ULTRASONIC THROMBUS REMOVING SYSTEM

WIPO Patent Application WO/2019/037783

A1

An ultrasonic thrombus removing system, comprising a front sheath tube (1) and a rear sheath tube (5) that are relatively independent and that may be inserted into a blood vessel (2); a rear end outer portion of the front sheath tube (1) is mounted with a front blocking balloon (105), and a front end outer portion of the rear sheath tube (5) is mounted with a rear blocking balloon (504); the front blocking balloon (105) and the rear blocking balloon (504) are located on two sides of a thrombus (3) in the blood vessel (2) respectively, a breaking cavity (4) being formed between the two blocking balloons; the front blocking balloon (105) and the rear blocking balloon (504) expand or contract in the blood vessel (2) by means of the squeezing or loosening of an external force so as to block or open front and rear sides of the thrombus (3); an inner portion of the rear sheath tube (5) is provided with a core tube (502) that co-axially penetrates therethrough, a front end of the core tube (502) being provided with a breaker (501) that is used for breaking the thrombus (3), while a rear end of the rear sheath tube (5) is provided with a discharge tube (511) that communicates with the core tube (502).

CAI GAIPIN (CN)
LUO XIAOYAN (CN)
ZHAN PENGFEI (CN)
CHENG TIEDONG (CN)
CHEN HAOHUA (CN)
CHEN HUIMING (CN)

PCT/CN2018/102300

February 28, 2019

August 24, 2018

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CAI GAIPIN (CN)

A61B17/22

CN107348990A	2017-11-17
CN107397575A	2017-11-28
CN107510491A	2017-12-26
CN1771880A	2006-05-17
CN103767760A	2014-05-07
US6398792B1	2002-06-04
US20140046244A1	2014-02-13
US20040204670A1	2004-10-14

RUNPING & PARTNERS (CN)

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