See if you can get the ice water pump for after your surgery.
The cool keeps the swelling down and that speeds the healing. Because you have a soft steady coolness rather then the freezing cold of a cold pack it is less of a shock to the system.
34 posted on 04/16/2018 8:20:21 PM PDT by Harmless Teddy Bear
( Bunnies, bunnies, it must be bunnies!! Or maybe midgets....)