Tens AA User manual

User Manual for TENS AA

PRESCRIBING INFORMATION

FOREWORD

Read this User Manual carefully before you start

using your TENS AA.

The manufacturer strongly recommends carefully

reading of the “ Warnings and Cautions” and

Chapters of this User Manual.

.WARNINGS AND CAUTIONS

Prescription labeling:

Federal law restricts this device to sale or use

by or on the order of a practitioner so licensed

by the state.

Contraindications:

1. Do not place the pads on the carotid sinuses

located at the two sides of the neck, (where

a doctor feels for a pulse), or over the eyes.

2. Do not use this T.E.N.S. unit if you have a

heart pacemaker or serious heart rhythm

problem.

3. Any electrode placement that causes current

to flow transcerbrally (through the head).

4. The use of T.E.N.S. whenever pain syndromes

are undiagnosed, until etiology is established.

WARNINGS

1. Do not use this T.E.N.S. unit during the

pregnancy or at anytime on the abdomen

during pregnancy.

2. This T.E.N.S. unit is not effective for pain of

central origin. (Include headache).

3. T.E.N.S. unit should be used only under the

continued supervision of a physician.

4. T.E.N.S. unit has no curative value.

5. T.E.N.S. is a symptomatic treatment and as

such suppresses the sensation of pain,

which would otherwise serve as a protective

mechanism.

6. The user must keep the device out of the

reach of children.

7. Electronic monitoring equipment may not

operate properly when T.E.N.S. stimulation

is in use.

8. Do not use T.E.N.S. unit if you are driving or

operating machinery.

9. If you have epilepsy, consult your doctor

WARNINGS

Do not use any pad which size is less than 40mm

X 40mm.

Allergic reactions to the self-adhesive pads can

occur, even though they are hypoallergenic:

●Do not apply to broken skin.

●Do not apply pads to skin that do not have

normal sensation .If the skin is numb,

stimulation will not be felt and too great an

intensity might then be used accidentally.

2. Where applicable place the black adapter

closer to the spinal column; e, g. if the arm

is to be treated, place the black adaptor

higher up the arm the red adaptor.

GENERAL INFORMATION

Statement: This T.E.N.S. Unit has been tested for

EMC requirement according to EN60601-1-2

PADS

The pads that are supplied with your T.E.N.S.

Pain Relief Unit are self-adhesive and can be

used several times. Skin must be allowed to

breathe, so the pads should be removed

periodically. periodically. When not in use, the

pads should be placed onto the clear plastic

shield.

The condition of the pads does affect the

conductivity and, therefore, the performance of

the unit. When the pads initially lose their

adhesive quality, it is possible to reactivate their

adhesiveness by applying a fine spray of water.

Once the pads have finally lost their adhesive

quality, new pads should be purchased.

before using T.E.N.S.

PRECAUTIONS

1. Isolated cases of skin irritation may occur

at the site of electrode placement

following long-term application.

2. Effectiveness is highly dependent upon

patient selection by a person qualified in

the management of pain patients.

ADVERSE REACTIONS

Skin irritation and electrode burns are potential

adverse reactions.

GENERAL WARNINGS

1. Do not immerse T.E.N.S. units in water.

2. Do not place the T.E.N.S. unit close to

excessive heat.

3. Do not use any pad which size is less than

40mm X 40mm.

4. Use only the specified batteries: 2x 1.5volt

AA Alkaline (LR6). The use of any other

battery could damage the unit.

5. Remove batteries if unit is not used for a

long period of time.

6. Do not use the unit while asleep.

7. Keep the unit away from sources of high

magnetic fields such as TV’S, microwave ovens

and hi-fi speakers, as these may affect the LCD

screen.

8. Temperature & R.H. of storage: -20--+80, 8%--

80% R.H.

9. Temperature & R.H. of transportation: -20--+80,

8%--80% R.H.

1,2,3,4,5,10,12,14,16,18,20,25,

30, 35, 40, 50, 60, 70, 80, 90,

100,110,120,130,140,150,

D. Output voltage range

The output voltage of two channels can be adjusted

individually in 20 steps. For 500Ωload, the output

The peak pulse output current of two channels can be

adjusted individually in 20 steps. For 500Ωload, the

output voltage can be change from 12mA to 150 mA

in steps of 7 mA roughly.

E. Peak pulse output current

The peak pulse output current of two channels can be

adjusted individually in 20 steps. For 500-ohm load,

the output voltage can be change from 12mA to

150mA in steps of 7mA roughly.

RED & BLACK FASTENERS ON LEADS

At the end of the leads supplied with your unit, you

will find red and black adapters. these are Cathode

and Anode respectively. The following general points

are made for your information:

1. More sensation tends to come from the black

adapter(Cathode).

421

Amplitude

Time

(2).Mono-Phasic waveform

Amplitude

Time

B. Pulse duration

Except Mode B, Mode D Mode E, which pulse

duration can not be adjusted, by pressing PW+ or

PW- key, the pulse width can be adjusted from

50μS to 250μS in step of 10μS.

C. Pulse frequency

Except M Mode B and Mode E, with a pulse rate,

by pressing PR+ or PR- key, the pulse width can

be adjusted to one of the following values (Hz):

CONTENTS

Prescribing Information ……………………………1

Contents ……………………………………………5

Operating Instruction for Physician……………….6

Instruction For Use…………………………………6

How to Assemble Your Unit……………………….7

After Use…………………………………………….12

Operation of the T.E.N.S .Unit………..…………..13

Specification………………………………………..17

Features…………………………………………….18

Detail Information…………………………………..22

OPERATING INSTRUCTIONS FOR PHYSICIAN

INTENDED USE

T. E. N. S. Stands for (Transcutaneous Electrical

Nerve Stimulation). This T.E.N.S. system is used to

provide symptomatic pain relief for chronic, acute or

post-operative pain.

HOW DOES T.E.N.S. WORK

T.E.N.S. is believed to work by stimulating your

body's own natural defenses against pain.

The unit produces a gentle stimulus through pads

normally placed over the area of pain. This stimulus

helps the body to produce natural pain relievers

called endorphins.

The correct positioning of the pads is important.

Some people feel immediate benefit from T.E.N.S.

However some may only achieve benefit after

repeated treatment sessions and over an extended

period of time.

INSTRUCTIONS FOR USE

Your T.E.N.S. Pain Relief unit has been designed to

be simple and easy to use.

5. Two knobs on top of the unit adjust the

intensity by turning in clockwise or counter-

clockwise.

6. By pressing “PR-”key and “PW-”key

simultmeously, the waveform can be

changed in two types.

7. By pressing “timer key”for 2 seconds the

unit will be locked or unlocked in toggle.

While the unit is locked, all parameters

can not be adjusted except timer and

intensity. By pressing ON/OFF key can

not change the status of locked/unlocked.

8. When the batteries are low, the symbol of

battery is flashing in 2Hz indicating that

the batteries should be replaced.

9. Automatic shut off: When the unit intensity

levels are 0 on both channels, and it has

not been in use for 5 minutes, the unit will

be shut off automatically.

Detail information regarding to the Waveform,

Pulse duration, Pulse frequency, Output

voltage range, and Peak pulse output current:

A. Waveform

There are 2 types of waveforms:

(1). Symmetrical Bi-Phasic rectangular waveform

100µS in the next 6 seconds. Pulse rate is

selectable.

Mode E--- Modul II, Pulse rate and Pulse width

Modulation.

Frequency increase from 50Hz to 100Hz while

pulse width decrease from 200µS to 60µS

within 5 seconds.

Treatment timer:

Continuous,15min,30min,45min,60min, 90min

selectable.

FEATUERS

1. When mode changes, the intensity will

automatically go down to zero;

2. When the unit is turned on, it will

automatically enter the mode that the unit

had worked in before the unit was turned

off;

3. When the treatment timer is set, it will

begin to count down one minute by one

minute; Once it count down to Zero, the

unit will automatically shut off;

4. When the pulse rate, pulse width or

intensity is being adjusted, the auto-repeat

function is available, when the key is held

down over 1 seconds, it will automatically

increased/decreased 1 step per 1/4

seconds.

CONTENT IN THE PACK

Your TENS pack should contain the following:

•1 x T.E.N.S. Unit

•2 x Leads

•4 x Self Adhesive Pads with Connectors

(size: 40mm X 40mm)

•2 x Alkaline AA1.54V (LR6) Batteries

•1 x Instruction Booklet (which you are

reading)

Having checked all the contents are correct

please proceed to assemble the unit.

HOW TO ASSEMBLE YOUR UNIT

Assembly of the TENS AA unit is very simple

and requires only five steps.

STEP 1 BATTERIES

Remove the battery cover and insert two

batteries, as shown on the diagram inside the

battery compartment. Replace the battery

cover.

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