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Atrial fibrillation (AFib) is a significant healthcare problem caused by the uneven and rapid discharge of electrical signals from pulmonary veins (PVs). The technique of radiofrequency (RF) ablation can block these abnormal electrical signals by ablating myocardial sleeves inside PVs. Catheter contact force measurement during RF ablation can reduce the rate of AFib recurrence, since it helps to determine...
This paper presents the development of a flexible force sensor that can be integrated on a catheter and provide catheter contact force to ensure sufficient power delivery during during RF ablation for atrial fibrillation treatment. The flexible force sensor consists of a strain gauge (PEDOT:PSS) incorporated on a polymer substrate (PDMS) and was fabricated using existing microfabrication technologies...
We developed a novel platform based on teleoperated robot to perform highresolution optical coherence tomography imaging under continuous MRI guidance. The feasibility of real-time multi-scale imaging is demonstrated on a tissue phantom of breast tumor.
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