Apparatus and method for relieving excess negativity in a draina

Details Apparatus and method for relieving excess negativity in a draina Apparatus and method for relieving excess negativity in a draina

1981-10-08

1984-11-06

Rosenbaum, C. Fred

Surgery

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

Treating material introduced into or removed from body...

604319, A61M 100

Patent

active

044810083

ABSTRACT:
An apparatus and method for relieving high or excess negativity in an underwater drainage device is disclosed. The apparatus includes a syringe needle with a valve operatively connected to the syringe needle. The valve provides a sealed passageway from the atmosphere through the syringe needle and a spring urges the valve to a closed position except when high or excess negativity occurs in the underwater drainage device. In the method, the syringe needle pierces a resealable portion of the drainage device and a valve is provided in fluid communication with the syringe needle. After excess negativity is relieved, the syringe is removed from the resealable portion of the drainage device.

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patent: 4289158 (1981-09-01), Nehring

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