CN210447842U

CN210447842U - Double-balloon positioning drug delivery device

Info

Publication number: CN210447842U
Application number: CN201920818291.3U
Authority: CN
Inventors: 赵海洋; 王旭烨; 王伟平
Original assignee: Wenzhou University
Current assignee: Wenzhou University
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-05-05
Anticipated expiration: 2029-05-31

Abstract

The utility model discloses a two sacculus location device of dosing, including the pipe that is used for the treatment, the pipe includes: the front end of the catheter is provided with a lesion upper balloon and a lesion lower balloon which are identical in structure and independent from each other, when the front end of the catheter is inserted into a lesion position in an esophagus, the lesion upper balloon is positioned above a lesion in the esophagus, the lesion lower balloon is positioned below the lesion in the esophagus, the front end of the catheter is provided with a medicine injection hole and positioned between the lesion upper balloon and the lesion lower balloon, the lesion upper balloon is communicated with the first cavity, and the lesion lower balloon is communicated with the second cavity; the drug injection hole is communicated with the third cavity; the device of the utility model is simple in structure, simple in operation method, strong in treatment pertinence, fast in recovery of patients, short in treatment period, and capable of avoiding side effects on human bodies caused by a large amount of oral medicines or injections of patients.

Description

Double-balloon positioning drug delivery device

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a two sacculus location device of dosing.

Background

At present, in the medical treatment process, when the esophagus part is diseased, the medicine needs to be administered to the whole body (oral administration, injection and the like), while some medicines have curative effect on the diseased part, other organs of the body (such as stomach, intestine and the like) can be damaged to a certain extent, the side effect of the medicines also can bring certain damage to patients, the treatment period is long, and the patients are recovered slowly; and in the administration process of the medicine to the affected part of the esophagus, the medicine can not be stored in the esophagus part, and the medicine liquid flowing through the affected part of the esophagus disease is too little, so that the curative effect is greatly reduced, the treatment period is prolonged, and the treatment effect is not ideal.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned defect or not enough, the utility model aims to provide a two sacculus location device of dosing.

In order to achieve the above purpose, the technical scheme of the utility model is that: a dual balloon localized drug delivery device comprising a catheter for treatment, the catheter comprising: the front end of the catheter is provided with a lesion upper balloon and a lesion lower balloon which are identical in structure and independent from each other, when the front end of the catheter is inserted into a lesion position in an esophagus, the lesion upper balloon is positioned above a lesion in the esophagus, the lesion lower balloon is positioned below the lesion in the esophagus, the front end of the catheter is provided with a medicine injection hole and positioned between the lesion upper balloon and the lesion lower balloon, the lesion upper balloon is communicated with the first cavity, and the lesion lower balloon is communicated with the second cavity; the medicine injection hole is communicated with the third cavity.

The catheter also comprises a fourth cavity which is mutually independent from the first cavity, the second cavity and the third cavity, the end head at the front end of the catheter is provided with an alimentary canal hole, and the alimentary canal hole is communicated with the fourth cavity.

The rear end of the catheter is provided with a protective cap.

And the tail ends of the first cavity and the second cavity are provided with air bag switch valves.

The catheter is made of rubber, latex, polyurethane or silica gel.

The balloon at the upper part of the pathological change and the balloon at the lower part of the pathological change are made of rubber, latex, polyurethane or silica gel.

The front end of the catheter is provided with a miniature camera which can observe the inside of the esophagus.

Compared with the prior art, the beneficial effects of the utility model are that: the double-balloon device of the utility model directly administers the medicine to the affected part of the esophagus, has strong treatment pertinence and short treatment period, and reduces the pain of patients; compared with the prior art, the side effect on human body caused by a large amount of oral medicines or injections of patients is avoided; the device of the utility model is made of rubber, latex, polyurethane or silica gel, has soft texture, small side effect and environmental protection, and provides a safe guarantee for the treatment and rehabilitation of patients; in the treatment process, the utility model discloses a fourth lumen can be to pouring into food or with the discharge of food in the stomach into the stomach, guarantees that patient to the basic demand of energy during the treatment, perhaps the stomach is untimely, with the discharge of food in the stomach, avoids 5 afterbody of pipe frequently to insert the stimulation of taking out the sick affected part of esophagus, influences patient's recovery to and bring unnecessary misery. The device of the utility model is simple in structure, the operability is strong, and the reliability is high, and material texture is soft, safe, the small side effect is fit for extensively promoting.

Drawings

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

FIG. 2 is a schematic diagram of the apparatus according to the present invention in operation;

FIG. 3 is a schematic cross-sectional view A-A of a catheter in the device of the present invention;

fig. 4 is a cross-sectional view of the inventive device.

In the figure, 1 — first lumen; 2 — a second lumen; 3-third lumen; 4-a fourth lumen; 5, a conduit; 6-medicine injection hole; 61-diseased upper balloon; 62-lesion inferior balloon; 7-esophageal hole; 8-balloon through holes; 9, opening and closing a valve; 10-a protective cap; 11-micro camera.

Detailed Description

The present invention will be described in detail with reference to the drawings, and it should be understood 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.

As shown in fig. 1 to 4, a double balloon positioning drug delivery device comprises a catheter 5 for treatment, the catheter 5 comprising: the device comprises a first cavity 1, a second cavity 2 and a third cavity 3, wherein the first cavity 1, the second cavity 2 and the third cavity 3 are independent from each other; the front end of the catheter 5 is provided with a lesion upper balloon 61 and a lesion lower balloon 62 which are identical in structure and independent from each other, when the front end of the catheter 5 is inserted into a lesion position in an esophagus, the lesion upper balloon 61 is positioned above a lesion in the esophagus, the lesion lower balloon 62 is positioned below the lesion in the esophagus, the front end of the catheter 5 is provided with a medicine injection hole 6 and positioned between the lesion upper balloon 61 and the lesion lower balloon 62, the lesion upper balloon 61 is communicated with the first cavity 1, and the lesion lower balloon 62 is communicated with the second cavity 2; the balloon through holes 8 are respectively formed in the upper lesion balloon 61 and the lower lesion balloon 62, and the balloon through holes 8 are respectively communicated with the first cavity 1 and the second cavity 2; the medicine injection hole 6 is communicated with the third cavity 3.

In the utility model, the lesion upper balloon 61 and the lesion lower balloon 62 are expanded by injecting normal saline or gas to form an independent sealed cavity with the inner wall of the esophagus to form a lesion part of the esophagus (the lesion upper balloon 61 and the lesion lower balloon 62 are filled with a size capable of being tightly matched with the inner wall of the esophagus to form a sealed cavity); play the effect of storing the liquid medicine, the liquid medicine is injected into to the third cavity 3 from pipe 5 for the liquid medicine flows into the independent sealed cavity of esophagus pathological change department through injection hole 6 in, carry out direct pertinence treatment to esophagus pathological change position, avoided a large amount of oral drugs of patient or injection, the side effect to the human body production, and simultaneously, liquid medicine and esophagus pathological change department direct contact, the contact is abundant, accelerate the process that pathological change resumes, shorten treatment time, alleviate patient's misery.

As shown in fig. 3, further, the catheter 5 further includes a fourth cavity independent from the first cavity 1, the second cavity 2, and the third cavity 3, an end of the front end of the catheter 5 is provided with an alimentary canal hole 7, and the alimentary canal hole 7 is communicated with the fourth cavity 4. In the treatment process, the fourth tube cavity 4 can inject food into the stomach or discharge the food in the stomach, so that the basic requirement of the patient on energy during the treatment is ensured, or the stomach is untimely, the food in the stomach is discharged, and the phenomenon that the tail part of the catheter 5 is frequently inserted into and taken out to stimulate the affected part of the esophagus disease, so that the recovery of the patient is influenced, and unnecessary pain is brought is avoided.

As shown in fig. 1, 2 and 3, the rear end of the catheter 5 is preferably provided with a protective cap 10. Prevent foreign matters from entering the esophagus and the stomach cavity of the human body through the catheter 5, and avoid infection and accidents.

As shown in fig. 1, 2 and 3, it is preferable that the ends of the first and

second cavities

1 and 2 are provided with balloon switching valves 9 for controlling the flow of gas or saline into the lesion upper balloon 61 and lesion lower balloon 62.

Preferably, the catheter 5 is made of rubber, latex, polyurethane or silicone; the lesion upper balloon 61 and the lesion lower balloon 62 are made of rubber, latex, polyurethane or silica gel. The X-ray medical instrument has a visual function under X-rays, the selected materials are soft in texture, small in side effect and environment-friendly, and the safety guarantee is provided for the treatment, rehabilitation and examination of patients.

The drug delivery method of the device of the utility model comprises the following steps:

1) when a patient is treated, the front end of the catheter 5 is inserted into the esophagus from the oral cavity or the nasal cavity;

2) placing a lesion upper balloon 61 and a lesion lower balloon 62 at the front end of the catheter 5 at a lesion position in the esophagus, so that the lesion upper balloon 61 is positioned above the lesion in the esophagus and the lesion lower balloon 62 is positioned below the lesion in the esophagus;

3) when the medicine injection hole 6 is positioned at the lesion position in the esophagus, the physiological saline or gas is filled in the first cavity 1 and the second cavity 2 from the independent lumens of the catheter 5, and flows into the lesion upper balloon 61 and the lesion lower balloon 62 through the balloon through hole 8, so that the lesion upper balloon 61 and the lesion lower balloon 62 are expanded and enlarged to form an independent sealed cavity with the inner wall of the esophagus;

4) the liquid medicine is injected from the third cavity 3 of the independent tube cavity of the catheter 5, and flows into the independent sealing cavity at the pathological change part of the esophagus;

5) after the treatment is finished, the residual liquid medicine in the independent sealed cavity is discharged out of the body from the medicine injection hole 7 through the third tube cavity 3; avoid the liquid medicine to flow into the stomach cavity, and cause discomfort or side effect to the body.

6) Discharging gas or saline in the lesion upper balloon 61 and the lesion lower balloon 62; the catheter 5 is then withdrawn from the nasal or oral cavity.

As shown in fig. 1 and 2, in step 2, a micro-camera 11 for observing the inside of the esophagus is arranged at the front end of the catheter 5, and the micro-camera 11 is arranged above the drug injection hole 6 and between the lesion upper balloon 61 and the lesion lower balloon 62; the X-ray endoscope is used for observing the pathological change position and the pathological change degree in the esophagus, and compared with the X-ray in the prior art, the observation effect is more visual and clear.

It should be apparent to those skilled in the art that the above embodiments are only preferred embodiments of the present invention, and therefore, the modifications and changes that can be made by those skilled in the art to some parts of the present invention still embody the principles of the present invention, and the objects of the present invention are achieved, all falling within the scope of the present invention.

Claims

1. A double balloon localized drug delivery device comprising a catheter (5) for treatment, the catheter (5) comprising: the endoscope comprises a first cavity (1), a second cavity (2) and a third cavity (3), wherein the front end of a catheter (5) is provided with a lesion upper saccule (61) and a lesion lower saccule (62) which are identical in structure and are mutually independent, when the front end of the catheter (5) is inserted into a lesion position in an esophagus, the lesion upper saccule (61) is positioned above a lesion in the esophagus, the lesion lower saccule (62) is positioned below the lesion in the esophagus, the front end of the catheter (5) is provided with a medicine injection hole (6) and is positioned between the lesion upper saccule (61) and the lesion lower saccule (62), the lesion upper saccule (61) is communicated with the first cavity (1), and the lesion lower saccule (62) is communicated with the second cavity (2); the medicine injection hole (6) is communicated with the third cavity (3).

2. The double-balloon positioning drug delivery device according to claim 1, wherein the catheter (5) further comprises a fourth cavity which is independent from the first cavity (1), the second cavity (2) and the third cavity (3), an alimentary canal hole (7) is formed in the tip of the front end of the catheter (5), and the alimentary canal hole (7) is communicated with the fourth cavity (4).

3. A double balloon localized drug delivery device as claimed in claim 1, wherein the rear end of the catheter (5) is provided with a protective cap (10).

4. A double-balloon positioning drug delivery device according to claim 1, characterized in that the ends of the first (1) and second (2) chambers are provided with balloon switch valves (9).

5. A double balloon localized delivery device as claimed in claim 1, wherein said catheter (5) is made of rubber, latex, polyurethane or silicone.

6. The double-balloon positioning drug delivery device as claimed in claim 1, characterized in that the lesion upper balloon (61) and the lesion lower balloon (62) are balloons made of rubber, latex, polyurethane or silicone.

7. A double-balloon positioning drug delivery device as claimed in claim 1, characterized in that the front end of the catheter (5) is provided with a miniature camera (11) for observing the inside of the esophagus.