Patent ID: 8801673

Claim:
A safety pen needle assembly comprising: a hub having a tubular body with a proximal end, a distal end, a channel defined interiorly of said body and extending between said proximal and distal ends, and a wall disposed within said body to extend transversely at least partially across said channel; a needle extending through said channel having a distal end, formed for insertion into a patient, and a proximal end, wherein said needle is fixed to said hub with said distal end being located distally of said wall and said proximal end being located proximally of said wall; a shield disposed proximally of said wall and at least partially within said hub; a biasing means disposed to urge said shield proximally from a first position to a second position; and, at least one adjustable tab on said body of said hub, said tab being adjustable from a first state to a second state, wherein, in said first state, said tab extends into said channel so as to interferingly engage with said shield to restrict proximal movement thereof, said tab in said first state retaining said shield in said first position with said proximal end of said needle being exposed, and wherein, in said second state, said tab does not interferingly engage with said shield so as to permit said shield to be urged proximally to said second position by said biasing means, said shield covering said proximal end of said needle in said second position.