CA2534477A1 - Integrated optical scanning image acquisiting and display - Google Patents

Integrated optical scanning image acquisiting and display Download PDF

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Publication number
CA2534477A1
CA2534477A1 CA002534477A CA2534477A CA2534477A1 CA 2534477 A1 CA2534477 A1 CA 2534477A1 CA 002534477 A CA002534477 A CA 002534477A CA 2534477 A CA2534477 A CA 2534477A CA 2534477 A1 CA2534477 A1 CA 2534477A1
Authority
CA
Canada
Prior art keywords
roi
cantilever
display
image
free end
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA002534477A
Other languages
French (fr)
Inventor
Wei-Chih Wang
Eric J. Seibel
Per G. Reinhall
Mark E. Fauver
Chris M. Brown
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Washington
Original Assignee
University Of Washington
Wei-Chih Wang
Eric J. Seibel
Per G. Reinhall
Mark E. Fauver
Chris M. Brown
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by University Of Washington, Wei-Chih Wang, Eric J. Seibel, Per G. Reinhall, Mark E. Fauver, Chris M. Brown filed Critical University Of Washington
Publication of CA2534477A1 publication Critical patent/CA2534477A1/en
Abandoned legal-status Critical Current

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Classifications

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    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0062—Arrangements for scanning
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00002—Operational features of endoscopes
    • A61B1/00043—Operational features of endoscopes provided with output arrangements
    • A61B1/00045—Display arrangement
    • A61B1/00048—Constructional features of the display
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    • A—HUMAN NECESSITIES
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    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
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    • A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
    • A61B1/043—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances for fluorescence imaging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
    • A61B1/063—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements for monochromatic or narrow-band illumination
    • A—HUMAN NECESSITIES
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    • A61B5/0062—Arrangements for scanning
    • A61B5/0066—Optical coherence imaging
    • A—HUMAN NECESSITIES
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    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
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    • A61B5/0062—Arrangements for scanning
    • A61B5/0068—Confocal scanning
    • A—HUMAN NECESSITIES
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    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0071—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence by measuring fluorescence emission
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    • A61B5/0075—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence by spectroscopy, i.e. measuring spectra, e.g. Raman spectroscopy, infrared absorption spectroscopy
    • A—HUMAN NECESSITIES
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    • A61B5/0086—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for introduction into the body, e.g. by catheters using infrared radiation
    • A—HUMAN NECESSITIES
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    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
    • A61B5/1076—Measuring physical dimensions, e.g. size of the entire body or parts thereof for measuring dimensions inside body cavities, e.g. using catheters
    • A—HUMAN NECESSITIES
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    • G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
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    • G02B6/3502—Optical coupling means having switching means involving direct waveguide displacement, e.g. cantilever type waveguide displacement involving waveguide bending, or displacing an interposed waveguide between stationary waveguides
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    • G02B6/35—Optical coupling means having switching means
    • G02B6/3564—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details
    • G02B6/3566—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details involving bending a beam, e.g. with cantilever
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    • G02B6/3564—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details
    • G02B6/3568—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details characterised by the actuating force
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    • G02B6/26—Optical coupling means
    • G02B6/35—Optical coupling means having switching means
    • G02B6/3564—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details
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    • G02B6/3578—Piezoelectric force

Abstract

An apparatus and method for providing image acquisition and/or image display in a limited region of interest (ROI). The apparatus comprises a micro electromechanical system (MEMS), preferably integrating a light source, a cantilever, a lens, an actuator, a light detector, and a position sensor. The light source provides light for illuminating the ROI, displaying an image, providing a therapy, and/or performing other functions. The cantilever comprises a resin waveguide with a fixed end attached to a substrate that supports many or all other components. A free end of the cantilever is released from the substrate during fabrication and includes the lens. The actuator scans the free end in orthogonal directions to illuminate the ROI or display an image. The position sensors detect the position of the free end for control. The light detector receives light backscattered from the ROI separate from, or at the fixed end the cantilever.

Claims
CA002534477A 2003-09-04 2004-09-03 Integrated optical scanning image acquisiting and display Abandoned CA2534477A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/655,482 US7555333B2 (en) 2000-06-19 2003-09-04 Integrated optical scanning image acquisition and display
US10/655,482 2003-09-04
PCT/US2004/029295 WO2005024496A2 (en) 2003-09-04 2004-09-03 Integrated optical scanning image acquisiting and display

Publications (1)

Publication Number Publication Date
CA2534477A1 true CA2534477A1 (en) 2005-03-17

Family

ID=34273461

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002534477A Abandoned CA2534477A1 (en) 2003-09-04 2004-09-03 Integrated optical scanning image acquisiting and display

Country Status (6)

Country Link
US (2) US7555333B2 (en)
EP (1) EP1671176A4 (en)
JP (1) JP2007503938A (en)
AU (1) AU2004269796A1 (en)
CA (1) CA2534477A1 (en)
WO (1) WO2005024496A2 (en)

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