Syringe

摘要

PCT No. PCT/EP93/01237 Sec. 371 Date Feb. 15, 1995 Sec. 102(e) Date Feb. 15, 1995 PCT Filed May 18, 1993 PCT Pub. No. WO93/23097 PCT Pub. Date Nov. 25, 1993A syringe which is suitable for both injection and aspiration includes a plunger movable within a barrel and a gasket disposed at the distal end of the plunger at a narrowed portion of the plunger between two plunger portions of greater diameter. When the plunger is moved, the gasket forms a seal between the inner wall of the barrel and one of the portions of the plunger of greater diameter.