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Cleveland-based maker of the FDA-cleared esolution device, used to protect the esophagus during atrial fibrillation ablation.
S4 Medical Corp. was founded in 2017 in Cleveland, US, by Richard Witismann. Its esolution device deviates the esophagus during catheter ablation for atrial fibrillation, reducing the risk of esophageal injury. It is compatible with all ablation energy sources, temperature probes and mapping systems, and is sold per unit to hospitals and electrophysiology clinics in the US and Europe. In June 2023 the company raised USD 5.76 mn in Series B funding to support regulatory approvals, product launches and manufacturing.
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