Pain treatment

BioStim INF digital Interferential stimulator

Portable 2-polar and 4-polar interferential device

BioStim INF offers 3 pre-programmed sweeps;

  • 1-10 Hz, used for Edema Reduction,
  • 80-150 Hz used for Pain Relief 
  • 1-150 Hz for total treatment allow for easy set up and patient instruction

BioStim INF offers bipolar stimulation using two electrodes where the interferential stimulation is already “mixed” or Full Interferential stimulation with the use of four electrodes.

BioStim INF has a timer for the desired treatment time and comes with a wall adaptor or operates on four AA batteries.

BioStim INF comes standard with two color lead wires, electrodes (4), batteries, instruction booklet, carrying case and wall adaptor.

BioStim INF set includes:

  • 1 BioStim INF Interferential stimulator
  • 4 Electrodes (50x50mm.)
  • 2 Lead wires
  • 4 Batteries
  • 1 Manual
  • 1 Carrying pouch

More details

More info

BioStim INF Interferential Stimulator


82 mm x 70 mm x 45mm


226 grams

Carrier Frequency

4000 Hz, fixed

Interference Frequency

4001-4150 Hz, adjustable

Interference Difference Frequency

1-150 beats per second, adjustable

Bipolar Stimulation

Channel 1

Output Current

0-66 milliamps peak to peak with 500 ohm load

Output Voltage

0-33 Volts peak to peak with 500 ohm load


Pulsed Sine Wave

Pulse Width

125 microseconds for each phase

Four Frequency Shifts

Continuous, 1-10 Hz over 6 seconds and 80-150 Hz over 8 seconds and 1-150 Hz over 10 seconds

Low Battery Indicator

Indicates when batteries are low

Max. Charge per Cycle

12.5 microcoulombs

Power Supply

4 AA batteries or Wall Adaptor



Output parameters are across a 500 ohm resistance.