From Acutus Medical Raises $75M to Map Abnormal Currents of the Heart:

Acutus Medical atrial fibrilation catheter_sheath_stacked
Acutus Medical atrial fibrilation catheter_sheath_stacked

A “basket” catheter developed by San Diego’s Acutus Medical creates 3D images of the inner chambers of the heart. (Acutus Medical photo used with permission)