When Paul McAfee, MD, plans a week of spine surgery, he does not do it at a console in the operating room. He does it on his phone.
Every cut, every decompression, every screw trajectory, mapped from a kitchen table on a Sunday night. The $1.5 million robot down the hall rarely gets that kind of attention. It only powers on in the OR. For Dr. McAfee, director of the Baltimore-based Scoliosis and Spine Center of Maryland and an adviser to Globus Medical, Medtronic and Stryker, that gap is the whole argument. The future of surgical navigation, he argued, may not be a machine bolted to the floor. It may already be in the surgeon’s pocket.
This year, the market started to move his way. It just did not move the way spine expected.
The handheld wave landed in joints first
A run of clearances and first cases has pushed handheld and miniaturized systems out of the pipeline and into operating rooms. On June 3, OrthAlign won FDA clearance for Lantern ASC, a handheld navigation system it sells as advanced-technology precision “at a fraction of the cost and complexity” of a robot.
Within days, Smith+Nephew reported the first cases on its CORI XT handheld robotics platform. Christopher Klifto, MD, performed the debut shoulder replacement at Duke Health in Durham, N.C., and Ran Schwarzkopf, MD, the first knee case at NYU Langone Health in New York City. The year had opened with Stryker’s Mako RPS, a miniaturized version of its flagship robot that was built for surgeons who never needed the full system.
All of it is real. Almost none of it is spine. The handheld robot, so far, belongs to the joints.
Spine’s version is quieter and cheaper
In spine, the same idea is arriving in a different form. Not a robot, but navigation. Not new hardware, but the hardware surgeons already carry.
Dr. McAfee’s version of the frontier is an iPhone in a sterile mount, roughly $1,200, using the gyroscope, magnetometer and accelerometer that already power consumer-augmented reality. It checks a screw trajectory without wheeling a console the size of a piano into the room. He points to Bolt Nav, whose handheld system is cleared to guide pedicle screw placement from T9 to S1.
“You could have a $1.5 million system from one of the big strategic companies,” he said, “and doctors still want to plan the surgery on their iPhone.”
This spring, that thesis stopped being theoretical. In March, Bayan Aghdasi, MD, performed the San Diego region’s first spinal fusion pairing Apple Vision Pro with Stryker’s Q navigation, a percutaneous lumbar fusion at Tri-City Medical Center in Oceanside, Calif. Weeks later, the same hospital ran the state’s first case on Stryker’s Mako 4.0 spine robot.
One center, roughly 10 weeks apart, touched both ends of the range McAfee describes: a $3,499 headset and a seven-figure robot.
The gap the big machines left open
The distinction matters most to the people signing the checks. Nearly all major robotics investment targets the high end, Dr. McAfee argues: the multilevel deformity corrections performed at academic centers. The bread-and-butter single- and two-level fusion is still largely done freehand.
“The bulk of the surgery is done freehand,” he said. “And, frankly, I think that’s a crime.” His point is not that surgeons lack skill. It is that even skilled surgeons benefit from checking their work.
The economics explain why the middle went unserved. Joint replacement is high-volume and increasingly outpatient, so a small handheld device with a per-case consumable can pencil out in a surgery center. A conventional spine robot rarely generates the case load to justify its price, which is why some hospitals never recoup the investment, held back by underused platforms, thin volumes and steep learning curves.
Lightweight navigation is built for that gap. A reusable unit, or a phone in a mount, carries no seven-figure line item and no implant-volume commitment. It is the same economics OrthAlign is now selling into knees.
The hardest limit is not technical
The frontier is not finished. No company has cleared a handheld robot built specifically for spine. For now, the spine story is navigation: phone-based systems like Bolt Nav, augmented reality platforms like the Augmedics Xvision system, which VB Spine agreed to acquire in February, and a widening field of mixed-reality entrants.
Even Dr. McAfee names a ceiling. Consumer iPhone sensors are commercial grade; the military uses far more precise components.
“The GPS that’s used in the military is much more accurate than what we’re allowed to use in the operating room,” he said.
The harder limit is not in the hardware. A program can build a sound plan around lightweight navigation and still lose on reimbursement, where payment continues to favor larger interventions. In outpatient spine, the real bottleneck is increasingly reimbursement, not the instrument tray. The clinical model may be ready before the payment model is.
For now, the most consequential tool in the operating room may also be the cheapest. And on a Sunday night, before the first incision, it is already doing the work, on a surgeon’s phone, at a kitchen table.
At the Becker’s 32nd Annual Meeting: The Business and Operations of ASCs, taking place October 29-31 in Chicago, ASC leaders, surgeons and healthcare executives will explore strategies to drive growth, enhance operational performance, navigate reimbursement challenges and prepare for the future of ambulatory surgery. Apply for complimentary registration now.
