BioStim M7 TENS Dual-Channel Unit


Transcutaneous Electrical Nerve Stimulation (TENS) devices are used for the symptomatic relief and management of chronic (long- term) intractable pain and as an adjunctive treatment in the management of post-surgical and post-traumatic acute pains problems like arthritis, back pain, neck pain, sciatica etc.


TENS devices can adversely affect the operation of demand-type cardiac pacemakers. TENS is not recommended for patients with known heart diseases without  a physician’s evaluation of risk. Do not stimulate over the eyes or carotid sinus nerve. Do not apply TENS for undiagnosed pain syndrome until etiology is established. Do not place electrodes in a manner that causes current to flow trasncerebrally (through the head).


SKU: TENS002 Category: Tag:


General Description

This device is a Transcutaneous Electrical Nerve Stimulator. One par of electrodes can be connected to each output channel using the leadwires supplied. Stimulation pulses are transferred from the device through the leadwires to the electrodes. The intensity, duration and number of pulses per second can be adjusted.

BioStim M7 TENS Dual-Channel Unit contents:

– 4 pigtail electrodes
– 2 pairs of leadwires
– 4 AA batteries
– Carrying case
– Instructions
When the patient lock systems is turned off, a patient compliance meter is displayed showing how long the device was used
A timer allows the patient to use the device for a specified period of time
2-channel device incorporates touch proof design and is run by 2 AA batteries

Maintenance and Care

The case housing is made of insulated ABS plastic and can be cleaned with isopropyl alcohol.

Stubborn stains and spots can be removed with a cleaning agent. Do not submerge this device in any liquid or use excessive cleaning liquid when cleaning the surface area.

NOTE: no not smoke or work with an open flame (for example candles, cigarettes etc) when working with flamable liquids

Graphic Symbols Definitions

Refer to operating instructions


PALS platinum electrodes


Additional information

Weight 0.132 kg
Dimensions 82 × 70 × 25 cm
Technical Specifications

Size 3.25" x 2.25" x 1-5/8" (82mm x 70mm x 45mm) Weight 8oz (266 grams) Channels Dual Waveform Asymmetrical rectangular biphasic (TENS) Pulse Rate (adjustable) 1Hz to 200Hz Pulse Width (adjustable) 10µs to 250µs Stimulation Modes Continuous Constant stimulation Rate Modulation 50% decrease/increase of set value over a 5 second cycle Width Modulation 50% decrease/increase of set value over a 5 second cycle Rate/Width Modulation 50% decrease in set value over a five second period. As rate increases, width decreases SD1 Increase of set pulse width 40%, decrease of set pulse rate 45% and decrease of amplitude 10% over a 3 second period. Values return to original settings over the next 3 seconds SD2 Increase of set pulse width 60%, decrease of set pulse rate 90% and decrease of amplitude 13% over a 6 second period. Values return to original settings over the next 6 seconds Cycled Burst 2.5 seconds on. 2.5 seconds off. adjustable rate and width Output Voltage 49 volts peak to peak Intensity (adjustable) 0mA to 98mA Power Supply 2 AA batteries

Weight 0.132 kg
Dimensions 82 x 70 x 25 mm
Technical Specifications Channels 2 Waveform Asymmetrical, biphasic modifies square-wave Output Constant current Intensity Continuously adjustable from 0-98 mA peak Frequency 2-150 Hz (Hertz or pps) Impulse Width 50-250 microseconds (μs) adjustable Continuous Continuous stimulation Burst 1 0.5 sec on, 0.5 sec off, Adjustable pulsed rate from 1-150 Hz Burst 2 8 pulses per burst/ 2 bursts per second Modulation decrease/ increase of set width of 50% over a five- second period Power supply 2 AA Batteris, E-block, type 6F22 Dimensions 82 X 70 X 25 mm Weight 132 g


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