CN209996422U

CN209996422U - ultrasonic balloon catheter assembly and catheter system

Info

Publication number: CN209996422U
Application number: CN201920375955.3U
Authority: CN
Inventors: 王卫
Original assignee: Suzhou Thinking Medical Technology Co Ltd
Current assignee: Suzhou Thinking Medical Technology Co Ltd
Priority date: 2019-03-22
Filing date: 2019-03-22
Publication date: 2020-01-31
Anticipated expiration: 2029-03-22

Abstract

The utility model discloses an kind of supersound sacculus pipe subassembly and catheter system, wherein supersound sacculus pipe subassembly includes the pipe and sets up just can the inflation sacculus on the pipe, the pipe passes along the axial sacculus inner chamber and be used for to let in fluid in the inner chamber of sacculus, the week portion of sacculus with sealed the setting between the pipe, the pipe subassembly is still including the ultrasonic wave generating element that can send ultrasonic wave, ultrasonic wave generating element sets up on the pipe and lie in when using it to remove the endovascular calcification spot, only need let in fluid make the sacculus start ultrasonic wave generating element after sufficient, just can make it send the ultrasonic wave and directly pass through fluid and sacculus directly and act on the endovascular calcification spot to reach the mesh of getting rid of the endovascular calcification spot, its transmissivity is good, and it is more direct to get rid of the calcification spot, and has good security.

Description

ultrasonic balloon catheter assembly and catheter system

Technical Field

The utility model relates to an kind ultrasonic saccule catheter subassembly and catheter system, especially relate to kind be used for getting rid of the supersound saccule catheter subassembly of calcification material in the blood vessel and the catheter system who has this catheter subassembly.

Background

The calcification of blood vessels means that calcium salt deposits exist in the wall of the artery and vein blood vessels, namely, calcified spots on the inner wall of the artery and vein, and the health of patients is seriously threatened.

In recent years, for calcium deposition in blood vessels, it is common to insert a catheter provided with a balloon into a blood vessel by means of a small procedure, inflate the balloon when it reaches the calcium deposition site, and work with electrodes disposed in the balloon to release a high voltage pulse, thereby forming a shock wave that propagates through the fluid and strikes the balloon wall and calcified areas to destroy the calcium deposition with the repeated pulse.

The american SHOCKWAVE MEDICAL company (SHOCKWAVE MEDICAL) provides various implementations of the principle of using SHOCKWAVEs to remove calcium deposits, such as US patent publications US8728091B2, US 8888788B 2, US 895639B 2, US 89563274B 2, US 9011462B 2, etc., however, the use of SHOCKWAVEs to remove calcified plaque in blood vessels of the human body requires the generation of high-pressure pulses in the human body, and the generated pulses cause the liquid filled in the balloon to generate bubbles, so that the bubbles act on the wall of the balloon when ruptured, and then act on the calcified plaque, however, the thickness of blood vessels at different positions on the same blood vessels of the human body is not the same, and if the pulse generated SHOCKWAVEs are too large, the blood vessels are damaged to a certain extent, so that the technology of using the pulses to remove calcified plaque in the human body is not applied clinically, and how to remove the plaque in the blood vessels safely and effectively remains a difficult technique of calcifying at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing kind supersound sacculus pipe subassembly to can remove the calcified plaque in the blood vessel safely effectively.

In order to achieve the purpose, the utility model adopts the technical scheme that the ultrasonic saccule catheter assembly comprises a catheter and a saccule which is arranged on the catheter and can be expanded, wherein the catheter axially passes through the inner cavity of the saccule and is used for introducing fluid into the inner cavity of the saccule, the periphery of the saccule and the catheter are arranged in a sealing way, the catheter assembly further comprises an ultrasonic generating element which can send ultrasonic waves, and the ultrasonic generating element is arranged on the catheter and is positioned in the inner cavity of the saccule.

Preferably, the catheter assembly further comprises a connecting wire connected to the ultrasound generating element, the other end of the connecting wire extending out of the balloon.

Preferably, the ultrasonic generating elements are arranged in a plurality of groups at intervals along the length extension direction of the catheter.

Preferably, the ultrasonic wave generating element is an ultrasonic chip element capable of emitting an ultrasonic wave.

Preferably, the ultrasound generating element is fixedly arranged on the catheter by means of a carrier ring.

, the carrier ring is fixedly sleeved on the catheter, and the carrier ring is provided with a supporting platform, and the ultrasonic wave generating element is fixedly arranged on the supporting platform.

Further , the carrier ring is a platinum ring.

In another preferable modes, the carrier ring is a ceramic ring with a gold layer plated on the surface, wherein the material of the ceramic ring is preferably aluminum trioxide or aluminum zirconate titanate.

Another objective of the present invention is to provide a ultrasound balloon catheter system.

In order to achieve the purpose, the utility model adopts the technical scheme that ultrasonic balloon catheter systems comprise the ultrasonic balloon catheter assembly, an ultrasonic control generator and a power supply, wherein the ultrasonic control generator is used for controlling the working state of the ultrasonic generating element, and the ultrasonic generating element is connected with the ultrasonic control generator through a connecting wire which penetrates out of the balloon.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses an supersound sacculus catheter subassembly, it can send ultrasonic wave generating element to attach to set up on the pipe that is equipped with the sacculus wherein, when using it to remove the endocalcification spot in the blood vessel, only need let in fluid make the sacculus start ultrasonic wave generating element after sufficient, just can make it send the ultrasonic wave and directly permeate through fluid and sacculus and directly act on the blood vessel calcification spot, thereby reach the purpose of getting rid of the blood vessel calcification spot, its transmissivity is good, it is more direct to get rid of the calcification spot, and the ultrasonic wave that produces in the working process can not cause the harm to the human body.

Drawings

Fig. 1 is a perspective view of an ultrasonic balloon catheter assembly of the present invention;

fig. 2 is a schematic front view of an ultrasonic balloon catheter assembly according to the present invention;

FIG. 3 is a schematic sectional view taken along line A-A of FIG. 2;

FIG. 4 is an enlarged view of the portion B of FIG. 3;

FIG. 5 is a schematic sectional view taken along the line C-C in FIG. 4;

fig. 6 is a schematic structural view of the ultrasound balloon catheter system of the present invention;

wherein: 1. a conduit; 2. a balloon; 3. an ultrasonic wave generating element (ultrasonic chip element); 4. a support ring; 41. an opening; 42. a straight section; 5. connecting a lead; 6. an ultrasonic control generator; 7. a power source.

Detailed Description

The technical solution of the present invention is further explained in step with reference to the drawings and the detailed description.

Referring to fig. 1 to 5, ultrasonic balloon catheter assembly comprises a catheter 1 and an inflatable balloon 2 arranged on the catheter 1, wherein the catheter 1 axially passes through the inner cavity of the balloon 2 and is used for introducing fluid into the inner cavity of the balloon 2, the periphery of the balloon 2 is hermetically arranged with the catheter 1, and the balloon 2 is inflated after being filled with fluid, in the specific arrangement, micropores are densely arranged on a pipe section of the catheter 1 positioned at the inner cavity part of the balloon 2, so that when the fluid is introduced into the catheter 1, the fluid enters the inner cavity of the balloon 2 through the micropores, and the balloon 2 is inflated after being filled with the fluid.

The catheter assembly also comprises an ultrasonic generating element 3 capable of emitting ultrasonic waves, wherein the ultrasonic generating element 3 is arranged on the catheter 1 and is positioned in the inner cavity of the balloon 2, and the ultrasonic generating elements 3 can be groups, or can be arranged in a plurality of groups at intervals along the length extension direction of the catheter 1.

The catheter assembly further comprises a connecting wire 5 connected to the ultrasonic wave generating element 3, wherein the other end of the connecting wire 5 is extended out of the balloon 2 for connecting with an ultrasonic control generator (not shown in the figure) to control the working state of the ultrasonic wave generating element 3, such as the start and stop of the working of the ultrasonic wave generating element 3, the frequency of the emitted ultrasonic wave, the working voltage and the like.

Referring to fig. 4 and 5, the ultrasonic wave generating element 3 is fixedly disposed on the catheter 1 through a carrier ring 4, in this embodiment, the carrier ring 4 is fixedly disposed on the catheter 1, and has supporting platforms thereon, and the ultrasonic wave generating element 3 is fixedly disposed on the supporting platforms, specifically, the carrier ring 4 includes a main ring portion having a U-shaped cross section and cooperating with the catheter 1, and straight portions 42 extending from two ends of the main ring portion toward each other, an opening is formed between the two straight portions 42, and the two straight portions 42 together form the supporting platform, and the ultrasonic wave generating element 3 is fixedly mounted on the two straight portions 42 and is fixedly supported by the carrier ring 4.

Referring to fig. 6, when the ultrasonic balloon catheter assembly is used, an ultrasonic control generator 6 for controlling the working state of the ultrasonic wave generating element 3 and a power supply 7 are required to form an ultrasonic balloon catheter system to work, wherein the ultrasonic wave generating element 3 is connected with the ultrasonic control generator 6 through a connecting wire 5 which penetrates out of the balloon 2.

When the ultrasonic saccule catheter assembly is used, namely when the ultrasonic saccule catheter assembly is used for removing the calcification spots in the blood vessel, the method comprises the following steps:

(1) delivering the balloon 2 to a preset position through the catheter 1, namely, passing the catheter 1 through a blood vessel until the balloon 2 is delivered to a position with calcified spots to be treated;

(2) introducing a fluid, typically normal saline, into the catheter 1, such that the fluid enters the balloon 2, thereby inflating the balloon 2 after filling with the fluid and contacting the vessel wall;

(3) the ultrasonic control generator 6 works and controls the ultrasonic generating element 3 to emit ultrasonic waves, so that the ultrasonic waves directly act on the calcification spots through the fluid and the balloon, and the calcification spots are stripped from the blood vessel and are discharged out of the body along with blood circulation after being cracked, thereby achieving the purpose of clearing the calcification spots in the blood vessel. The frequency of the ultrasonic waves emitted by the ultrasonic wave generating element 3 is controlled to be 20 KHz-2 MHz by the ultrasonic control generator 6, the working voltage of the ultrasonic wave generating element 3 is 350-500V, and the ultrasonic waves in working are in a safe range for a human body, so that the human body cannot be damaged, and the ultrasonic wave generating device has good safety.

To sum up, the utility model discloses an ultrasonic wave sacculus pipe subassembly wherein attaches to and sets up ultrasonic wave generating element 3 that can send on the pipe 1 that is equipped with sacculus 2, when using it to remove the endovascular calcification spot, only need let in fluid make sacculus 2 start ultrasonic wave generating element 3 after sufficient, just can make it send the ultrasonic wave and directly permeate through fluid and sacculus 2 and directly act on the vascular calcification spot to reach the mesh of getting rid of the vascular calcification spot. The penetration rate is good, the calcified plaque can be removed more directly, and the safety is better.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

The ultrasonic balloon catheter assembly comprises a catheter and an inflatable balloon arranged on the catheter, wherein the catheter axially penetrates through a balloon inner cavity and is used for introducing fluid into the balloon inner cavity, the periphery of the balloon and the catheter are arranged in a sealing mode, and the ultrasonic balloon catheter assembly is characterized by further comprising an ultrasonic wave generating element capable of emitting ultrasonic waves, and the ultrasonic wave generating element is arranged on the catheter and located in the balloon inner cavity.
2. The ultrasonic balloon catheter assembly of claim 1, further comprising a connecting wire connected to the ultrasound generating element, wherein the other end of the connecting wire extends out of the balloon.
3. The ultrasonic balloon catheter assembly of claim 1, wherein: the ultrasonic generating elements are arranged in a plurality of groups at intervals along the length extending direction of the catheter.
4. The ultrasonic balloon catheter assembly of claim 1, wherein: the ultrasonic wave generating element is an ultrasonic chip element capable of emitting ultrasonic waves.
5. The ultrasonic balloon catheter assembly of any one of claims 1-4- wherein the ultrasound generating element is fixedly disposed on the catheter by a carrier ring.
6. The ultrasonic balloon catheter assembly according to claim 5, wherein the carrier ring is fixedly sleeved on the catheter, and the carrier ring is provided with supporting platforms, and the ultrasonic wave generating element is fixedly arranged on the supporting platforms.
7. The ultrasonic balloon catheter assembly of claim 6, wherein: the carrier ring is a platinum ring.
8. The ultrasonic balloon catheter assembly of claim 7, wherein: the carrier ring is a ceramic ring with a gold layer plated on the surface.
9. The ultrasonic balloon catheter assembly of claim 8, wherein: the ceramic ring is made of aluminum trioxide or aluminum zirconate titanate.
10, ultrasonic balloon catheter system, which comprises the ultrasonic balloon catheter assembly of any of claims 1-9, an ultrasonic control generator for controlling the working state of the ultrasonic generating element, and a power supply, wherein the ultrasonic generating element is connected with the ultrasonic control generator through a connecting wire which penetrates out of the balloon.