EdenteV1, Main, Exploration, bibRecord, 000E74

Towards a bimodal proximity sensor for in situ neurovascular bundle detection during dental implant surgery

Identifieur interne : 000E74 ( Main/Exploration ); précédent : 000E73; suivant : 000E75

Towards a bimodal proximity sensor for in situ neurovascular bundle detection during dental implant surgery

Auteurs : Jessie R. Weber [Canada] ; François Baribeau [Canada] ; Paul Grenier [Canada] ; Frédéric Émond [Canada] ; Sylvain Dubois [Canada] ; François Duchesne [Canada] ; Marc Girard [Canada] ; Timothy Pope [Canada] ; Pascal Gallant [Canada] ; Ozzy Mermut [Canada] ; Hassan Ghaderi Moghadam [Canada]

Source :

Biomedical Optics Express [ 2156-7085 ] ; 2013.

RBID : PMC:3891329

Abstract

Proof of concept results are presented towards an in situ bimodal proximity sensor for neurovascular bundle detection during dental implant surgery using combined near infrared absorption (NIR) and optical coherence tomography (OCT) techniques. These modalities are shown to have different sensitivity to the proximity of optical contrast from neurovascular bundles. NIR AC and DC signals from the pulsing of an artery enable qualitative ranging of the bundle in the millimeter range, with best sensitivity around 0.5-3mm distance in a custom phantom setup. OCT provides structural mapping of the neurovascular bundle at sub-millimeter distances in an ex vivo human jaw bone. Combining the two techniques suggests a novel ranging system for the surgeon that could be implemented in a “smart drill.” The proximity to the neurovascular bundle can be tracked in real time in the range of a few millimeters with NIR signals, after which higher resolution imaging OCT to provide finer ranging in the sub-millimeter distances.

Url:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3891329

DOI: 10.1364/BOE.5.000016
PubMed: 24466473
PubMed Central: 3891329

Affiliations:

Canada

Le document en format XML

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<author><name sortKey="Mermut, Ozzy" sort="Mermut, Ozzy" uniqKey="Mermut O" first="Ozzy" last="Mermut">Ozzy Mermut</name>
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<author><name sortKey="Moghadam, Hassan Ghaderi" sort="Moghadam, Hassan Ghaderi" uniqKey="Moghadam H" first="Hassan Ghaderi" last="Moghadam">Hassan Ghaderi Moghadam</name>
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<front><div type="abstract" xml:lang="en"><p>Proof of concept results are presented towards an <italic>in situ</italic>
 bimodal proximity sensor for neurovascular bundle detection during dental implant surgery using combined near infrared absorption (NIR) and optical coherence tomography (OCT) techniques. These modalities are shown to have different sensitivity to the proximity of optical contrast from neurovascular bundles. NIR AC and DC signals from the pulsing of an artery enable qualitative ranging of the bundle in the millimeter range, with best sensitivity around 0.5-3mm distance in a custom phantom setup. OCT provides structural mapping of the neurovascular bundle at sub-millimeter distances in an <italic>ex vivo</italic>
 human jaw bone. Combining the two techniques suggests a novel ranging system for the surgeon that could be implemented in a “smart drill.” The proximity to the neurovascular bundle can be tracked in real time in the range of a few millimeters with NIR signals, after which higher resolution imaging OCT to provide finer ranging in the sub-millimeter distances.</p>
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<name sortKey="Baribeau, Francois" sort="Baribeau, Francois" uniqKey="Baribeau F" first="François" last="Baribeau">François Baribeau</name>
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Serveur d'exploration sur le patient édenté (maquette)

Towards a bimodal proximity sensor for in situ neurovascular bundle detection during dental implant surgery

Towards a bimodal proximity sensor for in situ neurovascular bundle detection during dental implant surgery

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Abstract

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