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Microcatheter

A microcatheter and tube body technology, applied in the field of microcatheters, can solve the problems of poor visibility at the distal end of microcatheters, achieve the effects of improving the success rate of surgery, improving flexibility, and reducing the risk of dispersal

Pending Publication Date: 2021-01-15
聚辉医疗科技(深圳)有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to at least solve the problem of poor visibility at the distal end of the microcatheter

Method used

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Embodiment Construction

[0024] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0025] It should be understood that the terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may also be meant to include the plural forms unless the context clearly dictates otherwise. The terms "comprising", "comprising", "containing" and "having" are inclusive and thus indicate the presence of stated...

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Abstract

The invention relates to a microcatheter. The microcatheter comprises a connector, a diffusion stress tube and a tube body, wherein the diffusion stress tube is connected with the connector and the tube body; the tube body sequentially comprises an inner layer, a middle layer and an outer layer from inside to outside; the middle layer comprises a first section, a second section and a third sectionwhich are sequentially connected from the far end to the near end; the first section comprises a first silk thread and a second silk thread; the first silk thread and the second silk thread are arranged side by side and form a spring structure in a spiral mode; the first silk thread is made of nickel-titanium alloy or cobalt-chromium alloy; the second silk thread is made of gold and gold alloy orplatinum and platinum alloy; the second section and the third section are each of a woven structure; and the weaving density of the second section is larger than that of the third section. Accordingto the microcatheter, in an operation process, a doctor can observe the form of the far end of the microcatheter in real time, the risk of irreversible loss caused by the fact that the far end of themicrocatheter is not observed to be folded is reduced, and the operation success rate is increased.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to a microcatheter. Background technique [0002] What is presented in this section is background information related to the disclosure of the present application only and is not necessarily prior art. [0003] Cerebral hemorrhage caused by intracranial aneurysm has the characteristics of acute onset, rapid disease progression, high morbidity and mortality, and a high rate of secondary hemorrhage in a short period of time, so early treatment is particularly important. At present, the treatment of intracranial aneurysms by interventional vascular access is developing rapidly in modern neurosurgery. [0004] Clinically, microcatheters are usually required for minimally invasive interventional treatment of intracranial aneurysms. During the operation, the microcatheter needs to be pushed from the outside of the body to the lesion. In order to ensure that the microcatheter...

Claims

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Application Information

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IPC IPC(8): A61M25/00
CPCA61M25/0021A61M25/0045A61M2025/0042A61M2025/0046A61M25/0053A61M2210/0693A61M2210/12A61M2210/005
Inventor 王高波李守强叶艺俊
Owner 聚辉医疗科技(深圳)有限公司
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