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Force-Sensing Silicone Retractor for Attachment to Surgical Suction Pipes

Institute of Science and Engineering, Kanazawa University, Kanazawa 9201192, Japan
Faculuty of Medicine, Kanazawa University, Kanazawa 9200934, Japan
Author to whom correspondence should be addressed.
This paper is an extended one of a conference paper. Toshio Koyama, Takanobu Iwai, Takeshi Yoneyama, Hiroyuki Kagawa, Mitsutoshi Nakada, Yutaka Hayashi, and Tetsuyou Watanabe. Silicone Retractor with Embedded Force-Sensing Function for Attachment to Surgical Suction Pipes. In the Proceeding of the IEEE/ASME International Conference on Advanced Intelligent Mechatronics (AIM), Busan, Korea, 7–11 July 2015; pp. 145–150.
Academic Editor: Vittorio Passaro
Sensors 2016, 16(7), 1133;
Received: 2 June 2016 / Revised: 13 July 2016 / Accepted: 15 July 2016 / Published: 21 July 2016
(This article belongs to the Section Physical Sensors)
This paper presents a novel force-sensing silicone retractor that can be attached to a surgical suction pipe to improve the usability of the suction and retraction functions during neurosurgery. The retractor enables simultaneous utilization of three functions: suction, retraction, and retraction-force sensing. The retractor also reduces the number of tool changes and ensures safe retraction through visualization of the magnitude of the retraction force. The proposed force-sensing system is based on a force visualization mechanism through which the force is displayed in the form of motion of a colored pole. This enables surgeons to estimate the retraction force. When a fiberscope or camera is present, the retractor enables measurement of the retraction force with a resolution of 0.05 N. The retractor has advantages of being disposable, inexpensive, and easy to sterilize or disinfect. Finite element analysis and experiments demonstrate the validity of the proposed force-sensing system. View Full-Text
Keywords: force sensor; retraction; suction; force visualization mechanism force sensor; retraction; suction; force visualization mechanism
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Watanabe, T.; Koyama, T.; Yoneyama, T.; Nakada, M. Force-Sensing Silicone Retractor for Attachment to Surgical Suction Pipes. Sensors 2016, 16, 1133.

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