ORTHOPEDIC DRIVER INSTRUMENT AND METHODS OF PRODUCTION

摘要

An orthopedic driver instrument (10) including a metal injection molded driver bit (14) having an overall bit length (lb), and a plastic injection molded handle (12) having an overall handle length (Ih) at least twice the overall bit length, the handle including a gripping portion (20) and an elongate shaft portion (40) over molded about a shank portion (50) of the driver bit. A method of producing an orthopedic driver instrument is also provided including forming a metallic driver bit using a metal injection molding process, and forming a plastic handle using a plastic injection molding process, wherein the plastic handle has a gripping portion and an elongate shaft portion, and the plastic injection molding process comprises over molding the elongate shaft portion of the plastic handle about a shank portion of the metallic driver bit.