Sonotrode, surgical instrument with a sonotrode and production method for a sonotrode

摘要

A sonotrode for an ultrasonic surgical instrument, the sonotrode having a shaft (19) and an instrument head (17) at a distal end (21) of the shaft (19), the instrument head (17) having a cutting structure (18) for processing bone is equipped and wherein the shaft (19) has a helical recess (22), characterized in that in the helical recess (22) has a shoulder (26) is formed which extends transversely to the longitudinal extent of the helical recess.