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Balloon catheter

A balloon catheter, balloon technology, applied in balloon catheters, drug devices, other medical devices, etc., can solve the problems of drug solution loss, vasospasm and thrombosis, multi-drug transfer efficiency, etc., to enhance absorption, improve Metastasis rate, effect of relieving blood pressure and blood scour

Pending Publication Date: 2021-12-10
SHANGHAI MICROPORT MEDICAL (GROUP) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a balloon catheter to solve the problems that the existing perfusion drug balloons are prone to cause vasospasm and thrombus, the loss of drug solution is large, and the drug transfer efficiency is low.

Method used

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Embodiment Construction

[0032] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the diagrams provided in this embodiment are only schematically illustrating the basic idea of ​​the present invention, and only the components related to the present invention are shown in the diagrams rather than the number, shape and shape of the components in actual implementation. Dimensional drawing, the type, quantity and proportion of each component can be changed arbitrarily during actual implementation, ...

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Abstract

The invention relates to a balloon catheter. The balloon catheter can be filled with liquid medicine, so that the liquid medicine flows out through micropores in a balloon and is absorbed by the blood vessel wall; in the liquid medicine filling process, due to the accumulation effect of a porous film on the liquid medicine, stimulation of liquid medicine impact to the blood vessel wall is reduced, vasospasm is prevented, meanwhile, liquid medicine loss is reduced, and the medicine transfer rate is increased.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to a balloon catheter. Background technique [0002] Since the 1970s, the use of interventional medical devices to treat various cardiovascular diseases has become more and more common. And it has experienced three milestone rapid developments: simple balloon dilatation (PTCA), bare metal stent (BMS) and drug-eluting stent (DES). In particular, the emergence of drug-coated stents has achieved great success in the treatment of vascular stenosis, showing the potential of DES in the treatment of stenosis. At present, DES is the first choice for the treatment of obstructive coronary heart disease, but it has problems such as late stent thrombosis, long healing time of blood vessels, and easy influence on vascular pulsation. Moreover, the application of DES is limited in in-stent restenosis (ISR), small vessel disease and bifurcation disease. In this case, drug-coated ballo...

Claims

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Application Information

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IPC IPC(8): A61M25/10A61M31/00
CPCA61M25/10A61M31/002A61M2025/105A61M2025/1086
Inventor 李猛王钰富李俊菲罗七一
Owner SHANGHAI MICROPORT MEDICAL (GROUP) CO LTD
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