Originally Posted by Borrelli
I think he's talking about ultrasound therapy, the one with the gel you rub on before using it? You can get them for like $80 on Amazon. Physical therapist's use them on patients all the time. You can also buy a portable ultrasound scanner, like the one in the commercial (sonosite) for big bucks to scan muscle tissue and what not but I doubt that's what he's speaking of.
Yes, I have the El Cheapo Amazon one. It does not generate heat like the professional grade versions but still works. A friend of mine got one that generates heat and he burned himself! I keep mine on the lowest setting per a doctor's recommendation.