Patient-specific Guides Improve the Accuracy and Safety of Transcondylar Screw Placement-a Cadaveric Study in the Canine Humerus.

Objectives:  The goal of this study was to compare the accuracy and safety of a transcondylar screw (TCS) placed using a 3D-printed patient-specific guide (PSG) or a generic aiming device (AD). We hypothesized that PSG is more accurate (i.e.