Title:
VALVE UNIT AND INFUSION SET
Document Type and Number:
WIPO Patent Application WO/2007/052445
Kind Code:
A1
Abstract:
An infusion valve unit (1) to be employed in a liquid supply line, comprising:
a valve-holding container (2) having an inlet part (26) for flowing in an infusion
preparation at the upper part and an outlet part (29) provided with a taper hole
(40) for flowing out the infusion preparation, which has been flown in from the
inlet part (26), at the lower part; and a valve (3) having a liquid stopper (5),
which is held in a vertically movable manner in the valve-holding container (2)
and switchably connected to the taper hole (40) so as to open/close the hole, and
a buoyancy part (4) which is located above the liquid stopper (5) and comes up due
to buoyancy.
Inventors:
CHIKASHIGE KIYOSHI (JP)
Application Number:
PCT/JP2006/320187
Publication Date:
May 10, 2007
Filing Date:
October 10, 2006
Export Citation:
Assignee:
ADVANEX INC (JP)
CHIKASHIGE KIYOSHI (JP)
CHIKASHIGE KIYOSHI (JP)
International Classes:
F16K31/22; A61M5/168
Foreign References:
| JPH0639003U | 1994-05-24 | |||
| US2582819A | 1952-01-15 | |||
| US2616453A | 1952-11-04 | |||
| JPS53135005A | 1978-11-25 | |||
| JPS53158935U | 1978-12-13 | |||
| US4731060A | 1988-03-15 |
Attorney, Agent or Firm:
SHIGA, Masatake et al. (Yaesu Chuo-k, Tokyo 53, JP)
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