Inventors:
David A. Lowin - Woodside CA
Richard A. Fayram - Palo Alto CA
Andrew J. Bivetto - Los Gatos CA
Assignee:
Syntex (U.S.A.) Inc. - Palo Alto CA
International Classification:
A61M 3100
Abstract:
A compact, prefilled, ready-to-use, applicator for dispensing a medicament within a body cavity has a reservoir, an automatically-opening closure member and a telescoping plunger assembly. A closure member is disclosed, adapted to open responsive to the pressure of a medicament being dispensed, without disengaging from the reservoir in which the medicament is contained. A telescoping plunger assembly is disclosed, having impeller means disposed within the reservoir opposite the cap member and engaging means to lock the assembly in an extended position for urging the impeller means through the reservoir.