Specialty Blades Inc. (specialtyblades.com) and its medical-device division IncisionTech (incisiontech.com) have acquired specialty needle and metal-tubing manufacturer Popper and Sons Inc. (popperandsons.com) the firm's principle market segments include medical-device contract manufacturing, instrumentation and automation components for the life-science diagnostics markets, and industrial cutting components. The company has locations in Virginia, New York, and Rhode Island with total employment of about 240 and revenues over $35 million. Financial terms were not disclosed.