Combined Nd:YAG and Er:YAG lasers for real-time closed-loop tissue-specific laser osteotomy

Hamed Abbasi; Lina M. Beltrán Bernal; Arsham Hamidi; Antoine Droneau; Ferda Canbaz; Raphael Guzman; Steven L. Jacques; Philippe C. Cattin; Azhar Zam

doi:10.1364/BOE.385862

Combined Nd:YAG and Er:YAG lasers for real-time closed-loop tissue-specific laser osteotomy

Hamed Abbasi, Lina M. Beltrán Bernal, Arsham Hamidi, Antoine Droneau, Ferda Canbaz, Raphael Guzman, Steven L. Jacques, Philippe C. Cattin, Azhar Zam

Research output: Contribution to journal › Article › Academic › peer-review

9 Citations (Scopus)

Abstract

A novel real-time and non-destructive method for differentiating soft from hard tissue in laser osteotomy has been introduced and tested in a closed-loop fashion. Two laser beams were combined: a low energy frequency-doubled nanosecond Nd:YAG for detecting the type of tissue, and a high energy microsecond Er:YAG for ablating bone. The working principle is based on adjusting the energy of the Nd:YAG laser until it is low enough to create a microplasma in the hard tissue only (different energies are required to create plasma in different tissue types). Analyzing the light emitted from the generated microplasma enables real-time feedback to a shutter that prevents the Er:YAG laser from ablating the soft tissue.

Original language	English
Pages (from-to)	1790-1807
Number of pages	18
Journal	Biomedical Optics Express
Volume	11
Issue number	4
DOIs	https://doi.org/10.1364/BOE.385862
Publication status	Published - 1 Apr 2020
Externally published	Yes

Bibliographical note

Funding Information:
Werner Siemens Foundation through the Minimally Invasive Robot-Assisted Computer-guided LaserosteotomE (MIRACLE) project.

Publisher Copyright:
© 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

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Combined Nd,YAG and Er, YAG lasers for real-time closed-loop tissue-specific laser osteotomyFinal published version, 2.35 MB

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title = "Combined Nd:YAG and Er:YAG lasers for real-time closed-loop tissue-specific laser osteotomy",

abstract = "A novel real-time and non-destructive method for differentiating soft from hard tissue in laser osteotomy has been introduced and tested in a closed-loop fashion. Two laser beams were combined: a low energy frequency-doubled nanosecond Nd:YAG for detecting the type of tissue, and a high energy microsecond Er:YAG for ablating bone. The working principle is based on adjusting the energy of the Nd:YAG laser until it is low enough to create a microplasma in the hard tissue only (different energies are required to create plasma in different tissue types). Analyzing the light emitted from the generated microplasma enables real-time feedback to a shutter that prevents the Er:YAG laser from ablating the soft tissue.",

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note = "Funding Information: Werner Siemens Foundation through the Minimally Invasive Robot-Assisted Computer-guided LaserosteotomE (MIRACLE) project. Publisher Copyright: {\textcopyright} 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement",

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doi = "10.1364/BOE.385862",

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AU - Abbasi, Hamed

AU - Beltrán Bernal, Lina M.

AU - Hamidi, Arsham

AU - Droneau, Antoine

AU - Canbaz, Ferda

AU - Guzman, Raphael

AU - Jacques, Steven L.

AU - Cattin, Philippe C.

AU - Zam, Azhar

N1 - Funding Information: Werner Siemens Foundation through the Minimally Invasive Robot-Assisted Computer-guided LaserosteotomE (MIRACLE) project. Publisher Copyright: © 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

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N2 - A novel real-time and non-destructive method for differentiating soft from hard tissue in laser osteotomy has been introduced and tested in a closed-loop fashion. Two laser beams were combined: a low energy frequency-doubled nanosecond Nd:YAG for detecting the type of tissue, and a high energy microsecond Er:YAG for ablating bone. The working principle is based on adjusting the energy of the Nd:YAG laser until it is low enough to create a microplasma in the hard tissue only (different energies are required to create plasma in different tissue types). Analyzing the light emitted from the generated microplasma enables real-time feedback to a shutter that prevents the Er:YAG laser from ablating the soft tissue.

AB - A novel real-time and non-destructive method for differentiating soft from hard tissue in laser osteotomy has been introduced and tested in a closed-loop fashion. Two laser beams were combined: a low energy frequency-doubled nanosecond Nd:YAG for detecting the type of tissue, and a high energy microsecond Er:YAG for ablating bone. The working principle is based on adjusting the energy of the Nd:YAG laser until it is low enough to create a microplasma in the hard tissue only (different energies are required to create plasma in different tissue types). Analyzing the light emitted from the generated microplasma enables real-time feedback to a shutter that prevents the Er:YAG laser from ablating the soft tissue.

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Combined Nd:YAG and Er:YAG lasers for real-time closed-loop tissue-specific laser osteotomy

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