MEDICAL INSTRUMENT ELEMENT, MEDICAL INSTRUMENT, MEDICAL INSTRUMENT COMPONENT, MEDICAL HANDPIECE, METHOD FOR MANUFACTURING MEDICAL INSTRUMENT ELEMENT, AND MEDICAL CUTTING DEVICE

摘要

An object is to provide a medical instrument element, a medical instrument, a medical instrument component, and a medical handpiece processed in a complicated manner so as to provide a desired level of performance, and a method for producing the medical instrument element. A head housing (31) including a cooling path (50) permitting cooling water to flow therein and including a bent portion at which a flow direction of the cooling water is changed is formed by stack molding.