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Balloon catheter

A balloon catheter and balloon technology, applied in balloon catheters, catheters, hollow probes, etc., can solve the problems of increasing surgical risk, prolonging operation time, balloon delivery, etc., and achieving the goal of shortening operation time and reducing operation difficulty. Effect

Active Publication Date: 2020-05-12
GUANGDONG BROSMED MEDICAL DEVICE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The disadvantage of this method is that if the stenosis of the lesion is serious and complex, the push rod cannot deliver the distal balloon into the middle of the lesion, and the balloon catheter needs to be taken out of the body, and the balloon catheter needs to be retracted with a refolding tool before re-entering. Dilation of blood vessels increases surgical risk and prolongs surgical time

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Such as figure 1 As shown, the balloon catheter 100 of Embodiment 1 includes a catheter assembly 10 having opposite proximal and distal ends, an expandable balloon 20 located at the distal end of the catheter assembly 10, and a first lug connected to the proximal end of the catheter assembly 10. Luer lock connector 30 , and a foldable sleeve 40 that can be sleeved on the outside of the expandable balloon 20 , and a second Luer lock connector 50 that is connected to the proximal end of the foldable sleeve 40 . The proximal end and the distal end of the expandable balloon 20 are respectively sheathed on the outer periphery of the catheter assembly 10 and sealed.

[0025] Such as figure 2 As shown, the expandable balloon 20 has three flaps. The three flaps are wrapped tightly around the catheter assembly 10 and tightly wrapped by the folded sleeve 40, so that the expandable balloon 20 is in a folded and contracted state. The folded sleeve 40 can slide toward the first ...

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Abstract

The present invention discloses a balloon catheter. The balloon catheter comprises a catheter assembly with opposite proximal and distal ends, an expandable balloon located at the distal end of the catheter assembly, a first Luer lock connector connected with the proximal end of the catheter assembly, a folding sleeve pipe movably arranged at the outside of the expandable balloon in a sleeve manner, and a second Luer lock connector connected with the proximal end of the folding sleeve pipe, wherein the proximal and distal ends of the expandable balloon are respectively arranged at the periphery of the catheter assembly in a sleeve manner, and are sealed. The folding sleeve pipe can be used as a reinforcing pipe of the catheter assembly to improve the pushing property of a push rod. Compared with the prior art, if a lesion is severe in narrow degree and is relatively complicated, the balloon catheter can more easily transport the distal balloon into the middle of the lesion, and can directly retract the balloon at the target lesion location, vasodilation is performed through multiple repetitions, the surgery risk is reduced, and the surgery time is shortened.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to a balloon catheter. Background technique [0002] At present, balloon catheters are widely used in the expansion of stenotic lesions in blood vessels, or in the placement and expansion of stents. Existing balloon catheters generally include a joint connected to the proximal end of the catheter, a push rod (catheter proximal end), a balloon located at the distal end of the catheter, and a catheter tip. The catheter has an inflation and deflation lumen for inflation and deflation of the balloon and a guide wire lumen for receiving and passing a guide wire. The interior of the balloon communicates with the inflation and discharge pressure cavity and the joint. [0003] When the balloon catheter is used, the guide wire is first inserted into the tip of the balloon and passed through the guiding catheter from the proximal end to the opening of the blood vessel. The guid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M25/10A61M29/04
CPCA61M25/0021A61M25/0026A61M25/0043A61M25/10A61M29/02
Inventor 胡景就黄君仪张志军
Owner GUANGDONG BROSMED MEDICAL DEVICE CO LTD
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