Instruction Manual

ManualsBrandsBioStim ManualsTENS UnitBioStim M7 Digital TENS Unit

Instructions

BIOSTIM® M7 3/18/22 REV. L

Transcutaneous

Electrical Nerve Stimulator

BioStim

BioMedical Life Systems, Inc.

1954 Kellogg Avenue

Carlsbad, California 92008 USA

Tel: (800) 726-8367

Manufactured for and Distributed by:

www.bmls.com

LIMITED TWO-YEAR WARRANTY

BioMedical Life Systems, Inc. promises to the original

consumer-purchaser to repair or replace, at the option of

BioMedical Life Systems, Inc., any neurostimulator which

malfunctions or proves defective in materials or workmanship

under normal use for a warranty period from the date of

purchase. During the warranty period, BioMedical Life Systems,

Inc. will provide all labor and parts necessary to correct such

defects or malfunctions free of charge. It is the duty of the

consumer-purchaser to deliver the unit to a service facility of

the factory with a receipt of purchase. For further instructions,

please call 800-726-8367.

EXCLUSIONS:

This warranty shall not apply to damage resulting from fail-

ure to follow the operating instructions in the user manual,

accident, abuse, alteration, or disassembly by unauthorized

personnel. This warranty does not extend to accessory items

such as rechargeable batteries, electrodes, electrode and

leads wires which are not an integral part of the stimulator.

These items can be provided by your service representative,

but costs for repair or replacement will be the responsibility

of the consumer-purchaser. BioMedical Life Systems, Inc.

shall not be liable for incidental or consequential damages

resulting from the sale or use of the unit. Some states do

not allow the exclusion or limitation of incidental or conse-

quential damages, so the above limitation or exclusion may

not apply to you.

WARNING:

Only use accessories, electrodes, lead wires and batteries

approved by BioMedical Life Systems, Inc.

NO OTHER WARRANTIES:

This limited warranty is the only express warranty given by

BioMedical Life Systems, Inc. Implied warranties, including,

but not limited to, warranties of merchantability and tness

for a particular purpose are limited to the warranty period

set forth above. Some states do not allow limitations on how

long an implied warranty lasts, so the above limitation may

not apply to you. This warranty gives you specic legal rights,

and you may also have rights which vary from state to state.

Warranty

Device Maintenance

5 6

• Clean skin prior to placement of electrodes.

• Encircle the area of pain. The pads should never touch and

should be at least, 2" apart.

• Do not to place directly over a joint such as the knee, elbow

or ankle as movement can alter pad placement.

• When the pain is in a small area (e.g. calf pain): Place pads

in parallel on each side of the pain.

• When the pain overlaps a joint (e.g. elbow pain): Place

each pad on the muscle or soft tissue just above and below

the joint in a horizontal and parallel direction.

• When the pain is wide (e.g. between your shoulders below

the neck): Place the pads to the left and right side of your

spine in a vertical direction.

• Place electrodes rmly to your body as you were shown by

your healthcare professional.

Warning: Only electrodes and lead wires authorized by the

device manufacturer should be used.

Electrode Placement Guidelines

Amplitude (4, 5)

Set the stimulation intensity by pressing the CH1 (4) and/

or CH2 Intensity (5) buttons to increase (+) or decrease (-)

to your own comfort level. Your selection will be displayed

on either side of the screen. There are 20 levels of intensity

available.

Timer (10)

Select the desired treatment time by pressing the timer but-

ton to continuous, 15, 30, or 60 minutes.

Battery (11)

In order to maintain the functional operation of the BioStim

M7 the batteries will have to be changed periodically. The

device is supplied with 2 AA Alkaline batteries.

To change batteries:

• Before opening the battery compartment, check to make

sure that the device is switched o (6).

• Open battery compartment (11).

• Gently insert batteries by matching the +/– end of each

battery to the symbol found in the battery compartment.

Step 1

A. Insert battery and close battery cover (11).

B. Set mode (6) as recommended by your health professional.

C. Adjust settings (P.R.(8) & P.W.(7)) as recommended by

your health professional.

NOTE: Should a low frequency P.R. (5-20 Hz) TENS treatment

not yield the desired result a high frequency TENS treatment

Treatment Guidelines

PATIENT LOCK

The BioStim® M7 has a patient lock feature. When “turned

on”, this feature only allows the patient to adjust the intensity

controls and timer. No other parameters (mode, pulse rate,

pulse width) can be changed by the patient.

TURN ON

After the desired time has been selected, press the timer

button (10) and the mode button (6) simultaneously. Hold

both buttons until you see the clock diagram ashes on

screen. The patient lock feature is now activated.

TURN OFF

Press the timer button (10) and the Mode Button (6) simulta-

neously. Hold both buttons until the clock diagram stops

ashing. The patient lock feature is now deactivated.

PATIENT COMPLIANCE COUNTER

When turning o the patient lock feature, the amount of time

the patient has used the device is displayed in the number

of hours the device has been used will be displayed. Once

99 hours has been reached, a bar will appear next to the “1”

on the left amplitude display. Each bar indicates 100 hours

of use. A maximum of 1099 hours will be displayed.

CLEAR STORED HOURS

To clear the amount of usage hours stored, press and hold

the CH1 "DOWN arrow" and CH2 "DOWN arrow" simultane-

ously. Continue to hold until the patient compliance meter

resets to display 0 hours of use.

Patient Compliance Meter

should be applied in the range of 100-150 Hz. If no P.W.

recommendations are given, a pulse width setting of 50-100

μs are generally used.

D. Set the timer switch (10) to the desired treatment time.

Step 2

Attach lead wires to electrodes, and place electrodes rmly

to your body as you were shown by your health professional.

Step 3

Insert lead wires into device outlet (1,2).

Step 4

Slowly increase intensity by pressing the "UP arrow" sign

or decrease by pressing "DOWN arrow" on CH1 (4) and/or

CH2 (5) amplitude buttons. Increase amplitude as high as

possible without causing discomfort.

NOTE: The correct level of stimulation should feel comfort-

able to the patient and should never be set at levels that

cause discomfort.

Step 5 (End of treatment)

A. Turn o device.

B. Unplug lead wires.

C. Disconnect electrodes from lead wires.

D. Store electrodes according to the instructions on the

electrode package.

• Isopropyl alcohol is suitable for cleaning this device.

• Do not smoke or work with open ames when working

with ammable liquids!

• Stains and spots can be removed with a cleaning agent.

• Do not submerge this device in any liquid or use exces-

sive cleaning liquid when cleaning the surface area.

• Remove the batteries for long term storage.

• Damaged or leaking batteries should be disposed of in

the proper manner in accordance with local regulations.

• Use only BioMedical Life Systems, Inc. approved acces-

sories and electrodes. Non-approved accessories and elec-

trodes may damage your device and aect your warranty.