BRPI0806160A2 - cateter com ponta ótica onidirecional dotado de trajetos óticos isolados - Google Patents
cateter com ponta ótica onidirecional dotado de trajetos óticos isoladosInfo
- 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
Links
Classifications
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- 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)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Plasma & Fusion (AREA)
- Cardiology (AREA)
- Otolaryngology (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Surgical Instruments (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Endoscopes (AREA)
- Laser Surgery Devices (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.
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) |
Families Citing this family (78)
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EP2381998B1 (en) | 2008-12-31 | 2018-04-25 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Optic-based contact sensing assembly and system |
DE102009025660A1 (de) * | 2009-06-17 | 2010-12-23 | Karl Storz Gmbh & Co. Kg | Endoskop mit einem Fenster und Verfahren zum Herstellen eines Endoskops |
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-
2007
- 2007-11-16 US US11/941,884 patent/US8500730B2/en active Active
-
2008
- 2008-11-14 RU RU2008145034/14A patent/RU2491014C2/ru active
- 2008-11-14 EP EP08253725A patent/EP2062545B1/en active Active
- 2008-11-14 JP JP2008291876A patent/JP5550826B2/ja not_active Expired - Fee Related
- 2008-11-14 EP EP10075155A patent/EP2208475B1/en active Active
- 2008-11-17 CN CN2008101893268A patent/CN101617957B/zh active Active
- 2008-11-17 BR BRPI0806160-2A patent/BRPI0806160A2/pt not_active IP Right Cessation
- 2008-11-17 CA CA2643915A patent/CA2643915C/en not_active Expired - Fee Related
- 2008-11-18 MX MX2008014731A patent/MX2008014731A/es not_active Application Discontinuation
Also Published As
Publication number | Publication date |
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JP5550826B2 (ja) | 2014-07-16 |
CN101617957B (zh) | 2013-05-08 |
EP2062545A2 (en) | 2009-05-27 |
JP2009148550A (ja) | 2009-07-09 |
US20090131931A1 (en) | 2009-05-21 |
EP2208475A1 (en) | 2010-07-21 |
MX2008014731A (es) | 2009-05-22 |
CA2643915A1 (en) | 2009-05-16 |
EP2062545B1 (en) | 2012-02-01 |
EP2062545A3 (en) | 2009-08-12 |
CA2643915C (en) | 2017-12-12 |
RU2491014C2 (ru) | 2013-08-27 |
CN101617957A (zh) | 2010-01-06 |
US8500730B2 (en) | 2013-08-06 |
RU2008145034A (ru) | 2010-05-20 |
EP2208475B1 (en) | 2011-09-28 |
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