Syringe for injections, especially intravenous made to be used o

Details Syringe for injections, especially intravenous made to be used o Syringe for injections, especially intravenous made to be used o

1988-03-18

1989-09-05

Yasko, John D.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604218, 604228, A61M 500

Patent

active

048634271

ABSTRACT:
In a syringe for injections, especially intravenous --being realized so as to be used only once and comprising a body making up the cylinder to which the needle is fitted, a piston sliding in said cylinder and a piston handling member (stem) for recalling the piston during the liquid aspiration phase and for pushing the piston during the injection phase--said piston and said handling member (stem) are engaged with one another in a non-rigid way, in order to neutralize a further aspiration operation after a first phase of piston push has been carried out.

REFERENCES:
patent: 3941129 (1976-03-01), Pleznac
patent: 4252118 (1981-02-01), Richard et al.
patent: 4687467 (1987-08-01), Cygielski
patent: 4699614 (1987-10-01), Glazier
patent: 4775363 (1988-10-01), Sandsdalen

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