Patent ID: 6027482
Filing Date: 2000-02-22
Classification: A61M

Abstract:
A tip cap assembly for use with a hypodermic syringe barrel having a fluid-receiving chamber and a distally projecting tip with a fluid passageway extending therethrough, said tip cap assembly comprising:a collar securely engageable around the tip;an inner cap having opposed proximal and distal ends, with said proximal end sealingly engageable with the tip, said inner cap being formed of an elastomeric material, at least a portion of said inner cap intermediate said proximal and distal ends includes an annular undercut;a rigid outer cap having an open distal end to accept said inner cap with said rigid outer cap securely disposed around said inner cap and releasably engaged with said collar, said rigid outer cap including at least one inwardly extending annular rib disposed and dimensioned to engage in said annular undercut in said inner cap surface; andsaid assembly being configured so that said inner cap sealingly engages the tip when said collar is securely engaged around the tip to seal a fluid contained in the fluid-receiving chamber of the syringe barrel, and said inner cap is disengageable from the tip in response to disengagement of said rigid outer cap from said collar.