It’s already happened
James Meek: The NHS Goes Private, 22 September 2011
“... put into his patients had to be removed and replaced. He did the work himself. His biographer, William Waugh, quotes one witness as saying the sight of Charnley going to each operation was ‘like observing a monk pouring ashes over his own head’. Punishing himself further, Charnley went around for nine months with a lump of Teflon implanted in his thigh ... ”