CPC A61F 2/447 (2013.01) [A61F 2/442 (2013.01); A61F 2/4611 (2013.01); A61F 2002/30131 (2013.01); A61F 2002/30579 (2013.01)] | 16 Claims |
1. A method of stabilizing the spine comprising the steps of:
providing an implantable system having:
an expandable device comprising a first endplate, a second endplate, a body positioned between the first endplate and the second endplate, and
a drive screw and a lock positioned within the body, wherein rotation of the drive screw is configured to increase or decrease a distance between the first endplate and the second endplate, and the lock is configured to stop rotation to the drive screw, the drive screw having a head portion and a shaft, the head portion having a plurality of protrusions defining a plurality of notches therebetween, an annular ring, and a circumferential groove between the plurality of protrusions and the annular ring, the lock having a first ring and a second ring connected to the first ring by a strut,
wherein in a locked position, the second ring rests in the circumferential groove of the head portion, the strut is located in one of the notches, and the first ring of the lock rests on a top face of the head portion, and
positioning the implantable system between adjacent vertebrae.
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