Title:
LIQUID EXTRACTION PIECE FOR AIRTIGHT BODY FLUID INDWELLING DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/107687
Kind Code:
A1
Abstract:
Provided is a liquid extraction piece for an airtight body fluid indwelling device used to collect body fluids, comprising an annular side wall A (1) and an annular side wall B (2); a flow-conducting passage (10) formed by the enclosure of the annular side wall A (1); and an exhaust passage (21) formed by the enclosure of the annular side wall B (2), wherein the upper part of the annular side wall B (2) does not connect with the annular side wall A (1), and the smallest part of the sectional area of the flow-conducting passage (10) is equal to or greater than 3 mm2 and is equal to or less than 15 mm2; and the smallest part of the sectional area of the exhaust passage (21) is equal to or greater than 3 mm2 and is equal to or less than 15 mm2. The liquid extraction piece has the advantages of being easy to manufacture, having decreased production costs, high production efficiency and being able to prevent backflow.
Inventors:
SHAN XIJIE (CN)
Application Number:
PCT/CN2016/104889
Publication Date:
June 29, 2017
Filing Date:
November 07, 2016
Export Citation:
Assignee:
SHAN XIJIE (CN)
International Classes:
B67C11/00; A61B10/00; B01L3/00; G01N1/10
Foreign References:
| CN2853763Y | 2007-01-03 | |||
| CN2589452Y | 2003-12-03 | |||
| US20130000778A1 | 2013-01-03 | |||
| CN201033730Y | 2008-03-12 | |||
| CN201077753Y | 2008-06-25 | |||
| CN203238022U | 2013-10-16 | |||
| JPH08244891A | 1996-09-24 | |||
| CN203916688U | 2014-11-05 | |||
| JP2000238895A | 2000-09-05 |
Attorney, Agent or Firm:
DH PILOT IP LAW FIRM (CN)
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