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Title:
CAP FOR INDWELLING NEEDLE, INDWELLING NEEDLE FOR EXTRACORPOREAL CIRCULATION WITH CAP ATTACHED, BLOOD CIRCUIT, AND BLOOD CIRCUIT PRIMING METHOD
Document Type and Number:
WIPO Patent Application WO/2015/147173
Kind Code:
A1
Abstract:
The present invention is a cap (6) for an indwelling needle which is removably mounted to an indwelling needle (1) for extracorporeal circulation, wherein, inside a needle (4) shaped as a tubular body, an outer peripheral space (16) for communicating with a blood removal-side blood circuit (102) and an inner space (2a) for communicating with a blood returning-side blood circuit (103) are compartmentally formed. The cap is provided with: a storing section (6a) capable of storing within the same space both an aperture (17) that is opened in the needle (4) and that opens the outer peripheral space (16) and a leading end aperture (2b) that is opened separately from that aperture (17) and that opens the inner space (2a); and an O-ring (29) that is for storing the needle (4) in the storing section (6a) in a liquid-tight state.

Inventors:
CHIBA TOSHIAKI (JP)
NIMURA HIROSHI (JP)
FUJIWARA MASATO (JP)
Application Number:
PCT/JP2015/059397
Publication Date:
October 01, 2015
Filing Date:
March 26, 2015
Export Citation:
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Assignee:
NIKKISO CO LTD (JP)
International Classes:
A61M1/14; A61M1/30
Domestic Patent References:
WO2014051138A12014-04-03
Foreign References:
JP2009089841A2009-04-30
JP2003265600A2003-09-24
JPS57190566A1982-11-24
JPS58155867A1983-09-16
JPH0584297A1993-04-06
JPS5944990U1984-03-24
JP2009297339A2009-12-24
Attorney, Agent or Firm:
YKI Patent Attorneys (JP)
Patent business corporation YKI international patent firm (JP)
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