Microwave Ablation Antenna Design - aibolita.com FIGURE 9.14 Schematic cross sections of five antenna designs for microwave ablation. From top to bottom: slot, monopole, dipole, triaxial, and choked slot. Metallic components are represented in dark gray, dielectric insulators in light gray. 1996, Hurter 1991, Ahn 2005). A numerical investigation of microwave ablation on porous ... The understanding of heat transport in biological tissues is important for enhanced insight on the physiological mechanisms and thermoregulatory mechanisms. This article presents a numerical simulation of microwave (MW) ablation using a single-slot MW antenna on two layers of porous liver tissue. Open Access Coaxial Slot Antenna Design for Microwave ... 2 The Open Nanomedicine Journal, 2011, 3, 2-9 1875-9335/11 2011 Bentham Open Open Access Coaxial Slot Antenna Design for Microwave Hyperthermia using Finite-Difference Time-Domain and Finite Element Method International Journal of Heat and Mass Transfer
ISAP2015 - International Symposium on Antennas and Propagation…
Return to Article Details A Novel Microwave Coaxial Slot Antenna for Liver Tumor Ablation Download Download PDF. Thumbnails Document Outline Slot antenna - Wikipedia A slot antenna consists of a metal surface, usually a flat plate, with one or more holes or slots ... Slot antennas are often used at UHF and microwave frequencies instead of line antennas when greater control of the radiation pattern is required. [Full text] Microwave ablation: state-of-the-art review | OTT Jul 6, 2015 ... Keywords: tumor, ablation, microwave, review. ... of heat transfer in liver tissue during microwave ablation using single and double slot antenna. Microwave Tumor Ablation - JVIR
A Novel Microwave Coaxial Slot Antenna for Liver Tumor Ablation
A floating sleeve antenna yields localized hepatic … Index Terms— Ablation, coaxial aperture antennas, finite ele-ment methods, floating sleeve, microwave heating. I. I NTRODUCTION M ICROWAVEAs long as the sleeve is half a wave-length (adjusted for the presence of Te fl on) in length and is notcovering the antenna slot, it seems able to... Microwave Ablation and Microwave Ablation Factors. • Microwave antenna transforms electrical current to broadcast electromagnetic field about itself which interacts with its environment. • Therefore antenna design needs to consider following factors: – operating frequency and – permittivity of its environment.
A coaxial-slot antenna for invasive microwave -…
Background: An axisymmetric finite element method (FEM) model was employed to demonstrate important techniques used in the design of antennas for hepatic microwave ablation (MWA). To effectively treat deep-seated hepatic tumors, these antennas should produce a highly localized... A floating sleeve antenna yields localized hepatic … Index Terms— Ablation, coaxial aperture antennas, finite ele-ment methods, floating sleeve, microwave heating. I. I NTRODUCTION M ICROWAVEAs long as the sleeve is half a wave-length (adjusted for the presence of Te fl on) in length and is notcovering the antenna slot, it seems able to... Microwave Ablation and Microwave Ablation Factors. • Microwave antenna transforms electrical current to broadcast electromagnetic field about itself which interacts with its environment. • Therefore antenna design needs to consider following factors: – operating frequency and – permittivity of its environment. Finite Element Analysis of Single Slot Antenna for …
A Novel Microwave Coaxial Slot Antenna for Liver Tumor …
Abstract. Investigation of the structures and properties of antennas is important in the design of microwave ablation (MWA) system. In this study, we studied the performance of the novel tri- and single-slot antennas with frequency of 433 MHz in ex vivo conditions. Antenna design for microwave hepatic ablation using an ...
A coaxial-slot antenna for invasive microwave… When the technique of invasive microwave hyperthermia is applied to cancer treating, the distribution of microwave thermal field and the effect of the therapyThe distribution of thermal field and specific absorption rate (SAR) of invasive coaxial- slot antenna in the frequency of 2450 MHz are obtained by...