Why Suturing Demos Haven't Scaled

What if robots could handle tedious retraction, precise bone milling, or even autonomous suturing, freeing surgeons to focus on complex decision-making and more patients?

In this episode of the Succeed In Medicine Podcast, Dr. Bradley Block speaks with Dr. Michael Yip, as he explains that today's robots primarily serve as extensions of human surgeons via teleoperation (e.g., da Vinci for precision in hard-to-reach areas), enhancing dexterity, visualization, and accuracy rather than replacing them. He highlights existing autonomous applications in "hard tissue" procedures like the Mako or Stryker robots for precise bone milling in joint replacements, and non-contact examples like CyberKnife for focused radiation therapy.

For soft tissue surgery, the more challenging domain due to tissue deformation and variability, autonomy is emerging in simpler, repetitive tasks such as retraction, suctioning, or basic suturing, with demonstrations dating back 15 years but real-world deployment lagging due to engineering, data, and economic hurdles. Dr. Yip discusses why demos in controlled settings don't easily translate to ORs, the shift to data-driven AI (with risks of out-of-distribution failures), and regulatory challenges like FDA expertise gaps and defining probabilistic safety.

 He predicts stepwise adoption: starting with assistant-level tasks (replacing med student/intern roles in retraction/suction), then progressing to free surgeons for higher-value work, especially in underserved rural areas via telesurgery. Full "skin-to-skin" autonomy (e.g., simple lipoma excision or appendectomy) remains years away, limited by hardware combining strength, dexterity, and precision in one system, though teams of specialized robots could accelerate progress. Ultimately, robotics will alleviate surgeon burnout from growing demand, not eliminate jobs soon.

Three Actionable Takeaways

• Embrace Robotics Early in Training: Surgeons and trainees should gain hands-on experience with diverse robotic technologies now, treating them as essential tools that augment precision and dexterity rather than threats to obsolescence.
• Focus on Repetitive Tasks for Autonomy Gains: Prioritize robotic assistance in tedious, physically demanding steps like retraction, suctioning, or basic closure to free up time, reduce fatigue, and improve efficiency in high-volume or resource-limited settings.
• Stay Informed on Regulatory and Economic Shifts: Monitor evolving FDA guidelines for AI/surgical autonomy, economic incentives (e.g., cost savings in joint replacements or anastomosis), and liability frameworks to prepare for integration that enhances patient access and outcomes.

About the Show:

Succeed In Medicine covers patient interactions, burnout, career growth, personal finance, and more. If you're tired of dull medical lectures, tune in for real-world lessons we should have learned in med school!

About the Guest:

Dr. Michael Yip is an Associate Professor of Electrical and Computer Engineering at UC San Diego and Director of the Advanced Robotics and Controls Laboratory (ARCLab). His research focuses on surgical robots, biomimetic design, robot learning, autonomous robotic surgery, and deformable tissue manipulation. He has received the NSF CAREER Award, NIH Trailblazer Award, IEEE RAS Distinguished Lecturer recognition, and was named Faculty Innovator of the Year at UCSD in 2024 and elected to the National Academy of Inventors. Previously a Disney researcher at Amazon Robotics, he holds a BSc in Mechatronics Engineering from the University of Waterloo, MS in Electrical Engineering from the University of British Columbia, and PhD in Bioengineering from Stanford University.

Website: yip.eng.ucsd.edu and ucsdarclab.com

About the Host:

Dr. Bradley Block – Dr. Bradley Block is a board-certified otolaryngologist at ENT and Allergy Associates in Garden City, NY. He specializes in adult and pediatric ENT, with interests in sinusitis and obstructive sleep apnea. Dr. Block also hosts Succeed In Medicine podcast, focusing on personal and professional development for physicians

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