Patent ID: 9186455
Filing Date: 2015-11-17
Classification: A61M

Abstract:
1. An access port device comprising: a catheter hub comprising a hub body, a catheter tube having a tube opening extending from the hub body, a flow chamber defined by the hub body comprising a flow opening terminating at an exterior surface of the hub body, and a needle port having an opening terminating at the exterior surface of the hub body, which is spaced apart from the flow opening; a needle hub having internal threads formed in the needle hub, the needle hub comprising a needle having a needle tip extending through the opening of the needle port and the catheter tube but not the flow opening of the flow chamber; and a housing disposed between the needle hub and the catheter hub; the housing being removably engaged to the catheter hub and the needle hub; the housing having external threads threadedly engaged to the internal threads of the needle hub: and wherein the tube opening is at an angle to the flow opening of the flow chamber and the needle is mounted off-center relative to the needle hub; wherein when the needle hub is rotated relative to the housing and the catheter hub, the housing remains fixed to the catheter hub and the needle hub moves a control distance relative to the catheter hub to create a flow path for blood flashback.