Surgery – Container for blood or body treating material – or means used... – Having hollow needle or spike for piercing container or...
Patent
1990-08-17
1991-09-03
Yasko, John D.
Surgery
Container for blood or body treating material, or means used...
Having hollow needle or spike for piercing container or...
604905, 141329, 141383, A61B 1900
Patent
active
050450816
ABSTRACT:
A vial filling device having a needle cannula fixed to a slidable piston. The slidable piston is held within an elongated hollow barrel by an open spring and latch means. When the elongated hollow barrel is attached to the vial assembly, a lap flange is forced open and the slidable piston is pressed with a thumb, forcing the spring to compress and forcing the needle cannula to penetrate the soft plug in the vial. The blood or other fluid flows through the needle cannula until sufficient blood or other fluid is in the vial. When the vial is suitably filled, the thumb is removed from the slidable piston and the spring pushes the slidable piston in a direction away from the vial thus removing the needle cannula from the vial plug and holding the needle cannula safely inside of the elongated hollow barrel. The elongated hollow barrel is further removed from the plug, the lap flange closes thus enclosing the contaminated needle cannula.
REFERENCES:
patent: 4576211 (1986-03-01), Valentini et al.
patent: 4798605 (1989-01-01), Steiner et al.
patent: 4935020 (1990-06-01), Broden
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