Simulator apparatus with at least two degrees of freedom of movement for an instrument

A simulator apparatus with at least two degrees of freedom of movement for an instrument that has an elongated shaft defining a longitudinal axis, said simulator apparatus comprising:

• a holding device for said instrument, said holding device being designed such that said instrument has at least a first degree of freedom of rotary movement about said longitudinal axis of said shaft and at least a second degree of freedom of translatory movement in the direction of said longitudinal axis of said shaft,
• said holding device having a gear arrangement for said first and second degrees of freedom, wherein said gear arrangement has a first bevel gear, which is connected to said shaft and corotates with the latter about said longitudinal axis thereof, and has a second and a third bevel gear which are arranged on either side of said first bevel gear and are in rolling engagement therewith.