Sotera Medical said today that it landed another backer in the seed round for the esophageal protection device it’s developing for cardiac ablation procedures.

Cleveland-based Sotera Medical – not to be confused with Sotera Health or Sotera Wireless – said the device was created by co-founder Dr. Emile Daoud of Ohio State University’s Wexner Medical Center and a team of physicians.

In April Sotera Medical said it raised more than $1 million in the seed round, led by a syndicate of investors including JumpStart, North Coast Angel Fund, Northwest Ohio Tech Fund II, private investors and the state of Ohio. At the time the company said it hoped to begin first-in-human testing by the end of the year.

Read the full story at Mass Device.