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公开(公告)号：US11957832B2
公开(公告)日：2024-04-16
申请号：US17062185
申请日：2020-10-02
发明人： Declan Walsh , Paul Prendergast , Daniel Buck , Trevor Kent , Niall Thompson
CPC分类号： A61M15/0095 , A61K31/46 , A61K31/575 , A61M15/009 , A61M16/208 , A61M39/24 , A61M15/0026 , A61M15/0068 , A61M2016/0015 , A61M2039/242 , A61M2039/244 , A61M2202/064 , A61M2207/10 , B29C45/37 , B29K2995/0072 , B29K2995/0073
摘要： A breath actuated metered dose inhaler may comprise a canister fire system configured to fire a medicament containing canister in response to patient inhalation. The canister fire system may comprise a pneumatic force holding unit and having a rest configuration in which a metering valve of the canister is in a refill configuration; a prepared configuration in which a canister actuation force is retained by the pneumatic force holding unit and the canister fire system is actuatable by patient inhalation induced airflow; and a fire configuration in which the metering valve is in a dose delivery position. When in the prepared configuration, the force retained by the pneumatic force holding unit may be reduced by less than about 6% over a period of 5 minutes, preferably less than about 3% over a period of 5 minutes.
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公开(公告)号：US10792447B2
公开(公告)日：2020-10-06
申请号：US16258330
申请日：2019-01-25
发明人： Declan Walsh , Paul Prendergast , Daniel Buck , Trevor Kent , Niall Thompson
摘要： A breath actuated metered dose inhaler may include a canister fire system configured to fire a medicament containing canister in response to patient inhalation. The canister fire system may include a pneumatic force holding unit and having a rest configuration in which a metering valve of the canister is in a refill configuration; a prepared configuration in which a canister actuation force is retained by the pneumatic force holding unit and the canister fire system is actuatable by patient inhalation induced airflow; and a fire configuration in which the metering valve is in a dose delivery position. When in the prepared configuration, the force retained by the so pneumatic force holding unit may be reduced by less than about 6% over a period of 5 minutes, preferably less than about 3% over a period of 5 minutes.
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公开(公告)号：US20210016027A1
公开(公告)日：2021-01-21
申请号：US17062185
申请日：2020-10-02
发明人： Declan Walsh , Paul Prendergast , Daniel Buck , Trevor Kent , Niall Thompson
IPC分类号： A61M15/00 , A61K31/46 , A61K31/575 , A61M16/20 , A61M39/24
摘要： A breath actuated metered dose inhaler may comprise a canister fire system configured to fire a medicament containing canister in response to patient inhalation. The canister fire system may comprise a pneumatic force holding unit and having a rest configuration in which a metering valve of the canister is in a refill configuration; a prepared configuration in which a canister actuation force is retained by the pneumatic force holding unit and the canister fire system is actuatable by patient inhalation induced airflow; and a fire configuration in which the metering valve is in a dose delivery position. When in the prepared configuration, the force retained by the pneumatic force holding unit may be reduced by less than about 6% over a period of 5 minutes, preferably less than about 3% over a period of 5 minutes.
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公开(公告)号：US20190262602A1
公开(公告)日：2019-08-29
申请号：US16258330
申请日：2019-01-25
发明人： Declan Walsh , Paul Prendergast , Daniel Buck , Trevor Kent , Niall Thompson
IPC分类号： A61M39/24 , A61M15/00 , A61M16/20 , A61K31/46 , A61K31/575
摘要： A breath actuated metered dose inhaler may comprise a canister fire system configured to fire a medicament containing canister in response to patient inhalation. The canister fire system may comprise a pneumatic force holding unit and having a rest configuration in which a metering valve of the canister is in a refill configuration; a prepared configuration in which a canister actuation force is retained by the pneumatic force holding unit and the canister fire system is actuatable by patient inhalation induced airflow; and a fire configuration in which the metering valve is in a dose delivery position. When in the prepared configuration, the force retained by the pneumatic force holding unit may be reduced by less than about 6% over a period of 5 minutes, preferably less than about 3% over a period of 5 minutes.
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