Stanley Asnis, MD, pioneered the development of cannulated screws in the 1980's, which became a major facilitator for advancing minimally invasive surgery in orthopaedics 1, 2. The Asnis Micro Cannulated Screw Systems offers a range of screws for use in surgeries today.
1. European Patent 134514
2. Browner, Bruce D. M.D (1996). Introductin. In: Asnis, Stanley E. and Kyle, Richard F. (editors). Cannulated Screw Fixation, Principles and Operative Techniques. Springer p.ix
CP-AWI-14, 07-2-17