QuadStar II

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Biomedical Life Systems
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1 - 2 Business Days*

Product Overview

The QuadStar II is a portable four channel digital NMS, INF and TENS device. The unique device with 3 waveforms, symmetric biphasic, pulsed sine and asymmetrical biphasic can be programmed to deliver NMS, INF or TENS therapy.

There are 9 preprogrammed Fixed Sequences which enable the user to program 20 minutes of INF followed by 20 minutes of NMS therapy and ending with 20 minutes of TENS therapy. A Programmable Sequence allows the user to customize the therapy and times. A graphic representation of the timing parameters is shown on the screen to assist the user to program the on/off ramps and on/off times.

In addition there is a patient lock system when activated prevents the patient from changing any parameters. When the lock is turned off, a patient compliance meter is displayed.

The device comes with a Wall Adaptor.

General Specs

  • Dimensions: 6.30" x 2.75" x 1.25"
  • Weight: 11.4 oz
  • Power Supply: 4 AA Batteries, type LR6
  • Channels: 4
  • Electrodes/Leadwires: 8
  • Tolerance: +/- 1%
  • INF Specs

  • Waveform: Pulsed Sine
  • CH1/CH3 (Carrier) Frequency: 4000 Hz
  • CH2/CH4 Frequency: 4001-4150 Hz
  • Beat Frequency: 1-150 Hz
    CH1/CH2 are an Interferential Pair
    CH1: Fixed Frequency (4000 Hz)
    CH2: Adjustable 4001-4150 Hz
    CH3/CH4 are an Interferential Pair
    CH3: Fixed Frequency (4000 Hz)
    CH4: Adjustable 4001-4150 Hz
  • Premodulated INF (Using one Channel): A mixed Interferential Beat Frequency will be produced only out of CH 1 and/or CH 3.
  • Mode - Constant: Beat Frequency is adjustable from 1-150 Hz
  • Mode - Sweep 1: Beat Frequency Modulates from 1-10 Hz and back over 12 seconds (6 second increase, 6 second decrease)
  • Mode - Sweep 2: Beat Frequency Modulates from 80-150 Hz and back over 16 seconds (8 second increase, 8 second decrease)
  • Mode - Sweep 3: Beat Frequency Modulates from 1-150 Hz and back over 20 seconds (10 second increase, 10 second decrease.
  • Intensity: 0-98 mA peak to peak
  • Output Voltage: 0-33 Volts peak to peak (adj.)
  • NMS Specs

  • Waveform: Symmetrical, biphasic, square Asymmetrical, biphasic, square
  • Pulse Rate: Adjustable 1-120 Hz peak to peak
  • Pulse Width: Adjustable 50-400 uS
  • On Ramp: 0-10 seconds
  • On Time: 0-99 seconds
  • Off Ramp: 0-10 seconds
  • Off Time: 0-99 seconds
  • Modes: Constant Use the Constant Mode or a Pulse Rate greater than 60 Hz. for the relaxation of muscle spasms only. Use of continuous stimulation and/or rates above the normal physiological range (e.g., greater than 60 Hz) could lead to rapid onset of muscle fatigue, making the device less effective in producing repeated forceful muscle contractions. Cycled Reciprocating
  • Intensity: 0 - 120 mA from peak to peak (adj)Mo
  • Voltage: 0- 60 volts from peak to peak (adj.)
  • TENS Specs

  • Waveform: Asymmetrical Biphasic Square
  • Pulse Rate: Adjustable 1-120 Hz
  • Pulse Width: Adjustable 10-250 microseconds
  • Mode - Constant: Pulse Rate (Hz) is adjustable from 1-120 Hz and Pulse Width is adjustable from 10-250 microseconds.
  • Mode - B (Burst): 8 Pulses per burst, 2 bursts per second. Pulse Width is adjustable from 10-250 microseconds.
  • Mode - M (Modulation): Pulse Rate (Hz) is Adjustable from 1-120 Hz and Pulse Width is adjustable from 10-250 microseconds and decreases 50% and back to set value over a 10 second cycle.
  • Intensity: 0-100 mA peak to peak
  • Voltage: 0-50 Volts peak to peak

    1 Each / Each
  • Part Number(s):
    • KQST


    (1 review) Write a Review

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    • 4
      One of the Electrodes/Leadwires is not working wel

      Posted by JINPING ZHANG on Jul 16th 2014

      One of the Electrodes/Leadwires is not working well sometime. The Intensity looks like not from 0 - 120 mA,I feel It is from 50-120mA .to hot!

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