Self-administration device for liquid drugs

Details Self-administration device for liquid drugs Self-administration device for liquid drugs

1998-03-18

2000-02-22

Coggins, Wynn Wood

Surgery

Controlled release therapeutic device or system

Implanted dynamic device or system

604134, A61K 922, A61M 520

Patent

active

060274913

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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patent: 5697919 (1997-12-01), Kinoshita et al.

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