US 11,654,030 B2
Standalone anterior lumber interbody spacer
Anthony Valkoun, Carlsbad, CA (US); and Thomas Purcell, Carlsbad, CA (US)
Assigned to Astura Medical Inc., Irving, TX (US)
Filed by Astura Medical Inc., Carlsbad, CA (US)
Filed on Sep. 24, 2020, as Appl. No. 17/31,885.
Claims priority of provisional application 62/905,384, filed on Sep. 24, 2019.
Prior Publication US 2021/0369466 A1, Dec. 2, 2021
Int. Cl. A61F 2/44 (2006.01); A61F 2/30 (2006.01)
CPC A61F 2/442 (2013.01) [A61F 2/4455 (2013.01); A61F 2002/30505 (2013.01); A61F 2002/30507 (2013.01)] 14 Claims
OG exemplary drawing
1. A modular interbody spacer for placement between adjacent vertebrae comprising:
a spacer body selected from a group of interchangeable spacer bodies having upper and lower vertebrae engagement surfaces and a proximal end having a vertical slot from the upper surface with a bore or hole;
a spring loaded lock tab and a spring slidable within the bore or hole; and
a fixation plate selected from a group of interchangeable fixation plates having upper and lower bone vertebrae surfaces and a distal end coupled to the proximal end of the spacer body, the fixation plate incudes:
one or more fastener holes on a proximal end sized to receive a bone engagement fastener to attach the fixation plate to:
the vertebra above or below the spacer body, or
both the vertebra above and below the spacer body; and
a protrusion on the distal end configured to slidably insert in the vertical slot in a vertical direction,
a first portion of the protrusion is configured to compress the spring loaded lock tab during insertion, and
a second portion of the protrusion is configured to lock the spring loaded lock tab when the fixation plate and spacer body are completely joined.