Device for the dosed release of an injectable product

Details Device for the dosed release of an injectable product Device for the dosed release of an injectable product

1998-08-11

2000-04-25

Yasko, John D.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604135, 128DIG1, A61M 520

Patent

active

060538937

ABSTRACT:
Device for the dosed release of an injectable product, comprising a housing, a retainer for a container, containing the product, in which a piston is displaceably accommodated, whose displacement in a feed direction causes the release of a product dose, a driven member including a driven rod which protruding into the container when the container is accommodated in the housing pushes the piston in the feed direction to release the product, at least one drive member engaging with the driven member, the driven member being displaced in the feed direction by the activation of the drive member, wherein the driven member contains a driven bush surrounding the driven rod, which driven bush engages into the drive member and is displaced together with the driven rod, and a rear wall--in relation to the feed direction--of the container protrudes at least during a release into an annulus formed between the driven rod and the driven bush.

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