Patent ID: 9717605
Date: 2017-08-01
CPC Classifications: A61F

Claim:
1. A spinal fusion device for implanting or placing between adjacent vertebrae comprising: a hollow body having an upper section with a top surface for contacting one vertebra and a lower section having a bottom surface for contacting an adjacent vertebra, said top surface and said bottom surface having a means for engaging the vertebra, each section having depending sidewalls, a top sidewall being slidably mounted over a bottom sidewall, each sidewall having means for engaging a distractor; a hollow body section, said body section having a first end and a second end comprising an opening for disposing of a distractor, wherein the first end of the body section comprises a multitude of angled surfaces, a grooved end and a flat end, wherein the angled surfaces culminate at a flat end or planar end plate at a first end, and at the opposing end, the angled surfaces culminate to form a groove for receiving the sloped edges of the top and bottom surfaces when the device is in a compacted or unexpanded form; and a distractor; said hollow body constructed and arranged for receipt of bone graft material.