圧力ガイドワイヤ

Japanese Patent JP7164595

B2

The invention relates to a pressure guide wire which comprises an insertion portion and an operation portion(6), wherein the insertion portion comprises a mandrel (4), a distal-end protective sleeve (1) wrapping the distal end portion of the mandrel (4), a proximal-end protective sleeve (3) wrapping the proximal end portion of the mandrel (4), an intermediate ring (2) disposed between the distal-end protective sleeve (1) and the proximal-end protective sleeve (3),which is fixedly sleeved on the mandrel (4) and the outer surface of which is provided with a groove (2), and a pressure sensor (5) disposed in the groove (21) of the intermediate ring (2) and connected with a plurality of sensing wires (51), which extends between the proximal-end protective sleeve (3) and the mandrel (4) and the other end of which is connected to the operation portion (6). The operation portion (6) is used to transmit signals of the sensor (5) to an external display device (7). The pressure guide wire can monitor the pressure change in the lumen accurately and in real time, and the sensing wires (51) is wrapped by the proximal-end protective sleeve (3), so that the guide wire is good in flexibility and the durability, and the pressure guide wire has a smooth outer wall and is excellent in safety.

Chung Zhongwei
Tight voyage
Prince
Yukei
Strangeness

JP2020509436A

November 01, 2022

January 03, 2018

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Shanghai Ying Wei Medical Instrument Co., Ltd.

A61B5/00; A61L31/02; A61L31/04; A61L31/06; A61L31/08; A61M25/09

JP2016501680A
JP2017503585A
JP10505269A
JP2007296354A
JP2001079093A

US20160303354
US20140275950
CN206414602U

Naoya Ohyuki
Shuji Watanabe

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