Royal Philips and Banyan Biomarkers, Inc. announced that they have entered into a multi-year joint development agreement to develop and commercialize a new handheld blood test to detect and evaluate mild traumatic brain injury (TBI) - also known as concussion - at the point of care. The new handheld test will be based on Philips' Minicare I-20 system. The financial details of the agreement were not disclosed.