HF surgical instrument with at least one operation element allowing varying setting - has drive for operation element which is connected to electronic unit contg. hardware and software for producing control signals for drive

摘要

The electronic unit (25) receives switching on signals (a; b) determining an operating function. The electronic unit (25) then delivers activating signals (c) to at least one HF surgical unit connected to the instrument (1) or a rinsing or a suction unit. An operation element having a cutting electrode can be connected. The cutting electrode is formed by a metallic needle. The needle at the distal end is arranged with a rod (6, fig.1b), which can be moved in the instrument shaft. ADVANTAGE - Surgical instrument improved to allow differing adjustments at cutting electrode or other operation element, maintaining reliable and safe working with reduced operating cost.