A changing view on patient safety: how the Healthcare Safety Investigation Branch has brought system-focused investigations to the fore

In this perspective, the chair designate of the Healthcare Services Safety Investigation Body (HSSIB), the new arm's length body transitioning from the Healthcare Safety Investigation Branch (HSIB), reflects on how the Francis Inquiry was instrumental in changing the view of patient safety in the NHS, the role of HSIB over the last 5 years in identifying systemic causes of patient harm and what the future holds for HSSIB.