Patent ID: 6942643

Claim:
A prefilled tamper evident syringe barrel comprising: a) a syringe barrel of glass or polymeric material having an inner surface defining a chamber having a medical fluid therein, said syringe barrel comprising: 1) a distal end comprising: a tapered shoulder, a neck portion and an open tip portion; b) an elastomeric plug closing said open tip portion; c) a tip cap of cylindrical configuration having a widened top portion to facilitate the removal thereof, and a bottom portion enclosing said elastomeric plug, and a part of said neck portion of said syringe barrel; wherein said tip cap is sealed to the neck portion by an adhesive or thermoplastic means; d) an overwrap of cylindrical configuration having a closed distal end and an open proximal end, said overwrap being provided with a ridge adjacent to the proximal end thereof projecting towards the shoulder of said syringe barrel and resting thereon; wherein said overwrap encloses a portion of said syringe barrel, said shoulder portion and said tip cap; and e) a tamper evident seal of cylindrical configuration having an open distal end and an open proximal end provided with a frangible score line, which seals said proximal end of said overwrap to the said syringe barrel; wherein said frangible score line facilitates the removal of said overwrap from said syringe barrel.