The U.S. FDA’s Center for Biologics Evaluation and Research posted four warning letters to makers of HIV sample collection kits, an example of a shift in FDA enforcement in the IVD space that is still allowed after a historical loss in court.

Naox Technologies SAS secured U.S. FDA 510(k) clearance for Naox Link, its in-ear electroencephalography (EEG) device for clinical use both at home and in health care settings. Naox Link is a pair of earbuds the company hopes will transform how the brain activity is monitored, helping diagnose and track a number of conditions affecting the brain.

Crescom Co. Ltd., an AI musculoskeletal imaging company, gained U.S. FDA 510(k) clearance Dec. 24 for MediAI-BA, its AI-powered pediatric and adolescent bone age analysis software. Classified as a class II medical device, MediAI-BA evaluates bone age and suggests predicted adult height based on growth plate status assessed by hand and wrist X-ray imaging. Prior clinical trial results demonstrated MediAI-BA had specialist-level accuracy, recording a mean absolute deviation (MAD) of 0.39 years.