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Process for making the vacuum in bottles or flasks a vacuum intended to use medical, and the bottle is empty adapted for the implementation of this
Process for making the vacuum in bottles or flasks a vacuum intended to use medical, and the bottle is empty adapted for the implementation of this
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机译:使瓶子或烧瓶中的真空度达到用于医疗用途的真空度的过程,并且该瓶子是空的,适于实施此操作
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摘要
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.
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