Every day, Global University Venturing rounds up the smaller investments from across the university innovation ecosystem in its deal net.

S4 Medical, a US-based catheter ablation aid developer spun out from Ohio State University (OSU)’s Wexner Medical Center, has raised an undisclosed sum from investors including OSU-backed venture firm Ohio Innovation Fund and non-profit health system ProMedica. The round was filled out by Plug and Play, Valley Growth Ventures, Jumpstart, North Coast Angel Fund and assorted angel investors. S4 Medical’s clinical-stage device inserts into the patient’s mouth to shield their gullet from the thermal impact of catheter ablation surgery, a…