Patent ID: 8657882
Filing Date: 2014-02-25
Classification: A61F

Abstract:
1. An intervertebral implant to be positioned within a space formed between vertebral members, the implant comprising: an outer member including sidewalls that form an interior space extending along and centered about a longitudinal axis of the outer member, the sidewalls including threads along an inner surface; an inner member including a first surface, and an opposing second surface with the second surface extending across the interior space such that the longitudinal axis extends through the second surface, the inner member also including a lateral sidewall that extends between the first and second surfaces, the inner member being sized to fit within the interior space, the inner member including a post that extends outward from the second surface with the longitudinal axis extending through the post; and a threaded member sized to fit within the interior space and positioned in contact with the second surface of the inner member, the threaded member being threaded along an outer peripheral wall to engage with the threads along the inner surface of the outer member, the threaded member including an aperture that receives the post; the threaded member and the inner member each being movable along the longitudinal axis between a first position with the first surface of the inner member being positioned within the outer member and a second position with the first surface of the inner member extending outward from the outer member to contact one of the vertebral members.