US Patent 12064156 Dynamic compression fixation devices

Devices and methods are disclosed for orthopedic uses, such as treating and compressing a broken bone. An implantable device may be provided with an elongate body, a head region, a bone engagement part such as an anchor region or threads, a dynamic compression portion in either a first axially compact configuration or a second axially elongated configuration and configured to transform between the first axially compact configuration and the second axially elongated configuration, and a sleeve slidably located over the dynamic compression portion and configured to inhibit the dynamic compression portion from expanding radially outward.