Present as he was at the Day dedicated to the Innovation of Medullar Stimulation – which was organized in Paris by the Boston Scientific Pain Management on April 5, 2022 – the Doctor Ouerchefani showcased a new way to stimulate the bone marrow against a type of pain called FAST – a stimulation method which allows for an efficient and fast-paced improvement over neuropathic pain. That day was rich with knowledge, animated as it was by the Doctor Gérald Kierzek.