Patent ID: 6830564
Filing Date: 2004-12-14
Classification: A61M

Abstract:
A syringe comprising:a) a hollow syringe barrel having a syringe barrel handle member permanently attached to the rear terminus of the hollow syringe barrel; b) a plunger member; c) said plunger member comprising a plunger shaft having an attached piston, wherein said attached piston contacts and is capable of slidably engaging and maintaining a tight seal with the inner wall surfaces of the hollow syringe barrel cavity along the entire length of the syringe barrel cavity during withdrawal and advancement of the plunger shaft, and attached piston; and d) a corrugated sheath enclosing and encircling a portion of said plunger shaft, said corrugated sheath attached to a forward face surface of a plunger shaft handle member and a rearward face surface of said syringe barrel handle member.