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公开(公告)号：US20240198014A1
公开(公告)日：2024-06-20
申请号：US18286982
申请日：2022-04-14
发明人： Michael SULLIVAN , Zachary WALLACE , Lawton LAURENCE , Lauren NUTT , Nicholas CICCARELLI , Shaun DEVITT
CPC分类号： A61M5/326 , A61M5/2033 , A61M5/3202 , A61M5/322
摘要： An assembly for an injection device is described. The assembly includes a container containing the medicament and having a cap. The container is sealed by a septum. A sealing element is in contact with an external surface of the cap and a needle is provided for piercing the septum. A needle hub is attached to the needle, where the sealing element is disposed between the external surface of the cap of the container and an internal surface of the needle hub. The assembly transitions from a first state, in which the needle is held away from the septum and a free end of the needle sits in a cavity sealed by the sealing element, to a second state, in which the needle passes through the septum. The seal is maintained throughout transition and when the assembly is in the second state.
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公开(公告)号：US20240198013A1
公开(公告)日：2024-06-20
申请号：US18286979
申请日：2022-04-14
发明人： Lawton LAURENCE , Lauren NUTT , Jeff THAWLEY
CPC分类号： A61M5/3245 , A61M5/2033 , A61M5/3275 , A61M5/3293 , A61M2207/10
摘要： An injection device includes a housing defining a longitudinal axis and receiving a medicament container containing a medicament. The housing has a distal end which defines an opening for receiving a portion of a needle operably coupled with the medicament container. A safety shield surrounds at least a distal portion of the housing. The safety shield advances distally relative to the housing from a retracted position to a deployed position for shielding the needle. An advancement spring is arranged between the housing and the safety shield. The advancement spring advances the safety shield from the retracted position to the deployed position, and interlocks with the housing and the safety shield when the safety shield is in the deployed position to prevent return of the safety shield to the retracted position.
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