DEVICES AND METHODS FOR DELIVERY OF SUBSTANCES WITHIN A PREFILLED SYRINGE

An apparatus includes a housing, a gas container, a medicament container assembly, and a movable seal member, with the housing defining a gas chamber and an equalization bypass. The gas container is disposed within the housing and configured to produce pressurized gas within the gas chamber when the...

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Bibliographische Detailangaben
Hauptverfasser:	MEYERS, Paul F, ROE, Michael J
Format:	Patent
Sprache:	eng
Schlagworte:	DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE
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Beschreibung
Zusammenfassung:	An apparatus includes a housing, a gas container, a medicament container assembly, and a movable seal member, with the housing defining a gas chamber and an equalization bypass. The gas container is disposed within the housing and configured to produce pressurized gas within the gas chamber when the apparatus is actuated. The movable seal member is configured to move from a first seal position to a second seal position. When the movable seal member is at the first seal position, the gas chamber is in fluid communication with the exterior volume surrounding the apparatus via the equalization bypass. When the movable seal member is at the second seal position, the gas chamber is fluidically isolated from the exterior volume by the movable seal member.