Cryogenic self-seeding vial

Details Cryogenic self-seeding vial Cryogenic self-seeding vial

1989-12-22

1991-10-22

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

220408, 220410, B01L 314

Patent

active

050593994

ABSTRACT:
A vial for holding a biological specimen during a cryogenic freezing procedure. The vial includes a wall of a material having a predetermined coefficient of thermal conductivity K.sub.1 defining a specimen-receiving internal cavity, and a pin extending in to close proximity with the internal cavity from outside the container. The pin has a coefficient of thermal conductivity K.sub.2 substantially greater than K.sub.1, and defines a path of increased thermal conductivity from the interior to the exterior of the container to cool a specimen carried therewithin. The container includes an upper open end including a sealing cap, and the pin desirably extends sealingly through the container wall at the bottom end portion of the container.

REFERENCES:
patent: 3272579 (1966-09-01), Leonard
patent: 4338814 (1983-06-01), Schilling
patent: 4390111 (1983-06-01), Robbins et al.
patent: 4915255 (1990-04-01), Curtis

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