BS 90 - Blood pressure monitor BOSO - Free user manual and instructions
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USER MANUAL BS 90 BOSO
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Medical-style dial pressure monitor with stethoscope and black body (no text or symbols visible)natural_image
Illustration of a hand performing a finger massage on a forearm (no text or symbols)1 blood pressure instrument with cuff and stethoscope
1 set of instructions for use
1 case
Symbols on the blood pressure monitor
Symbol Function/meaning
| CE0124 | Device complies with the European Medical Devices Directive |
| Year of manufacture |
Preliminary remarks
This blood pressure instrument complies with the international standard ISO 81060-1.
All Calibration testing –at least every two years—, has to be carried out either by the manufacturers or the cal authorised dealer in accordance with the relevant distributor directives.
A modification of the device and/or the accessories is not permitted. This can lead to measurement errors. The device can be used by any user skilled in auscultatory blood pressure measurement.
Purpose:
Non-invasive recording of systolic and diastolic blood pressure in humans. The instrument can be used with any arm circumference as shown on the corresponding cuff.
Important
Keep this unit from being knocked or dropped, and protect it from dirt and moisture. Care has bo be taken to puncture the cuff with any sharp instruments (Scissors, Needles).
Do not inflate to above 300 mmHg !
Measurement time should be ca. 2 minutes maximum. Between measurements allow an interval of at least minutes.
Please use only boso cuffs.
The cuff must be selected such that it fits the cumference.
What you should know about your blood pressure
Your heart is your engine for life. You know that you also know how it works?
Constant overcharge means increased wear and tea or in other words, a shorter life expectancy.
Your blood pressure tells you the power your heart produces, or has to produce.
Aconstantly raised blood pressure means more stress pressure.
a lower blood pressure, less stress on your heart.
Blood pressure which is constantly above the normal rates leads – in time – to serious health problems such as arteriosclerosis, heart attacks, strokes, and sometimes kidney failure, and retinitis.
Early diagnosis and treatment of lasting hypertension
(high blood pressure) can help prevent these risks. It is advisable therefore – especially from the age of um to have your blood pressure checked several times st 2 during the year. If high blood pressure is recognised, you should monitor your blood pressure for several consecutive days, mornings and evenings, at roughly the same time and in the same body position (sitting lying down), generally after ca. 5 minutes rest. This e sures your circulation is normal, this providing equal conditions for comparable measurements. If your blood pressure remains constantly above but do normal over a period of several days, you should not hesitate to consult your doctor and show him your record card with the measurements taken.
He will make the correct diagnosis and if necessary, prescribe the necessary medication to lower your blood pressure.
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Do not get alarmed if on occasions you measure a higher blood pressure than normal. Blood pressure changes constantly, because the heart adepts to the physical demands of the body.
It is perfectly normal for blood pressure to increase substantially after physical exercise, as well as after exceptional psychological influences such as shock, fear, excitement etc.
Only if a constantly high blood pressure is found complete rest, you have real hypertension, which further increases dangerously under physical or mental stress.
| Systolic Diastolic | |
| Too high over 140Normal – borderline | mmHg over 90 mmHg130 to 139 mmHg 85 to 89 mmHg |
| Normal 120 to 129Optimum up to 119 | mmHg 80 to 84 mmHgmmHg up to 79 mmHg |
Although hypotension (low blood pressure) can cause uncomfortable symptoms like vertigo and general exhaustion, the sub-normal blood pressure does not represent a serious health risk. It can generally be regarded as a „resting mode” for your engine heart, with a higher life expectancy.
The World Health Organization (WHO) has set the following guideline for the assessing of blood press values:
Whether medical treatment is necessary depends not only on the blood pressure, but also on the patient's risk profile. Please contact your GP if one of the val-ues (systole, diastole) consistently exceeds the cut-off point for high blood pressure.
Self-measurement of blood pressure often produces somewhat lower values at home than at the doctor's. The German Hypertension League has therefore defined lower cut-off values for home measurements:
Home measurement: 135/85 mmHg Measurement in the doctor's surgery: 140/90 mmHg
How to measure your Blood Pressure
1.) Sit down comfortably and relaxed in a chair with arm rests, or at a table onto which you can place your arm at a slight angle.
2.) not cross his/her legs
3.) rest his/herback and arms on the chair or another surface
4.) have the centre of the cuff placed on the upper arm at the level of the heart
5.) Uncover your left arm and place your forearm on the table. On the inside of the upper arm, ca. 2 cm above your elbow, your can feel your pulse (aorta) with your finger tips.
6.) Make sure that there is no pressure on the arm from the pushed-up sleeve to restrict the circulation. Tight clothing is best removed before taking your blood pressure. 8.)

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with place ther7.) Slide the open cuff over your upper arm until the lower cuff edge is ca. 2 - 3 cm away from the bow. The rubber tubes should extend down from the cuff. The special care that the membrane in cuff is positioned directly over the pulse located earlier. The more precise you position the membrane the clearer and louder you will be able to hear the sounds of the artery.
8.) relax as much as possible and keep silent while his/her blood pressure is being measured
9.) be calm for 5 minutes before the first reading
The following phases are recommended in the case of auscultatory measurement
- adults: phase V (K5)
- children aged 3 to 12: phase IV (K4)
- pregnant women: phase V (K5), except when sounds are audible when the cuff is deflated: in this case phase IV (K4) Korotkoff sounds should be used.
K5 is the point at which tones heard through the stethoscope are no longer audible
K4 is the point at which tones heard through the stethoscope change from a clear sound to a muffledsound.

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e of this ste-10.) D-Ring Velcro Cuff
Inscriptions:
“mmHg” is the unit in which blood pressure is measured. The cuff must not be fitted over wounds as this “shock protected” = the instrument has been tested and could lead to further injury.
foundtoworkcorrectly afterbeing droppedfrom aheight of up to one metre.
Blood pressure must always be measured on the arm with the higher pressure values.
To do this, first measure blood pressure on both arms and subsequently always on the arm which produced the higher reading.
Draw the cuff close. Place the free end outwards Should you still hear pulsing sounds through the over the upper arm (see Illustration) and close the stethoscope, continuetoinflateuntilthesesounds velcro fastening. stop, which indicates that the circulation is disrupted.
The cuff should fit firmly around the upper arm, but not exert any pressure on the artery before 8.)inflation. If you can insert a finger between cuff and upper arm, the cuff sits correctly.
Open the valve very slightly with thumb and forefinger and watch the slow decrease in pressure on the manometer. The rate of deflatio between systole and diastole should be in the range of 2 – 3 mmHg per second, ie there should be an interval of ca. 20 – 25 seconds for the pointer on the scale to move from 150 to 100. avoid a reading error, read the pressure values perpendicular to the scale.
11.) Put on the stethoscope allowing the earpieces of the head frame to fit well inside your ears. These arms can be rotated within their spring so that they can be positioned individually.
12.) Now place the arm with the cuff back on the table, comfortably, slightly angled, resting.
Take the manometer into your right hand, holding it around the pump, with the thumb and foregigner onthevalvescrew.Closethevalvewitharightturn and pump up the cuff steadily, watching the manometer.
Continue to pump until the indicator on the manometer exceeds your usual blood pressure by ca. 30 mmHg.
- When you hear the first clear arterial sound (knocking sound) through the stethoscope you can read the systolic (upper) blood pressure on the manometer scale.
- When the arterial sound stops, you can read the diastolic (lower) blood pressure.
14.) After you have taken your readings, open the valve screw fully turning it to the left, to allow air to be released swiftly from the cuff.
If you want to repeat your measurement, allow at least two minutes for your circulation to go back to normal. If no further measurements are required, remove the cuff.
Cleaning of Unit and Cuff
To clean the unit only use a dry, soft cloth. To clean how remove the rubber bag. The exterior of the cuff can be washed by hand at a maximum temperature of 30 degrees Celsius.
Technical Data
Measurement range: 0 - 300 mmHg
Accuracy of Pressure shown: ± 3 mmHg or 2% of the reading (whichever is greater)
Storing conditions:
-30^ – 70^ , 15 – 85% rel. humidity
Operating conditions:
10^ - 40^, 15 - 85% rel. humidity
Disinfection
For disinfectant wipes (at least 5 minutes exposure time) of the device and the cuff, we recommend the disinfectant mikrozid sensitive liquid (Schülke & Mayr). To disinfect the cuff, we recommend spray disinfection
Guarantee information
Disposal
We give 3 years warranty from the date of purchase. Please ensure that the device is disposed of acco The purchase date has to be proven by the invoicing with all regional and national environmental re-hin the warranty period defects are eliminated free oulations.
charge. After repairs the warranty period is not extended on the whole unit, but only to the replaced components.
Excluded from the warranty are parts subject to normal wear and tear (e.g. cuff), transport damages and any damage caused by improper handling (e.g. non-compliance with the instructions for use). Damages due to disassembly by unauthorized persons are also excluded from warranty.
No claims for damages against us are substantiated by the warranty.
In the case of justified warranty claims the device has to be sent along with the original invoice to:
BOSCH + SOHN GMBH U. CO. KG, Bahnhofstr. 64, D-72417 Jungingen.

Mode d'emploi
Contenu
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Illustration of a hand holding a blood pressure monitor with an arrow indicating pressure direction (no text or symbols)Conditions de stockage:
-30°C - 70°C, 15 - 85% humidité relative