| abstract |
Retractable needle/syringe devices (10) for blood collection, catheterization, and medicinal injection procedures adapted to fixedly project the needle (22) from a device housing (12) to perform the procedure, and, after the procedure is completed, retract the needle (22) back into the housing (12) for disposal, substantially without risk of persons handling these devices coming into contaminating contact with a used needle or syringe. |