PROPEL sinus implants for maintaining sinus patency after surgery

Professor Carl Philpott, professor of rhinology and olfactology, University of East Anglia; head of rhinology and ear, nose and throat (ENT) research group professionalism lead; did not declare any interests.

Professor Paul Chatrath, consultant ENT surgeon and rhinologist; did not declare any interests.

Professor Hesham Saleh, consultant rhinologist and facial plastic surgeon at Imperial College Healthcare NHS Trust; professor of practice in rhinology at Imperial College. He has received samples of the device, been involved in publications on the device, and gave a lecture in a webinar organised for the company for which the rhinology research fund received a payment.