Drug particle delivery
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 5, 2002
Grant Date -
N/A
app pub date -
May 22, 2000
filing date -
Jul 4, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A needleless drug particle delivery device, of the kind in which firing of the drug particles is caused by a sudden gas flow, characterised in that the device comprises a container (14) of compressed gas and a mechanism for releasing the gas from the container to create the gas flow, the mechanism comprising a rupture (20) element for breaching the container and a manually manipulable actuator (27) for moving the element and the container relatively to one another to provide an initial breach whereby gas is released to act on a piston portion (21) to provide a servo action which causes the rupture element and container to move further suddenly relatively to one another to complete the breaching of the container and establish a maximum gas flow from the container.
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