Taper integrated balloon dilator

Abstract

The utility model provides a taper integrated balloon dilator, and belongs to the technical field of medical instruments. The taper integrated balloon dilator comprises a pipe fitting part and a balloon part. A connector part is arranged at the tail end of the catheter, and an air guide cavity layer is arranged in the catheter. The columnar hollow balloon section is arranged at the front end of the conical hollow balloon section in a communicated mode, the multiple ventilation connecting pipes are obliquely arranged in the columnar hollow balloon section, the bottom ends of the ventilation connecting pipes are communicated with an air guide cavity layer in the catheter, and the top ends of the ventilation connecting pipes are communicated with the columnar hollow balloon section. The catheter drives the columnar hollow balloon section and the conical hollow balloon section to penetrate into the blood vessel, the conical hollow balloon section has smaller resistance when penetrating into the blood vessel, and the conical hollow balloon section can penetrate through the narrow position in the blood vessel more easily. Pressurized gas enters the columnar hollow balloon section to swell and open the blood vessel, the ventilation connecting pipe can be used for supporting the columnar hollow balloon section to stably open the blood vessel after being inflated, and a better supporting and expanding effect is achieved.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, and more specifically, to a tapered integrated balloon dilator. Background Technology

[0002] A balloon dilator is a medical device primarily used to treat certain heart diseases, vascular stenosis, and urinary tract obstruction. For example, the publication document CN219375828U describes an unobstructed medical balloon, which includes a balloon body, a catheter, and a three-way connector. One end of the catheter is connected to the balloon body, and the other end is connected to the three-way connector. The three-way connector has a guidewire connection cavity and a pressure pump connection cavity. The connection between the catheter and the balloon body is located at the side edge of the balloon body, and the inner lumen of the balloon body communicates with the inner lumen of the catheter body.

[0003] When the aforementioned medical balloon is used, the balloon has a cylindrical structure. When the balloon is inserted into the blood vessel, the front section of the balloon is relatively large, resulting in greater resistance when it is introduced into the narrow area of ​​the blood vessel, which may lead to difficulties in insertion. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a tapered integrated balloon dilator, which aims to improve the problem in related technologies where the balloon is a columnar structure, and when the balloon is inserted into the blood vessel, the front cross section of the balloon is relatively large, resulting in greater resistance when it is introduced into the narrow area of ​​the blood vessel, and thus causing difficulties in insertion.

[0005] This utility model is implemented as follows:

[0006] This utility model provides a tapered integrated balloon dilator, including a tubular part and a balloon part.

[0007] The tubular component includes a conduit, the tail end of which is provided with a connector, and the interior of the conduit is provided with an air-conducting cavity layer;

[0008] The balloon portion includes a cylindrical hollow balloon segment, a conical hollow balloon segment, and a ventilation connecting tube. The cylindrical hollow balloon segment is connected to the front end of the conical hollow balloon segment. Multiple ventilation connecting tubes are inclinedly arranged inside the cylindrical hollow balloon segment. The bottom end of the ventilation connecting tube is connected to the air delivery cavity layer in the conduit, and the top end of the ventilation connecting tube is connected to the cylindrical hollow balloon segment.

[0009] In one embodiment of this utility model, the tubular part further includes a spherical protrusion, which is disposed at the front end of the conduit.

[0010] In one embodiment of this utility model, the connector includes a gas filling pipe, one end of which is connected to the gas guiding cavity layer in the conduit.

[0011] In one embodiment of this utility model, the connector further includes a first valve, the inside of the conduit is provided with a liquid guiding cavity layer communicating with the liquid adding pipe, and the outside of the spherical protrusion is provided with a liquid outlet hole communicating with the liquid guiding cavity layer.

[0012] In one embodiment of the present invention, the connector further includes a second valve, which is disposed on the liquid filling pipe.

[0013] In one embodiment of this utility model, the liquid guiding cavity layer is located in the middle of the conduit, and the gas guiding cavity layer is located outside the liquid guiding cavity layer.

[0014] In one embodiment of the present invention, the connector further includes a liquid filling pipe, which is disposed outside the gas filling pipe.

[0015] In one embodiment of this utility model, multiple sets of the ventilation connecting pipes are arranged radially at an inclined angle outside the conduit.

[0016] The beneficial effects of this invention are as follows: This invention provides a tapered integrated balloon dilator. The catheter in the tubing section guides the cylindrical and tapered hollow balloon segments into the blood vessel. Because the tapered hollow balloon segment at the front end of the cylindrical segment has a tapered structure, it experiences less resistance when penetrating the blood vessel, making it easier to pass through narrow areas. Pressurized gas enters the cylindrical and tapered hollow balloon segments through the ventilation connecting tube, causing them to inflate and expand the blood vessel. Furthermore, the ventilation connecting tube, after pressurization and inflation, can support the cylindrical hollow balloon segment to stably expand the blood vessel, providing better support and dilation. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the tapered integrated balloon dilator provided in this embodiment of the utility model;

[0019] Figure 2 A schematic diagram of the internal structure of the balloon portion provided for an embodiment of this utility model;

[0020] Figure 3 A schematic diagram of the cross-sectional structure of the conduit and the spherical protrusion provided for an embodiment of this utility model;

[0021] Figure 4 A schematic diagram of the connector structure provided for an embodiment of this utility model.

[0022] In the diagram: 10 - tubing section; 110 - conduit; 120 - spherical protrusion; 130 - gas guiding chamber layer; 140 - liquid guiding chamber layer; 150 - liquid outlet; 20 - balloon section; 210 - cylindrical hollow balloon section; 220 - conical hollow balloon section; 230 - ventilation connecting pipe; 30 - connector; 310 - gas filling pipe; 320 - first valve; 330 - liquid filling pipe; 340 - second valve. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0024] Example

[0025] Please see Figures 1-4 This utility model provides a tapered integrated balloon dilator, including a tubular part 10 and a balloon part 20.

[0026] The balloon part 20 has a one-piece molded cone-shaped structure at the front end, which provides less resistance when inserted into the blockage inside the blood vessel, making it easier to penetrate the blood vessel and facilitate subsequent vascular dilation operations. This improves the success rate of vascular dilation insertion and also provides good support during dilation.

[0027] Please see Figures 1-3 The tubing section 10 includes a conduit 110, with a connector 30 at its tail end and an air-conducting cavity layer 130 inside. The balloon section 20 includes a cylindrical hollow balloon segment 210, a conical hollow balloon segment 220, and a ventilation connecting tube 230. The cylindrical hollow balloon segment 210 is connected to the front end of the conical hollow balloon segment 220, and the cylindrical hollow balloon segment 210 and the conical hollow balloon segment 220 are integrally formed. Multiple ventilation connecting tubes 230 are inclinedly arranged inside the cylindrical hollow balloon segment 210, with the bottom end of the ventilation connecting tube 230 connected to the air-conducting cavity layer 130 in the conduit 110, and the top end of the ventilation connecting tube 230 connected to the cylindrical hollow balloon segment 210.

[0028] The catheter 110 in the tubing section 10 guides the cylindrical hollow balloon segment 210 and the conical hollow balloon segment 220 into the blood vessel. Because the conical hollow balloon segment 220 at the front end of the cylindrical hollow balloon segment 210 has a conical structure, it experiences less resistance when penetrating the blood vessel, making it easier to pass through narrow areas. Externally pressurized gas is injected from the connector 30 into the air-conducting cavity layer 130 inside the tubing section 10. The pressurized gas enters the cylindrical hollow balloon segment 210 and the conical hollow balloon segment 220 through the ventilation connecting tube 230. The cylindrical hollow balloon segment 210 and the conical hollow balloon segment 220 inflate and expand the blood vessel. Furthermore, after pressurization and inflation, the ventilation connecting tube 230 can be used to support the cylindrical hollow balloon segment 210 to stably expand the blood vessel, providing better support and dilation.

[0029] In the specific implementation described above, please refer to Figure 1 and Figure 3 The fitting portion 10 also includes a spherical protrusion 120, which is disposed at the front end of the catheter 110. The spherical protrusion 120 is provided for smooth insertion of the catheter 110 into the blood vessel.

[0030] For specific settings, please refer to Figure 3 and Figure 4 The connector 30 includes a gas filling pipe 310, one end of which is connected to the gas guiding chamber layer 130 in the conduit 110. The connector 30 also includes a first valve 320. The conduit 110 has a liquid guiding chamber layer 140 that communicates with the liquid filling pipe 330, and the spherical protrusion 120 has a liquid outlet hole 150 that communicates with the liquid guiding chamber layer 140. The connector 30 also includes a second valve 340, which is disposed on the liquid filling pipe 330.

[0031] Pressurized gas can be injected into the air-conducting cavity layer 130 inside the catheter 110 through the gas-injection tube 310, so that the cylindrical hollow balloon segment 210 and the conical hollow balloon segment 220 can expand and open the blood vessel. Thrombolytic agents can be injected through the liquid-injection tube 330. The thrombolytic agents enter the liquid-conducting cavity layer 140 inside the catheter 110 through the liquid-injection tube 330, and then exit into the blood vessel through the liquid outlet 150 in the spherical protrusion 120, dissolving the thrombus inside the blood vessel.

[0032] Furthermore, the liquid-conducting cavity layer 140 is located in the middle of the conduit 110, and the gas-conducting cavity layer 130 is located outside the liquid-conducting cavity layer 140. The connector 30 also includes a liquid-filling pipe 330, which is located outside the gas-filling pipe 310. Multiple sets of venting connection pipes 230 are arranged radially at an inclined angle outside the conduit 110.

[0033] The working principle of this tapered integrated balloon dilator is as follows: During use, the catheter 110 in the tubing section 10 drives the cylindrical hollow balloon segment 210 and the conical hollow balloon segment 220 into the blood vessel. Because the conical hollow balloon segment 220 at the front end of the cylindrical hollow balloon segment 210 has a conical structure, it will have less resistance when penetrating the blood vessel and will be easier to pass through narrow areas in the blood vessel. Gas pressurized by an air pump is injected from the connector 30 into the air-conducting cavity layer 130 inside the tubing section 10. The pressurized gas enters the cylindrical hollow balloon segment 210 and the conical hollow balloon segment 220 through the ventilation connecting tube 230. The cylindrical hollow balloon segment 210 and the conical hollow balloon segment 220 inflate and expand the blood vessel. After being pressurized and inflated, the ventilation connecting tube 230 can be used to support the cylindrical hollow balloon segment 210 to stably expand the blood vessel, providing better support and dilation.

[0034] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A tapered integrated balloon dilator, characterized in that, include The fitting part (10) includes a conduit (110), the conduit (110) has a connector (30) at its tail end, and the conduit (110) has an air guide cavity layer (130) inside. The balloon portion (20) includes a cylindrical hollow balloon segment (210), a conical hollow balloon segment (220), and a ventilation connecting tube (230). The cylindrical hollow balloon segment (210) is connected to the front end of the conical hollow balloon segment (220). Multiple ventilation connecting tubes (230) are inclinedly arranged inside the cylindrical hollow balloon segment (210). The bottom end of the ventilation connecting tube (230) is connected to the air guiding cavity layer (130) in the conduit (110), and the top end of the ventilation connecting tube (230) is connected to the cylindrical hollow balloon segment (210).

2. The tapered integrated balloon dilator according to claim 1, characterized in that, The fitting portion (10) also includes a spherical protrusion (120), which is disposed at the front end of the conduit (110).

3. The tapered integrated balloon dilator according to claim 2, characterized in that, The connector (30) includes a gas filling pipe (310), one end of which is connected to the gas guiding chamber layer (130) in the conduit (110).

4. The tapered integrated balloon dilator according to claim 3, characterized in that, The connector (30) also includes a first valve (320), the inside of the conduit (110) is provided with a liquid guiding cavity layer (140) that communicates with the liquid adding pipe (330), and the outside of the spherical protrusion (120) is provided with a liquid outlet hole (150) that communicates with the liquid guiding cavity layer (140).

5. The tapered integrated balloon dilator according to claim 4, characterized in that, The connector (30) also includes a second valve (340), which is disposed on the liquid filling pipe (330).

6. The tapered integrated balloon dilator according to claim 4, characterized in that, The liquid-conducting cavity layer (140) is located in the middle of the conduit (110), and the gas-conducting cavity layer (130) is located outside the liquid-conducting cavity layer (140).

7. The tapered integrated balloon dilator according to claim 3, characterized in that, The connector (30) also includes a liquid filling pipe (330), which is disposed outside the gas filling pipe (310).

8. The tapered integrated balloon dilator according to claim 1, characterized in that, Multiple sets of the ventilation connecting pipes (230) are arranged radially at an inclined angle outside the conduit (110).

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