Medical 21, founded by Manny Villafaña, is a developmental stage medical technology company focused on revolutionizing heart bypass surgery. The company's core mission is to eliminate the need for vessel harvesting in bypass procedures through its innovative MAVERICS graft. This small-diameter flexible tube, encased in a nitinol scaffold, allows surgeons to perform bypasses without extracting blood vessels from the patient's legs, arms, or chest, thus reducing patient trauma and recovery time.

Notable figures associated with Medical 21 include its founder Manny Villafaña, a prominent name in the medical technology field. The company has attracted significant attention and investment due to its groundbreaking approach to cardiac surgery. Key achievements include the development and initial testing of the MAVERICS graft, which has the potential to significantly impact patient care and surgical outcomes in the field of cardiovascular medicine.