INJECTION DEVICE FOR POWDERED DRUGS AND INJECTION METHOD FOR POWDERED DRUGS

Title:

INJECTION DEVICE FOR POWDERED DRUGS AND INJECTION METHOD FOR POWDERED DRUGS

Document Type and Number:

WIPO Patent Application WO/2014/171522

Kind Code:

A1

Abstract:

An injection device (1) for powdered drugs comprises: a cylindrical guide member (21) mounted to a container body (11); a gas generating agent (43) that is accommodated in a cylindrical section (26); a cylindrical breaking member (31) that drops the gas generating agent (43) into water in the container body (11) by breaking a sealing portion (41); a piston (63) that slides against a bottom sliding inner circumferential wall (53) in an airtight manner and that defines a gap with an upper enlarged diameter inner circumferential wall (55); and a powdered drug (30) that is accommodated on the piston (63).

Inventors:

MIYAJI RYUTA (JP)
ATARASHI MIKIHIKO (JP)
MATSUBARA AKIRA (JP)
TAKAHASHI NAOKI (JP)

Application Number:

PCT/JP2014/060978

Publication Date:

October 23, 2014

Filing Date:

April 17, 2014

Export Citation:

Click for automatic bibliography generation Help

Assignee:

EARTH CHEMICAL CO (JP)

International Classes:

A01M7/00

Foreign References:

JP2003275634A	2003-09-30
JPH0253152U	1990-04-17
JP2000083565A	2000-03-28
JP2005021138A	2005-01-27
JP3064446U	2000-01-21
JP2003289782A	2003-10-14
JP2007326851A	2007-12-20
JP2006035065A	2006-02-09
JP2011011181A	2011-01-20

Other References: