Question about Transducer Head Size - Ultrasound US
I’m planning on getting the SoundCare Plus Clinical Ultrasound Therapy Device. It comes with two transducer sound heads: 1 cm² and 5 cm².
Seems much better to use the 5 cm² rather than the 1 cm², however the 5 cm² is slightly too large for my width which sits at 4.4 cm across.
Does this pose any issues?
I know that gaps between the sound head and skin is problematic, but if there is full contact where there is skin to contact with, is there any harm then from the outer region of the sound head not in contact with anything?