Key result
Novel MRI-compatible robotic catheter mitigates RF and resistive heating within FDA limits during simultaneous imaging.
Why the study?
Metallic components in MRI-guided robotic catheters can interact with RF fields, causing RF-induced and resistive heating that increases thermal injury risk.
Population
Saline-filled phantom on a 3T MRI scanner
Comparison
Novel MRI-compatible robotic catheter evaluated under bSSFP imaging sequence with actuation currents up to 1 A
Design
In vitro thermal validation and modeling study
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Animal data support MRI catheter safety; human trials needed before clinical translation in ablation.
A novel MRI-compatible robotic catheter design successfully mitigates RF-induced and resistive heating, demonstrating potential for safe use in MRI-guided cardiac ablation procedures.
A 2026 study studied this question. MRI-compatible robotic catheter with heat-mitigating design was evaluated on RF-induced and resistive heating. The novel MRI-compatible robotic catheter design effectively mitigated RF-induced and resistive heating during simultaneous imaging and 1 A dithered actuation, remaining within FDA safety limits.
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