Suction pump

Details Suction pump Suction pump

1984-11-28

1987-06-09

Yasko, John D.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604 73, 417472, A61M 3700

Patent

active

046717919

ABSTRACT:
The present invention relates to a suction pump, preferably for suction drainage or body cavities with regard to accumulated liquid after a surgical incision made, and comprising an expandable, flexible container, whereby two substantially symmetric lid parts are attached to each other, comprising at least one rigid ring (1,13) and a flexible casing (8), an expandable spring (12) arranged between said casings (8) of the lid parts, an inlet opening (2,6) provided with a membrane valve (7) and an outlet opening (3) to which an one-way valve is arranged to be connected to provide for an one-way current out off the pump of air and/or liquid.

REFERENCES:
patent: 603564 (1898-05-01), Hoover
patent: 1029496 (1912-06-01), Garlock
patent: 3376868 (1968-04-01), Mondiadis
patent: 3542026 (1970-11-01), Bledsoe
patent: 3774611 (1973-11-01), Tussey et al.
patent: 3779243 (1973-12-01), Tussey et al.
patent: 4058173 (1977-11-01), May
patent: 4429693 (1984-02-01), Blake et al.

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