Minimally invasive therapy & allied technologies : MITAT : official journal of the Society for Minimally Invasive Therapy · 2026
Console surgeon-controlled suction and coagulation during robot-assisted hepatectomy: early clinical evaluation of new flexible suction/coagulation probe.
СтатьяНазвание и аннотация: Перевод в очереди
Обработка статьи · этапы, ошибки и управление
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Tomimaru Yoshito, Nakajima Kiyokazu, Gotohda Naoto, Ushimaru Yuki, Ban Namiko, Tagi Nobuaki, Hosaka Makoto, Hasegawa Shinichiro, Akita Hirofumi, Noda Takehiro, Kobayashi Shogo, Hata Taishi, Doki Yuichiro, Eguchi Hidetoshi
Аннотация
BACKGROUND: We recently developed a novel flexible suction/coagulation probe to overcome the rigidity of conventional electrosurgical probes, enabling simultaneous suction and coagulation from the console in robotic surgery. Although feasible in robot-assisted gastrectomy, its performance remains unevaluated in robot-assisted hepatectomy, which requires frequent suction and reliable hemostasis.
METHODS: This single-arm feasibility study included 12 consecutive patients undergoing robot-assisted hepatectomy using the probe, directly manipulated by the console surgeon for hemostasis during parenchymal transection. Surgical outcomes (operative time, estimated blood loss, device trouble, complications) were assessed. Surgeons completed a post-procedure questionnaire covering seven usability and performance domains on a 3-point Likert scale.
RESULTS: Robotic procedures included left hepatectomy, segmentectomies, and partial resections. All procedures were completed successfully without conversion. Median operative time was 397.5 min (range, 256-678 min), and estimated blood loss was 110 mL (range, 0-320 mL). No device-related adverse events or complications occurred. Overall satisfaction was rated 'satisfactory' by 75% of surgeons, with 'unsatisfactory' ratings occurring only for suction efficiency (16.7%).
CONCLUSIONS: The flexible suction/coagulation probe appears to be a practical and clinically feasible option for robot-assisted hepatectomy. Although the suction efficiency requires further improvement, the device enables direct console surgeon-controlled suction and hemostasis during hepatic parenchymal transection.
METHODS: This single-arm feasibility study included 12 consecutive patients undergoing robot-assisted hepatectomy using the probe, directly manipulated by the console surgeon for hemostasis during parenchymal transection. Surgical outcomes (operative time, estimated blood loss, device trouble, complications) were assessed. Surgeons completed a post-procedure questionnaire covering seven usability and performance domains on a 3-point Likert scale.
RESULTS: Robotic procedures included left hepatectomy, segmentectomies, and partial resections. All procedures were completed successfully without conversion. Median operative time was 397.5 min (range, 256-678 min), and estimated blood loss was 110 mL (range, 0-320 mL). No device-related adverse events or complications occurred. Overall satisfaction was rated 'satisfactory' by 75% of surgeons, with 'unsatisfactory' ratings occurring only for suction efficiency (16.7%).
CONCLUSIONS: The flexible suction/coagulation probe appears to be a practical and clinically feasible option for robot-assisted hepatectomy. Although the suction efficiency requires further improvement, the device enables direct console surgeon-controlled suction and hemostasis during hepatic parenchymal transection.