Harvard Health Ad Watch | 合法醫療器材資訊網

2019年10月15日—DoesCooliefwork?...Anumberofstudieshavetriedtoanswerthisquestion,buttheevidenceisiffy.Accordingtoarecentreviewofprevious ...

The TV ad promises pain relief for knee osteoarthritis, the source of most of the 600,000 knee replacement surgeries performed in the US each year. A man in a bowling alley winces with pain. He nearly falls as he rolls a ball into the gutter. (Did I mention the arrow sticking out of his knee?)

"Knee acting up again?" asks his buddy, clearly concerned. When pain pills dont seem to help, his buddy suggests a procedure called Coolief for knee osteoarthritis.

"I had it done six months ago," says the bowling buddy. "And the best part is that it lasts up to one year."

Coolief is a procedure, not a pill. A doctor inserts electrodes through the skin, placing them near nerves in several locations around the knee. Electric current applied through the electrodes delivers heat to the nerve. This impairs its ability to send pain signals to the brain....