#$%^&*AU2007249102B220121220.pdf#####INDWELLING NEEDLE ASSEMBLY Abstract An indwelling needle assembly (10) usable in combination with an infusion system for infusion into a patient's body is disclosed. The indwelling needle assembly 5 (10) is comprised of a needle (11) having a needlepoint insertable into the patient's body； a sleeve (19) slidably fitted on the needle (11)； a catheter (15) including a catheter tube (13) slidably fitted on the sleeve (19)； a base body (12) fixed to a proximal end of the needle (11)； and a slider (20) fixed to the sleeve (19) and slidably engaged with the base body (12) so as to be movable between a first position to have the needlepoint projecting 1o out of the sleeve (19) and a second position to have the needlepoint retracted in the sleeve (19), wherein the needle (11), the sleeve (19), the base body (12) and the slider (20) are unitarily extractable from the catheter.104 C=) -C J LLo
