US 12,076,065 B2
Bone screw with reduced flank portion
Mark B. Sommers, Beaverton, OR (US); Andrew W. Seykora, Portland, OR (US); and Brian R. Conley, Portland, OR (US)
Assigned to Acumed LLC, Hillsboro, OR (US)
Filed by Acumed LLC, Hillsboro, OR (US)
Filed on Feb. 4, 2022, as Appl. No. 17/592,827.
Claims priority of provisional application 63/146,099, filed on Feb. 5, 2021.
Prior Publication US 2022/0249149 A1, Aug. 11, 2022
Int. Cl. A61B 17/86 (2006.01)
CPC A61B 17/863 (2013.01) [A61B 17/8625 (2013.01); A61B 17/8645 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A bone screw having a proximal end opposite a distal end, the bone screw comprising:
a first portion adjacent the distal end, a second portion, and a third portion adjacent the proximal end; and
one or more threads spanning at least the first and second portions of the bone screw,
wherein the one or more threads in the second portion include a reduced flank profile as compared to the one or more threads in the first portion;
wherein the one or more threads in the first portion and the one or more threads in the second portion have an equal thread depth;
wherein the respective flank profiles of each revolution of the one or more threads in the second portion gradually reduce with respect to one another from an interface of the second portion and the first portion and towards the proximal end.