Philips PR3841 User Manual

PR3841

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PR3841

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Table of contents
Important	4
Glossary	4
Introduction	5
Intended use	5
Device description	5
Benefits and risks	6
Important safeguards	8
How the device works	13
Pre-set programs	14
Signals on the device	18
Preparing for use	19
Using the device	20
After use	27
Assistance	30
Troubleshooting	30
Replacement	32
Accessories	32
Full Two-Year Warranty	33
45-Day Money-Back Guarantee	34
Battery recycling	35
Compliance information	36
Specifications	38
Explanation of symbols	41
Electrode placement guide	48

Important

Pay special attention to all warnings, precautions and contraindications in this user manual. Follow them strictly during use. Save the user manual for future reference.

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Glossary

-- CE: Conformité Européenne

-- CEC: California Energy Commission -- EC: European Commission

-- EMS: electrical muscle stimulation -- EU: European Union

-- FCC: Federal Communications Commission -- OTC: over the counter

-- RF: radio frequency

-- TENS: transcutaneous electrical nerve stimulation -- USB: universal serial bus

Introduction

Thank you for buying this product.If you want to benefit fully from the support that Philips offers, please register your product at www.philips.com/pain-relief/ register.The PulseRelief device is available without prescription.To get the best possible results with this device, we advise you to follow the instructions in this user manual. If you have questions or need extra information, go to www.philips.com/pain-relief or call toll-free

1-844-531-6861 (Monday - Saturday 9:00 AM - 9:00 PM EST,Sunday 9:00 AM – 6:00 PM EST,

excluding Major Holidays).

Intended use

The OTCTENS/EMS stimulator PulseRelief is designed to be used for temporary relief of pain associated with sore and aching muscles in the shoulder,waist,back, neck,upper extremities (arm),and lower extremities (leg) due to strain from exercise or normal household workactivities.It should be applied to normal,healthy, dry and clean skin of adult patients.And is to be used for stimulate healthy muscles in order to improve and facilitate muscle performance.

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Device description

6 7

1On/off button

2Status indicator

3Detachable connector

4 Micro-USB socket of device

5 Battery indicator

6Adapter

7 Socket for standard USB plug

8Standard USB plug

9Micro-USB plug

10Self-adhesive hydrogel electrodes

Benefits and risks

Benefits

TENS programs can help relieve pain in muscles that are sore and aching due to exercise or normal household work. EMS programs make muscles contract. Muscle contraction may improve and facilitate muscle performance.

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Risks

General risk

TENS only treats symptoms. It reduces the feeling of pain, but it does not cure the cause of the pain. Pain may be a signal from your body that some part of your body is damaged and needs attention.

Specific risks

-- You may get skin irritation and burns under the electrodes applied to your skin.

-- You may get a headache or other pain if you use the device near your eye, or on your head or face.

-- You may feel faint or sick during or after use of the device. -- Some reddening of the skin under or around the electrodes may occur during and shortly after

EMS treatment. Skin reddening usually disappears within two hours after treatment. If the skin continues to be red for more than a day,

please consult your physician.

-- You may experience muscle exhaustion or muscle soreness after extended use of the EMS programs on the same muscles (more than 30 minutes a session, up to 3 times a day). 

Stop using the device and consult your physician if you experience adverse reactions from the device.

To ensure safe usage of the device, follow the instructions in this user manual. Read the contraindications, warnings and precautions sections before you use this device.

If you are not sure if the device is suitable for you, consult your physician before using this device.

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IMPORTANT

SAFEGUARDS

Contraindications

Do not use this device with the following medical devices: -- Implanted electronic medical devices,such as pacemakers.

This may cause electric shock,burns,or death.

-- Electronic life support equipment, such as respirators. -- Electronic medical devices worn on the body, such

as electrocardiographs.

If you use this device together with other electronic medical devices, these devices may not work correctly.

Warnings

-- If you are in the care of a physician, consult your physician before you use this device.

-- If you have had medical or physical treatment for your pain, consult your physician before you use this device.

-- If your pain does not improve, becomes more than mild, or continues for more than five days, stop using the device and consult your physician.

-- Consult your physician before you use this device. The device may cause lethal disturbances to the heart rhythm in susceptible individuals.

-- Do not use the device if you have a cognitive impairment (e.g.dementia,Alzheimer’s disease).

People who have a cognitive impairment may be unable to use the device according to the instructions and may become agitated by the treatment.

-- Do not apply electrical muscle stimulation (EMS) over painful areas. If you have painful areas, consult your physician before you use the device.

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--	Do not use the device on children, as it has not


	been evaluated for pediatric use.
--	Do not use the device on your neck.This could
	cause severe muscle spasms that may result in
	closure of your airway, breathing difficulties, or
	adverse effects on heart rhythm or blood pressure.
--	Do not use the device across your chest.
	The device introduces electrical current.
	Using the device in your chest may cause rhythm
	disturbances to your heart, which could be lethal.
--	Use the device only on normal, intact, clean, and
--	Use the device only on normal, intact, clean, and
	healthy skin.
,,	Do not use the device over open wounds or
,,	rashes, and over swollen, red, infected,
	or inflamed areas or skin eruptions
	(e.g.,phlebitis,thrombophlebitis,varicose veins).
	(e.g.,phlebitis,thrombophlebitis,varicose veins).
--	Do not use the device over, or close to,
	cancerous lesions.
--	Do not place the electrodes simultaneously on both
	legs, both arms, or on the soles of both feet.This may
	have adverse effects on your heart rhythm.
--	Do not place the electrodes inside body cavities,
	e.g. the mouth.This may cause skin irritation,
	skin burns or electrical shocks.This device is not
	designed for internal application.
--	Do not use the device in the presence of
	electronic monitoring equipment (e.g., cardiac
	monitors, ECG alarms).This equipment may not
	operate properly when the electrical stimulation
	device is in use.
--	Do not use the device when in the bath or shower.
--	Do not use the device while sleeping.

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-- Do not use the device while driving, operating machinery, or during any activity in which electrical stimulation can put you at risk of injury.

-- Do not modify the device or the electrodes. This could cause improper functioning.

-- As the electrical performance characteristics of electrodes may affect the safety and effectiveness of electrical stimulation,take the following into account:

1If the electrodes are too small or not correctly applied, this may result in discomfort or skin burn.

2Contact the manufacturer of the device, if you do not know if the electrode can be used with the device.

Precautions

-- TENS is not effective for pain of central origin, including headache.

-- TENS is not a substitute for pain medications and other pain management therapies.

-- TENS devices have no curative value.

-- TENS is a symptomatic treatment. It suppresses the sensation of pain that normally serves as a protective mechanism.

-- AsTENS treatment may not be effective for everyone, consult your physician or healthcare professional to find out ifTENS will work in your case.

-- The long-term effects of electrical stimulation are unknow

-- Because the effects of stimulation on the brain are unknown, do not use the device on opposite sides of your head.

-- Electrical stimulation or the electrical conductive gel may cause skin irritation or hypersensitivity.

-- If you have suspected or diagnosed heart disease, follow the precautions from your physician.

-- If you have suspected or diagnosed epilepsy, follow the precautions from your physician.

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-- Use caution if you are likely to have internal bleeding, for instance, after injuries or fractures.

-- If you had surgery recently, consult your physician before you use the device. Using the device may disrupt the healing process.

-- Use caution when you use the device over areas of skin that lack normal sensation.

-- The impact of using this device during pregnancy is unknown. It may be not safe.

-- Use caution when you use the device over the uterus during pregnancy or menstruation.

-- Keep this device out of the reach of children. -- Do not use the device or an electrode if it is damaged.Always check the device and the

electrodes for damage before use.

-- Replace the self-adhesive electrodes if they no longer stick firmly to your skin.

-- Do not use plaster or tape to attach the electrodes to the skin.

-- Make sure that the electrodes do not touch metal objects, such as belt buckles or necklaces.

-- Use this device only with Philips self-adhesive hydrogel electrodes, and the Philips adapter and USB cord supplied with the device.

-- Use burst TENS programs while sitting or lying. These programs can result in muscle contractions.

-- Always end the treatment in the Philips Treatment App or press the on/off button on the device before you remove the device or the electrodes. If you do not end the treatment, you may get an unpleasant sensation in your fingers when you touch the magnets.This sensation is not harmful, but it can be unpleasant.

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General recommendations

-- Read this user manual carefully and always follow the treatment instructions.

-- Do not use this device for any other purpose than what it is intended for.

-- This device is designed for use by and on a single adult person. For hygienic reasons electrodes should not be shared.

-- Do not use EMS stimulation to contract a muscle if contraction of the muscle may disrupt healing. For instance, muscle contraction may exacerbate the tear if a muscle or tendon is torn. After a recent surgical procedure, an acute trauma or a fracture, EMS stimulation may have an adverse effect on the healing process. Muscle contraction in case of tendinitis may also worsen symptoms.

-- Do not use the device if you are connected to high-frequency surgical equipment.This may result in burns on the skin under the electrodes and may damage the device.

-- Do not use the device within less than 39 inches

(1 meter) from shortwave or microwave medical equipment. Close proximity to this equipment may cause unstable device output.

-- Do not use the device if it is closer than 12 inches

(30.5cm) to wireless communication equipment, such as wireless home network routers, cell phones, cordless phones and their base stations, and walkietalkies.The electromagnetic interference of this wireless communication equipment may prevent the device from operating properly.

-- The device is not waterproof. Do not use the device in wet surroundings.

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-- Although you can use the device indoors and outdoors, it does not withstand all weather conditions.

-- The device does not withstand temperatures higher than 104°F (40°C) or lower than 41°F (5°C).

-- The electrodes have a limited shelf life.Please check the packaging for the use-by date before use.Do not use electrodes whose use-by date has expired.

-- Always use and store the electrodes according to the instructions.

-- If the device does not function as described here, stop using it and call toll-free 1-844-531-6861 (Monday - Saturday 9:00 AM - 9:00 PM EST, Sunday 9:00 AM – 6:00 PM EST, excluding Major

Holidays).

SAVE THESE INSTRUCTIONS

How the device works

TENS

TENS is a non-invasive pain relief method. Healthcare professionals, such as chiropractors, physicians and physiotherapists, often use this method.TENS relieves pain in a way similar to rubbing the pain away.

By rubbing,you cause a different skin sensation to mask pain.The device generates electrical pulses.Selfadhesive electrodes are placed on the skin close to the area of pain. The device delivers pulses across the skin through these electrodes.This activates the underlying sensory nerves.You can choose 15 pre-setTENS programs with different pulse settings. In each program, you can adjust the intensity of the pulse.

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EMS

EMS is a method for muscle conditioning. It uses a device and electrodes placed on the skin.

The electrodes are placed near the muscle to be stimulated.The device generates electrical pulses and passes these pulses across the surface of the skin to activate the underlying motor nerves.

This makes the muscle contract. Contraction helps to condition the muscle.You can choose from

5 pre-set EMS programs. In each program, you can adjust the intensity of the pulse.

Pre-set programs

The device comes with 15 pre-set programs for TENS and 5 pre-set programs for EMS.The order of the programs in the list does not mean that certain programs are more suitable for specific conditions than others. As the effect of a treatment program may strongly differ from person to person, we advise you to try out different treatment programs to find out which one works best for you.

Program overview

ConventionalTENS programs

ConventionalTENS programs deliver

high-frequency stimulation.Their working mechanism is based on the Gate ControlTheory.This theory states that stimulation blocks the transmission of pain signals.

It is similar to rubbing away pain. Most people use conventionalTENS for 30 minutes per session. You can use it as often and as long as it feels comfortable.You will notice the effect most clearly

during use.The effect generally wears off rather quickly after use.Adjust the intensity so that you clearly feel the pulses.Treatment must not feel unpleasant or painful.

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Name of	Program description	Suggested
conventional		treatment
TENS program		time

Conventional	May give you a continuous tingling	No limit
	stimulation
Thorough	May give you a more thorough	No limit
stimulus	stimulating sensation
Pre-activity	May give you a more local and soft	No limit
	stimulating sensation
Soft stimulus	May give you a softer stimulating	No limit
	sensation, e.g. for sensitive body parts
Deep stimulus	May give you a deeper stimulating	No limit
	sensation
Radiating pulse	May give you a more radiating	No limit
	stimulation sensation

BurstTENS programs

Burst TENS uses high-frequency stimulation that comes in trains of pulses.This triggers the release of endorphins, which are painkillers produced by the body.You can use burst TENS for 30 minutes several times a day. Adjust the intensity of the burst program so that you feel the pulses strongly.The sensation can be slightly unpleasant. Set the intensity to a level that causes visible muscle contractions in the treatment area.These contractions are not harmful. If you find them too uncomfortable, decrease the intensity, choose a different program, or move the electrodes to a different place. Use burst TENS programs

while sitting or lying. Burst TENS can lead to muscle contraction in the treatment area.

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Name of	Program description	Suggested
burst TENS		treatment
program		time

Continuous	May give you a pulsing burst stimulation to	30 min.*
burst	release endorphins in your body
Slow	May give you a slower and massaging burst	30 min.*
kneading	stimulation to release endorphins
Mild	May give you a milder burst stimulation to	30 min.*
kneading	release endorphins in your body
Deep	May give you a more local and deeper	30 min.*
kneading	burst stimulation to release endorphins in
	your body
Diffuse	May give you a more diffused burst	30 min.*
burst	stimulation to release endorphins in your
	body

* optionally multiple times a day, can be changed in the app

Frequency-modulatedTENS programs

Frequency-modulated TENS uses pulses that vary from high frequency to low frequency. In some cases, this program may be more comfortable or effective than the other programs.You can use frequencymodulated TENS for 30 minutes several times a day.

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