Chemistry: molecular biology and microbiology – Apparatus – Differentiated tissue perfusion or preservation apparatus
Patent
1991-07-08
1992-08-18
Warden, Robert J.
Chemistry: molecular biology and microbiology
Apparatus
Differentiated tissue perfusion or preservation apparatus
435285, 435296, 422102, C12M 300, C12M 124
Patent
active
051399520
ABSTRACT:
A tissue culture flask includes a container main body comprising a box having a bottom surface for supporting a substance to be cultured, a side surface, and an upper surface. A cylindrical neck is provided on the side surface of the container main body to communicate with the interior of the container main body, and extends obliquely upward with respect to the bottom surface and defining a first opening at an end located away from the container main body and a second opening opposite the first opening. In the flask, (1) a first angle defined by (a) a first straight line connecting a given point on the bottom surface including an edge thereof and a given point on an edge of the first opening and (b) a second straight line on the inner circumferential wall and connecting a given point on an edge of the first opening and a given point on an edge of the second opening is not greater than (2) a second angle defined by (c) said second straight line and (d) the longest third straight line connecting a given point on an edge of the first opening and a given point on an edge of the second opening.
REFERENCES:
patent: 2947116 (1960-08-01), Earle et al.
patent: 3449210 (1969-06-01), Rohde
patent: 3870602 (1975-03-01), Froman et al.
patent: 4334028 (1982-06-01), Carver
patent: 4770854 (1988-09-01), Lyman
Akiyama Jiro
Honda Shinzo
Yamamoto Takeshi
Beisner William H.
Terumo Corporation
Warden Robert J.
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