Spectrally encoded fiber-based structured lighting probe for intraoperative 3D imaging
Identifieur interne : 002949 ( Main/Curation ); précédent : 002948; suivant : 002950Spectrally encoded fiber-based structured lighting probe for intraoperative 3D imaging
Auteurs : Neil T. Clancy [Royaume-Uni] ; Danail Stoyanov [Royaume-Uni] ; Lena Maier-Hein [Allemagne] ; Anja Groch [Allemagne] ; Guang-Zhong Yang [Royaume-Uni] ; Daniel S. Elson [Royaume-Uni]Source :
- Biomedical Optics Express [ 2156-7085 ] ; 2011.
Abstract
Three dimensional quantification of organ shape and structure during minimally invasive surgery (MIS) could enhance precision by allowing the registration of multi-modal or pre-operative image data (US/MRI/CT) with the live optical image. Structured illumination is one technique to obtain 3D information through the projection of a known pattern onto the tissue, although currently these systems tend to be used only for macroscopic imaging or open procedures rather than in endoscopy. To account for occlusions, where a projected feature may be hidden from view and/or confused with a neighboring point, a flexible multispectral structured illumination probe has been developed that labels each projected point with a specific wavelength using a supercontinuum laser. When imaged by a standard endoscope camera they can then be segmented using their RGB values, and their 3D coordinates calculated after camera calibration. The probe itself is sufficiently small (1.7 mm diameter) to allow it to be used in the biopsy channel of commonly used medical endoscopes. Surgical robots could therefore also employ this technology to solve navigation and visualization problems in MIS, and help to develop advanced surgical procedures such as natural orifice translumenal endoscopic surgery.
Url:
DOI: 10.1364/BOE.2.003119
PubMed: 22076272
PubMed Central: 3207380
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Clancy</name><affiliation wicri:level="1"><nlm:aff id="aff1">Hamlyn Centre for Robotic Surgery, Institute of Global Health Innovation, Imperial College London, SW7 2AZ,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation><affiliation wicri:level="1"><nlm:aff id="aff2">Department of Surgery and Cancer, Imperial College London, SW7 2AZ,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Stoyanov, Danail" sort="Stoyanov, Danail" uniqKey="Stoyanov D" first="Danail" last="Stoyanov">Danail Stoyanov</name><affiliation wicri:level="1"><nlm:aff id="aff1">Hamlyn Centre for Robotic Surgery, Institute of Global Health Innovation, Imperial College London, SW7 2AZ,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation><affiliation wicri:level="1"><nlm:aff id="aff3">Department of Computing, Imperial College London, SW7 2AZ,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Maier Hein, Lena" sort="Maier Hein, Lena" uniqKey="Maier Hein L" first="Lena" last="Maier-Hein">Lena Maier-Hein</name><affiliation wicri:level="1"><nlm:aff id="aff4">German Cancer Research Center, Div. 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Clancy</name><affiliation wicri:level="1"><nlm:aff id="aff1">Hamlyn Centre for Robotic Surgery, Institute of Global Health Innovation, Imperial College London, SW7 2AZ,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation><affiliation wicri:level="1"><nlm:aff id="aff2">Department of Surgery and Cancer, Imperial College London, SW7 2AZ,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Stoyanov, Danail" sort="Stoyanov, Danail" uniqKey="Stoyanov D" first="Danail" last="Stoyanov">Danail Stoyanov</name><affiliation wicri:level="1"><nlm:aff id="aff1">Hamlyn Centre for Robotic Surgery, Institute of Global Health Innovation, Imperial College London, SW7 2AZ,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation><affiliation wicri:level="1"><nlm:aff id="aff3">Department of Computing, Imperial College London, SW7 2AZ,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Maier Hein, Lena" sort="Maier Hein, Lena" uniqKey="Maier Hein L" first="Lena" last="Maier-Hein">Lena Maier-Hein</name><affiliation wicri:level="1"><nlm:aff id="aff4">German Cancer Research Center, Div. 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Medical and Biological Informatics, D-69120, Heidelberg,<country>Germany</country></nlm:aff><country xml:lang="fr">Allemagne</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Yang, Guang Zhong" sort="Yang, Guang Zhong" uniqKey="Yang G" first="Guang-Zhong" last="Yang">Guang-Zhong Yang</name><affiliation wicri:level="1"><nlm:aff id="aff1">Hamlyn Centre for Robotic Surgery, Institute of Global Health Innovation, Imperial College London, SW7 2AZ,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation><affiliation wicri:level="1"><nlm:aff id="aff3">Department of Computing, Imperial College London, SW7 2AZ,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Elson, Daniel S" sort="Elson, Daniel S" uniqKey="Elson D" first="Daniel S." last="Elson">Daniel S. Elson</name><affiliation wicri:level="1"><nlm:aff id="aff1">Hamlyn Centre for Robotic Surgery, Institute of Global Health Innovation, Imperial College London, SW7 2AZ,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation><affiliation wicri:level="1"><nlm:aff id="aff2">Department of Surgery and Cancer, Imperial College London, SW7 2AZ,<country>UK</country></nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author></analytic><series><title level="j">Biomedical Optics Express</title><idno type="eISSN">2156-7085</idno><imprint><date when="2011">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>Three dimensional quantification of organ shape and structure during minimally invasive surgery (MIS) could enhance precision by allowing the registration of multi-modal or pre-operative image data (US/MRI/CT) with the live optical image. Structured illumination is one technique to obtain 3D information through the projection of a known pattern onto the tissue, although currently these systems tend to be used only for macroscopic imaging or open procedures rather than in endoscopy. To account for occlusions, where a projected feature may be hidden from view and/or confused with a neighboring point, a flexible multispectral structured illumination probe has been developed that labels each projected point with a specific wavelength using a supercontinuum laser. When imaged by a standard endoscope camera they can then be segmented using their RGB values, and their 3D coordinates calculated after camera calibration. The probe itself is sufficiently small (1.7 mm diameter) to allow it to be used in the biopsy channel of commonly used medical endoscopes. Surgical robots could therefore also employ this technology to solve navigation and visualization problems in MIS, and help to develop advanced surgical procedures such as natural orifice translumenal endoscopic surgery.</p></div></front><back><div1 type="bibliography"><listBibl><biblStruct></biblStruct><biblStruct><analytic><author><name sortKey="Voros, S" uniqKey="Voros S">S. Voros</name></author><author><name sortKey="Long, J A" uniqKey="Long J">J.-A. Long</name></author><author><name sortKey="Cinquin, P" uniqKey="Cinquin P">P. Cinquin</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Schwartz, J J" uniqKey="Schwartz J">J. J. Schwartz</name></author><author><name sortKey="Lichtenstein, G R" uniqKey="Lichtenstein G">G. R. Lichtenstein</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Kato, S" uniqKey="Kato S">S. Kato</name></author><author><name sortKey="Fu, K I" uniqKey="Fu K">K. I. 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