Needleless vial access device

Details Needleless vial access device Needleless vial access device

1991-07-30

1995-05-02

Pellegrino, Stephen C.

Surgery

Container for blood or body treating material, or means used...

Having hollow needle or spike for piercing container or...

604 88, A61M 3700

Patent

active

054114993

ABSTRACT:
A cannula assembly adapted to pierce a solid or unslit closure is disclosed and includes a blunt cannula and a piercing member held in cooperation with or contained within the flow channel of the cannula. Generally, the piercing member includes a tip capable of piercing an unslit stopper or closure and a means to temporarily retain the piercing member from the cannula and prevent inadvertent disengagement of the piercing member from the blunt cannula.

REFERENCES:
patent: 2102704 (1937-12-01), Hein
patent: 3826260 (1974-07-01), Killinger
patent: 3995630 (1976-12-01), van der Veerdonk
patent: 4153057 (1979-05-01), Kobel
patent: 4244364 (1981-01-01), Grushkin
patent: 4328802 (1982-05-01), Curley et al.
patent: 4410321 (1983-10-01), Pearson et al.
patent: 4589879 (1986-05-01), Pearson
patent: 4624667 (1986-11-01), Rutnarak
patent: 4638809 (1987-01-01), Kuperus
patent: 4994029 (1991-02-01), Rohrbough
patent: 5053014 (1991-10-01), Van Heugtien

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