Patent ID: 9597200
Date: 2017-03-21
CPC Classifications: A61F

Claim:
1. A surgical method comprising: forming a cavity in a vertebral space; introducing an expandable trial member into the vertebral space, wherein the trial member comprises an upper endplate, a lower endplate, a translation member, and an actuation member, and wherein the translation member of the trial member includes a plurality of ramped surfaces that contact the upper endplate and the lower endplate of the trial member; expanding the trial member in the vertebral space; removing the trial member from the vertebral space; inserting an expandable fusion device into the vertebral space, wherein the expandable fusion device includes a first endplate, a second endplate, a body portion positioned between the first and second endplates, a translation member receivable within the body portion in between the first and second endplates, the translation member of the fusion device including at least two ramped surfaces sloped generally in the same direction, an actuation member engaged with the translation member, and a pin member configured to secure the actuation member to the translation member; and expanding the fusion device in the vertebral space by rotating the actuation member of the fusion device.