BRPI0802232A2 - cateter de ablaÇço com ponta condutora oticamente transparente e eletricamente condutora - Google Patents

cateter de ablaÇço com ponta condutora oticamente transparente e eletricamente condutora

Info

Publication number
BRPI0802232A2
BRPI0802232A2 BRPI0802232-1A BRPI0802232A BRPI0802232A2 BR PI0802232 A2 BRPI0802232 A2 BR PI0802232A2 BR PI0802232 A BRPI0802232 A BR PI0802232A BR PI0802232 A2 BRPI0802232 A2 BR PI0802232A2
Authority
BR
Brazil
Prior art keywords
light
tissue
inner layer
catheter
electrode
Prior art date
Application number
BRPI0802232-1A
Other languages
English (en)
Inventor
Christopher Beeckler
Chad Allen Lieber
Shiva Sharareh
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 BRPI0802232A2 publication Critical patent/BRPI0802232A2/pt

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/14542—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring blood gases
    • 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
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1455—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters
    • A61B5/1459—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using optical sensors, e.g. spectral photometrical oximeters invasive, e.g. introduced into the body by a catheter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y5/00—Nanobiotechnology or nanomedicine, e.g. protein engineering or drug delivery
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00831—Material properties
    • A61B2017/0088—Material properties ceramic
    • 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
    • A61B2018/00053—Mechanical features of the instrument of device
    • A61B2018/00107—Coatings on the energy applicator
    • 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
    • A61B2018/00053—Mechanical features of the instrument of device
    • A61B2018/00107—Coatings on the energy applicator
    • A61B2018/00125—Coatings on the energy applicator with nanostructure
    • 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
    • A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
    • A61B2018/00345—Vascular system
    • A61B2018/00351—Heart
    • 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
    • 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
    • A61B90/30—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure
    • A61B2090/306—Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure using optical fibres
    • 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
    • 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
    • A61B90/37—Surgical systems with images on a monitor during operation
    • A61B2090/373—Surgical systems with images on a monitor during operation using light, e.g. by using optical scanners
    • 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
    • A61B90/37—Surgical systems with images on a monitor during operation
    • A61B2090/378—Surgical systems with images on a monitor during operation using ultrasound

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Medical Informatics (AREA)
  • Nanotechnology (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Biomedical Technology (AREA)
  • Biophysics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Pathology (AREA)
  • Optics & Photonics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Plasma & Fusion (AREA)
  • Composite Materials (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Otolaryngology (AREA)
  • Cardiology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Biotechnology (AREA)
  • General Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Surgical Instruments (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
  • Laser Surgery Devices (AREA)

Abstract

CATETER DE ABLAÇçO COM PONTA CONDUTORA OTICAM ENTE TRANSPARENTE E ELETRICAMENTE CONDUTORA. A presente invenção se refere a um cateter que permite mensurações de luz em tempo real, por exemplo, sem limitação, refletância difusa, fluorescência, etc., a partir de materiais biológicos, tal como tecido (incluindo sangue), enquanto realiza ablação por RF. A ponta do cateter isola os trajetos de iluminação e de coleta de modo que a luz sai da 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 apresenta um invólucro exterior, uma camada interna de material difuso e uma cavidade oca, onde a camada interna é configurada para transmitir luz para fora do eletrodo de ponta para o tecido por meio 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 camada interna. Uma superfície interna da camada interna apresenta um revestimento refletor para isolar a luz injetada dentro da camada interna a partir da luz coletada na cavidade oca. Há um primeiro guia de ondas óticas que se estende entre o corpo de cateter e o eletrodo de ponta para injetar luz dentro da camada interna e iluminar o tecido, e um segundo guia de ondas óticas que se estende entre o corpo de cateter e o eletrodo de ponta para coletar a luz recapturada na cavidade oca.
BRPI0802232-1A 2007-06-29 2008-06-30 cateter de ablaÇço com ponta condutora oticamente transparente e eletricamente condutora BRPI0802232A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/824,038 US8123745B2 (en) 2007-06-29 2007-06-29 Ablation catheter with optically transparent, electrically conductive tip

Publications (1)

Publication Number Publication Date
BRPI0802232A2 true BRPI0802232A2 (pt) 2009-02-25

Family

ID=39722558

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0802232-1A BRPI0802232A2 (pt) 2007-06-29 2008-06-30 cateter de ablaÇço com ponta condutora oticamente transparente e eletricamente condutora

Country Status (9)

Country Link
US (1) US8123745B2 (pt)
EP (1) EP2008603B1 (pt)
JP (1) JP5306722B2 (pt)
CN (1) CN101332120B (pt)
BR (1) BRPI0802232A2 (pt)
CA (1) CA2636482C (pt)
DE (1) DE602008002477D1 (pt)
MX (1) MX2008008618A (pt)
RU (1) RU2473319C2 (pt)

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RU2473319C2 (ru) 2013-01-27
CA2636482A1 (en) 2008-12-29
JP5306722B2 (ja) 2013-10-02
CN101332120B (zh) 2013-03-13
RU2008126323A (ru) 2010-01-10
US20090005773A1 (en) 2009-01-01
CN101332120A (zh) 2008-12-31
JP2009056289A (ja) 2009-03-19
CA2636482C (en) 2016-10-25
MX2008008618A (es) 2009-03-04
EP2008603A1 (en) 2008-12-31
DE602008002477D1 (de) 2010-10-28
US8123745B2 (en) 2012-02-28
EP2008603B1 (en) 2010-09-15

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