Medical Device + Diagnostic Industry (MD+DI) is a print and online resource for “original equipment manufacturers of medical devices and in vitro diagnostic products.” They previously indicated to be seeking contributions from professionals who are working at medical device and diagnostic companies, and wanted everything ranging from “career advice and industry hot topics to tips for how to solve technical, design, quality, and regulatory problems.” Pay was listed as $150 per piece. To pitch them, refer to this page.