Surgical Technique Guide - Screw Only Instructions for Use TFNA Hollow Drill Bit Animation References DePuy Synthes Shared Instrumentation TFNA-FRN A.7. 2/8/2018. Windchill Document #0000273347 DePuy Synthes Analysis Anatomical Study Rev 1. 12/8/2017. Windchill Document #0000271671 ...