Medical equipment (200) for High Frequency Chest Wall Oscillation (HFCWO) treatment configured to be worn on a thorax and arranged to apply repetitive compressions to the thorax, characterized in that it comprises a plurality of pressure devices (240) to apply the repetitive compressions and comprising each a deformable chamber (308) and at least a port (305, 306) in communication with the chamber (308) configured to let a pressurized fluid flowing alternatively in and out the chamber (308) so that the pressure device (240) alternatively passes from an inflated configuration to a deflated configuration, wherein the pressure device (240) comprises an impact face (311) configured to apply the repetitive compressions against the thorax and wherein the impact face (311) presents at least an elongation that extends along one main direction, the dimension (L) of the impact face (311) along the main direction being greater than three centimeters and being greater than 1.5 times the dimension (W) of the impact face (311) according to a direction perpendicular to said main direction.
