Patent ID: 9283318
Filing Date: 2016-03-15
CPC Classification: A61M

Claim Text:
1. A sealing assembly for a fluid infusion device that cooperates with a fluid reservoir having a reservoir port and a hollow fluid reservoir needle at least partially located within the reservoir port, the sealing assembly comprising: a reservoir port receptacle to receive the reservoir port, and comprising a proximal end, a distal end extending from the proximal end, and a needle entry formed in the distal end to receive the hollow fluid reservoir needle; a fluid chamber located at least partially in the reservoir port receptacle; and a sealing component positioned in the reservoir port receptacle to cooperate with the fluid chamber, the sealing component comprising: when the reservoir port is engaged with reservoir port receptacle, the end section of the needle guide pin resides within the hollow fluid reservoir needle, a portion of the hollow fluid reservoir needle resides within the needle opening, and the needle sealing element forms a first seal around an exterior surface of the hollow fluid reservoir needle; and when the reservoir port is disengaged from the reservoir port receptacle, the hollow fluid reservoir needle is decoupled from the sealing component, a portion of the end section of the needle guide pin resides within the needle opening, and the needle sealing element forms a second seal around an exterior surface of the needle guide pin.