-Discover a premium range of diagnostic tools by ADC (American Diagnostic Corporation) at Quince Medical. From professional-grade stethoscopes to reliable blood pressure monitors, ADC is known for precision, durability, and innovation. Whether you're outfitting a clinic or upgrading your personal gear, explore our carefully curated selection of FDA-approved equipment designed to support healthcare professionals in delivering accurate patient care. Buy your ADC products from a trust supplier, Quince Medical & Surgical LLC.