So what are you able to do at the buyer level? Buy products only from the trusted Delta Tone Ket manufacturers, repeatedly ask them about their inspection procedures, use disposable products, ensure cleanliness protocols are followed at your clinic/hospital and buy good quality products to guard your patients from these unwanted complications.So what are you able to do at the buyer level? Buy products only from the trusted manufacturers, repeatedly ask them about their inspection procedures, use disposable products, ensure cleanliness protocols are followed at your clinic/hospital and buy good quality products to guard your patients from these unwanted complications.