Patent ID: 9414990
Filing Date: 2016-08-16
CPC Classification: A61J,A61M

Claim Text:
1. A system comprising: a needle hub having a proximal end and a distal end, the proximal end of the needle hub having a connection portion configured to receive a first container; a cannula received by the needle hub, the cannula having a proximal end and a distal end; a cannula seal comprising a resilient sleeve enclosing at least a portion of the cannula, the cannula seal having an open proximal end and a distal end, the distal end of the cannula seal including a rounded head portion; and a vial adapter configured to be attached to a second container, the vial adapter having a vial seal and a body, the vial seal is configured to engage the cannula seal, the body of the vial adapter is configured to engage a septum of the second container, wherein the cannula seal has a first position where the cannula seal encloses the distal end of the cannula and a second position where the cannula seal is retracted to expose the distal end of the cannula, and further wherein the vial seal of the vial adapter defines a rounded concave recess that is configured to receive the rounded head portion of the distal end of the cannula seal.