I've had hand surgery and I've had broken fingers, and those really hurt. Lots of nerve endings in the hands. I don't remember getting an opioid scrip for my hernia repair -- that didn't hurt much -- but I definitely got opioid scrips for my hand injuries.
A 2" depth requirement would work for a hand injury. A smaller loop might be beneficial. Or, just figure-8 the loop and double it up?
That ON-Q Pump trial only had 50 patients, so a smaller sample size is OK for the CMS if the results are good. And it's important to note that you don't have to show the CMS the trials that DIDN'T work.
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