US 12,256,917 B2
Anterior to psoas instrumentation
Abram Reitblat, Monroe, NY (US); Steven F. Krause, Oakland, NJ (US); Spencer Popejoy, Ringwood, NJ (US); Shawn Graham, Morristown, NJ (US); and Douglas G. Pedrick, Newburgh, NY (US)
Assigned to Stryker European Operations Holdings LLC, Portage, MI (US)
Filed by Stryker European Operations Holdings LLC, Kalamazoo, MI (US)
Filed on Jul. 15, 2022, as Appl. No. 17/865,861.
Application 17/865,861 is a continuation of application No. 16/661,601, filed on Oct. 23, 2019, granted, now 11,413,029.
Claims priority of provisional application 62/749,856, filed on Oct. 24, 2018.
Prior Publication US 2022/0346766 A1, Nov. 3, 2022
Int. Cl. A61B 17/02 (2006.01); A61B 17/84 (2006.01); A61B 17/00 (2006.01)
CPC A61B 17/025 (2013.01) [A61B 17/0206 (2013.01); A61B 17/846 (2013.01); A61B 2017/00477 (2013.01); A61B 2017/0256 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A blade for use in accessing hard tissue of a patient, the blade comprising:
a body having a central portion and a distal portion extending from the central portion, a central longitudinal axis of the body being along a center of the central portion and a center of the distal portion,
the central portion comprising:
first and second lateral sides and an inner surface therebetween;
a central longitudinal channel recessed on the inner surface; and
a sub-channel recessed relative to the central longitudinal channel, the sub-channel being shorter than the central longitudinal channel; and
first and second longitudinal grooves on the first and second lateral sides, respectively, the first and second longitudinal grooves having a partially cylindrical shape,
wherein portions of the inner surface between the central longitudinal channel and the respective lateral sides are concave;
the distal portion tapering from the central portion to a tip, the tip being contoured to provide surface area contact when disposed on a curved surface, wherein the distal portion becomes further from a plane through lengths of the first and second longitudinal grooves moving from the central portion toward the tip.