the enteroscope, focus can not be looked at, focus can not be found and treated and the like in the enteroscope in the prior art, and provides a double-air bag auxiliary device for enteroscope examination.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A double-air bag auxiliary device for enteroscopy comprises an endoscope and a stretching mechanism; the stretching mechanism comprises a first fixing part, a connecting rod and a second fixing part; the endoscope is inserted in the first fixing part and the second fixing part; the first fixing part and the second fixing part are connected through a connecting rod, the stretching mechanism is carried into a human body through an endoscope, the first fixing part and the second fixing part are controlled to realize two-point positioning in the human body through in-vitro operation, and the bent intestinal tract of the human body is straightened through the hardness of the connecting rod so as to be convenient for viewing of the lens of the endoscope; the first fixing part and the second fixing part are positioned in a human body through inflation and deflation, and are attached to and positioned on the outer wall of the intestinal tract when inflated; when the air is deflated, the first fixing part and the second fixing part can smoothly pass through the intestinal tract; the first fixing part and the second fixing part are both connected with a gas charging and discharging machine, and the gas charging and discharging machine is used for controlling charging and discharging.

Preferably, the first fixing portion includes a first fixing body and a first airbag; the first air bag is positioned at the periphery and outside the first fixing body; one end, far away from the second fixing part, of the connecting rod is connected with the first fixing body, and a first air inflation and deflation channel communicated with the first air bag is arranged in the connecting rod.

Preferably, the second fixing portion includes a second fixing body and a second airbag; the second air bag is positioned at the outer side of the periphery of the second fixing body and is positioned at one port close to the first fixing part; a through connecting channel is arranged on the inner wall of the second fixing body, and one end of the connecting channel extends to the outside for inflation and deflation; one end of the connecting rod, which is far away from the first fixing part, is connected in the connecting channel; and a second inflation and deflation channel communicated with the second air bag is arranged on the inner wall of the second fixed body and extends to the outside for inflation and deflation.

Preferably, the ends of the first air charging and discharging channel and the second air charging and discharging channel extending to the outside are connected with pressure detectors for monitoring the pressure values of the air after charging and discharging for the first air charging and discharging channel and the second air charging and discharging channel.

Preferably, the first fixing part, the endoscope and the second fixing part; the outer diameter of the endoscope is smaller than the inner diameters of the first fixing part and the second fixing part respectively.

Preferably, the first inflation and deflation channel and the second inflation and deflation channel are respectively provided with a sealing valve at the port.

Preferably, the connecting rod is made of a plastic material with certain hardness.

Preferably, the first fixing body, the endoscope and the second fixing body are coaxial.

Preferably, the closing valve comprises a valve body, a valve plate and a supporting disc; the valve plate and the supporting disk are respectively positioned in the valve body; the supporting disk is fixed in the valve body channel through a plurality of connecting rods; the middle part of the supporting disk is provided with a contact; the valve plate is positioned between the inner wall of the upper end surface of the valve body and the contact.

Preferably, the valve plate is made of a flexible material.

Preferably, the second fixing portion is made of a flexible material.

Preferably, the first and second fixing bodies have the same inner diameter.

3. Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

the utility model provides a two gasbag auxiliary device for enteroscopy, when through enteroscopy, run into the focus and lie in the crooked department of intestinal and can not look at when treating, through aerifing first gasbag and second gasbag, under the effect of first gasbag and second gasbag, strut the crooked position of intestinal for the focus position is observed that the enteroscopy can be clear, and treat.

Two, be connected with the connecting rod in the one end of first fixed part, the connecting rod is the flexible plastic that has certain hardness, and the connecting rod is located the interface channel, and can be in the interface channel internalization, and first fixed part passes through the connecting rod to be connected with the second fixed part, when needs strut the intestinal, the connecting rod can utilize certain hardness to play the effect of support, and the flexibility that the connecting rod has in addition can be when the intestines mirror is crooked, crooked along with the intestines mirror.

And thirdly, a first inflation and deflation channel communicated with the first air bag is arranged in the connecting rod, a second inflation and deflation channel communicated with the second air bag is arranged on the inner wall of the second fixing body, closing valves are arranged at the ports of the first inflation and deflation channel and the second inflation and deflation channel, and the valve plate is contacted with the contact by pushing the valve plate, so that the valve plate is bent, and the opening of the closing valve is realized.

Drawings

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

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a cross-sectional view of a first stationary portion of the present invention;

FIG. 4 is a cross-sectional view of a second stationary portion of the present invention;

FIG. 5 is a schematic structural diagram of the pressure monitoring, charging and discharging integrated device of the present invention;

FIG. 6 is a cross-sectional view of the latching valve of the present invention;

FIG. 7 is a schematic view of the latching valve of the present invention in a forced open position;

FIG. 8 is a view of the first and second balloons of the present invention not inflated within the bowel;

FIG. 9 is an inflated condition view of the first and second air bags of the present invention;

fig. 10 is a view of the first and second balloons of the present invention inflated to a position within the intestine.

In the figure, 1, a first fixing part; 11. the air bag comprises a first fixing body 12, a first air bag 13, a support rod 131 and a first air charging and discharging channel;

2. an endoscope;

3. a second fixed part; 31. a second fixing body 311, a connecting channel 312, a second inflation and deflation channel 32 and a second air bag;

4. a closing valve; 41. the valve comprises a valve body, 42, a valve plate, 43, a supporting disk, 431 and a contact;

5. a pressure monitoring charging and discharging integrated device;

a. a focus of disease; b. intestinal tract.

Detailed Description

As shown in fig. 1 to 10, a double balloon auxiliary device for enteroscopy includes a first fixing portion 1, an endoscope 2, a connecting rod 13, and a second fixing portion 3. The first fixing portion 1 and the second fixing portion 3 are connected by a connecting rod 13. The outer diameter of the endoscope 2 is smaller than the inner diameter of the first fixing portion 1 and the second fixing portion 3, respectively, and the endoscope 2 can move in the first fixing portion 1 and the second fixing portion 3. The first fixing part 1, the endoscope 2 and the second fixing part 3 are coaxial. In the scheme, the first fixing part 1 and the second fixing part 3 are positioned in a human body through inflation and deflation, and the first fixing part 1 and the second fixing part 3 are attached to and positioned on the outer wall of the intestinal tract during inflation; when the air is deflated, the first fixing part 1 and the second fixing part 3 can smoothly pass through the intestinal tract.

Specifically, as shown in fig. 3, the first fixing portion 1 includes a first fixing body 11 and a first airbag 12. The first airbag 12 is located outside the periphery of the first fixing body 11, and one end of the connecting rod 13 is connected with the lower end of the first fixing body 11. A first inflation and deflation channel 131 communicated with the inner cavity of the first air bag 12 is arranged in the connecting rod 13, and the first air bag 12 can be inflated or deflated through the first inflation and deflation channel 131.

Specifically, as shown in fig. 4, the second fixing portion 3 includes a second fixing body 31 and a second airbag 32. The second airbag 32 is located at the outer side of the periphery of the second fixing body 31, and the second airbag 32 is located at one end of the second fixing body 31 close to the first fixing portion 1. The inner wall of the second fixing body 31 is provided with a second inflation and deflation channel 312 communicated with the second air bag 32, the second air bag 32 can be inflated or deflated through the second inflation and deflation channel 312, the inner wall of the second fixing body 31 is provided with a through connecting channel 311, and the connecting rod 13 is positioned in the connecting channel 311.

Specifically, the first fixing portion 1 and the second fixing portion 3 are both connected to a gas charging and discharging machine, and are controlled by the gas charging and discharging machine to perform charging and discharging, and the gas charging and discharging machine performs charging and discharging through the first charging and discharging channel 131 and the second charging and discharging channel 312, so that the charging amount can be determined by fixing the charging time. The first inflation and deflation channel 131 and the second inflation and deflation channel 312 are connected with a pressure detector at one end extending to the outside for monitoring the pressure value of the inflation and deflation gas in the first inflation and deflation channel 131 and the second inflation and deflation channel 312, so that gas can be added when the pressure is insufficient and can be released when the pressure is too high through detecting the gas pressure value, and the sizes of the first air bag 12 and the second air bag 32 can be controlled. Alternatively, as shown in fig. 5, one end of the first inflation/deflation channel 131 and the second inflation/deflation channel 312 extending to the outside may be connected to the pressure monitoring inflation/deflation integrated device 5, and the pressure monitoring inflation/deflation integrated device 5 is formed by integrating the pressure detector and the gas inflator in a single housing. The problems with pressure detectors and gas filling and discharging machines can be solved with the prior art.

Specifically, as shown in fig. 6 to 7, the closing valves 4 are respectively provided at the ports of the first inflation/deflation channel 131 and the second inflation/deflation channel 312. The closing valve 4 includes a valve body 41, a valve plate 42, and a support plate 43. The valve body 41 may be a port of the first inflation/deflation channel 131 and a port of the second inflation/deflation channel 312, or may be connected to the ports of the first inflation/deflation channel 131 and the second inflation/deflation channel 312 by a connection method such as a screw thread. The valve plate 42 has a certain flexibility, the valve plate 42 is located between the support plate 43 and the port of the valve body 41, when the closing valve 4 is closed, the surface of the valve plate 42 is attached to the inner wall of the port of the valve body 41, and the outer diameter of the valve plate 42 is smaller than the inner diameter of the channel of the valve body 41. The middle of the supporting disc 43 is provided with a contact 431, the contact 431 is connected to the inner wall of the valve body 41 through a plurality of connecting rods, one side of the contact 431 close to the valve sheet 42 is provided with a convex tip part, after the valve sheet 42 is stressed, the tip parts of the valve sheet 42 and the contact 431 are in contact with the valve sheet 42, and the valve sheet 42 is completely blocked by the tip part, so that the sealing valve 4 is opened for inflation.

Specifically, the connecting rod 13 is made of a plastic material with a certain hardness, and since the endoscope 2 passes through the second fixing body 31 and has a bent and folded shape in the intestinal tract, the second fixing portion 3 has a certain flexibility, and the connecting rod 13 has a certain hardness to support the intestinal tract in a straightening manner, so that the connecting rod 13 has a certain flexibility and a certain hardness.

When the endoscope is used, the endoscope 2 sequentially passes through the second fixing part 3 and the first fixing part 1, when a focus is located at a bent part of an intestinal tract, the first fixing part 1 is brought to one side of the focus a away from the endoscope 2 through the endoscope 2, as shown in fig. 10, the first air bag 12 is inflated through the first inflation and deflation channel 131, so that the outer wall of the first air bag 12 is attached to the inner wall of the intestinal tract, the intestinal tract is relatively fixed with the first fixing part 1, then the endoscope 2 is pulled back, because the first air bag 12 is positioned in the intestinal tract after being inflated, the endoscope 2 slides inside the first air bag 12, the head of the endoscope 2 is pulled to one side of the focus a away from the first air bag 12, in the pulling back process, the intestinal tract bent under certain hardness of the connecting rod 13 is straightened, at the moment, the second air bag 32 is inflated through the second inflation and deflation channel 312, the intestinal tract is relatively fixed with the second fixing part 3, so that the focus can appear in the sight range of the endoscope 2, thereby observing and determining the diagnosis and the treatment. It should be noted that in practice, the second balloon 32 will not become detached from the endoscope 2 during the retraction of the endoscope 2 due to an excessive retraction of the endoscope 2. After the operation of the focus a by the endoscope 2 is finished, the first air bag 12 and the second air bag 32 are deflated and taken out.

Claims

1. A double-balloon auxiliary device for enteroscopy is characterized by comprising an endoscope (2) and a stretching mechanism;

the stretching mechanism comprises a first fixing part (1), a connecting rod (13) and a second fixing part (3);

the endoscope (2) is inserted in the first fixing part (1) and the second fixing part (3);

the first fixing part (1) is connected with the second fixing part (3) through a connecting rod (13);

the stretching mechanism is carried into a human body through the endoscope (2), the first fixing part (1) and the second fixing part (3) are controlled to realize two-point positioning in the human body through in-vitro operation, and the bent intestinal tract of the human body is straightened through the hardness of the connecting rod (13) so as to facilitate the viewing of the lens of the endoscope (2);

the first fixing part (1) and the second fixing part (3) are positioned in a human body through inflation and deflation, and the first fixing part (1) and the second fixing part (3) are attached to the outer wall of the intestinal tract for positioning during inflation; when the air is deflated, the first fixing part (1) and the second fixing part (3) can smoothly pass through the intestinal tract; the first fixing part (1) and the second fixing part (3) are both connected with a gas charging and discharging machine, and the gas charging and discharging machine is used for controlling charging and discharging.

2. A double balloon auxiliary device for enteroscopy according to claim 1, characterized in that the first fixing portion (1) comprises a first fixing body (11) and a first balloon (12);

the first air bag (12) is positioned at the periphery outer side of the first fixing body (11);

one end, far away from the second fixing part (3), of the connecting rod (13) is connected with the first fixing body (11), and a first air inflation and deflation channel (131) communicated with the first air bag (12) is arranged in the connecting rod (13).

3. A double balloon auxiliary device for enteroscopy according to claim 1, characterized in that the second fixing portion (3) comprises a second fixing body (31) and a second balloon (32);

the second air bag (32) is positioned at the outer side of the periphery of the second fixing body (31), and the second air bag (32) is positioned at a port close to the first fixing part (1);

a through connecting channel (311) is arranged on the inner wall of the second fixing body (31), and one end of the connecting channel (311) extends to the outside for inflation and deflation;

one end of the connecting rod (13) far away from the first fixing part (1) is connected in the connecting channel (311);

a second inflation and deflation channel (312) communicated with the second air bag (32) is arranged on the inner wall of the second fixing body (31), and the second inflation and deflation channel (312) extends to the outside for inflation and deflation.

4. The double-balloon auxiliary device for enteroscopy according to claim 2 or 3, wherein one end of the first inflation/deflation channel (131) and one end of the second inflation/deflation channel (312) extending to the outside are both connected with a pressure detector for monitoring the pressure value of the gas after inflation/deflation of the first inflation/deflation channel (131) and the second inflation/deflation channel (312).

5. The double balloon auxiliary device for enteroscopy according to claim 2, wherein the ports of the first inflation and deflation channel (131) and the second inflation and deflation channel (312) are respectively provided with a closing valve (4).

6. A double balloon auxiliary device for enteroscopy according to claim 1, characterized in that the connecting rod (13) is made of a plastic material with a certain hardness.

7. Double balloon aid for enteroscopy according to claim 5, characterized in that the closing valve (4) comprises a valve body (41), a valve plate (42) and a support disc (43);

the valve plate (42) and the supporting disk (43) are respectively positioned in the valve body (41);

the supporting disc (43) is fixed in the channel of the valve body (41) through a plurality of connecting rods;

a contact (431) is arranged in the middle of the support disc (43);

the valve plate (42) is positioned between the inner wall of the upper end face of the valve body (41) and the contact (431).

8. Double balloon aid for enteroscopy according to claim 7, characterized in that the valve plate (42) is made of a flexible material.

9. A double balloon auxiliary device for enteroscopy according to claim 1, characterized in that the second fixing part (3) is made of a flexible material.