Chattanooga SENIOR SOLUTIONS, Service Manual

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17
Senior Solutions™ Therapy System
4 SPECIFICATIONS
A. IFC (Interferential) Traditional (4 Pole)-
Figure 4.2
Interferential Current is a medium frequency waveform. Current is
distributed through two channels (four electrodes). The currents
cross each other in the body at the area requiring treatment.
The two currents interfere with each other at this crossing point,
resulting in a modulation of the intensity (the current intensity
increases and decreases at a regular frequency).
Output Mode…………………………………………Electrodes
Output Intensity………………………………………0-100 mA
Carrier Frequency…………………………………2,500-5,000 Hz
Beat Frequency…………………………………………1-200 Hz
Sweep Time………………………………………………15 sec
Sweep Low Beat Frequency……………………………1-199 Hz
Sweep High Beat Frequency……………………………2-200 Hz
Scan Percentage…………………………Static, 10%, 40%, 100%
Mode Selection…………………………………………CC or CV*
Treatment Time……………………………………. . . . . 1-60 Min
Available on Channel………………………… . . 1&2, 3&4 Option
B. TENS- Asymmetrical Biphasic- Figure 4.3
The Asymmetrical Biphasic waveform has a short pulse duration.
It is capable of strong stimulation of the nerve fibers in the skin
as well as of muscle tissue. This waveform is often used in TENS
devices. Because of its short pulse, the patient typically tolerates
the current well, even at relatively high intensities.
Output Mode………………………………………Electrodes
Output Intensity……………………………………0-110 mA
Phase Duration………………………Adjustable 20-1,000 μsec
Frequency……………………………………………1-250 Hz
Mode Selection………………………………………CC or CV*
Burst Frequency………………………………………0-10 bps
Frequency Modulation………………………………0-250 Hz
Amplitude Modulation…………Off, 40%, 60%, 80%, and 100%
Treatment Time………………………………………1-60 min
The specifications found in this section provide
the necessary waveform specifications to aid in
troubleshooting. A waveform graphic from an
oscilloscope is also provided for clarification.
Refer to this section when performing
troubleshooting, replacement, and repair of the
Therapy System, Modules, and Accessories.
NOTE:
All waveforms, except High Voltage Pulsed Current
(HVPC), of the Senior Solutions Therapy System have
a 200 mA current limit.
VMS™, VMS™ Burst, and all TENS waveform output
intensities are measured, specified, and listed to
peak, not peak to peak.
All waveforms are available on all channels.
FIGURE 4.2
Stimulus delivered by the TENS waveforms of this device, in certain
configurations, will deliver a charge of 25 microcoulombs (μC) or
greater per pulse and may be sufficient to cause electrocution.
Electrical current of this magnitude must not flow through the
thorax because it may cause a cardiac arrhythmia.
FIGURE 4.3
*CC= Constant Current
CV= Constant Voltage
4.2 ELECTROTHERAPY WAVEFORM SPECIFICATIONS