Sonicator Plus 930 Instruction Manual— Rev.J_09/13/17
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Section 5—Indications,
Contraindications, Precautions
and Adverse Reactions
5.1 Indications for Therapeutic Ultrasound
Ultrasound delivered to the body using an efficient couplant provides deep heating effects
to body tissues. Ultrasound delivered at a frequency of 1 MHz penetrates to a depth of
approximately 5 centimeters while ultrasound at a frequency of 3 MHz penetrates tissue to
a depth of approximately 1–2 cm.
When therapeutic ultrasound is delivered to the body at intensities capable of generating a
deep tissue temperature increase, some or all of the following effects may occur:
1. Pain relief
2. Reduction of muscle spasm
3. Localized increase in blood flow
4. Increase range of motion of contracted joints using heat and stretch techniques.
5.2 Indications for Neuromuscular Electrical Stimulation
The application of pulsating electric currents to the body via electrodes elicits responses
from nerves, which conduct pain sensation and muscle contraction information.
Stimulation of sensory fibers will help block pain while the stimulation of motor fibers will
generate pulsatile contractions of the muscle groups innervated by the nerves being
stimulated.
Based on this information, some of the indications for use are as follow:
1. Symptomatic relief of chronic intractable pain, acute post traumatic pain or acute post
surgical pain (Interferential and Premodulated waveforms)
2. Temporary relaxation of muscle spasm
3. Prevention of post–surgical phlebo–thrombosis through immediate stimulation of calf
muscles
4. Increase of blood flow in the treatment area
5. Prevention or retardation of disuse atrophy in post–injury type conditions
6. Muscle re–education
7. Maintaining or increasing range of motion
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