Miniature fiber-optic force sensor based on low-coherence Fabry-Pérot interferometry for vitreoretinal microsurgery.

Biomedical Optics Express
Xuan LiuJin U Kang

Abstract

During vitreoretinal surgery, the surgeon manipulates retinal tissue with tool-to-tissue interaction forces below the human sensory threshold. A force sensor (FS) integrated with conventional surgical tools may significantly improve the surgery outcome by providing tactile feedback to the surgeon. We designed and built a surgical tool integrated with a miniature FS with an outer diameter smaller than 1 mm for vitreoretinal surgery based on low-coherence Fabry-Pérot (FP) interferometry. The force sensing elements are located at the tool tip which is in direct contact with tissue during surgery and the FP cavity length is interrogated by a fiber-optic common-path phase-sensitive optical coherence tomography (OCT) system. We have calibrated the FS's response to axial and lateral forces and conducted experiments to verify that our FS can simultaneously measure both axial and lateral force components.

References

May 24, 2005·Optics Letters·Yan ZhangAnbo Wang
Dec 25, 2009·International Journal of Computer Assisted Radiology and Surgery·Iulian IordachitaRussell Taylor
Jul 1, 2010·IEEE Journal of Selected Topics in Quantum Electronics : a Publication of the IEEE Lasers and Electro-optics Society·Jin U KangPeter Gehlbach

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Citations

Jan 15, 2015·Biosensors·Paola SaccomandiEugenio Guglielmelli
Jul 18, 2015·Sensors·Sven PoeggelElfed Lewis
Oct 11, 2013·IEEE Transactions on Bio-medical Engineering·Xingchi HeIulian Iordachita
Jul 3, 2015·Biomedical Optics Express·Gyeong Woo CheonJin U Kang
Jul 28, 2016·Sensors·Tetsuyou WatanabeMitsutoshi Nakada
Apr 6, 2017·Sensors·Tetsuyou WatanabeMitsutoshi Nakada
Oct 23, 2013·Sensors·Fabrizio TaffoniEmiliano Schena
Mar 17, 2020·Biomedical Engineering Letters·Sumit GuptaAndrew Pedtke
May 7, 2019·Frontiers in Neurorobotics·Luca MassariKalind C Carpenter
Sep 16, 2020·Optics Letters·Simon Pevec, Denis Donlagic

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Methods Mentioned

BETA
force measurement
correct force measurement

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