Vacuum bottle with pressure indicator

Details Vacuum bottle with pressure indicator Vacuum bottle with pressure indicator

1982-06-21

1987-11-17

Marcus, Stephen

Bottles and jars

Content indicating

116270, 2065248, 215260, 215270, 215DIG3, 604318, 604319, A61M 100, B65D 4700, B65D 5100

Patent

active

047068302

ABSTRACT:
A vacuum drainage bottle includes a chamber for receiving fluids from a patient and a pressure indicator (9,21) for measuring the pressure in the chamber. Prior to use, the pressure indicator is isolated from the chamber by means of a breakable seal. The seal may be in the form of a recessed membrane (43), which may be ruptured by depressing the pressure indicator, causing a ball (45) to bear against the membrane (43).

REFERENCES:
patent: 3205889 (1965-09-01), Alder et al.
patent: 3271810 (1966-09-01), Raffe
patent: 3415405 (1968-12-01), Rausing et al.
patent: 3635724 (1972-01-01), Schaar
patent: 3939835 (1976-02-01), Bridgman
patent: 4015603 (1977-04-01), Kurtz et al.
patent: 4031847 (1977-06-01), Sullivan
patent: 4036556 (1977-12-01), Thomas et al.
patent: 4106652 (1978-08-01), Leclabart
patent: 4217988 (1980-08-01), Mills et al.
patent: 4220251 (1980-09-01), Hauri
patent: 4240481 (1980-12-01), Bayham
patent: 4294247 (1981-10-01), Carter et al.
patent: 4376439 (1983-03-01), Lauterjung

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