Aspirators for medical purposes

Surgery – Respiratory method or device – Ozone or ion generation

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21 56, 53 21FC, 53 22R, 53 86, 137205, 137241, 215309, 220204, A61L 100, A61M 100, B65B 3104, B65D 5116

Patent

active

040591131

ABSTRACT:
Vacuum aspirator for medical use of the kind which is required to be sterilized by steam and then evacuated so as to be ready for use. Object of the invention is to provide an aspirator which is suitable for repeated use and re-sterilization. The aspirator is provided with an outwardly-opening, non-return valve which may be in a closure plug of a flask of the aspirator or mounted at or inserted in the end of a suction connection remote from the flask of the aspirator.

REFERENCES:
patent: 3486840 (1969-12-01), Burton et al.
patent: 3773211 (1973-11-01), Bridgman
patent: 3805788 (1974-04-01), Kleiner
patent: 3833000 (1974-09-01), Bridgman
patent: 3855997 (1974-12-01), Sauer

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