Patent ID: 8409100

Claim:
An ultrasound treatment head for an apparatus for treating a patient with ultrasound, comprising: at least one ultrasound active element, wherein the active element is provided with a positioning ring protruding with respect to the active element; and a vacuum cup configured to hold the treatment head on a body part of a patient, when an underpressure is generated within the vacuum cup, the vacuum cup having an upper part and a lower part, wherein the upper part is semi-circular in cross section and the lower part has a bell shape, gradually flaring outwardly in a mainly circular path in cross-section, the wall thickness of the upper part being less than the wall thickness of the lower part, wherein the active element is mounted in the upper part and the vacuum cup provides a vacuum chamber with a holding space, wherein the upper part is configured to act as a spring suspension for the active element to lower the active element into the lower part, wherein the upper part moves downwardly when an underpressure is generated within the vacuum cup.