TENNICAN, PATRICK O.,MICHAELSEN, RUSSELL A.,PHIPPS, L. MYLES
申请号:
CA2583601
公开号:
CA2583601C
申请日:
2005.10.07
申请国别(地区):
CA
年份:
2015
代理人:
摘要:
The invention includes a device having a chamber within a syringe. A fluidpassageway extends through a syringe piston. A valve is associated with thepassageway controlling fluid passage through the piston. The inventionincludes a piercing structure having a head segment and a body portion, with achannel through the body portion and through at least one surface of the headwithout passing through the tip. In another aspect the invention encompasses amethod of preparing an agent for administration to an individual. A firstcomponent is provided within a syringe and a second component is providedwithin a vial. A closed valve is associated with a fluid passageway betweenthe vial and the syringe barrel through a piston. Valve repositioning allowsfluid passage and sliding of the piston joins the first and second components.Repeated sliding of the piston mixes the components to produce the medicationagent.