Title:
SPECIAL CATHETER FOR THROMBUS ASPIRATION FROM DISTAL CEREBRAL VESSEL
Document Type and Number:
WIPO Patent Application WO/2021/068421
Kind Code:
A1
Abstract:
Disclosed is a special catheter for thrombus aspiration from a distal cerebral vessel, the catheter comprising a catheter base (1), a stress release tube (2), and a tube body (3). The main body part of the tube body (3) is composed of three layers including an inner layer, a woven layer and an outer layer, wherein the material of the outer layer is mainly prepared from one of more of nylon 12, PEBAX and TPU polyester materials mixed with one another. The material of the outer layer uses a sectional design, and is designed according to the physiological anatomical structure of the cerebral vessel to provide the corresponding flexibility according to different sections of a blood vessel, such that the catheter can effectively adapt to the structure of a blood vessel to facilitate the catheter in reaching a lesion position.
Inventors:
LI XINXIN (CN)
ZHANG YI (CN)
YE PING (CN)
ZHANG YI (CN)
YE PING (CN)
Application Number:
PCT/CN2019/130545
Publication Date:
April 15, 2021
Filing Date:
December 31, 2019
Export Citation:
Assignee:
SHANGHAI ACHIEVA MEDICAL SUZHOU CO LTD (CN)
International Classes:
A61M25/00
Foreign References:
| CN110537956A | 2019-12-06 | |||
| CN109498957A | 2019-03-22 | |||
| CN109331322A | 2019-02-15 | |||
| CN109349984A | 2019-02-19 | |||
| US20170274180A1 | 2017-09-28 | |||
| JP2008229160A | 2008-10-02 |
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