<p>The present invention relates to a medical support (1) for a body part (2) comprising at least one envelope with an outer wall (3) defining a cavity (4) within said envelope. The outer wall (4) includes at least one contact area (8) to receive a body part from a patient. This at least one contact area (8) is made of a flexible material having an acoustic impedance of from 1.4s106 Passsm-1 to 1.7s106 Passsm-1, preferably of 1.56s106 Passsm-1.</p>
