Dynatronics Dynatron 550 Plus, Service Manual

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Dynatron
®
850plus & 550plus
ULTRASOUND - Treatment Instructions
48
Ultrasound Instructions
The following Ultrasound Instructions are for DYNATRON 850plus USERS ONLY.
The Dynatron 550plus model does not offer the ultrasound feature.
WARNING
• ALWAYS keep the applicator soundhead in constant motion.
• ALWAYS keep the soundhead properly coupled to the patient’s skin or submerged under
water when intensity is turned on.
• Use ample conductive gel to ensure good coupling throughout the treatment. If needed,
apply additional gel during the treatment.
• See the section of this manual entitled “Contraindications, Warnings, and Precautions” for
ultrasound treatments.
• Be alert for any sign of periosteal (bone) pain.
• Be sure to read all instructions for operation before treating a patient.
• Do not drop the soundhead on hard surfaces, do not cool the soundhead with ice water or
ice packs, do not allow the soundhead to overheat repeatedly, and do not hold the
soundhead in the air while a treatment is running. All of these conditions are likely to
damage the soundhead crystal and/or to stress electronic components in the device.
• CAUTION: Use of controls or adjustments or performance of procedures other than those
specified herein may result in hazardous exposure to ultrasonic energy.
Make sure a soundhead is firmly plugged into the device before turning the device on. When
changing to a different size soundhead, turn the machine off first, remove the soundhead,
plug in the desired soundhead, then turn the machine on again.
NOTE: The patient Remote Stop cable is not necessary during ultrasound treatments since
this is always an attended therapy. However, if for any reason this might be preferred, the
Remote Stop cable may be given to the patient for use during Combo treatments. If the
Remote Stop button is pressed during a Combo treatment, both the stim and the ultrasound
outputs are stopped and the timer is set to zero.
Soundhead Warming
When the device is powered on, it automatically enters a default head warming mode.
During this mode the soundhead should remain in its holder as a small amount of ultrasound
output is emitted from the soundhead (.1 Wcm
2
). The warming feature turns on and off
automatically as needed to maintain a comfortable soundhead temperature. The soundhead
warming mode is automatically stopped during a treatment, and resumes automatically as
needed after a treatment has ended.