Sure, if they are at all useful towards their ongoing care. The example I used was surgeons cracking a cardiac catheter kit just to get to the catheter. The patient would not find any use in the rest of the kit. “Look at my cool little plastic tray full of $500 of tubing and odd-shaped doomaflajees”.
To clarify, the unused supplies from a surgery that are still sealed and intact were (usually) credited to a patients bill, and (usually) a patient was only charged for the catheter if a cath kit had to be opened just for the catheter.