Self-administration device for liquid drugs
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United States of America Patent
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Feb 22, 2000
Grant Date -
N/A
app pub date -
Mar 18, 1998
filing date -
Mar 18, 1997
priority date (Note) -
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Abstract
A self-administration device for liquid drugs, which can be filled in a short time without troubles such as leakage and is capable of a pushing operation in one-touch. The self-administration device for liquid drugs includes a casing 1; a port portion 2; a reservoir 3 having an open end which is closed by the port portion 2 and is capable of being restored to its original shape; and pushing means 4 for pushing the reservoir 3, wherein the reservoir 3 is pressed by the pushing means 4 to inject the liquid drug. The pushing means 4 includes a cylindrical member inserted slidably into the inner wall of the casing 1, and a spring member housed in the cylindrical member. The cylindrical member and the port position 2 are respectively provided with a male hook 425 and a female hook 25, for acting as detachable mutual engagement means.
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