WO2007127228A3 - Fiber optic evaluation of tissue modification - Google Patents

Fiber optic evaluation of tissue modification Download PDF

Info

Publication number
WO2007127228A3
WO2007127228A3 PCT/US2007/009989 US2007009989W WO2007127228A3 WO 2007127228 A3 WO2007127228 A3 WO 2007127228A3 US 2007009989 W US2007009989 W US 2007009989W WO 2007127228 A3 WO2007127228 A3 WO 2007127228A3
Authority
WO
WIPO (PCT)
Prior art keywords
tissue modification
fiber optic
tissue
evaluate
optic evaluation
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.)
Ceased
Application number
PCT/US2007/009989
Other languages
French (fr)
Other versions
WO2007127228A2 (en
Inventor
Shiva G Sharareh
Stavros Demos
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 California Berkeley
University of California, San Diego
Original Assignee
University of California Berkeley
University of California, San Diego
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 California Berkeley, University of California, San Diego filed Critical University of California Berkeley
Priority to CA2650484A priority Critical patent/CA2650484C/en
Priority to CN2007800245971A priority patent/CN101563018B/en
Priority to JP2009507770A priority patent/JP5214589B2/en
Priority to MX2008013813A priority patent/MX2008013813A/en
Priority to EP07776150.0A priority patent/EP2015672B1/en
Priority to BRPI0710871A priority patent/BRPI0710871B8/en
Publication of WO2007127228A2 publication Critical patent/WO2007127228A2/en
Publication of WO2007127228A3 publication Critical patent/WO2007127228A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
    • A61B18/22—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • 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
    • A61B5/0075—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
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • 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
    • A61B5/0082—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
    • A61B5/0084—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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • 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
    • A61B5/0082—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
    • A61B5/0084—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
    • 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
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00022—Sensing or detecting at the treatment site
    • A61B2017/00057—Light
    • A61B2017/00061—Light spectrum

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Engineering & Computer Science (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Otolaryngology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Surgical Instruments (AREA)
  • Laser Surgery Devices (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

An optical method and apparatus is utilized to evaluate the presence of tissue modification, in particular, to evaluate tissue ablation using light scattering spectroscopy realized via optical fiber(s). Such a technique allows for detection of the presence of tissue modification and provides depth information, such as, for example, depth of an ablated lesion. The method and apparatus as described herein can be used for in- vivo, real-time monitoring during predetermined procedures, such as, cardiac tissue ablation for therapeutic reasons.
PCT/US2007/009989 2006-04-27 2007-04-24 Fiber optic evaluation of tissue modification Ceased WO2007127228A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CA2650484A CA2650484C (en) 2006-04-27 2007-04-24 Fiber optic evaluation of tissue modification
CN2007800245971A CN101563018B (en) 2006-04-27 2007-04-24 Fiber optic evaluation of tissue modification
JP2009507770A JP5214589B2 (en) 2006-04-27 2007-04-24 Tissue variation measurement using optical fiber
MX2008013813A MX2008013813A (en) 2006-04-27 2007-04-24 Fiber optic evaluation of tissue modification.
EP07776150.0A EP2015672B1 (en) 2006-04-27 2007-04-24 Fiber optic evaluation of tissue modification
BRPI0710871A BRPI0710871B8 (en) 2006-04-27 2007-04-24 fabric modification fiber optic evaluation device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/414,009 2006-04-27
US11/414,009 US20060229515A1 (en) 2004-11-17 2006-04-27 Fiber optic evaluation of tissue modification

Publications (2)

Publication Number Publication Date
WO2007127228A2 WO2007127228A2 (en) 2007-11-08
WO2007127228A3 true WO2007127228A3 (en) 2008-01-03

Family

ID=38578468

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2007/009989 Ceased WO2007127228A2 (en) 2006-04-27 2007-04-24 Fiber optic evaluation of tissue modification

Country Status (9)

Country Link
US (1) US20060229515A1 (en)
EP (1) EP2015672B1 (en)
JP (1) JP5214589B2 (en)
CN (1) CN101563018B (en)
BR (1) BRPI0710871B8 (en)
CA (1) CA2650484C (en)
MX (1) MX2008013813A (en)
RU (1) RU2445041C2 (en)
WO (1) WO2007127228A2 (en)

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Also Published As

Publication number Publication date
MX2008013813A (en) 2009-04-01
RU2445041C2 (en) 2012-03-20
CN101563018B (en) 2013-10-16
EP2015672B1 (en) 2016-07-27
BRPI0710871B1 (en) 2019-03-26
BRPI0710871B8 (en) 2021-06-22
JP2009535098A (en) 2009-10-01
US20060229515A1 (en) 2006-10-12
EP2015672A2 (en) 2009-01-21
CA2650484A1 (en) 2007-11-08
BRPI0710871A2 (en) 2012-09-04
CN101563018A (en) 2009-10-21
WO2007127228A2 (en) 2007-11-08
RU2008146739A (en) 2010-06-10
CA2650484C (en) 2016-02-16
JP5214589B2 (en) 2013-06-19

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