laterally from the catheter body 12 see fig1 a such prevention or limitation of the potential for rotation or lateral movement of the needle member 30 may be accomplished in any suitable way as described in detail herebelow specific apparatus which may be incorporated into the catheter device 10 to prevent or deter rotation or lateral movement i e u201c wagging u201d or u201c flopping u201d of the needle member 30 during or after its advancement from the catheter body 12 include a a curved needle housing 60 which has a curve at its distal end which mates with the preformed curvature of the needle member 30 to deter rotation see fig9 10 f b engaged surfaces 76 77 formed on the needle member 30 and surrounding catheter body 12 to lock or deter rotation of the needle member 30 examples of such engaged surfaces 76 77 including but not necessarily being limited to i a tongue in groove or key in key way arrangement see fig1 d 10 d u2033 or ii an oval to oval arrangement see fig1 e 10 u2033 etc c a steering mechanism for causing the distal portion of the catheter body 12 to curve in the lateral direction in which the needle member 30 is intended to advance so as to cause the preformed curve of the needle member 30 to mate with the induced curvature of the catheter body 12 and d a needle guide.