CN219440370U

CN219440370U - Balloon catheter for intravascular sub-low temperature treatment

Info

Publication number: CN219440370U
Application number: CN202222529578.9U
Authority: CN
Inventors: 黄瑞龙; 陈焕侨; 张炳才; 李瑶瑶; 谭彩平
Original assignee: Guangdong Bojun Medical Technology Co ltd
Current assignee: Guangdong Bojun Medical Technology Co ltd
Priority date: 2022-09-23
Filing date: 2022-09-23
Publication date: 2023-08-01
Anticipated expiration: 2032-09-23

Abstract

The utility model discloses an intravascular sub-low temperature treatment balloon catheter, which comprises a plurality of large balloons, small balloons, a connecting seat and a plurality of extension tubes which are sequentially arranged from front to back, wherein the large balloons and the large balloons are communicated through the tubes, the small balloons are communicated with the connecting seat, the extension tubes are respectively communicated with the connecting seat, a main cavity communicated with one of the extension tubes is formed in the tube, and an anticoagulant layer is arranged on the inner wall of the main cavity; the outer surface of the big saccule and the outer surface of the small saccule are both provided with hydrophilic layers. By arranging the anticoagulation layer on the inner wall of the main cavity, the coagulation phenomenon of blood after the temperature is reduced in the intravascular sub-low temperature treatment process is prevented, thrombus is avoided, the balloon catheter is prevented from being blocked, and the intravascular sub-low temperature treatment is ensured to be normally carried out.

Description

Balloon catheter for intravascular sub-low temperature treatment

Technical Field

The utility model relates to the field of medical instruments, in particular to an intravascular sub-low temperature treatment balloon catheter.

Background

Currently, balloon catheters that are placed into the blood vessels of the human body are an important component of therapy in intravascular sub-cryogenic treatment techniques. The existing catheter for intravascular sub-low temperature treatment mostly comprises a catheter main body and a plurality of balloons arranged on the catheter main body, wherein the initial state of the balloons is a rolling and folding state, and after the balloon is placed into a blood vessel and frozen normal saline is injected, the volume of the balloon is increased, so that the contact area between the balloon and blood is increased to accelerate cooling, and the intravascular sub-low temperature treatment effect is achieved. Because the temperature of the normal saline used in the treatment process is lower, the temperature of the blood is reduced after the heat exchange with the normal saline, and the blood coagulation phenomenon is easy to occur, so that the main cavity of the balloon catheter is blocked.

Disclosure of Invention

The utility model aims to provide an intravascular sub-low temperature treatment balloon catheter which solves one or more technical problems in the background art.

To achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an endovascular sub-low temperature treatment sacculus pipe, includes body, a plurality of big sacculus, connecting seat and a plurality of epitaxial tube, the body with a plurality of big sacculus small sacculus and the connecting seat links to each other, and a plurality of epitaxial tube respectively with the connecting seat is linked together, set up in the body with one of them the main cavity that epitaxial tube is linked together, the inner wall of main cavity is equipped with anticoagulation layer.

Preferably, the anticoagulation layer is a heparin sodium coating.

Preferably, the outer surface of the big balloon and the outer surface of the small balloon are both provided with hydrophilic layers.

Preferably, the hydrophilic layer is a polyvinylpyrrolidone coating.

Preferably, the device further comprises a tip soft head, wherein the tip soft head is arranged at the initial end of the large balloon, and the tip soft head is made of elastic materials.

Preferably, the device further comprises an external screw luer connector and an internal screw luer connector, wherein the ends of the plurality of epitaxial tubes are respectively provided with the external screw luer connector and the internal screw luer connector.

Preferably, a developing ring is arranged on the outer side of the small balloon.

Preferably, the epitaxial tube further comprises a slide fastener, and the slide fastener is arranged on the outer side of the epitaxial tube.

Compared with the prior art, the utility model has the beneficial effects that: by arranging the anticoagulation layer on the inner wall of the main cavity in the tube body, the coagulation phenomenon of blood after the temperature is reduced in the intravascular sub-low temperature treatment process is prevented, thrombus is avoided, the balloon catheter is prevented from being blocked, and the intravascular sub-low temperature treatment is ensured to be normally carried out.

Drawings

The present utility model is further illustrated by the accompanying drawings, which are not to be construed as limiting the utility model in any way.

FIG. 1 is a schematic overall construction of one embodiment of the present utility model;

fig. 2 is a cross-sectional view of a tube body according to one embodiment of the present utility model.

Wherein: 1. a tip soft head; 2. a large balloon; 3. a tube body; 4. a small balloon; 5. a developing ring; 6. a connecting seat; 7. an epitaxial tube; 8. an external threaded luer fitting; 9. an internally threaded luer fitting; 10. a slide fastener; 31. a main chamber; 32. and an auxiliary cavity.

Detailed Description

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

Referring to fig. 1 and 2, an intravascular sub-low temperature treatment balloon catheter of the embodiment comprises a tube body 3, a plurality of large balloons 2, a small balloon 4, a connecting seat 6 and a plurality of extension tubes 7, wherein the tube body 3 is sequentially connected with the large balloons 2, the small balloons 4 and the connecting seat 6, the plurality of extension tubes 7 are respectively communicated with the connecting seat 6, a main cavity 31 communicated with one of the extension tubes 7 is formed in the tube body 3, one end of the tube body 3 is communicated with one of the extension tubes 7 through the main cavity 31, and an anticoagulant layer is arranged on the inner wall of the main cavity 31; two side cavities 32 are further formed in the pipe body 3, the two side cavities 32 are communicated with each other, a plurality of large balloons 2 and small balloons 4 and a plurality of small balloons 4 and a connecting seat 6 are communicated through the side cavities 32, the two side cavities 32 are respectively connected with the other epitaxial pipes 7, and the side cavities 32 are used for cooling water circulation.

By arranging the anticoagulation layer on the inner wall of the main cavity 31 in the tube body 3, the coagulation phenomenon of blood after the temperature is reduced in the intravascular sub-low temperature treatment process is prevented, thrombus is avoided, the balloon catheter is prevented from being blocked, and the intravascular sub-low temperature treatment is ensured to be normally carried out.

Further, the anticoagulation layer is a heparin sodium coating. The heparin sodium coating is used as an anticoagulant layer, so that the formation of an adhesion embolism in the main cavity is effectively prevented.

Preferably, the outer surfaces of both the large balloon 2 and the small balloon 4 are provided with hydrophilic layers. The lubrication degree of the outer surface of the large balloon 2 and the outer surface of the small balloon 4 is improved, the resistance of the balloon catheter when being placed into a blood vessel and taken out is reduced, and the operation is convenient.

Further, the hydrophilic layer is a polyvinylpyrrolidone coating. The polyvinylpyrrolidone coating is used as a hydrophilic layer, so that the lubricating effect is better.

Preferably, the device also comprises a tip soft head 1, wherein the tip soft head 1 is arranged at the beginning end of the large balloon 2, and the tip soft head 1 is made of elastic materials. The appearance of the tip soft head 1 is in a conical design, so that the skin puncture opening is easy to puncture and expand, and the tube body 3 is convenient to be smoothly placed into a blood vessel.

Preferably, the device further comprises an external screw luer 8 and an internal screw luer 9, and the ends of the plurality of epitaxial tubes 7 are respectively provided with the external screw luer 8 and the internal screw luer 9. The external screw luer 8 and the internal screw luer 9 are arranged for connecting the extension tube 7 with the starting sleeve, so that the installation is convenient.

Preferably, the outer side of the small balloon 4 is provided with a developing ring 5. By arranging the developing ring 5 on the inner side of the small balloon 4, the implantation depth of the balloon catheter can be conveniently obtained in the treatment process, so that the implantation position is more accurate.

Preferably, the epitaxial tube 7 further comprises a slide fastener 10, wherein the slide fastener 10 is arranged on the outer side of the epitaxial tube 7. A slider 10 is provided on the outer side of the extension tube 7, and the flow break of the liquid in the extension tube 7 can be controlled by the slider 10.

The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will be apparent to those skilled in the art from consideration of this specification without undue burden.

Claims

1. The utility model provides an endovascular sub-low temperature treatment sacculus pipe, its characterized in that includes body, a plurality of big sacculus, connecting seat and a plurality of epitaxial tube, the body with a plurality of big sacculus little sacculus and the connecting seat links to each other, and a plurality of epitaxial tube respectively with the connecting seat is linked together, offer in the body with one of them the main cavity that epitaxial tube is linked together, the inner wall of main cavity is equipped with the anticoagulation layer.

2. An intravascular sub-cryotherapeutic balloon catheter according to claim 1 wherein the anticoagulant layer is a heparin sodium coating.

3. An endovascular sub-cryotherapeutic balloon catheter according to claim 1, wherein the outer surface of the large balloon and the outer surface of the small balloon are both provided with a hydrophilic layer.

4. An endovascular sub-cryotherapeutic balloon catheter according to claim 3, wherein the hydrophilic layer is a polyvinylpyrrolidone coating.

5. The endovascular sub-cryotherapy balloon catheter according to claim 1, further comprising a tip soft head provided at the beginning of the large balloon, the tip soft head being made of an elastic material.

6. The endovascular cryogenic treatment balloon catheter according to claim 1, further comprising an externally threaded luer and an internally threaded luer, the ends of the plurality of extension tubes being provided with the externally threaded luer and the internally threaded luer, respectively.

7. An endovascular sub-cryotherapeutic balloon catheter according to claim 1 wherein the inner side of the small balloon is provided with a visualization ring.

8. The endovascular sub-cryotherapy balloon catheter according to claim 1, further comprising a slider disposed outside of the epitaxial tube.