Unitree G1 humanoid performs live animal surgery in study
A US research team used a Unitree G1 humanoid robot to carry out laparoscopic gallbladder removal on two live pigs, according to an MSN Copilot curated report that describes the work as detailed in a Nature study. The report calls the procedures a world first for general purpose humanoids in live animal surgery.
The Unitree G1 was teleoperated and manipulated manual wristed instruments during the standard laparoscopic cholecystectomies. Both surgeries were completed without conversion to conventional methods, according to the report. Minor complications in one case were also managed robotically.
The technical distinction is narrow but useful: this was not a purpose built surgical robot doing a task inside its own dedicated hardware ecosystem. The report says the humanoid platform used dexterous hands and open source teleoperation to work with surgical instruments, which is the central claim behind the broader argument for adaptable surgical robots.
A lower cost idea, not a clinical product
MSN frames the result as a possible lower cost alternative to specialized systems such as da Vinci. That is a serious comparison only at the concept level for now. The report says the Unitree G1 is priced far below existing surgical robots, but it does not provide the robot price, medical integration costs, sterilization requirements, service model or regulatory path that would determine whether the economics hold in a hospital.
Chen Jing, identified by Global Times as vice president of the Technology Institute, is quoted in the report saying the work verified a path toward replacing specialized medical robotic platforms with general purpose ones. The stronger reading is more cautious. The experiment suggests a humanoid can be adapted to an operating room task under teleoperation, not that general purpose humanoids are ready to displace surgical systems built around years of clinical validation.
The near term role is assistant, not surgeon
The report points to current limitations in range of motion, force generation and frequent recalibration. Those are not minor details in surgery, where repeatability, instrument control and safe interaction with tissue are the core engineering problems.
Experts cited by the report estimate five to ten years before humanoids could act as lead surgeons. Nearer term uses are described as teleoperated assistance, including retraction and camera holding. That would place humanoids closer to flexible operating room support equipment than autonomous surgical actors.
The research is still relevant for humanoid robotics because it tests a full body, general purpose platform in a constrained but unforgiving domain. If follow on work can show better precision, force control and reliability, the Unitree G1 surgery demonstration will be a useful data point for how far humanoids can be pushed beyond factory and service tasks. For now, it is an early feasibility result with a large clinical gap still in front of it.
Source: msn.com
