Researchers in China have validated the performance of the YDHB-NS01, a domestically produced robotic system for cerebral angiography.
Researchers in China have validated the performance of the YDHB-NS01, a domestically produced robotic system for cerebral angiography. In a clinical trial at Peking Union Medical College Hospital , the system was used to perform cerebral angiography — a complex imaging procedure used to diagnose brain disease s.
South China Morning Post reported that the trial compared a young neurosurgeon’s performance using the robot versus manual methods. Interestingly, the robot reduced the procedure time by 29 percent, cutting the average duration from 38 minutes to 27 minutes .“Preliminary clinical application shows that the YDHB-NS01 robot-assisted system is feasible for diagnostic cerebral angiography and shows early indications of safety and comparable procedural performance to conventional manual methods,” the researchers wrote in the study paper. Graphical depiction of the study. Robotic systemWhile robotic assistance has existed in other fields, the complexity of the brain’s vascular highway had long remained a domain of humans.Standard cerebral imaging is a physically demanding procedure, as it requires neurologists to manually guide a wire from the thigh to the brain. They also have to wear heavy radiation-shielding gear, and there is a risk of hand tremors. The new robotic system eliminates these human vulnerabilities, offering a stable, fail-safe alternative that protects doctors from long-term radiation exposure. The robotic system solves this by allowing surgeons to operate remotely from a shielded console with high-precision “force feedback” and stable mechanical control.In a controlled study at PUMCH involving 50 patients, a single operator demonstrated that robotic assistance can outperform manual techniques after only two training sessions. The team compared 25 robot-assisted procedures with 25 manual procedures. It was found that the technology improved safety and reliability while slashing average surgical time from 38 minutes to 27 minutes — a 29 percent increase in efficiency.“All 50 procedures were successfully completed with a 100 percent technical success rate. There were no differences between the two groups in patients’ demographic data, fluoroscopy time, patient radiation dose, contrast agent dose, or total angiography room time ,” the study stated.100 percent success rateAt China’s hospital, a young neurosurgeon with under three years of experience proved that intelligent robotic arms could outperform human precision. In a head-to-head comparison, the surgeon transitioned from the physical strain of wearing lead aprons in a high-radiation environment to operating via remote console from a separate room. While both manual and robotic methods achieved a 100 percent success rate with perfect diagnostic clarity, the robotic system provided a safer, more efficient alternative to the grueling manual standard.Every vessel was visualized clearly. Every procedure was completed without a single mechanical hiccup.Robotic assistance produced high-quality imaging that met all diagnostic requirements for conditions such as aneurysms and arterial stenosis.“No differences were observed between the two groups in fluoroscopy time, patient radiation dose, contrast agent dose or total angiography room time,” said Dr. Zhao Yuanli, a cerebrovascular surgeon in China.Dr. Zhao characterizes the study as an exploratory, single-center case series, acknowledging that its findings are based on a limited patient cohort. The initial results are promising, but he emphasizes that larger, multicenter controlled trials are essential to fully validate the robot‘s performance and safety across a broader medical landscape.The findings were published in the Chinese Neurosurgical Journal on January 30.
Brain Disease Brain Imaging Cerebral Angiography. Health Robot Robotic Procedure
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