Development of optical fiber Bragg grating force-reflection sensor system of medical application for safe minimally invasive robotic surgery

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Force feedback plays a very important role in medical surgery. In minimally invasive surgery (MIS), however, the very long and stiff bars of surgical instruments greatly diminish force feedback for the surgeon. In the case of minimally invasive robotic surgery (MIRS), force feedback is totally eliminated. Previous researchers have reported that the absence of force feedback increased the average force magnitude applied to the tissue by at least 50%, and increased the peak force magnitude by at least a factor of two. Therefore, it is very important to provide force information in MIRS. Recently, many sensors are being developed for MIS and MIRS, but some obstacles to their application in actual medical surgery must be surmounted. The most critical problems are size limit and sterilizability. Optical fiber sensors are among the most suitable sensors for the surgical environment. The optical fiber Bragg grating (FBG) sensor, in particular, offers an important additional advantage over other optical fiber sensors in that it is not influenced by the intensity of the light source. In this paper, we present the initial results of a study on the application of a FBG sensor to measure reflected forces in MIRS environments and suggest the possibility of successful application to MIRS systems. (C) 2011 American Institute of Physics. [doi:10.1063/1.3606502]
Publisher
Amer Inst Physics
Issue Date
2011-07
Language
English
Article Type
Article
Keywords

FEEDBACK; TOOL

Citation

REVIEW OF SCIENTIFIC INSTRUMENTS, v.82, no.7

ISSN
0034-6748
URI
http://hdl.handle.net/10203/97469
Appears in Collection
ME-Journal Papers(저널논문)
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