Title:
DEVICE CAPABLE OF TEMPORARILY STORING CEREBROSPINAL FLUID
Document Type and Number:
WIPO Patent Application WO/2018/014167
Kind Code:
A1
Abstract:
A device capable of temporarily storing a cerebrospinal fluid, which employs a cut-off valve (4), and is capable of closing after extracting the cerebrospinal fluid so as to prevent the cerebrospinal fluid from leaking. A protrusion point (5) is used therein to prevent the cut-off valve (4) from falling off, a seal ring (6) is used therein to prevent the cerebrospinal fluid from leaking; an anti-off ring (81) is used therein to prevent an annular piston rod (9) and a main piston rod (10) from falling off from a main body, and from being dropped outside.
Inventors:
LIU JINFENG (CN)
ZHONG LANGYA (CN)
ZHONG LANGYA (CN)
Application Number:
PCT/CN2016/090349
Publication Date:
January 25, 2018
Filing Date:
July 18, 2016
Export Citation:
Assignee:
LIU JINFENG (CN)
International Classes:
A61M1/00; A61J1/05
Foreign References:
| CN101216384A | 2008-07-09 | |||
| CN104874093A | 2015-09-02 | |||
| CN201143221Y | 2008-11-05 | |||
| CN201418927Y | 2010-03-10 | |||
| CN104922769A | 2015-09-23 | |||
| CN1826265A | 2006-08-30 | |||
| CN104841025A | 2015-08-19 | |||
| US4500311A | 1985-02-19 |
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