Patent ID: 6196998
Filing Date: 2001-03-06
Classification: A61M

Abstract:
A syringe with a syringe barrel having a substance receiving chamber and a distally projecting tip with a fluid passage extending therethrough and a tip cap assembly attached to the projecting tip, said tip cap assembly comprising:a collar concentrically surrounding the tip, the collar including an array of internal threads for threadingly engaging a needle hub;a resilient inner cap having opposed proximal and distal ends, said proximal end defining a tip engaging portion for sealingly engaging the tip to seal a substance contained in the chamber of said syringe barrel;a rigid outer cap securely engaged around at least a portion of said inner cap, said outer cap having a sleeve engageable with the collar such that said outer cap securely and releasably retains said collar therein and said inner cap in sealing engaged with the tip; andtamper indicator means provided on said sleeve of said outer cap for indicating separation of said outer cap from said collar and said tamper indictor means including a plurality of frangible portions separating said outer cap into a proximal portion and a distal portion, with the proximal portion surrounding said collar.