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Ulgen NO, Uzun D, Kocaturk O. Phantom study of a fiber optic force sensor design for biopsy needles under MRI. Biomed Opt Express. 2018;10(1):242-251doi: 10.1364/BOE.10.000242.
Ulgen, N. O., Uzun, D., & Kocaturk, O. (2019). Phantom study of a fiber optic force sensor design for biopsy needles under MRI. Biomedical optics express, 10(1), 242-251. https://doi.org/10.1364/BOE.10.000242
Ulgen, Nurettın Okan, et al. "Phantom study of a fiber optic force sensor design for biopsy needles under MRI." Biomedical optics express vol. 10,1 (2019): 242-251. doi: https://doi.org/10.1364/BOE.10.000242
Ulgen NO, Uzun D, Kocaturk O. Phantom study of a fiber optic force sensor design for biopsy needles under MRI. Biomed Opt Express. 2018 Dec 18;10(1):242-251. doi: 10.1364/BOE.10.000242. eCollection 2019 Jan 01. PMID: 30775097; PMCID: PMC6363210.
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Biomed Opt Express. 2018 Dec 18;10(1):242-251. doi: 10.1364/BOE.10.000242. eCollection 2019 Jan 01.

Phantom study of a fiber optic force sensor design for biopsy needles under MRI.

Biomedical optics express

Nurettın Okan Ulgen, Dogangun Uzun, Ozgur Kocaturk

Affiliations

  1. Institute of Biomedical Engineering, Bogazici University, Istanbul, Turkey.

PMID: 30775097 PMCID: PMC6363210 DOI: 10.1364/BOE.10.000242

Abstract

Biopsy needles with embedded force sensors can eliminate the needle deflection and the needle targeting failure risks during MRI guided biopsy procedures. Fabry-Pérot interferometry (FPI) based sensors are small, compact and immune to electromagnetic and RF interferences, and therefore they are suitable for needle guidance under MRI. In this work, an FPI based fiber optic force sensor design and its integration to an 18-gauge MRI compatible biopsy needle are presented. The custom designed FPI sensor provides a force measurement range up to 13 N with a resolution of 0.1 N through benchtop experiments. The MRI compatibility of the sensor was evaluated using a commercially available prostate phantom under MRI.

Conflict of interest statement

The authors declare that there are no conflicts of interest related to this article.

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