FDA Clears Transit Scientific’s XO Cross Catheters for Coronary UseThe four new coronary micro-support catheters are designed for tough, complex lesions found in advanced coronary artery disease. Medscape Medical Newsadminabril 13, 2022Uncategorized The four new coronary micro-support catheters are designed for tough, complex lesions found in advanced coronary artery disease. Medscape Medical News