It has with the 2nd edge strip to which this invention, in order to cover the around external wall and the ultrasonic head partly, was constituted the 1st edge strip which is opened and, has the flexible film which is adapted for contacting with the skin of the patient and is closed, you remove the cover component to the Tip of that ultrasonic probe in regard to the cover component for the especially HIFU head, install unrestrictedly and it is possible.本発明は、周囲外壁と、超音波ヘッドを部分的に覆うように構成された開放された第1の側面と、患者の皮膚との接触のために適応された柔軟膜を備える閉じられた第2の側面とを備える、特にHIFUヘッド用のカバー部材に関し、カバー部材はその超音波プローブの先端に取り外し自在に取り付け可能である。