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Future of Robotics in Spine Surgery

Patel, Vikas, MD, MA, BS

doi: 10.1097/BRS.0000000000002554
Supplement

Spine Center, University of Colorado Hospital, Aurora, CO.

Address correspondence and reprint requests to Vikas Patel, MD, MA, BS, The Spine Center at University of Colorado Hospital, Anschutz Inpatient Pavilion - 1st Floor, 12605 E. 16th Ave., Aurora, CO 80045; E-mail: Vikas.Patel@ucdenver.edu

Received 2 January, 2018

Accepted 5 January, 2018

The manuscript submitted does not contain information about medical device(s)/drug(s).

No funds were received in support of this work.

Relevant financial activities outside the submitted work: Grants to institution: Pfizer, Medtronic, Globus, Orthofix, SI Bone Royalties paid to institution: Aesculap, Stryker, Springer.

Although it is impossible to predict the future, we can learn from trends of the past, and from the activities of our surgical colleagues. Spine robotics has been available in the United States since 2004 with the Mazor SpineAssist system (Mazor Robotics, Caesarea, Israel). SpineAssist did not, however, see significant use until 2011 with a handful of installations, to still under 100 installed by 2015. The number of procedures per system has increased steadily, however, implying greater utilization and acceptance of spine robots in the operating room (OR), and by 2015, over 3000 procedures were performed annually in the United States. Perhaps this trend will mimic the Intuitive Surgical robot (Intuitive Surgical, Inc., Sunnyvale, CA) used for prostate and ob-gyn surgeries, with 700,000 procedures executed in 2015.

It is also likely that both market and training trends will push medical systems towards the use of robotics in spine surgery. Already, there is a push for commoditization of spinal procedures, with the expectation of more complex procedures to be performed by more spine surgeons in more varied hospital settings. In parallel, residency work hour restrictions provide less and less opportunity for indepth spine procedural training. Thus, less-trained spine surgeons are expected to do more and more, especially in physician-based settings. Robotics could allow for increased safety even with increased complexity of surgery, bringing such cases into the capability of less experienced surgeons. The robotics industry is expected to increase from $4 billion in 2016 to $6.8 billion in 2021, and spine surgery robotics will likely follow that growth rate.

Currently, spine robots simply act as guides to help position tools in an ideal position or trajectory. This allows for accurate placement of pedicle screws; however, tremendous opportunity exists for the future. Examples might include the use of robots that are passive but provide “no-fly zones” around protected structures, such as the dura. Thus, a surgeon could burr away the lamina or perform an osteotomy without fear of plunging into the spinal canal. Improved user interfaces such as gloves with motion sensors could also allow for follower robots, similar to the Intuitive robot, that are capable of handling higher forces in spine surgery or more complex manipulations of tissue. Researchers are also already working on robots that can automatically perform simple procedures such as suturing wound closures. With improved handling of soft tissues and specialized imaging for tissue recognition, more complex procedures could eventually be automated.

Thus, robotics in spine surgery will continue to grow as a tool to improve safety, and increase our efficiencies and capabilities in the OR.

Keywords:

pedicle screws; robotics; spine surgery

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