housing ge through arms a1 and a2 and is in fact positioned or positionable next to or under the window fe the therapeutic head tk carries in addition ultrasonic transducer tr which is the imaging and locating equipment of the lithotripter the respective image is of course visible in the window w of monitor m the head and foot segment and various portions can be changed or positioned so that the foot rest is to the left and the head rest is the right of the equipment fig2 illustrates a modified arrangement the arrangement is not modified in principle but in terms of detailing the equipment for the sake of variety the hs segment which has served as head rest in fig1 is now affixed to the right hand side of the central segment cs otherwise the basic equipment housing ge of the lithotripter and the monitoring equipment are the same but there may not be a therapeutic head provided also instead of a foot segment to the right hand side of the central segment cs there are two lower leg support troughs us and a miction through top mb is attached to the left side of the central segment cs in between the two troughs us the lithotripter window is in this case closed by the cover ad the therapeutic head tk is not visible but has simply been pivoted out of the way and is thus not visible so that the area directly in front of the central segment zs is without restriction and restraint and therefor easily accessible to operating personnel.