In order to create a simple device for immobilizing the human body or parts of the body in a manner that is gentle on the patient, in particular for arranging medical targeting devices, markers or surgical instruments for image-guided, minimally invasive surgery, said device having at least one immobilization element (1) which can be positioned on the surface of the body, the immobilization element (1) is made of a bonded nonwoven fabric (2) which can be fastened by means of a micro hook-and-loop fastener (3).