Blood collection and/or injection device and double-ended medica

Details Blood collection and/or injection device and double-ended medica Blood collection and/or injection device and double-ended medica

1991-06-13

1993-06-08

Hindenburg, Max

Surgery

Truss

Pad

604192, 604240, 206364, A61B 500

Patent

active

052170250

ABSTRACT:
A blood collection and/or injection device includes a double-ended medical needle including a cannula having opposite pointed ends, a hub fitted over the cannula, and a rubber sheath optionally fitted over an end portion of the cannula, a cylindrical holder having an opening defined in one end thereof, the end portion of the cannula which is optionally covered with the rubber sheath being adapted to be inserted into the opening with the hub held in the opening by the holder, and an evacuated blood collection tube or syringe adapted to be inserted into the holder through an opening defined in the opposite end of the holder and pierced by the end portion of the cannula. The holder has hub support walls disposed around the opening in said one end of the holder for supporting an end portion of the hub. When the end portion of the cannula is inserted into the opening in said one end of the holder, the hub is held in position by the hub support walls.

REFERENCES:
patent: Re29656 (1978-06-01), Chittenden
patent: 2436638 (1948-02-01), Dolmatch
patent: 2874694 (1959-02-01), Blackman
patent: 4568336 (1986-02-01), Cooper
patent: 4740205 (1988-04-01), Seltzer
patent: 4799926 (1989-01-01), Haber
patent: 4840619 (1989-06-01), Hughes
patent: 4856533 (1989-08-01), Anraku et al.
patent: 4898589 (1990-02-01), Dolgin et al.
patent: 4942881 (1990-07-01), Al-Sipufi et al.

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