Apparatus for effecting or controlling instrumentation insertible into the human body, as for example into the uterus, comprising in combination a first suspension for adjustably suspending the instrumentation generally vertically; a second suspension operatively connected with the first suspension for adjustably suspending the instrumentation for generally horizontal movement; a third suspension for adjustably suspending the first and second suspensions for generally vertical movement to selected level of the instrumentation; and a swivel connection allowing swiveling of the instrumentation about a generally vertical axis.