Device and method for drawing a blood sample

Details Device and method for drawing a blood sample Device and method for drawing a blood sample

1983-08-22

1988-03-15

Coven, Edward M.

Surgery

Truss

Pad

604220, A61B 514

Patent

active

047306246

ABSTRACT:
A vacuum blood collection system is provided. The blood collection system contains an evacuated sample collection container which is open at both ends. One end of the container is closed by a self-sealing puncturable stopper adapted to be penetrated by one end of a double ended needle. The other end of the collection container is closed by a slidable sealing stopper affixed to a plunger to provide a piston assembly. The blood collection system also includes restraining means to prevent premature movement of the slidable sealing stopper and may contain a temporary seal to prevent movement of the piston assembly prior to the need for removing the blood specimen from the collection container.

REFERENCES:
patent: 2216354 (1940-10-01), Pletcher
patent: 3536061 (1970-10-01), Ogle
patent: 3577980 (1971-05-01), Cohen
patent: 3885549 (1975-05-01), Green
patent: 3901402 (1975-08-01), Ayres
patent: 3930492 (1976-01-01), Hatsuno et al.
patent: 3943917 (1976-03-01), Johansen
patent: 4192320 (1980-03-01), Megahed
patent: 4196167 (1980-04-01), Olsen
Page 1151, The American V. Mueller 1980 catalog.

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