the medicines and healthcare products regulatoiy agency mhra as an executive agency of the department of health dh to enforce the regulations relating to the safety of medicines and medical devices in the uk the governments of the devolved nations then work closely with the mhra for example the northern ireland adverse incident centre acts as a regional centre for reporting and investigating adverse incidents involving medical devices and nonmedical equipment while mhras alerts to nhs wales are made through the welsh government s public health alert system its powers include conducting reviews and carrying out inspections and investigations and reporting on arrangements by statutory bodies for the purpose of monitoring and improving the quality of the health and personal social services