surgical robot for guidance and positioning of a surgical instrument with a surgical tool at the end of

摘要

The robot, designed to guide and position a surgical instrument (42), has a supporting leg (1) for fixing it to the floor, a rotary beam (3) with a drive to pivot it relative to the leg, and a carrier arm for for the instrument, made up of double deformable parallelograms connected in series and articulated to the beam. The first parallelogram has vertically sliding uprights (13 - 16) that move parallel to the axis of the instrument in slideways (17, 18); the second has lengthwise members (29 - 32) articulated to the uprights and a support (34) for the instrument on their ends.