Disposable electrolysis needle

Claim 1

A disposable electrolysis needle assembly comprising an electrical insulating body formed of molded plastic and including a shaped forward end and an extremely fine uninsulated metal needle adapted to be inserted through the epidermis layer of skin of a human patient outwardly forwardly projecting from said forward end, said body further including a rearwardly extending shank portion of a regular geometric configuration in turn adapted to extend into a receiving socket in the front of the insulated hand grip portion of an electrolysis instrument, said needle further including a wire portion extending through said body and including a portion outwardly projecting from the shank portion thereof so as to form an electrical connection with said instrument, said needle and said body integrally connected into a single-use, throw away unit said shank portion having a base through which said needle wire portion extends to form an electrical contact tail radially extending across at least a portion of said base and wherein said forward end is generally conically-shaped for ease in grasping and said shank portion is in the form of a rearwardly extending generally centrally disposed stem, said stem is of a reduced cross-section with respect to the adjacent generally conically shaped forward end.