Synthetic polypropylene slings (such as TVT, TVT-O and TOT) are implants but, as the BBC Newsnight feature on artificial hips explained, implants in the UK are very poorly regulated.
Jeremy Paxman questioned Kent Woods, Chief Executive of the Medicines and Healthcare products Regulatory Agency (MHRA) about their regulation process and Woods admitted that the de Puy implant was allowed to be used without any randomised controlled trials (RCTs) being undertaken. Paxman argued that patients have been used as human “guinea pigs”.
You can see the report of the BBC investigation and the interview with Kent Woods by clicking on the video links at:
Read more about the regulation of medical devices: