IF 400 Interferential Digital Unit (Model 400) By BodyMed
IF 400 Interferential Digital Unit (Model 400) By BodyMed

IF 400 Interferential Digital Unit (Model 400) By BodyMed

On sale $76.99
Retail Price:$399.95
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Part Number:bodymed-01002

BodyMed™ Dual Channel Digital TENS / EMS Combination Unit A7000
Manufacturer's Model Number: GM320TE (Combo)

How Electronic Muscle Stimulation works:

Electronic Muscle Stimultion is an internationally accepted and proven way of treating muscle injuries. It works by sending electronic pulses to the muscle needing treatment; this causes the muscle to exercise passively. Electronic Muscle Stimulators (EMS) Stimulate, Re-educate, Massage, and Build Muscle. Electronic Muscle Stimulation is basically done by stimulating some areas of the body. For this purpose, an electronic stimulation device is used - electrode pads are placed directly on the body area(s) that need to be stimulated. By dialing the voltage, you can pick different pressure on the muscles, that create various medical and cosmetic effects.

The low voltage is usually done on smaller, involuntary muscle groups, which cannot be stimulated in other ways. The low voltage also stimulates the brain, which starts sending impulses through the involuntary muscles, thus stimulating them as well.

Electronic Muscle Stimulators (EMS) are used for both medical treatment and cosmetic purposes (conditioning and toning). Medical conditions treated by Muscle Stimulation include: Muscle Spasms, Long-term Disuse after Fracture or Prolonged Bed Rest, Strengthening for Joint or Muscle Injury, Immobilized Limbs, Atrophy Prevention, Bell's Palsy, Stress Incontinence, Muscle Weakness, Improving Muscle Tone, Muscle Spasticity following a Stroke, and Personal Fitness Training.

  • All BodyMed TENS units have protective caps over the amplitude adjustment knobs to prevent unintended changes to the pulse amplitude
  • All Digital BodyMed units have a patient compliance feature that allows the prescribing doctor to monitor the patient's usage of the device
  • All BodyMed Electrotherapy units come in hard-sided protective plastic cases
  • BodyMed® electrotherapy units utilize standard lead wires and “pigtail’-style electrodes
  • All units include two lead wires, one pack (4) electrodes, manual and 9-volt battery

How Transcutaneous Electrical Nerve Stimulation works:

Transcutaneous Electrical Nerve Stimulation (TENS) is a non-invasive, drugfree method of controlling pain. TENS Units use tiny electrical impulses sent through the skin to nerves to modify your pain perception. In most people it is effective in reducing or eliminating the pain, allowing for a return to normal activity. In many people, the reduction or elimination of pain lasts longer than the actual period of stimulation (sometimes as much as three to four times longer). In others, pain is modified while stimulation actually occurs.Unit overrides the pain signal to the brain by sending a comfortable electronic impulse. When the TENS Unit overrides the pain signal, it "tricks" the brain into thinking their is NO PAIN. This produces Fast and Rapid Pain Relief, usually within a minute or two. You can control and customize the intensity, pulse rate, and pulse width to "experiment" and find the best setting for your pain relief.

View the full operations manual: pdf manual BodyMed TENS/EMS A7000 Operations Manual



  • Channel: Dual, isolated between channels
  • Pulse Amplitude: Adjustable 0-80 mA peak into 500 load each channel, constant current
  • Pulse Rate: 1-Hz-160 Hz (adjustable), 1 Hz/step (1-20 Hz), 5 Hz/step (20-160 Hz)
  • Pulse Width:
    • a. 50-260 µs adjustable for TENS, 10 µs/step
    • b. 250 µs fixed for EMS
  • Software Ramp Up: By changing mode, the output will reset to zero; then, ramp up to its original setting intensity. It will protect users from a sudden surge.
  • Patient Compliance Meter: Shows the treatment time in hours.
  • Patient Lock System: Prevent the user from changing any fixed parameters set by the pysician or licensed practitioner.
  • Timer: 15, 30, and 60 minute mode; and continuous mode.
  • LCD:
    • TENS - Shows modes, pulse rate, pulse width, timer and CH1/CH2 on LCD panel
    • EMS - Shows modes, pulse rate, on time, off time, timer, and CH1/CH2 on LCD panel


  • Immediate relief of acute or chronic pain
  • Pain relief for back, foot, shoulder, neck, virtually any acute or chronic pain
  • Relaxation of muscle spasms
  • Increasing local blood circulation
  • Immediate post-surgical stimulation
  • Maintaining or increasing range of motion
  • Prevention of retardation of disuse atrophy
  • Muscle re-education
  • Immediate post-surgical stimulation of calf muscles to prevent deep vein thrombosis (DVT)

Package Includes:

  • All units include two lead wires, one pack (4) electrodes, manual and 9-volt battery


  • Place Electrodes on or around where you are experiencing pain
  • Change the batteries when needed
  • Vary the controls and settings (both the frequency and voltage)
  • Determine and set the proper duration and intensity of the stimulation for you
  • Follow instruction manual


  • Cardiac Pacemakers - Do not use the TENS unit with demand type Cardiac Pacemakers.
  • Throat (Carltid Sinus) - Do not use over the nerves, muscles or arteries of the throat or the larynx (voice box) - strong muscle contractions could close the airway.
  • Eyes - Do not use on the eyelids.
  • Head - Do not place electrodes so electrical flow is from one side of the head to the other.
  • EKG Monitors & Alarms - Monitors and alarms for EKG units may not operate properly when the unit is in use.
  • Myocardial Disease or Arrythmias - The TENS unit should be used by patients with these conditions only under the direction and supervision of the prescribing physician.
  • Preganancy - The safety of the TENS unit during preganancy or delivery has not been established.
  • Undiagnosed Pain - Do not use the unit to treat undiagnosed pain syndromes.
  • Machinery Operation - Do not adjust the control stting of the unit while operating vehicles, heavy equipment, machinery or tools.
  • Children - Keep out of reach of children.

Hudson, OH 44236

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