Rhausler Inc.


Our Founder | Fred H. Geisler MD, PhD

Dr. Geisler is a world-renowned neurological and spinal surgeon from Chicago, formerly of the Back Institute at Swedish Covenant Hospital. He is recognized by his surgical peers for his clinical expertise and innovation in spinal care. As a founder of the Chicago Back Institute, he shares in its focus on patient healing, patient involvement, and use of advanced treatment technology. Dr. Geisler is a board certified neurosurgeon with over 25 years of experience. He holds a Ph.D. in Physics from Washington University and received his M.D. and residency training in Neurosurgery from State University of New York at Buffalo

Dr. Geisler is an internationally renowned expert in spinal care, an inventor, and pioneer of new, innovative spinal procedures. He is one of the nation’s leading authorities on spinal cord injuries and degenerative diseases of the spine and sacroiliac joint. Dr. Geisler is an early adopter of new neurological, spinal, and orthopedic technologies, not only adopting but also providing essential feedback to modifying new technologies to be even more successful in treating spinal patients.

Dr. Geisler was one of the first surgeons in the U.S. to adopt anterior cervical plating, total disc replacement, and the minimally invasive sacroiliac fusion. Dr. Geisler is also an active clinical researcher, lecturer, and author. His most recent interests include the relief of postoperative lumbar surgical pain.

Dr. Geisler is a recognized international expert in spinal procedures including internal stabilization, minimally invasive surgery, and motion preserving artificial discs. He was an early developer of spinal techniques at the Shock Trauma Center in Maryland and was a founding member of the CINN Institute for Spine Care and an assistant professor of neurosurgery at Rush Medical College, Rush University Medical Center, in Chicago. He has published numerous articles in the field of acute spinal cord injuries and has spent the last 15 years spearheading clinical trials in the areas of artificial discs and cervical plates.

Dr. Geisler founded Rhausler, Inc., a medical device company specializing in spinal implants and instrumentation in 2008 to provide new, high quality, and innovative spinal implants and instrumentation for the spine surgeon.

Fred H. Geisler MD, PhD