Patent ID: 8858498

Claim:
A needle assembly comprising: a hub; a needle fixed to said hub, said needle having a proximal end and a distal end, said distal end formed for insertion into a patient; and, a body in engagement with said hub so as to be movable relative thereto, said body having a distal end with an aperture formed therein configured to permit passage therethrough of said needle; wherein, said body being releasably retainable in a first position on said hub, with said body engaging said hub, where said distal end of said needle extends distally a first distance from said distal end of said body, wherein, said body being retainable in a second position on said hub, with said body engaging said hub, where said distal end of said needle extends distally a second distance from said distal end of said body, said second distance being less than said first distance, and, wherein, said hub is displaceable proximally relative to said body to urge said body from said first position to said second position.