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Devices and methods for engaging indexed valve and pressurized canister assembly with collar and for linear actuation by plunger assembly into fluid communication with device for regulating drug delivery
专利权人:
Frederick J. Montgomery
发明人:
Frederick J. Montgomery,Duncan P. Bathe,Daniel J. Lee,Scott I. Biba,Todd J. Bakken
申请号:
US13260505
公开号:
US08757148B2
申请日:
2009.05.27
申请国别(地区):
US
年份:
2014
代理人:
摘要:
An indexed drug delivery device (70) comprising a valve assembly (13) comprising a housing (26) and a valve, the valve disposed within the housing, one or more keys (34,38) integral to the housing, the keys complementary to corresponding openings on a collar (12), a pressurized canister (28) in fluid communication with the valve assembly, the canister containing an active pharmaceutical ingredient and an inactive carrier gas, a receiving assembly comprising a receptacle adapted to engage at least a portion of the housing, a seat adapted to engage the valve, and, a plunger assembly adapted to linearly actuate the valve assembly and canister along an axis and to engage the valve and seat, the plunger assembly comprising a carriage fixed to the collar, and, a lever having a cam adapted to engage a spring, the spring adapted to linearly actuate the carriage, valve assembly, canister and collar along the axis.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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