10 Surgical and medical instruments and apparatus, medical apparatus for therapeutic purposes, electromedical apparatus and parts therefor, in particular electronic apparatus for the electrical stimulation of tissue and nerves, including external or implantable pacemakers, programming and testing apparatus for pacemakers, defibrillators, cardioverters, electrodes, circulation support apparatus, cardiological diagnostic apparatus, catheters, in particular PTCA catheters; medical guide wires; medical apparatus and systems assembled therefrom for implanting stents, stents, apparatus for balloon dilation, medical analytical apparatus, patient monitoring apparatus and medical measurement and control apparatus; analytical apparatus for medical purposes; resuscitation apparatus; artificial organs, endoprotheses, implants (made of synthetic materials)