Underwater drainage apparatus with separable suction control cha

Details Underwater drainage apparatus with separable suction control cha Underwater drainage apparatus with separable suction control cha

1979-06-27

1981-10-27

Pellegrino, Stephen C.

Surgery

Respiratory method or device

Ozone or ion generation

128762, A61M 100

Patent

active

042967481

ABSTRACT:
An underwater drainage apparatus is provided which is convertible from a two bottle system including a collection chamber and underwater seal chamber to a three bottle system including a suction control chamber. A rubber diaphragm is provided in the container for the collection chamber and underwater seal and a needle having a large bore is provided in the suction control chamber. Trackways on the suction control chamber and collection chamber interfit so that the suction control chamber can be slid into position wherein the needle penetrates the diaphragm to place the suction control chamber in fluid communication with the underwater seal chamber and collection chamber.

REFERENCES:
patent: 3782497 (1974-01-01), Bidwell et al.
patent: 3847152 (1974-11-01), Schachet
patent: 4015603 (1977-04-01), Kurtz et al.
patent: 4105031 (1978-08-01), Kurtz et al.
patent: 4112948 (1978-09-01), Kurtz et al.

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