US 11,051,829 B2
Customized patient-specific orthopaedic surgical instrument
R. Patrick Courtis, Boston, MA (US); and Francis Metelues, Warsaw, IN (US)
Assigned to DEPUY SYNTHES PRODUCTS, INC., Raynham, MA (US)
Filed by DePuy Synthes Products, Inc., Raynham, MA (US)
Filed on Jun. 26, 2018, as Appl. No. 16/18,137.
Prior Publication US 2019/0388240 A1, Dec. 26, 2019
Int. Cl. A61B 17/15 (2006.01); A61B 17/17 (2006.01); A61B 17/56 (2006.01); A61F 2/46 (2006.01); A61B 34/10 (2016.01)
CPC A61B 17/155 (2013.01) [A61B 17/154 (2013.01); A61B 17/1764 (2013.01); A61B 17/56 (2013.01); A61F 2/461 (2013.01); A61F 2/4607 (2013.01); A61B 17/1746 (2013.01); A61B 2017/568 (2013.01); A61B 2034/102 (2016.02); A61B 2034/108 (2016.02); A61F 2/4609 (2013.01)] 6 Claims
OG exemplary drawing
 
1. An orthopaedic surgical instrument, comprising:
a customized patient-specific surgical instrument comprising:
a body having a planar distal surface and a planar proximal surface,
a cutting guide slot extending through the body,
a pair of first arms extending posteriorly from the body, each arm including a first customized patient-specific negative contour configured to receive a portion of a first corresponding positive contour of one of a patient's femoral condyles,
a second arm extending proximally from the body, the second arm having a second customized patient-specific negative contour configured to receive a portion of a second corresponding positive contour of an anterior surface of the patient's femur, and
an alignment slot extending through the body and the proximally extending arm and positioned to align with a deepest portion of a trochlear groove of the patient's femur when the customized patient-specific surgical instrument is positioned on the patient's femur wherein (i) the alignment slot includes a slot portion extending through the body transverse to the cutting guide slot, and (ii) the slot portion includes a first opening extending traverse to the cutting guide slot through the planar distal surface and a second opening aligned with the first opening and extending traverse to the cutting guide slot through the planar proximal surface.