KKR, a global investment firm, and Hellman & Friedman, an American private equity firm, led a $90m investment in Ajax Health-backed Cortex, a medical technology company developing an integrated mapping and ablation solution suite for the treatment of atrial fibrillation, with participation from AI Life Sciences and Access Industries. "Cortex's vision is to enable more intelligent AFib treatment. We are developing solutions that prioritize precision, simplicity, and efficiency to simultaneously improve patient outcomes and lower procedural cost," Duke Rohlen, Ajax Health and Cortex CEO.