Unilateral moveable interbody fusion device and method of use

摘要

An interbody fusion device including a body member, at least one side member engaging the body member, and at least one movement mechanism that engages at least one side member and the body member. A surgical method for maintaining a space between two vertebral bodies in a spine, including the steps of obtaining a medical device, such as an interbody fusion device, and inserting and coupling an expansion tool into an opening within the medical device. The surgical method also including slidingly inserting the medical device into a space between two vertebral bodies and rotating the expansion tool to move the at least one side member in a direction relative to the body member. The method may further include detaching the expansion tool from the medical device and removing the tool from the space between the two vertebral bodies in the spine.

主权项

1. A surgical method for maintaining a space between two vertebral bodies in a spine, comprising:
obtaining a medical device comprising:
a body member;at least one side member engaging the body member; andat least one movement mechanism engaging the at least one side member and the body member, the at least one movement mechanism including first and second threaded rod members; inserting and coupling a tool into an opening within the medical device, the tool including first and second sets of gear teeth; slidingly inserting the medical device into a space between two vertebral bodies; and rotating the tool to move the at least one side member in a horizontal direction relative to the body member, the rotating the tool including rotating the first threaded rod member with the first set of gear teeth and rotating the second threaded rod member with second set of gear teeth.