US Patent 10470895 Endoscopically implantable fusion implant for endoscopic spinal surgery

An expandable intervertebral fusion implant, including an inferior component, including a first plurality of axial members and a first plurality of cross-members, a superior component, including a second plurality of axial members and a second plurality of cross-members, and at least one locking arm operatively arranged to lock the superior component at a distance from the inferior component.