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Japanese Journal of Clinical Oncology Advance Access originally published online on November 8, 2005
Japanese Journal of Clinical Oncology 2005 35(11):667-671; doi:10.1093/jjco/hyi177
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© 2005 Foundation for Promotion of Cancer Research

A Flexible Endoscopic Surgical System: First Report on a Conceptual Design of the System Validated by Experiments

Toshiaki Kobayashi1, Sean Lemoine1,2, Akihiko Sugawara1,2, Takaaki Tsuchida1, Takuji Gotoda1, Ichiro Oda1, Hirohisa Ueda3 and Tadao Kakizoe1

1 National Cancer Center, 2 Japan Association for the Advancement of Medical Equipment and 3 Pentax Corporation, Tokyo, Japan

For reprints and all correspondence: Toshiaki Kobayashi, Cancer Screening Technology Division, Research Center for Cancer Prevention and Screening, National Cancer Center, 1-1, Tsukiji 5-chome, Chuo-ku, Tokyo 104-0045, Japan. E-mail: tkobayas{at}ncc.go.jp

Received May 17, 2005; accepted August 25, 2005

Background: Surgery is a standard diagnostic and therapeutic procedure. However, its technical difficulty and invasiveness pose problems that are yet to be solved even by current surgical robots. Flexible endoscopes can access regions deep inside the body with less invasiveness than surgical approaches. Conceptually, this ability can be a solution to some of the surgical problems.

Methods: A flexible (surgical) endoscopic surgical system was developed consisting of an outer and two inner endoscopes introduced through two larger working channels of the outer endoscope. The concept of the system as a surgical instrument was assessed by animal experiments.

Results: Gastric mucosa of the swine could be successfully resected using the flexible endoscopic surgical system, thereby showing us the prospect and directions for further development of the system.

Conclusion: The concept of a flexible endoscopic surgical system is considered to offer some solutions for problems in surgery.

Key Words: surgical robot • endoscopic surgery • surgery • robotics • endoscope


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