Medical devices and apparatus more particularly described as a set containing devices and apparatus used by surgeons as a top-loading "Lumbar Retractor Set", more particularly described as medical devices, apparatus, and instruments specifically designed for use by surgeons on the lumbar section of the human spine. Each set includes such devices as retractor body, lumbar fifteen degree blade with teeth side-loading locking retractor handle, sacral cutout, micro lumbar disectomy hook, lumbar retractor body for multiple blades, t-bar, and instrument case. Case and other instruments and apparatus are made of titanium and the case and other partes made of aluminum and the case designed with holes in order to allow for proper sterilization of tray and includes parts widely used in surgery performed at hospitals and other centers of the human healing arts