Medical Device Human Factors by HirLan (MDHF), is dedicated to providing comprehensive human factors services to medical device manufactures. Our services include design, evaluation, and validation of products consistent with the FDA 510(k) Human Factors Guidance and ANSI/AAMI HE75:2009(R)2013 Human Factors Engineering-Design Specifications. MDHF uses various testing methodologies and processes depending upon the stage of the product cycle (see below). MDHF also provides design and evaluation of