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Balloon dilation catheter component

A technology for dilating catheters and balloons, which is applied in the field of medical devices and can solve problems such as damage to subcutaneous muscles and renal parenchyma

Pending Publication Date: 2019-03-19
莱凯医疗器械(北京)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, when the fascial dilator is used for predilation, that is, during the process of inserting the kidney along the guide wire and then pulling it out, the shearing action of the fascial dilator will increase the risk of damage to the subcutaneous muscle and renal parenchyma

Method used

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Embodiment Construction

[0032] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0033] In the description of the present invention, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" appear ", etc., the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specif...

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Abstract

The invention provides a balloon dilation catheter component and relates to the technical field of medical instruments. A wire guide passage and a balloon inflation passage are arranged in a main guide tube of the balloon dilation catheter component; the wire guide passage runs through the main guide tube along the extension direction of the main guide tube; a support tube made of stainless steelis arranged in the wire guide passage. The support tube made of stainless steel allows the step to be omitted where a fascial dilator is used to carry out pre-dilating; the main guide tube with a guide sheath is inserted directly along a guide wire; the risk that shearing action of the fascial dilator for pre-dilating causes injury to subcutaneous muscles and renal parenchymal tissue is decreased.In addition, the support tube helps improve the rigidity of the component herein; a false passage is rarely formed during insertion; no bending occurs; inserting is easier. When the balloon is fullyinflated, the end, close to the head, of the main guide tube, of the balloon is 60-90 degrees angled to the axis of the main guide tube. The balloon dilation catheter component also comprises a dilating sheath that is tearable.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to a balloon dilation catheter assembly. Background technique [0002] Balloon dilatation catheter is a kind of medical intervention equipment, wherein, percutaneous renal balloon dilation catheter is used for safe, effective and rapid establishment of skin-kidney channel. [0003] In the prior art, the percutaneous renal balloon dilatation catheter includes a main catheter and a balloon, the main catheter is a flexible tube, and the balloon ring is arranged on the outer wall of the main catheter. During use, the user first penetrates the cannulated puncture needle into the renal calyx or renal pelvis, pulls out the needle core, indwells the needle tube, inserts the guide wire into the kidney along the needle tube, pulls out the needle tube, and indwells the guide wire; Use a fascial dilator for pre-dilation, that is, insert the fascial dilator into the kidney along the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61M29/02
CPCA61M29/00
Inventor 朱洲
Owner 莱凯医疗器械(北京)有限公司
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