LUNG ISOLATION CATHETER

WIPO Patent Application WO/2016/116038

A1

A lung isolation catheter (1) comprises a main tracheal catheter (2), a bronchial catheter (3), a first opening (21) and second openings (22). A first air sac (6) is arranged on the outer wall of the main tracheal catheter (2) and the first air sac (6) is connected to a first inflation valve (61). The bronchial catheter (3) is connected to the lower end of the main tracheal catheter (2). A second air sac (5) is arranged on the outer wall of the bronchial catheter (3) and the second air sac (5) is connected to a second inflation valve (51). A sealing member (4) is arranged inside the bronchial catheter (3) and the sealing member (4) is connected to a third inflation valve (41) by using a ventilation pressure control device (42). The first opening (21) is formed at the tail end of the bronchial catheter (3). The second openings (22) are formed on the catheter wall at the lower end part of the main tracheal catheter (2) and located below the first air sac (6). There are at least two second openings (22), which are distributed along the peripheral surface of the main tracheal catheter. The lung isolation catheter has an excellent ventilation function, is operated safely, conveniently and efficiently, and can reduce the risk of existing double-lumen endotracheal intubation.

XIAO JINFANG (CN)
SU LIANG (CN)
XIAO MING (CN)

PCT/CN2016/071430

July 28, 2016

January 20, 2016

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XIAO JINFANG (CN)
SU LIANG (CN)

A61M16/04

WO2005084739A1

2005-09-15

CN204766920U	2015-11-18
CN104524678A	2015-04-22
CN201558393U	2010-08-25
CN201320340Y	2009-10-07
CN200991488Y	2007-12-19
CN203263978U	2013-11-06
US20110186053A1	2011-08-04

WAN HUI DA INTELLECTUAL PROPERTY AGENCY (CN)
北京万慧达知识产权代理有限公司 (CN)

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