In this updated edition of the German-language title "Neue Techniken - Kniechirugie", Professor Paessler, an experienced knee surgeon, provides a state-of-the-art survey of the field. In doing so he describes, among other techniques, how to reconstruct the anterior cruciate ligament (ACL), perform ACL revision surgery, manage a recent posterior cruciate ligament tear, treat cartilage lesions with microfracturing, reattach/replace detached cartilage fragment, perform a dome high tibial osteotomy. Professor Paessler is author of more than 150 publications (books and journals) and editor-in-chief of the "European Journal of Sports Traumatology and Related Research". This is an important resource for all trauma and orthopaedic surgeons and trainees.