Device and method for avoiding contamination of multi-dose medic

Details Device and method for avoiding contamination of multi-dose medic Device and method for avoiding contamination of multi-dose medic

1991-02-04

1992-04-07

Rosenbaum, C. Fred

Surgery

Container for blood or body treating material, or means used...

Filter for purifying or washing air entering container

604126, 604199, A61B 1900

Patent

active

051024063

ABSTRACT:
The disclosure of this application is directed to a clean air tube which provides a constantly renewable source of purified air for loading into a medicament syringe prior to use of the syringe for withdrawing liquid medicament from a multi-dose vial. The tube is fitted with a clean-filtering membrane, through which ambient air is filtered upon being drawn into the tube. The disclosure also describes the sequence of steps involved in loading the syringe with clean-filtered air.

REFERENCES:
patent: 1967439 (1934-07-01), Heineman
patent: 2879766 (1959-03-01), Wilburn
patent: 3157481 (1964-11-01), Bujan
patent: 4154342 (1979-05-01), Wallace
patent: 4769026 (1988-09-01), Strung
patent: 4872872 (1989-10-01), Polak

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