Patent ID: 7300421

Claim:
A safety sheath assembly comprising: a barrel adapter for attaching a syringe without impeding full movement of a plunger reciprocating within the syringe; a protective sheath including an attachment member, an a pair of interior fingers and a cylindrical bore for receiving the barrel therein; an elastic band attached to the pair of interior fingers of the protective sheath, the elastic band is a single continuous member having an engagement portion attached to a pair of extended loops; and the engagement portion fits over a needle of a syringe mounted therein and each loop attaches to the pair of interior fingers; and a release member engaged with the attachment member when the protective sheath is in a retracted position providing the elastic band under tension so that upon disengagement of the release member from the attachment member the elastic band will pull the protective sheath from the retracted position surrounding the barrel to an extended position.