Injector for liquid medicine

Details Injector for liquid medicine Injector for liquid medicine

2008-04-01

2008-04-01

Sirmons, Kevin C. (Department: 3767)

Surgery

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

Treating material introduced into or removed from body...

Reexamination Certificate

active

11142442

ABSTRACT:
An injector for liquid medicine comprises a cylindrical body1, first and second gasket2, 3contained in a lumen of cylindrical body1. The cylindrical body1is provided with a fluid inlet13and a fluid outlet14in opposite sides of the cylindrical body1with respect to the longitudinal axis thereof. Second gasket3is spaced from the first gasket2to form a fluid chamber4between them. The first gasket2is adapted to be moved by sliding along the inner wall of the cylindrical body1from a first position to the distal end11of cylindrical body1via a second position. The fluid inlet13is opened at a position closer to the distal end11of the cylindrical body1than the outlet14is. The first gasket2is stopped at a second position where the fluid chamber4is communicated with the fluid outlet14but prevented from fluid-communication with the fluid inlet13.

REFERENCES:
patent: 4059109 (1977-11-01), Tischlinger
patent: 5749854 (1998-05-01), Shen
patent: WO-99/21600 (1999-05-01), None

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