BRPI0806160A2 - cateter com ponta ótica onidirecional dotado de trajetos óticos isolados - Google Patents

cateter com ponta ótica onidirecional dotado de trajetos óticos isolados

Info

Publication number
BRPI0806160A2
BRPI0806160A2 BRPI0806160-2A BRPI0806160A BRPI0806160A2 BR PI0806160 A2 BRPI0806160 A2 BR PI0806160A2 BR PI0806160 A BRPI0806160 A BR PI0806160A BR PI0806160 A2 BRPI0806160 A2 BR PI0806160A2
Authority
BR
Brazil
Prior art keywords
light
catheter
inner layer
tissue
hollow cavity
Prior art date
Application number
BRPI0806160-2A
Other languages
English (en)
Inventor
James K Lee
Chad Allen Lieber
Michael Olen Zirkle
Original Assignee
Biosense Webster Inc
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 Biosense Webster Inc filed Critical Biosense Webster Inc
Publication of BRPI0806160A2 publication Critical patent/BRPI0806160A2/pt

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
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A61B18/14—Probes or electrodes therefor
    • A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
    • 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
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00773—Sensed parameters
    • A61B2018/00791—Temperature
    • A61B2018/00815—Temperature measured by a thermistor
    • 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
    • A61B2018/00636—Sensing and controlling the application of energy
    • A61B2018/00773—Sensed parameters
    • A61B2018/00791—Temperature
    • A61B2018/00821—Temperature measured by a thermocouple
    • 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
    • A61B2018/00982—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body combined with or comprising means for visual or photographic inspections inside the body, e.g. endoscopes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
    • A61B2034/2046—Tracking techniques
    • A61B2034/2051—Electromagnetic tracking systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B90/361—Image-producing devices, e.g. surgical cameras
    • A61B2090/3614—Image-producing devices, e.g. surgical cameras using optical fibre
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2218/00—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2218/001—Details of surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body having means for irrigation and/or aspiration of substances to and/or from the surgical site
    • A61B2218/002—Irrigation

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Cardiology (AREA)
  • Plasma & Fusion (AREA)
  • Pathology (AREA)
  • Otolaryngology (AREA)
  • Biophysics (AREA)
  • Surgical Instruments (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Laser Surgery Devices (AREA)
  • Endoscopes (AREA)

Abstract

CATETER COM PONTA óTICA ONIDIRECIONAL DOTADO DE TRAJETOS óTICOS ISOLADOS. A presente invenção refere-se a um cateter que permite medições de luz em tempo real, por exemplo, sem limitação, refletância difusa, fluorescência, etc., a partir de materiais biológicos, tais como tecido (incluindo sangue), enquanto realiza ablação por RF. A configuração da ponta do cateter isola os trajetos de iluminação e de coleta de modo que a luz sai pela ponta do cateter e percorre através do tecido de interesse (por exemplo, tecido cardíaco ou sangue) antes de retornar para a ponta do cateter. A referida configuração vantajosamente evita a saturação do detector ótico, e garante a difusão da luz de iluminação dentro do meio de interesse. O cateter é dotado de um corpo de cateter e um eletrodo de ponta. O eletrodo de ponta é dotado de um invólucro externo, uma camada interna de material difuso e uma cavidade oca, em que a camada interna é configurada para transmitir luz para fora do eletrodo de ponta a um tecido por meio de um conjunto de aberturas de iluminação na parede do invólucro e a cavidade oca é configurada para receber luz a partir do tecido por meio de um conjunto de aberturas de coleta na parede do invólucro e a camada interna. Uma superfície interna da camada interna é dotada de um revestimento opaco para isolar a luz injetada na camada interna a partir da luz coletada na cavidade oca. Há um primeiro guia de onda ótico que se estende entre o corpo de cateter e o eletrodo de ponta para injetar a luz dentro da camada interna e iluminar o tecido, e um segundo guia de onda ótico que se estende entre o corpo de cateter e o eletrodo de ponta para coletar a luz recapturada na cavidade oca.
BRPI0806160-2A 2007-11-16 2008-11-17 cateter com ponta ótica onidirecional dotado de trajetos óticos isolados BRPI0806160A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/941,884 US8500730B2 (en) 2007-11-16 2007-11-16 Catheter with omni-directional optical tip having isolated optical paths

Publications (1)

Publication Number Publication Date
BRPI0806160A2 true BRPI0806160A2 (pt) 2009-11-17

Family

ID=40513416

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0806160-2A BRPI0806160A2 (pt) 2007-11-16 2008-11-17 cateter com ponta ótica onidirecional dotado de trajetos óticos isolados

Country Status (8)

Country Link
US (1) US8500730B2 (pt)
EP (2) EP2062545B1 (pt)
JP (1) JP5550826B2 (pt)
CN (1) CN101617957B (pt)
BR (1) BRPI0806160A2 (pt)
CA (1) CA2643915C (pt)
MX (1) MX2008014731A (pt)
RU (1) RU2491014C2 (pt)

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RU2008145034A (ru) 2010-05-20
EP2062545B1 (en) 2012-02-01
JP2009148550A (ja) 2009-07-09
JP5550826B2 (ja) 2014-07-16
EP2062545A2 (en) 2009-05-27
MX2008014731A (es) 2009-05-22
US8500730B2 (en) 2013-08-06
CN101617957A (zh) 2010-01-06
CA2643915A1 (en) 2009-05-16
EP2062545A3 (en) 2009-08-12
RU2491014C2 (ru) 2013-08-27
CN101617957B (zh) 2013-05-08
US20090131931A1 (en) 2009-05-21
CA2643915C (en) 2017-12-12
EP2208475B1 (en) 2011-09-28

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