B.Well WA-77 User Manual

I n s t r u c t i o n m a n u a l / И н с т ру к ц и я п о э к с п л у а та ц и и / Пайдалану нұсқаулығы

ПРИБОР ДЛЯ ИЗМЕРЕНИЯ АРТЕРИАЛЬНОГО ДАВЛЕНИЯ

WA-77

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«Talking» Automatic Blood Pressure Monitor WA-77

Instruction manual

Read the instructions carefully before using this device

Batteries and electronic instruments must be disposed of in accordance with the locally applicable regulations, not with domestic waste

Type BF applied part

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Instruction manual	WA-77
Automatic Blood Pressure Monitor WA-77
Instruction Manual
Table of contents
1. Introduction...............................................................................................................................	4
1.1. Features of the WA-77..........................................................................................................................................	4
1.2. Important information about self-measurement.................................................................................................	4
2. Important information on the subject of blood-pressure and its measurement...............................	5
2.1. How does high blood-pressure arise?...................................................................................................................	5
2.2. Table for classifying blood-pressure values ..........................................................................................................	6
2.3. Pulse Arrhythmia Detection..................................................................................................................................	8
2.4. Traffic Light Indication in the Display ...................................................................................................................	8
3. The various components of the blood-pressure monitor.................................................................	9
4. Putting the blood-pressure monitor into operation.......................................................................	11
4.1. Inserting the batteries .........................................................................................................................................	11
4.2. Using a mains adapter..........................................................................................................................................	11
4.3. Tube connection...................................................................................................................................................	12
4.4. Changing the language........................................................................................................................................	12
5. Carrying out a measurement........................................................................................................	12
5.1. Before the measurement......................................................................................................................................	12
5.2. Common sources of error.......................................................................................................................................	12
5.3. Fitting the cuff......................................................................................................................................................	13
5.4. Measuring procedure...........................................................................................................................................	14
5.5. Discontinuing a measurement..............................................................................................................................	15
5.6. Memory – displaying the last measurement........................................................................................................	15
6. Error messages/malfunctions.......................................................................................................	15
7. Care and maintenance, recalibration............................................................................................	18
8. Reference to standards................................................................................................................	19
9.Technicalspecifications................................................................................................................	19
10.Guarantee.................................................................................................................................	20

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			Instruction manual	WA-77
		1. Introduction
		1.1. Features of the WA-77
		Thank you for purchasing the B.Well upper arm blood pressure monitor WA-77. Designed for convenient and easy operation, this device provides fast and
		reliable measurement of systolic and diastolic blood pressure as well as heart rate using the oscillometric measurement method.
		Your blood pressure is an important parameter that can be used to monitor your health. High blood pressure (hypertension) is a serious health problem that
		is frequently found in the modern world. This device enables you to monitor your blood pressure regularly.
		The WA-77 is a fully automatic, digital, upper arm blood pressure measuring device.
		•	Voice maintenance of process of measurement. The device is equipped with voice function in three languages (English, Russian, Kazakh).
		•	Up-to-date Fuzzy logic technology provides the individual level of cuff infl ation for quick, precise and painless result.
		•	The Pulse Arrhythmia Detection technology with an audible sound signal which warns about the malfunctions of normal rate and periodicity of
		•	systole during the measurement
			Big 3-line LCD screen with coloured blood pressure indication scale according to European Society of Hypertension (ESH)
		•	One convenient button with backlight
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		•	Last measurement memory
		•	ЕАСuff М – L, for arm circumference 22-42 cm, washable
		•	Blood pressure level imaging according to European Society of Hypertension (ESH)
		•	Battery life indicator
		•	Automatic switch off
		•	The possibility to use mains adapter
		•	This device is easy to use and has been proven in clinical studies to provide excellent accuracy.
		•	Before using the WA-77, read this instruction manual carefully and keep it in a safe place. For further questions on the subject of blood-pressure and

its measurement, please contact your doctor.

1.2. Important information about self-measurement

•Do not forget: self-measurement means control, not diagnosis or treatment. Unusual values must always be discussed with your doctor. Under no circumstances should you alter the dosages of any drugs prescribed by your doctor.

•The pulse display is not suitable for checking the frequency of heart pacemakers!

•In cases of cardiac irregularity (Arrhythmia), measurements made with this instrument should only be evaluated after consultation with the doctor.

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Electromagnetic interference:

The device contains sensitive electronic components (Microcomputer). Therefore, avoid strong electrical or electromagnetic fi elds in the direct vicinity of the device (e.g. mobile telephones, microwave cookers). These can lead to temporary impairment of the measuring accuracy.

2. Important information on the subject of blood-pressure and its measurement

2.1. How does high blood-pressure arise?

The level of blood-pressure is determined in a part of the brain, the so-called circulatory centre, and adapted to the respective situation by way of feedback via the nervous system.

To adjust the blood-pressure, the strength and frequency of the heart (Pulse), as well as the width of circulatory blood vessels is altered. The latter is effected by way of fi ne muscles in the blood vessel walls.

The level of arterial blood-pressure changes periodically during the heart activity: During the «blood ejection» (Systole) the value is maximal (systolic bloodpressure value), at the end of the heart’s «rest period» (Diastole) minimal (diastolic blood-pressure value).

The blood-pressure values must lie within certain normal ranges in order to prevent particular diseases.

2.2 Which values are normal?

Blood pressure is too high if at rest, the diastolic pressure is above 90mmHg and/or the systolic blood-pressure is over 160mmHg. In this case, please consult your doctor immediately. Long-term values at this level endanger your health due to the associated advancing damage to the blood vessels in your body.

Should the systolic blood-pressure values lie between 140mmHg and 160mmHg and/or the diastolic blood-pressure values lie between 90mmHg and 100mmHg, likewise, please consult your doctor. Furthermore, regular self-checks will be necessary.

With blood-pressure values that are too low, i.e. systolic values under 100mmHg and/or diastolic values under 60mmHg, likewise, please consult your doctor.

Even with normal blood-pressure values, a regular self-check with your blood-pressure monitor is recommended. In this way you can detect possible changes in your values early and react appropriately.

If you are undergoing medical treatment to control your blood pressure, please keep a record of the level of your blood pressure by carrying out regular selfmeasurements at specifi c times of the day. Show these values to your doctor. Never use the results of your measurements to alter independently the drug doses prescribed by your doctor.

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Table for classifying blood-pressure values (unit: mmHg) according to European Society of Hypertension (ESH) (see point 2.4)

	Range	Systolic	Diastolic	Measures
		blood pressure	blood pressure
	Grade 3: severe hypertension	Higher or equal to 180	Higher or equal to 110	Urgently seek medical advice!
	Grade 2: moderate hypertension	160-179	100-109	Consult your doctor immediately
	Grade 1: mild hypertension	140-159	90-99	Consult your doctor
	High normal	130-139	85-89	Consult your doctor
	Normal	Lower than 130	Lower than 85	Self-check
	Optimal	Lower than 120	Lower than 80	Self-check

Further information

•If your values are mostly standard under resting conditions but exceptionally high under conditions of physical or psychological stress, it is possible that you are suffering from socalled «labile hypertension». Please consult your doctor if you suspect that this might be the case.

•Correctly measured diastolic blood-pressure values above 120mmHg require immediate medical treatment.

What can be done, if regular increased values are obtained?

•Please consult your doctor.

•Increased blood-pressure values (various forms of hypertension) are associated longand medium term with considerable risks to health. This concerns the arterial blood vessels of your body, which are endangered due to constriction caused by deposits in the vessel walls (Arteriosclerosis). A defi cient supply of blood to important organs (heart, brain, muscles) can be the result. Furthermore, with long-term continuously increased blood-pressure values, the heart will become structurally damaged.

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•There are many different causes of the appearance of high blood pressure. We differentiate between the common primary (essential) hypertension, and secondary hypertension. The latter group can be ascribed to specifi c organic malfunctions. Please consult your doctor for information about the possible origins of your own increased blood pressure values.

•There are measures which you can take, not only for reducing a medically established high blood pressure, but also for prevention. These measures are part of your general way of life:

A) Eating habits

•Strive for a normal weight corresponding to your age. Reduce overweight!

•Avoid excessive consumption of common salt.

•Avoid fatty foods.

B) Previous illnesses

•Follow consistently any medical instructions for treating previous illness such as:

•Diabetes (Diabetes mellitus)

•Fat metabolism disorder

•Gout

C) Habits

•Give up smoking completely

•Drink only moderate amounts of alcohol

•Restrict your caffeine consumption (Coffee)

D) Physical constitution:

•After a preliminary medical examination, do regular sport.

•Choose sports which require stamina and avoid those which require strength.

•Avoid reaching the limit of your performance.

•With previous illnesses and/or an age of over 40 years, please consult your doctor before beginning your sporting activities. He will advise you regarding the type and extent of types of sport that are possible for you.

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2.3. Pulse Arrhythmia Detection Appearance of the Arrhythmia indicator

The appearance of the symbol signifies that a certain pulse irregularity was detected during the measurement. The result can vary from your normal blood pressure. As a rule this is not a cause for concern; however, if the symbol appears more frequently (e.g. several times per week on measurements performed daily) or if it suddenly appears more often than usual, we recommend you inform your doctor.

Please show your doctor the following explanation:

Information for the doctor on frequent appearance of the Arrhythmia indicator

The device is an oscillometric blood pressure measuring device that also analyses the pulse frequency during measurement. The accuracy of this device has been clinically validated. If pulse irregularities occur during measurement, the arrhythmia symbolis displayed after the measurement. If the symbol appears more frequently (e.g. several times per week on measurements performed daily) or if it suddenly appears more often than usual, we recommend the patient to seek medical advice.

The device does not replace a cardiac examination, but serves to detect pulse irregularities at an early stage.

2.4. Traffic Light Indication in the Display

The coloured bars on the left-hand edge of the display show you the range within which the indicated blood pressure values lies. Depending on the height of the bar, the readout value is either within the normal (green), borderline (yellow and orange) or danger (red) range. The classifi cation corresponds to the 6 ranges in the Table as defi ned by the ESH and described on the table of the point 2.2 The recommendations of the European Society of Hypertension (ESH) allow to diagnose and treat the hypertension more effectively and do not contradict World Health Organization recommendations.

Indication of a «Normal» Blood Pressure

Indication of a «Borderline» Blood Pressure

Indication of a «Danger» Blood Pressure

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Instruction manual				WA-77
3. The various elements of your blood pressure monitor
The illustration shows the blood-pressure monitor WA-77, consisting of:
a) Measuring unit
			2
			1	6
	3	4	7	5
	Item		Function
1	O/I+Memory button		Press to start or stop measurement.
			And hold 3 sec to read memory readings
2	LCD screen		Your measured blood pressure and heart rate are displayed here.
3	Arm cuff connector		Connect the upper arm cuff here and place the cuff around your arm to measure your blood pressure.
4	Battery compartment		Insert the four AA batteries here.
5	DC 6V		Connect to adapter.
6	Speaker holes		Voice comes out from here.
7	Volume controller		Adjust volumes here.

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b) Cuff: optional

Cuff : optional

ЕАСuff М – L, for arm circumference 22-42 cm, washable

c) LCD screen scheme with symbol designation

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4. Putting the blood-pressure monitor into operation 4.1. Inserting the batteries

Follow these steps to insert four AA batteries in the device.

1. Open the battery compartment cover in the direction shown. 2. Insert the four AA batteries with the correct polarity

as indicated.

3. Re-place the battery compartment cover.

Attention!

•If the battery warning appears in the display, the batteries are fl at and must be replaced by new ones.

•After the battery warningappears, the device is blocked until the batteries have been replaced.

•Please use «AA» Long-Life or Alkaline 1.5V Batteries.

•If the blood-pressure monitor is left unused for long periods, please remove the batteries from the device.

Functional check: Press and hold the («O/I+Memory button») to test all the display elements. When functioning correctly all segments appear.

4.2. Using a mains adapter

1) Plug the mains adaptor into a 100-240 V, 50/60Hz power socket.

2) Plug the DIN plug into the socket at the right side of the instrument.

No power is taken from the batteries while

the mains adaptor is connected to the instrument.

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Warning

If You need mains adapter, You may purchase it separately. Use only the mains adaptor AD-155. The use of any other adapters can make your warranty void.

4.3. Tube connection

Insert the cuff tube into the opening provided on the left side of the instrument, as shown in the diagram.

4.4. Changing the language

You can change the language by using the following procedure:

1. While the device is switched off, hold the		button until you hear the word «Russian» and the display shows the letters <LAn>.

2.Keep the buttons pressed. The voice switches automatically to the next: «English» and then to «Kazakh». The procedure is changing back and forth at every 2 seconds.

3.Confi rm the selection by releasing the button until you hear the name of the desired language.

5. Carrying out a measurement 5.1. Before the measurement:

• Avoid eating, smoking as well as all forms of exertion directly before the measurement. All these factors infl uence the measurement result. Try and fi nd time to relax by sitting in an armchair in a quiet atmosphere for about ten minutes before the measurement.

• Remove any garment that fi ts closely to your upper arm.

• Measure always on the same arm (normally left).

• Attempt to carry out the measurements regularly at the same time of day, since the blood-pressure changes during the course of the day.

5.2. Common sources of error:

Note: Comparable blood-pressure measurements always require the same conditions! These are normally always quiet conditions.

•All efforts by the patient to support the arm can increase the blood-pressure. Make sure you are in a comfortable, relaxed position and do not activate any of the muscles in the measurement arm during the measurement. Use a cushion for support if necessary.

•If the arm artery lies considerably lower (higher) than the heart, an erroneously higher (lower) blood-pressure will be measured! (Each 15cm difference in height results in a measurement error of 10mmHg)

•Cuffs that are too narrow or too short result in false measurement values. Selecting the correct cuff is of extraordinary importance. The cuff size is depend-

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ent upon the circumference of the arm (measured in the centre). The permissible range is printed on the cuff. Microlife ЕАСuff М – L, for arm circumference 22-42 cm, washable, fi ts the most of adults. If this is not suitable for your use, please contact your dealer. Note: only use clinically approved Original-Cuffs!

•A loose cuff or a sideways protruding air-pocket causes false measurement values.

•With repeated measurements, blood accumulates in the respective arm, which can lead to false results. Correctly executed blood-pressure measurements should therefore fi rst be repeated after a 1 minute pause.

5.3.Fitting the cuff

a) Pass the end of the cuff (with sewn-in rubber stopper) through the metal stirrup so that a loop is formed. The Velcro closer must be facing outwards. (Ignore this step if the cuff has already been prepared.)

b) Push the cuff over the left upper arm so that the tube points in the direction of the lower arm.

c) Lay the cuff on the arm as illustrated. Make certain that the lower edge of the cuff lies approximately 2 to 3 cm above the elbow and that the rubber tube leaves the cuff on the inner side of the arm. Important! The mark (ca. 3 cm long bar) must lie exactly

over the artery which runs down the inner side of the arm.

d) Tighten the free end of the cuff and close the cuff with the closer.

e) There must be no free space between the arm and the cuff as this would influence the result. Clothing must not restrict the arm. Any piece of clothing which

does (e.g. a pullover) must be taken off.

f) Secure the cuff with the Velcro closer in such a way that it lies comfortably and is not too tight. Lay the arm on the table (palm upwards) so that the cuff is at the same height as the heart. Make sure that the tube is not kinked.

g) Remain seated quietly for two minutes before you begin the measurement.

Comment

If it is not possible to fi t the cuff to the left arm, it can also be placed on the right one. However all measurements should be made using the same arm.

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5.4. Measuring procedure

After the cuff has been appropriately positioned the measurement can begin:

a)Press the(«O/I+Memory button»), pump begins to inflate the cuff. In the display, the increasing cuff-pressure is continually displayed.

b)After reaching the infl ation pressure, the pump stops and the pressure slowly falls away.

The cuff-pressure (large characters) is displayed during the measurement.

c) When the device has detected the pulse, the heart symbol in the display begins to blink and a peep tone is audible for every pulse beat.

d) When the measurement has been concluded, a long beep tone sounds. The measured systolic and diastolic blood-pressure values as well as the pulse frequency are now displayed.

e) The appearance of the symbol signifi es that an irregular heartbeat was detected.

This indicator is only a caution. It is important that you be relaxed, remain still and do not talk during measurements. NOTE: We recommend contacting your physician if you see this indicator frequently.

f) The measurement results are displayed, until you switch the device off. If no button is pressed for 1 minutes, the device switches automatically off, to save the batteries.

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5.5. Discontinuing a measurement

If it is necessary to interrupt a blood pressure measurement for any reason

(e.g. the patient feels unwell), the («O/I+Memory button») can be pressed at any time. The device then immediately lowers the cuff-pressure automatically.

5.6. Memory – displaying the last measurement

The blood-pressure monitor automatically stores the last measurement value. By pressing the («O/I+Memory button») button for at least 3 seconds,

the last measurement will be displayed. If an irregular heartbeat interval was detected n any measurements stored in memory, the icon will be displayed.

Further information

Measurements should not occur soon after each other, since otherwise, the results will be falsifi ed. Wait therefore for at least 1 minute in a relaxed position, sitting or lying, before you repeat a measurement

6. Error messages/malfunctions

If an error occurs during a measurement, the measurement is discontinued and a corresponding error code is displayed

(Example: Error No. 1).

WA-77

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		Instruction manual		WA-77
		Error No.	Possible cause(s)
		Err 1	Pulse signals on cuff are too weak, no pulse has been detected.
		Err 2	Unnatural pressure impulses infl uence the measurement result. Reason: The arm was moved during the Measure-
			ment (Artefact).
		Err 3	Infl ation of the cuff takes too long. The cuff is not correctly seated.
		ERR 5	The measured readings indicated an unacceptable difference between systolic and diastolic pressures. Take another
			measurement following directions carefully. Contact you doctor if you continue to get unusual readings.
		«LO»	The pulse is too low (less than 40 beats per minute). Repeat the measurement.
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		«HI»	The pressure in the cuff is too high (over 300 mmHg) OR the pulse is too high (over 200 beats per minute). Relax for
			5 minutes and repeat the measurement.

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Other possible malfunctions and their elimination

If problems occur when using the device, the following points should be checked and if necessary, the corresponding measures are to be taken:

	Malfunction	Remedy
	The display remains empty when the instrument is switched on although	1. Check batteries for correct polarity and if necessary insert correctly
	the batteries are in place.	2. If the display is unusual, re-insert batteries or exchange them.
	The device frequently fails to measure the blood pressure values, or the	1. Check the positioning of the cuff.
		2. Measure the blood-pressure again in peace and quiet under observance
	values measured are too low (too high).
		of the details made under point 5.
	Every measurement results in different values, although the device func-	Please pay attention to the following information as well as the points
	tions normally and normal values are displayed.	listed under «Common sources of error» and repeat the measurement.
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	The blood pressure values measured differ from those measured by the	Record the daily development of the values and consult your doctor about
	doctor	them

Further Information

The level of blood-pressure is subject to fl uctuations even with healthy people. Important thereby is, that comparable measurements always require the same conditions (Quiet conditions)!

You must consult your specialist dealer or chemist if there are technical problems with the blood pressure instrument.

Never attempt to repair the instrument yourself! Any unauthorized opening of the instrument invalidates all guarantee claims!

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7. Care and maintenance, recalibration

a) Do not expose the device to either extreme temperatures, humidity, dust or direct sunlight.

b)The cuff contains a sensitive air-tight bubble. Handle this carefully and avoid all types of straining through twisting or buckling.

c)Clean the device with a soft, dry cloth.

You can machine wash the cuff cover at 30°C (do not iron!)

WARNING: Under no circumstances, however, may you wash the inner bladder! Always remove the sensitive

bladder from the sleeve before washing and replace it carefully again afterwards.

d) Do not drop the instrument or treat it roughly in any way. Avoid strong vibrations.

e) Never open the device! Otherwise the manufacturer calibration becomes invalid!

Periodical recalibration

Sensitive measuring devices must from time to time be checked for accuracy. We therefore recommend a periodical inspection of the static pressure display every 2 years. Your specialist dealer would be pleased to provide more extensive information about this.

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8. Reference to standards

Device standard: Device corresponds to the requirements of the European standard for non-invasive bloodpressure monitor EN1060-1

EN1060-3

EN1060-4 DIN 58130, NIBP – clinical investigation

ANSI / AAMI SP10, NIBP – requirements

Electromagn. compatibility: Device fulfi ls the stipulations of the European standard EN 60601-1/-1-2

The stipulations of the EU-Guidelines 93/42/EEC for Medical Products Class IIa have been fulfi lled.

	9. Technical specifications:
	Weight:	528g (with batteries + cuff )
	Size:	125(L) × 91(W) × 59(H) mm
	Storage temperature:	–5 to +50°C
	Humidity:	15 to 85% relative humidity maximum
	Operation temperature:	10 to 40°C
	Display:	LCD-Display (Liquid Crystal Display)
	Measuring method:	oscillometric
	Pressure sensor:	capacitive
	Measuring range:	SYS/DIA: 20 to 280 mmHg
	Pulse:
		40 to 200 per minute
	Cuff pressure display range:	0-299 mmHg
	Memory:	Storing the last measurement
	Measuring resolution:	1 mmHg
	Static Accuracy:	Pressure within ± 3 mmHg

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Pulse Accuracy	± 5 % of the reading
Power source:	4 dry cells (batteries), size AA 1.5V
AC Adapter	AD-155
Accessories:	ЕАСuff М – L, for arm circumference 22-42 cm, washable, 4 dry cells (Batteries), size AA,
Technical alterations reserved!	instruction manual, warranty card.

10. Guarantee

The blood-pressure monitor is guaranteed for 3 years from date of purchase. This guarantee includes the instrument. The guarantee does not apply to damage caused by improper handling, accidents, not following the operating instructions or alterations made to the instrument by third parties.

The guarantee is only valid upon presentation of the guarantee card fi lled out by the dealer.

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