Ultrasound guided regional anaesthesia has become the dominant technique. Today even
the fi nest anatomical structures including peripheral nerves can be identifi ed in detail and
anaesthetised selectively under viewing using modern high-resolution ultrasound scanners.
This method supports the traditional procedure by means of nerve stimulation. But daily
practice has shown, that it is not at all that easy to identify the cannula tip defi nitely and
clearly on the viewing screen of the ultrasonic device. Before this background, PAJUNK ® has
developed the “Cornerstone” refl ectors in cooperation with Dr Chris Mitchell and has
thereby launched a new cannula generation, with a 100%-refl ection-guarantee under