Blood collecting and separating assembly stopper

Details Blood collecting and separating assembly stopper Blood collecting and separating assembly stopper

1974-12-16

1976-05-25

Yasko, John D.

Surgery

Respiratory method or device

Ozone or ion generation

215247, 215320, A61J 100

Patent

active

039585727

ABSTRACT:
A stopper for use with an evacuated blood collecting and separating tube comprising a flange portion, a plug portion depending from the flange portion including a generally frustoconical lateral face and a flat annular bottom face, and a nose portion depending from an inner circumference of the plug bottom face. The nose portion includes a beveled or tapered section having an axial cavity extending through the nose portion into the plug portion. The axial cavity preferably includes a frustoconically shaped lateral face.

REFERENCES:
patent: 2607347 (1952-08-01), Kleiner
patent: 2812231 (1957-11-01), Zar
patent: 2848130 (1958-08-01), Jesnig
patent: 3136440 (1964-06-01), Krug et al.
patent: 3141460 (1964-07-01), Tsochatzopoulos
patent: 3330281 (1967-07-01), Visser
patent: 3343699 (1967-09-01), Nicko
patent: 3869059 (1975-03-01), Ellis

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