Medical and surgical apparatus and instruments, namely, devices used in orthopedic surgery to position surgical instruments, implants and/or patients' limbs; Medical apparatus and instruments for use in orthopedic surgery; Medical apparatus for spinal disc repair; Medical devices for spinal disc repair in the nature of spinal disc implants made from artificial substances; Medical devices, namely, spinal implants composed of artificial materials; Medical, surgical and orthopaedic implants made of artificial materials; Orthopedic joint implants made of artificial materials; Spinal implants composed of artificial material; Surgical and medical apparatus and instruments for use in spinal surgery; Surgical and medical apparatus and instruments for use in orthopedic surgery; Surgical apparatus and instruments for use in orthopedic surgery; Surgical implants comprising artificial material and associated surgical instrument sets; Surgical instruments for use in orthopedic surgery; Surgical instruments for use in orthopedic and spinal surgery; Surgical instruments for use in spinal surgery