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Intracranial medicine balloon

A balloon and drug technology, applied in the field of medical devices, can solve problems such as reduced efficacy

Inactive Publication Date: 2021-11-09
THE PEOPLES HOSPITAL SHAANXI PROV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide an intracranial drug balloon, which solves the problem that the existing intracranial drug balloons in the prior art are all coated with drugs on the surface of the balloon, and when transported in blood vessels, they will be The blood washes away part of the drug, resulting in reduced efficacy

Method used

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  • Intracranial medicine balloon
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Examples

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Embodiment Construction

[0026] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0027] In describing the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientations or positional relationships indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or ele...

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Abstract

The invention relates to the technical field of medical instruments, and particularly relates to an intracranial medicine balloon. A first air hole corresponds to an expansion balloon; a second air hole is formed in the end, close to a balloon body, of a catheter; a first expansion membrane is arranged in the second air hole; and a first protruding block is arranged at the end, close to a split, of the first expansion membrane. When the balloon body reaches a lesion, a pressure medium is injected into the catheter, part of the pressure medium enters the expansion balloon through the first air hole, the expansion balloon expands to make full contact with the blood vessel wall of the lesion under the pressure effect, part of the pressure medium applies pressure to the first expansion membrane through the second air hole, the first expansion membrane is stressed to deform, the medicine balloon is punctured through the first protruding block, medicine in the medicine balloon overflows to the lesion for treatment, and the situation that the medicine is diluted before reaching the lesion, and consequently the treatment effect is reduced is avoided.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to an intracranial drug balloon. Background technique [0002] In recent years, drug balloons to prevent vascular restenosis after interventional therapy have appeared. Anti-vascular intimal hyperplasia drugs are coated on the surface of the balloon. The technology of intima-mural contact and drug release into the local vessel wall. [0003] However, in the existing intracranial drug balloons, the drug is coated on the surface of the balloon, and when transported in the blood vessel, part of the drug will be washed away by the blood, resulting in reduced curative effect. Contents of the invention [0004] The object of the present invention is to provide an intracranial drug balloon, which solves the problem that the existing intracranial drug balloons in the prior art are all coated with drugs on the surface of the balloon, and when transported in the blood vessel, it wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M25/10
CPCA61M25/1002A61M2025/105A61M2210/0687A61M2210/005
Inventor 王晓辉
Owner THE PEOPLES HOSPITAL SHAANXI PROV
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