Patent ID: 7722572
Filing Date: 2010-05-25
Classification: A61M

Abstract:
1. A safety needle assembly comprising: a syringe barrel having an interior configured to receive a plunger and possessing a proximal end portion and a distal end portion; a cannula mounted at the distal end portion of the syringe barrel, the cannula possessing a distal end and a proximal end, the cannula being provided with a lumen; a collar formed separately from the syringe barrel and mounted on the syringe barrel, the collar being provided with a pair of spaced apart mounting ears each provided with a hole; a protector positioned over the cannula and covering the distal end of the cannula, the protector having an open end and an oppositely located closed end, the protector being removable to expose the cannula including the distal end; a sheath provided with an opening extending along at least a portion of a longitudinal extent of the sheath providing access to an interior of the sheath, the sheath comprising a pin mount and a pair of pins extending from the pin mount, each of the pins being positioned in a respective one of the holes in the mounting ears of the collar so that the sheath is pivotally mounted on the collar, the sheath being positioned outside the protector when the protector is positioned over the cannula and being pivotable towards the cannula after removal of the protector so that the cannula is positioned in the interior of the sheath and is covered by the sheath; and the pin mounting portion comprising a plurality of flat surfaces which engage a portion of the collar located between the mounting ears during pivoting movement of the sheath.