Tekni-Plex (Wayne, Pa.) said today that it has acquired Dunn Industries, a Manchester, N.H.-based maker of specialty extrusion tubing for medical device uses. Financial terms of the deal were not disclosed. The Dunn buy is the seventh acquisition Tekni-Plex has made in the past four years as it seeks to grow both organically and through acquisitions.The post Tekni-Plex expands extruded medical tubing offerings through Dunn Industries buy appeared first on Medical Design and Outsourcing.