Novel balloon dilatation catheter

A technology of balloon catheter and dilation catheter, which is applied in the field of medical devices, can solve the problems of being unable to pass through the distal protector, and achieve the effects of simple structure, low push resistance, and reduced distal embolism

Pending Publication Date: 2020-07-17
CHANGZHOU NO 2 PEOPLES HOSPITAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, the diameter of the coronary artery is small, especially when it is combined with severe coronary artery stenosis, it cannot pass through the distal protector; the technical problem to be solved by the patent of the present i

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  • Novel balloon dilatation catheter
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Embodiment Construction

[0025] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, a feature defined as "first", "second", etc. ...

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Abstract

The invention discloses a novel balloon dilatation catheter. The balloon dilatation catheter comprises an inflatable balloon, a shuttle-shaped balloon catheter, a groove, a hose and a connecting pipe,the shuttle-shaped balloon catheter is arranged below the inflatable balloon, the groove is formed on the outer side surface of the shuttle-shaped balloon catheter, the connecting pipe is arranged below the shuttle-shaped balloon catheter, and the hose sleeves the outer side of the connecting pipe. In the treatment process, an embolus can be fixedly sealed in the groove on the shuttle-shaped balloon catheter, and then can be discharged out of the body along with the balloon dilatation catheter; and the balloon dilatation catheter is simple in structure, small in pushing resistance and smoothin operation, can reduce distal embolization, and is beneficial to reducing the occurrence of no reflow.

Description

technical field [0001] The invention relates to the technical field of medical devices, in particular to a novel balloon dilatation catheter. Background technique [0002] Coronary no-reflow is a common complication of interventional therapy for coronary heart disease. Its pathogenesis is that in the process of balloon expansion atheromatous plaque and thrombosis, blood clots or atheromatous plaques break and fall off. Entering the distal blood vessel, blocking the blood supply of the heart microcirculation, may lead to aggravation of myocardial infarction, which can lead to death in severe cases. During peripheral vascular intervention, a distal protector can be used to filter and collect plaque, thrombus and other emboli that fall off during the operation. , before the operation, the distal protection device is sent to the far end of the operator, and the working instrument is operated at the proximal end of the operator. When plaque falls off or thrombus forms during the ...

Claims

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Application Information

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IPC IPC(8): A61M25/10A61F2/01
CPCA61F2/01A61F2/013A61M25/1002A61M25/104A61M2025/0002A61M2025/109A61M2205/0238
Inventor 孙铃王庆捷陈新刘宇
Owner CHANGZHOU NO 2 PEOPLES HOSPITAL
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