US 11,911,293 B2
Tools for spinal surgery
Jeffrey B. Kleiner, Denver, CO (US); Michael J. Milella, Incline Village, NV (US); and Edward J. Grimberg, Jr., Golden, CO (US)
Assigned to SPINAL SURGICAL STRATEGIES, INC., Incline Village, NV (US)
Appl. No. 17/049,545
Filed by Spinal Surgical Strategies, Inc., Incline Village, NV (US)
PCT Filed Apr. 26, 2019, PCT No. PCT/US2019/029447
§ 371(c)(1), (2) Date Oct. 21, 2020,
PCT Pub. No. WO2019/210235, PCT Pub. Date Oct. 31, 2019.
Claims priority of provisional application 62/798,811, filed on Jan. 30, 2019.
Claims priority of provisional application 62/668,118, filed on May 7, 2018.
Claims priority of provisional application 62/663,851, filed on Apr. 27, 2018.
Claims priority of provisional application 62/663,841, filed on Apr. 27, 2018.
Prior Publication US 2021/0251774 A1, Aug. 19, 2021
Int. Cl. A61F 2/46 (2006.01); A61F 2/28 (2006.01); A61F 2/44 (2006.01); A61B 17/16 (2006.01); A61F 2/30 (2006.01)
CPC A61F 2/4601 (2013.01) [A61F 2/28 (2013.01); A61F 2/447 (2013.01); A61F 2/4611 (2013.01); A61B 17/1671 (2013.01); A61F 2002/2835 (2013.01); A61F 2002/30579 (2013.01); A61F 2002/30593 (2013.01); A61F 2002/4627 (2013.01); A61F 2002/4628 (2013.01); A61F 2002/4681 (2013.01)] 9 Claims
OG exemplary drawing
 
1. An intervertebral bone graft delivery system comprising:
a fusion cage configured to receive, allow for flow therethrough, and contain bone graft therein, the fusion cage being expandable, and having at least one opening therethrough and an expansion screw adapted to expand the fusion cage;
an expansion tool complex having a distal end configured to rotatably engage the expansion screw, whereby the fusion cage is moveable from an unexpanded state to an expanded state; and
an insertion instrument configured to reversibly attach to the fusion cage, the insertion instrument including a slidable rectangular shaft, a handle generally orthogonally oriented relative to the slidable rectangular shaft, and a trigger operably engaging the handle and configured to be squeezed against the handle in a first direction and to cause the slidable rectangular shaft to move in a second direction that is opposite to the first direction.