PISTON VALVING FOR SERIALLY CONNECTABLE DRUG MODULES OF A COMBINATORIAL DRUG DELIVERY DEVICE
A valving arrangement is provided herein for regulating fluidics of modules useable in a combinatorial drug delivery device. The valving includes a slidable piston valve, adjustable to selectively seal an outlet path from a drug vial and a sealing port, in parallel to a vent, for selectively sealing...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A valving arrangement is provided herein for regulating fluidics of modules useable in a combinatorial drug delivery device. The valving includes a slidable piston valve, adjustable to selectively seal an outlet path from a drug vial and a sealing port, in parallel to a vent, for selectively sealing an inlet path to the drug vial. Advantageously, the subject invention allows for applied negative pressure to adjust the valving to allow flow between serially-connected modules forming a drug delivery device. |
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