SYRINGE Russian patent published in 1994 - IPC

FIELD: medical engineering. SUBSTANCE: syringe piston has a blind cylindrical hole and at least two diametrically positioned slots on the outer end. Each slot is parted by flexible bent tab 9 into two cavities 7 and 8. Flexible bent plates 12 entering the slots and which free ends are engageable with the inner surface of tabs 9 are fixed to the outer end of the piston. A shortened cone rod which has at least two projections bent in the cross section is inserted into the piston hole, the projections enter the piston slot cavities. EFFECT: improved structure. 2 cl, 6 dwg