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Patent Searching and Data


Title:
LIQUID ADMINISTRATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/146012
Kind Code:
A1
Abstract:
This liquid administration device (1) is provided with: a syringe assembly (2) having an inner tube (3), a needle tube (11), a gasket, a plunger (13), and an outer tube (5); a guide member (6); an energizing means; an intermediate tube (4) having an intermediate tube main body (41) and a pinion gear (45); and a pair of shutters (8a, 8b) that are provided in a manner so as to be able to move to the tip side of the intermediate tube (4) and that have a rack gear (82) that meshes with the pinion gear (45). In the initial state, the syringe assembly (2) is positioned at a first position, the shutters (8a, 8b) are open, and the needle tube (11) is protruding, when administration of a liquid by means of an operation of moving the plunger (13) is complete, the syringe assembly (2) moves to a second position by means of the energizing force of the energizing means, and at such a time, the shutters (8a, 8b) close in a manner so as to cover the needle tip (111) at the tip side of the needle tube (11).

Inventors:
FUKE SHIGEAKI (JP)
IMAI MASAOMI (JP)
ARINOBE MANABU (JP)
Application Number:
PCT/JP2013/054910
Publication Date:
October 03, 2013
Filing Date:
February 26, 2013
Export Citation:
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Assignee:
TERUMO CORP (JP)
International Classes:
A61M5/32; A61M5/28
Domestic Patent References:
WO2010104779A12010-09-16
Foreign References:
JP2003501218A2003-01-14
Attorney, Agent or Firm:
MASUDA, TATSUYA (JP)
Tatsuya Masuda (JP)
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