[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

Kaouk et al., 1996 - Google Patents

A finite element model of a microwave catheter for cardiac ablation

Kaouk et al., 1996

Document ID
13468521904502473389
Author
Kaouk Z
Khebir A
Savard P
Publication year
Publication venue
IEEE transactions on microwave theory and techniques

External Links

Snippet

To investigate the delivery of microwave energy by a catheter located inside the heart for the purpose of ablating small abnormal regions producing cardiac arrhythmias, a numerical model was developed. This model is based on the finite element method and can solve both …
Continue reading at ieeexplore.ieee.org (other versions)

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/18Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
    • A61B18/1815Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves
    • A61B2018/183Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves characterised by the type of antenna
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical 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
    • A61B18/14Probes or electrodes therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12Surgical 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
    • A61B18/1206Generators therefor
    • A61B2018/128Generators therefor generating two or more frequencies
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00571Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
    • A61B2018/00577Ablation
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636Sensing and controlling the application of energy
    • A61B2018/00773Sensed parameters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00636Sensing and controlling the application of energy
    • A61B2018/00696Controlled or regulated parameters
    • A61B2018/0075Phase
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00005Cooling or heating of the probe or tissue immediately surrounding the probe
    • A61B2018/00011Cooling or heating of the probe or tissue immediately surrounding the probe with fluids
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00017Electrical control of surgical instruments
    • A61B2017/00022Sensing or detecting at the treatment site

Similar Documents

Publication Publication Date Title
US5904709A (en) Microwave treatment for cardiac arrhythmias
Wonnell et al. Evaluation of microwave and radio frequency catheter ablation in a myocardium-equivalent phantom model
Labonte et al. Monopole antennas for microwave catheter ablation
Gas Optimization of multi-slot coaxial antennas for microwave thermotherapy based on the S11-parameter analysis
US4712559A (en) Local current capacitive field applicator for interstitial array
Kaouk et al. A finite element model of a microwave catheter for cardiac ablation
McWilliams et al. A directional interstitial antenna for microwave tissue ablation: Theoretical and experimental investigation
Bertram et al. Antenna design for microwave hepatic ablation using an axisymmetric electromagnetic model
US6706040B2 (en) Invasive therapeutic probe
Chiu et al. Analysis of a novel expanded tip wire (ETW) antenna for microwave ablation of cardiac arrhythmias
de Sieyes et al. Some aspects of optimization of an invasive microwave antenna for local hyperthermia treatment of cancer
Ashour et al. Optimal localization of a novel shifted 1T-ring based microwave ablation probe in hepatocellular carcinoma
Dubois et al. Non-invasive microwave multifrequency radiometry used in microwave hyperthermia for bidimensional reconstruction of temperature patterns
Schaller et al. Field simulation of dipole antennas for interstitial microwave hyperthermia
Jacobsen et al. Can we settle with single-band radiometric temperature monitoring during hyperthermia treatment of chestwall recurrence of breast cancer using a dual-mode transceiving applicator?
US7410485B1 (en) Directional microwave applicator and methods
Preechaphonkul et al. The effects of dielectric & thermal property functions on the thermal response during the focused microwave ablation treatment in the liver cancer model: numerical investigation
Mamouni et al. Computation of near-field microwave radiometric signals: Definition and experimental verification
Despretz et al. Microwave prostatic hyperthermia: interest of urethral and rectal applicators combination-Theoretical study and animal experimental results
Camart et al. Modeling of various kinds of applicators used for microwave hyperthermia based on the FDTD method
Zhang et al. The calculated and measured temperature distribution of a phased interstitial antenna array (invasive applicators)
Gentili et al. Electromagnetic and thermal models of a water-cooled dipole radiating in a biological tissue
Gentili et al. FDTD electromagnetic and thermal analysis of interstitial hyperthermic applicators
Labonte et al. Monopoles for microwave catheter ablation of heart tissue
Kumaradas et al. Optimization of a beam shaping bolus for superficial microwave hyperthermia waveguide applicators using a finite element method