preferably from about 0 100 inches to 0 120 inches the diameter of the auxiliary cylindrical member 32 in the range from about 0 050 inches to 0 090 inches preferably from about 0 060 inches to 0 080 inches the auxiliary cylindrical member 32 extends axially from the distal end face 731 of the base cylindrical member 31 the length of the auxiliary cylindrical member 32 is in the range from about 0 inches to 0 100 inches preferably from about 0 125 inches to 0 500 inches in one embodiment of the nozzle 30 the center auxiliary axis 736 is substantially parallel to and offset from the central base axis 735 referring still to fig7 in a particular embodiment the distal end face 731 of the base cylindrical member 31 is substantially perpendicular to the central base axis 735 the distal end face 732 of the auxiliary cylindrical member 32 is positioned at an angle u03b2 between 0 u00b0 and 90 u00b0 clockwise from the auxiliary axis 736 preferably between 15 u00b0 and 30 u00b0 thereby forming a tissue piercing point 310 at the distal end 316 of the nozzle 30 the tissue piercing point 310 is adapted to penetrate body tissues including skin rectus bladder wall and bladder neck in one embodiment of the invention the tissue piercing point 310 is reinforced to improve for example edge holding durability and strength of the tissue piercing point 310 with continued reference to fig7 the first.