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Background <p>The hinotori™ surgical robot system is the second Japanese-made surgical robotic system to be approved for use in thoracic surgery, following Saroa. Although the feasibility of robotic systems has been demonstrated primarily in the field of abdominal surgery, evidence for thoracic surgery remains scarce. This study aimed to evaluate the early clinical outcomes of anatomical pulmonary resections performed with this system and to assess its feasibility as a routine platform for thoracic oncology.</p> Methods <p>A prospective observational study was conducted, including 36 consecutive patients undergoing anatomical lung resection for primary lung cancer with the hinotori™ system between July 2024 and February 2026. Perioperative data were extracted from institutional records and were compared between experienced robotic surgeons and surgeons performing their first robotic surgery with the hinotori™ system.</p> Results <p>The average console and total operative times were 139.9&#xa0;min and 203.1&#xa0;min, respectively. The mean estimated blood loss was 68.3&#xa0;mL, and the average duration to chest drain removal was 4&#xa0;days. Major perioperative complications, corresponding to Clavien–Dindo grade III or higher were observed in four cases (11.1%) including persistent air leakage in three cases and cerebral infarction in one case. No complications due to hinotori™ use, and no 30-day mortality or readmission events occurred. Perioperative outcomes were comparable between experienced and inexperienced surgeons.</p> Conclusions <p>The hinotori™ surgical robot system enabled safe and reproducible anatomical lung resection for primary lung cancer indicating its potential for broader clinical use in thoracic surgery.</p>

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Early clinical outcomes of anatomical lung resection for primary lung cancer using the hinotori™ surgical robot system: a single-institution prospective observational study of perioperative outcomes in 36 cases

  • 期刊论文

  • 发表日期：

    2026年5月12日

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  • So Miyahara,
  • Yuichiro Ueda,
  • Shohei Mitsumata,
  • Shiro Kaneda,
  • Takuro Futamata,
  • Jyun-ichi Wakahara,
  • Kensuke Midorikawa,
  • Tsuyoshi Iwanaka,
  • Naoko Noda,
  • Yoshiko Masuda,
  • Hiroyasu Nakashima,
  • Ryu-ichi Waseda,
  • Toshihiko Sato

摘要

Background

The hinotori™ surgical robot system is the second Japanese-made surgical robotic system to be approved for use in thoracic surgery, following Saroa. Although the feasibility of robotic systems has been demonstrated primarily in the field of abdominal surgery, evidence for thoracic surgery remains scarce. This study aimed to evaluate the early clinical outcomes of anatomical pulmonary resections performed with this system and to assess its feasibility as a routine platform for thoracic oncology.

Methods

A prospective observational study was conducted, including 36 consecutive patients undergoing anatomical lung resection for primary lung cancer with the hinotori™ system between July 2024 and February 2026. Perioperative data were extracted from institutional records and were compared between experienced robotic surgeons and surgeons performing their first robotic surgery with the hinotori™ system.

Results

The average console and total operative times were 139.9 min and 203.1 min, respectively. The mean estimated blood loss was 68.3 mL, and the average duration to chest drain removal was 4 days. Major perioperative complications, corresponding to Clavien–Dindo grade III or higher were observed in four cases (11.1%) including persistent air leakage in three cases and cerebral infarction in one case. No complications due to hinotori™ use, and no 30-day mortality or readmission events occurred. Perioperative outcomes were comparable between experienced and inexperienced surgeons.

Conclusions

The hinotori™ surgical robot system enabled safe and reproducible anatomical lung resection for primary lung cancer indicating its potential for broader clinical use in thoracic surgery.