CN219398657U

CN219398657U - Anti-displacement double-balloon catheter

Info

Publication number: CN219398657U
Application number: CN202320373057.0U
Authority: CN
Inventors: 程杰军; 朱君; 高峰; 付玏; 王文晶; 朱家樑; 徐嘉璐
Original assignee: Shanghai First Maternity and Infant Hospital
Current assignee: Shanghai First Maternity and Infant Hospital
Priority date: 2023-03-02
Filing date: 2023-03-02
Publication date: 2023-07-25
Anticipated expiration: 2033-03-02

Abstract

The utility model discloses an anti-displacement double-balloon catheter, which relates to the field of medical appliances and comprises a catheter, wherein an inner balloon for blocking an aorta is arranged on the outer wall of the catheter; the positioning unit includes: an outer balloon that is inflatable into contact with the vessel wall to position the inner balloon. According to the utility model, the outer balloon and the positioning unit are arranged, when the device is used, the outer balloon is inflated, and after the outer balloon is inflated, the outer balloon is attached to the wall of a blood vessel to play a role in fixing and positioning, so that the displacement of the inner balloon is prevented, and meanwhile, the blood can pass through the outer balloon through the upper through hole and the lower through hole, so that the blood flow is not obviously influenced, and the blood supply of the pelvic cavity and the lower limb is ensured; when the blood vessel is required to be blocked, the inner balloon is inflated, and after the inner balloon is inflated, the inner balloon and the outer balloon can be well adhered to each other, so that the blood flow blocking effect is achieved, the position of the balloon is prevented from being deviated, and the blocking effect is poor.

Description

Anti-displacement double-balloon catheter

Technical Field

The utility model relates to the field of medical instruments, in particular to an anti-displacement double-balloon catheter.

Background

At present, the abdominal aortic occlusion balloon is widely applied to patients with severe hemorrhage during operation, especially to patients with high bleeding risks such as pelvic tumors or fierce pre-placenta, and the application of the abdominal aortic occlusion balloon during operation can effectively reduce the bleeding amount during operation, improve the visibility of the operation field and ensure the operation safety of the patients.

At present, no special blocking balloon for abdominal aorta is replaced by a vessel dilating balloon, so the balloon is noncompliant, and can cause excessive dilation and even rupture of abdominal aorta for partial patients.

Disclosure of Invention

The utility model aims at: in order to solve the problems that if the operation is not performed in a composite operating room, a DSA (digital subscriber array) room is pre-arranged in advance of the operation, then a patient is transported to the operating room, the balloon is in a release state, and when the balloon is expanded in the operating room, the balloon has a displacement risk, so that the blocking effect is poor, and the anti-displacement double-balloon catheter is provided.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an anti-displacement double-balloon catheter comprises a catheter, wherein an inner balloon for blocking an aorta is arranged on the outer wall of the catheter, and the inner balloon is prevented from being displaced by a positioning unit;

the positioning unit includes:

an outer balloon which can be expanded to be contacted with the wall of the blood vessel to position the inner balloon, wherein the outer balloon is fixedly connected to the outer wall of the catheter and is positioned at the outer side of the inner balloon;

the upper through hole and the lower through hole are respectively formed in the top end and the bottom end of the outer balloon, and after the outer balloon is inflated, blood passes through the outer balloon through the upper through hole and the lower through hole.

As still further aspects of the utility model: one end of the catheter, which is far away from the inner balloon, is provided with a first Y-shaped valve and a second Y-shaped valve, and the first Y-shaped valve and the second Y-shaped valve are symmetrically distributed.

As still further aspects of the utility model: the first Y-shaped valve is connected with the outer balloon through a first connecting pipe, and the second Y-shaped valve is connected with the inner balloon through a second connecting pipe.

As still further aspects of the utility model: a hollow groove is formed between the inner balloon and the outer balloon in a separation mode, and blood flows through the hollow groove.

As still further aspects of the utility model: the outer wall of the catheter is positioned at the bottom end of the outer balloon and is provided with a marking ring.

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

through arranging the outer balloon and the positioning unit, when the device is used, the outer balloon is inflated, and after the outer balloon is inflated, the outer balloon is attached to the wall of a blood vessel to play a role in fixing and positioning, so that the displacement of the inner balloon is prevented, and meanwhile, the blood can pass through the outer balloon through the upper through hole and the lower through hole, so that the blood flow is not obviously influenced, and the blood supply of the pelvic cavity and the lower limb is ensured; when the blood vessel is required to be blocked, the inner balloon is inflated, and after the inner balloon is inflated, the inner balloon and the outer balloon can be well adhered to each other, so that the blood flow blocking effect is achieved, the position of the balloon is prevented from being deviated, and the blocking effect is poor.

Drawings

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

FIG. 2 is a cross-sectional view of a catheter of the present utility model;

FIG. 3 is a cross-sectional view of the inner and outer balloons of the present utility model;

fig. 4 is a schematic structural view of the inner and outer balloons of the present utility model.

In the figure: 1. a conduit; 2. an inner balloon; 3. an outer balloon; 4. an upper through hole; 5. a lower through hole; 6. a first Y-valve; 7. a second Y-valve; 8. a first connection pipe; 9. a second connection pipe; 10. a marker ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, in an embodiment of the present utility model, an anti-displacement dual balloon catheter includes a catheter 1, an inner balloon 2 for blocking an aorta is disposed on an outer wall of the catheter 1, and the inner balloon 2 is prevented from displacement by a positioning unit; the positioning unit includes: an outer balloon 3 which can be inflated to contact with the vessel wall to position the inner balloon 2, wherein the outer balloon 3 is fixedly connected to the outer wall of the catheter 1 and is positioned outside the inner balloon 2; an upper through hole 4 and a lower through hole 5 which are respectively arranged at the top end and the bottom end of the outer balloon 3, wherein the upper through hole 4 and the lower through hole 5 are used for the blood to pass through the outer balloon 3 through the upper through hole 4 and the lower through hole 5 after the outer balloon 3 is inflated.

In this embodiment: when the device is used, the outer balloon 3 is inflated, after the outer balloon 3 is inflated, the outer balloon 3 is attached to the wall of a blood vessel to play a role in fixing and positioning, so that the inner balloon 2 is prevented from being displaced, and meanwhile, blood can enter between the outer balloon 3 and the inner balloon 2 through the upper through hole 4 and the lower through hole 5, so that the blood can pass through the outer balloon 3, the blood flow is not obviously influenced, and the blood supply of the pelvic cavity and the lower limb is ensured; when the blood vessel is required to be blocked, the inner balloon 2 is inflated, and after the inner balloon 2 is inflated, the inner balloon 2 and the outer balloon 3 can be well adhered to each other, so that blood cannot pass through between the outer balloon 3 and the inner balloon 2, and the blood flow blocking effect is achieved.

Referring to fig. 1-4, a first Y-valve 6 and a second Y-valve 7 are disposed at one end of the catheter 1 far away from the inner balloon 2, the first Y-valve 6 and the second Y-valve 7 are symmetrically distributed, the first Y-valve 6 is connected with the outer balloon 3 through a first connecting pipe 8, and the second Y-valve 7 is connected with the inner balloon 2 through a second connecting pipe 9.

In this embodiment: the first Y-shaped valve 6 and the second Y-shaped valve 7 are both connected with an external gas storage device through pipelines, the first Y-shaped valve 6 supplies gas to the outer balloon 3 through a first connecting pipe 8, and the second Y-shaped valve 7 supplies gas to the inner balloon 2 through a second connecting pipe 9.

Referring to fig. 1-4, a hollow groove is formed between the inner balloon 2 and the outer balloon 3 for blood to flow.

In this embodiment: the diameter of the catheter 1 is 7-9F, the outer balloon 3 is a compliant balloon, after the balloon is filled, the balloon is attached to the wall of a blood vessel to play a role in fixing and positioning, the outer wall of the outer balloon 3 is provided with an upper through hole 4 and a lower through hole 5, and when the outer balloon 3 is filled, the blood flow is not obviously influenced, and the pelvic cavity and the blood supply of the lower limb are ensured; the inner balloon 2 is a compliant balloon, and after the inner balloon 2 is filled, the inner balloon 2 and the outer balloon 3 can be well adhered to each other, so that the blood flow blocking effect is achieved.

Referring to fig. 1, a marker ring 10 is disposed on the outer wall of the catheter 1 at the bottom end of the outer balloon 3.

In this embodiment: the marker ring 10 is an X-ray opaque marker for positioning the inner balloon 2 and the outer balloon 3.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. An anti-displacement double-balloon catheter comprises a catheter (1), and is characterized in that an inner balloon (2) for blocking an aorta is arranged on the outer wall of the catheter (1), and the inner balloon (2) is prevented from displacement by a positioning unit;

the positioning unit includes:

an outer balloon (3) which can be expanded to be contacted with the vessel wall to position the inner balloon (2), wherein the outer balloon (3) is fixedly connected to the outer wall of the catheter (1) and is positioned at the outer side of the inner balloon (2);

the upper through hole (4) and the lower through hole (5) are respectively formed in the top end and the bottom end of the outer balloon (3), and the upper through hole (4) and the lower through hole (5) are used for enabling blood to pass through the outer balloon (3) through the upper through hole (4) and the lower through hole (5) after the outer balloon (3) is inflated.

2. The displacement-preventing double-balloon catheter according to claim 1, wherein a first Y-valve (6) and a second Y-valve (7) are arranged at one end of the catheter (1) away from the inner balloon (2), and the first Y-valve (6) and the second Y-valve (7) are symmetrically distributed.

3. A displacement-preventing double balloon catheter according to claim 2, characterized in that the first Y-valve (6) is connected to the outer balloon (3) by a first connecting tube (8) and the second Y-valve (7) is connected to the inner balloon (2) by a second connecting tube (9).

4. A displacement-preventing double balloon catheter according to claim 1, characterized in that a hollow groove is formed between the inner balloon (2) and the outer balloon (3) in a separation manner, and the hollow groove is used for blood flow.

5. An anti-displacement double balloon catheter according to claim 1, characterized in that the outer wall of the catheter (1) is provided with a marker ring (10) at the bottom end of the outer balloon (3).