نتایج جستجو برای: radiofrequency heating
تعداد نتایج: 73068 فیلتر نتایج به سال:
Understanding thermal transport and temperature distribution within biological organs is important for therapeutic aspects related to hyperthermia treatments such as radiofrequency ablation (RFA). Unlike surface heating, the RFA treatment volumetrically heats up the biological media using a heating probe which provides the input energy. In this situation, the shape of the affected region is ann...
BACKGROUND Radiofrequency ablation has limitations, largely related to creation of lesions by heating. Here, we report the first nonthermal ablation by applying photodynamic therapy (PDT) to cardiac tissues using a custom-made deflectable laser catheter. The present study investigated the feasibility of PDT for cavotricuspid isthmus ablation in a canine model. METHODS AND RESULTS We evaluated...
This document presents requirements specific to home control and automation applications for Routing Over Low power and Lossy (ROLL) networks. In the near future, many homes will contain high numbers of wireless devices for a wide set of purposes. Examples include actuators (relay, light dimmer, heating valve), sensors (wall switch, water leak, blood pressure), and advanced controllers (radiofr...
Radiofrequency (RF) interstitial tissue ablation is a new, minimally invasive procedure for patients with liver cancer who are not candidates for conventional therapy. The percutaneous RF ablation therapy involves placing a needle electrode under ultrasound guidance into a selected portion of the tumor and heating the tissue between 90 degrees C and 100 degrees C. The ablation procedure can be ...
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