Fluent material handling – with receiver or receiver coacting mea – Filling or refilling of dispensers
Patent
1984-03-05
1986-07-15
Marcus, Stephen
Fluent material handling, with receiver or receiver coacting mea
Filling or refilling of dispensers
141329, 604411, 604415, A61M 500
Patent
active
046000402
ABSTRACT:
An arrangement in apparatus for preparing solutions from dry harmful materials, such as cytostaticum, radioactive, toxic and allergy-producing substances, includes a glass ampoule (1) for accommodating the dry substance. The ampoule communicates with a device (4) for enlarging the internal volume of the ampoule, so as to equalize the pressure generated therein when preparing the solution.
Solvent is introduced into the ampoule (1) and solution removed therefrom through a cannula (8) which is constantly sheathed against contamination by means of an elastic sheath (10). The sheath is provided with self-sealing means (11) arranged to sealingly abut the ampoule (1) when withdrawing solution therefrom, in a manner to tightly seal the ampoule against the surroundings.
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patent: 3416528 (1968-12-01), Kahn
patent: 3661189 (1972-05-01), Bowser et al.
patent: 3882909 (1975-05-01), Ogle
patent: 4381776 (1983-05-01), Latham, Jr.
patent: 4509861 (1985-04-01), Sjonell
Marcus Stephen
Thronson Mark
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