U/S for Fracture in a Horse

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I have an adult warmblood gelding that suffered an incomplete, non-displaced

radius fracture. It is stable and surgery is not necessary at this point. But

he is standing cross-tied so we would really like to stimulate some bone healing

and get him off the wire ASAP. Was thinking we might consider therapeutic u/s,

but have read in text that it may delay fracture healing at high doses(not well

referenced)but LIPUS has shown to accelerate healing (lots on PUBmed on this).

Does anyone have any experience using u/s on fractures? If so what protocols

have you used? We certainly don't want to make this worse!!!!

From reading the literature I cannot do LIPUS with the machine I have. It is an

Intelect Vet u/s machine so can only control W/cm2, duty cycle, and have 1MHz

and 3.3MHz with a 2 cm sound head (no pulse). The only protocol I could find

for LIPUS is is 1.5 MHz ultrasound pulsed at 1 kHz, 20% duty cycle, 30 mW/cm -

which I cannot do with the Intelect. In addition to machine protocol -how many

sessions per week do you recommend (if anyone recommends it at all)?

Appreciate your help!

Brown DVM, DACVS-LA