container 12 upwardly out of sleeve 18 as shown in fig3 whereby needle 14 is automatically withdrawn and retracts into sleeve 18 upon relaxation of said resilient member 16 preventing accidental punctures or the like to personnel by needle 14 also safety stop 30 which may be a sufficiently sized planar rigid plastic or metal member is hingedly affixed to cylinder ears 21 safety stop 30 can be moved to the side as seen in fig2 and 4 when syringe 10 is being used but if accidentally dropped or if plunger cap 22 were accidentally hit safety stop 30 can be positioned to act as a means to prevent exposure of needle 14 as seen in fig3 as stop 30 34 locks 34 behind ridge 31 located on ears 17 another safety feature is seen in fig1 whereby syringe cap 40 fits over the end of sleeve 18 cap 40 can be slid from sleeve 18 prior to use of syringe 10 fluid cylinder 12 and plunger 11 can be used to inject fluids as shown in fig2 or can be used to extract fluids as shown in fig4 with downward pressure applied to plunger cap 22 fluid cylinder 12 is initially depressed into sleeve 18 until cylinder ears 21 contact compressed spring 16 and sleeve ears 17 on the proximal end 24 of sleeve 18 as shown in fig2 with continued pressure applied to plunger cap 22 plunger 11 will reach the distal end 23 of fluid cylinder 12 as shown in fig2 seal 13 is tightly engaged with the inner cylinder walls of cylinder 12 and as would be understood initial.