Pressure Myograph System - Combined Notice of Intent and Sources Sought Notice

The National Heart, Lung, and Blood Institute (NHLBI) is seeking quotations and technical capability documentation for a single, fully integrated pressure myograph system to be used for ex‑vivo physiological assessment of small arteries from mouse models. The system must include a chamber for vessels 60 µm–1.2 mm, interchangeable cannulas, a longitudinal force transducer, integrated pressure transducers, a microscope with camera and infrared illumination, real‑time acquisition and analysis software, and all necessary accessories, delivery, installation, verification, and basic user training at the NIH Bethesda campus. NHLBI has identified DMT‑USA Inc. as the only source capable of meeting the required longitudinal force‑measurement capability, but all responsible sources may submit quotations; the Government may decide not to compete the acquisition. • Required equipment: pressure myograph chamber (60 µm–1.2 mm), interchangeable cannulas, axial force transducer, pressure transducers, microscope with camera/IR, real‑time software. • Includes delivery, installation, operational verification, and basic training at NIH Bethesda, MD. • Sole‑source intent under FAR 13.106‑1(b)(1) but open to quotations from other responsible sources. • Buy‑American requirements will apply; offerors must disclose country of origin. • NAICS 339112 (Surgical and Medical Instrument Manufacturing).