Title:
RETRIEVAL DEVICE FOR THROMBUS IN BLOOD VESSEL
Document Type and Number:
WIPO Patent Application WO/2018/120254
Kind Code:
A1
Abstract:
A retrieval device for a thrombus in a blood vessel, comprising a thrombus retrieving system and a transport system, characterized in that: the thrombus retrieving system comprises a thrombus push-back component (11) and a thrombus receiving and sealing component (12), and the transport system comprises a push component (22) and a manipulation component (21); the distal end of the push component (22) is connected to the thrombus receiving and sealing component (12), and the distal end of the manipulation component (21) is connected to the thrombus push-back component (11); the thrombus push-back component (11) can be released at the distal end of a target thrombus (50), and the thrombus receiving and sealing component (12) can be released at the proximal end of the target thrombus (50); by keeping the push component (22) fixed and drawing the manipulation component (21) back towards the proximal end direction, the thrombus push-back component (11) pushes the target thrombus (50) into the thrombus receiving and sealing component (12), and the thrombus push-back component (11) also can partially or wholly enter the thrombus receiving and sealing component (12) at the proximal end; finally, by wholly drawing back the transport system, the thrombus retrieving system enclosing the target thrombus (50) is withdrawn from the body. The retrieval device for a thrombus in a blood vessel has the advantages that the thrombus capture rate is high, a thrombus is less prone to fall off during withdrawal, the transport system runs smoothly, and a blood vessel is less likely to be harmed during thrombus retrieval.
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Inventors:
WANG KAI (CN)
YE PING (CN)
YE PING (CN)
Application Number:
PCT/CN2017/000309
Publication Date:
July 05, 2018
Filing Date:
April 20, 2017
Export Citation:
Assignee:
SHANGHAI ACHIEVA MEDICAL SUZHOU CO LTD (CN)
International Classes:
A61B17/22
Foreign References:
| US20100268265A1 | 2010-10-21 | |||
| US20150265299A1 | 2015-09-24 | |||
| CN102186427A | 2011-09-14 | |||
| CN101588762A | 2009-11-25 | |||
| CN101998845A | 2011-03-30 | |||
| CN106108980A | 2016-11-16 |
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