1 July 2015 Polymer fiber Bragg grating force sensors for minimally invasive surgical devices
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Proceedings Volume 9655, Fifth Asia-Pacific Optical Sensors Conference; 96551E (2015) https://doi.org/10.1117/12.2184117
Event: Fifth Asia Pacific Optical Sensors Conference, 2015, Jeju, Korea, Republic of
Abstract
A feasibility study on using polymer fiber Bragg sensors (PFBG) for providing force feedback to minimally invasive surgical devices is carried out. For this purpose a 3 mm long PFBG is fabricated and characterized for strain and temperature sensitivities. The PFBG sensor is then integrated onto a commercial laparoscopic clip applicator which is used as a proof of concept device. The force characterization of the clip applicator is carried out, with a replica setup which simulates the clip forming process of the device. An original clip is then formed without and with synthetic tissue samples of different hardness. The replica device force profile and original clip forming force profile follows the same pattern and thus the calibration data can be used to calculate the original force exerting on the tissues which can help in optimizing the clip formation process or can be used for providing force feedback capability to the device.
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Ginu Rajan, Ginu Rajan, Sunish Mathews, Sunish Mathews, Dean Callaghan, Dean Callaghan, Gerald Farrell, Gerald Farrell, Gang-Ding Peng, Gang-Ding Peng, } "Polymer fiber Bragg grating force sensors for minimally invasive surgical devices", Proc. SPIE 9655, Fifth Asia-Pacific Optical Sensors Conference, 96551E (1 July 2015); doi: 10.1117/12.2184117; https://doi.org/10.1117/12.2184117
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