TL;DR
UC San Diego researchers used teleoperated humanoid robots to perform live surgical procedures on large mammals for the first time, published in Nature, opening a credible path to robot surgeons in remote and austere environments.
What happened
- UC San Diego's Center for the Future of Surgery completed two preclinical surgeries using teleoperated humanoid robots, results published in the journal Nature.
- Surgery 1: a human-robot team (one humanoid robot plus one human surgeon as assistant) performed a gallbladder removal.
- Surgery 2: two humanoid robots worked side-by-side, completing the procedure without a human surgeon in the operative role.
- Both robots, nicknamed Surgie, stand 5 feet tall and weigh 60 pounds, a fraction of the roughly 1,800-pound specialized robotic surgery systems currently in use.
- The team had to build custom adapters for Surgie to grip standard surgical tools, and robots required recalibration multiple times, making procedures run longer than with existing systems.
Why it matters
- Cost and footprint: Surgie is described as a fraction of the cost and space of proprietary surgical robots, which require large teams, retrofitted ORs, and weigh nearly a ton.
- Access gap: a global surgeon shortage is driving longer wait times and healthcare disparities; teleoperated humanoid robots could extend surgical access to rural communities, battlefields, and eventually space.
- Versatility advantage: unlike single-function surgical systems with three to four specialized arms, humanoid robots can perform a wide range of procedures and general tasks, making them deployable without purpose-built infrastructure.
- Precision parity: senior author Shanglei Liu stated that teleoperated humanoid robot precision matches that of existing teleoperated surgical robotic systems.
- Historical parallel: the first robotic laparoscopic surgery took six hours and now takes 30 minutes, suggesting today's calibration and latency problems are solvable engineering challenges, not fundamental blockers.
What to watch next
- Latency and recalibration fixes: the team is actively working on longer-distance teleoperation; watch for a follow-on study demonstrating remote operation over meaningful geographic distances.
- Regulatory and clinical trial pathway: preclinical success on non-primate mammals is step one; the next milestone is an Investigational Device Exemption or equivalent approval to begin human trials.
- AI autonomy layer: researchers explicitly flagged autonomous operation as the longer-term goal; any announcement of onboard AI decision-making during a procedure would mark a significant escalation in capability and regulatory scrutiny.
Originally published on Present of AI, a daily source-linked AI news timeline. Read the full timeline or browse the open dataset.