DOUBLE-ENDED NEEDLE AND MIXING INSTRUMENT

Title:

DOUBLE-ENDED NEEDLE AND MIXING INSTRUMENT

Document Type and Number:

WIPO Patent Application WO/2012/132829

Kind Code:

A1

Abstract:

Provided are a double-ended needle and a mixing instrument that are capable of suppressing the reverse flow of a solution. A double-ended needle (20a) for configuring part of a mixing instrument (10) has a first puncturing part (70a) and a second puncturing part (72a) that contain bores therein that are connected to one another. The bore (76) of the first puncturing part (70a) and the bore (77) of the second puncturing part (72a) are connected to one another, and the cross-sectional area of the bore (76) of the first puncturing part (70a) is smaller than the cross-sectional area of the bore (77) of the second puncturing part (72a).

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Inventors:

SOMA KATSUAKI (JP)
ISHIHARA HIROYUKI (JP)
YATABE TERUYUKI (JP)

Application Number:

PCT/JP2012/056054

Publication Date:

October 04, 2012

Filing Date:

March 09, 2012

Export Citation:

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Assignee:

TERUMO CORP (JP)
SOMA KATSUAKI (JP)
ISHIHARA HIROYUKI (JP)
YATABE TERUYUKI (JP)

International Classes:

A61J3/00

Foreign References:

US4624667A	1986-11-25
JPS56133835U	1981-10-09
JPS518080A	1976-01-22
US3987791A	1976-10-26
JP2001333961A	2001-12-04
JP3590401B2	2004-11-17

Other References: