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Balloon dilatation catheter

A technology for dilating catheters and balloons, which is applied in the direction of balloon catheters, catheters, dilators, etc., can solve the problems of normal tissue damage and drug spillage, and achieve the effect of reducing the dosage and amount of spillage

Pending Publication Date: 2017-10-31
青岛智辰生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The purpose of the present invention is to provide a balloon dilatation catheter to solve the problem that the existing drug balloons will produce a large amount of drug spillage during the administration process, and the large amount of spilled drugs will cause serious damage to the surrounding normal tissues

Method used

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  • Balloon dilatation catheter
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Examples

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Embodiment Construction

[0048] Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0049] The embodiment of the present invention solves the problem that a large amount of drugs will spill out during the administration process of the existing drug balloon, and the large amount of spilled drugs will cause serious damage to the surrounding normal tissues. Embodiments of the present invention provide a balloon dilatation catheter, such as figure 1 and figure 2 shown, including:

[0050] the first inflation balloon 1;

[0051...

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Abstract

The invention provides a balloon dilatation catheter, for solving the problem that with the existing medicine balloon, a large amount of medicine overflows in the medicine delivery process, consequently, serious injuries are caused to the surrounding normal tissues by the large amount of overflowing medicine. The balloon dilatation catheter provided by the invention comprises a first dilatation balloon and at least one micropore catheter arranged in a manner of spanning the surface of the first dilatation balloon, wherein each micropore catheter comprises at least one micropore cavity protruding out of the surface of the micropore catheter and communicating with the inner cavity of the micropore catheter, each micropore cavity is formed in the area, spanning the surface of the first dilatation balloon, of the micropore catheter, and the inner cavity of each micropore catheter is a therapeutic agent first injection cavity. When the first dilatation balloon dilates, the micropore cavities arranged on the micropore catheters protrude out along the surface of the balloon and are inserted into the superficial part of the lesion tissue or the lumen, then a treatment agent is delivered, so that the use amount and overflowing amount of the treatment agent are effectively reduced, and therefore, the injuries caused to the surrounding normal tissues, mucous membranes, lumen and the like are reduced.

Description

technical field [0001] The invention relates to the technical field of medical device design, in particular to a balloon dilation catheter. Background technique [0002] The introduction of medical devices into the patient's vasculature or other lumens (e.g., esophagus, trachea, intestine, urinary tract, or bile duct) to treat various medical conditions is becoming more and more important, especially through the use of medical devices to target drugs Treatment of local disease is increasingly common, such as stents, catheters, balloon catheters, etc. [0003] Over the past few years, a number of topical drug delivery systems have been developed. Among many medical devices that use targeted drugs to treat local diseases, drug stents are currently one of the most commonly used and most effective interventional devices. The stent is mixed with a drug and a polymer matrix and coated on the surface of the stent to form a local slow drug release system. When the stent is implant...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M25/10A61M29/04A61M3/02
CPCA61M3/0279A61M25/0021A61M25/0043A61M25/1002A61M25/1011A61M29/00A61M2025/105
Inventor 孙燕
Owner 青岛智辰生物科技有限公司
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