Patent ID: 7393343
Filing Date: 2008-07-01
Classification: A61M

Abstract:
1. A retractable syringe comprising a barrel including a bore, a first end and a second end; a luer hub at the first end of the barrel releasable to move longitudinally of the barrel; a plunger slidably positioned within the barrel and rotatable within the barrel with substantially full extension toward the first end of the barrel to release the luer hub; a cap at one end of the plunger extending from the barrel and including an annular body, a cam driver fixed to the cap and an inclined slot in the annular body, the plunger including a cam surface at the one end of the plunger inclined to the centerline of the bore with the plunger in the barrel and engageable with the cam driver and a pin extending substantially radially of the plunger adjacent the one end of the plunger and engageable with the inclined slot.