ergodesk duo - ergoline GmbH
Contents
1. For software updates please contact your dealer or ergoline s service team Calibration From this menu item you access the functions to perform the necessary offset and pressure calibrations For more information refer to the Cleaning and Maintenance section in this manual 23 BLoo PRESSURE CuFFS ergodesk duo can be used with different sizes of cuffs length of tubing is always 120 cm Standard adult arm circumference 24 to 32 cm Large arms adult arm circumference 32 to 42 cm Standard child arm circumference 17 to 26 cm Select the appropriate cuff size see cuff label Undersized cuffs will yield too high a pressure whereas oversized cuffs yield too low a pressure Replace cuffs at regular intervals Damaged Velcro fasteners may prevent correct BP mea surements Curr APPLICATION Place the cuff on that arm of the patient which is used less frequently during normal daily activi ties on adults about 2 fingers breadth above the bend of the elbow on children a little closer Bending the arm must not change the cuff level 94 Note The side with the Patient label must face the skin The arrow should be located above the bra chial or femoral artery The cuff should fit snugly around the limb but not compress the blood vessels Ensure that the tube is not kinked or blocked during the measurement SPO2 SENSORS The SpO2 sensors are transmission sensors equipped with two LEDs with wa2. gt or the lt ENTER gt button to exit the calibration mode SPO2 CALIBRATION The SpO2 measuring unit does not require calibration or maintenance 28 DISPOSAL OF THE PRODUCT At the end of their service life the product described in this manual and its accessories must be disposed of in compliance with the waste control regulations applicable to this type of product It must not be disposed of with domes tic waste If you have questions regarding the disposal of the product or the accessories please contact ergoline or its representatives 29 TECHNICAL SPECIFICATIONS Blood Pressure Measurement Measuring method Measurement duration Systolic Diastolic Heart rate Cuff Connection Size Cuff pressure SpO2 Measurement Sp02 Accuracy Heart rate Accuracy Sensors Connection Sensor types Indicators Operating Controls Display Operating controls Interfaces PC connection Safety MDD product class Miscellaneous Dimensions W x D x H Operating temperature Rel humidity Ambient pressure Power supply oscillometric 30 to 45 s depending on patient 60 to 260 mmHg 40 to 220 mmHg 35 to 240 beats min Metal snap lock Rectus different sizes available 300 mmHg max adjustable 45 100 2 70 100 20 to 300 beats min 1BPM lt 100BPM 1 gt 100 BPM MiniMed socket different sensors available LCD membrane keypad digital interface USB GDT driver for Win
3. manual is a prerequisite for proper device performance and correct operation and ensures patient and user safety Please note that information pertinent to several chapters is given only once Therefore carefully read the entire manual cf German Medical Devices Operator Ordinance 89 section 1 and 82 section 5 This manual reflects the equipment specifica tions and applicable safety standards valid at the time of printing All rights are reserved for devices circuits techniques software pro grams and names appearing in this manual The ergoline quality management system complies with the standards EN ISO 9001 and EN ISO 13485 The safety information given in this manual is classified as follows Danger indicates an imminent hazard If not avoided the hazard will result in death or serious injury Warning indicates a hazard If not avoided the hazard may result in minor injury and or product property damage Caution indicates a potential hazard If not avoided the hazard may result in minor injury and or product property damage e To ensure maximum patient safety and interference free operation and to maintain the specified measuring accuracy we recom mend using only original accessories approved by ergoline GmbH e The warranty does not cover damage resulting from the use of unsuitable accessories and consumables from other manufacturers e ergoline is responsible for the safety reliab
4. 2 Class A Voltage fluctuations flicker emissions not applicable to IEC 61000 3 3 see 6 8 3 201 a 3 and Figure 201 31 Guidance and Manufacturer s Declaration Electromagnetic Immunity ergodesk duo is intended for use in the electromagnetic environment specified below It is the responsibility of the customer or user to ensure that ergodesk duo is used in such an environment Immunity Test IEC 60601 Test Level Compliance Level Electrostatic discharge ESD to IEC 61000 4 2 6 kV contact 8 KV air 6 kV contact 8 KV air Electrical fast transient burst to IEC 61000 4 4 2kV for power supply lines 1kV for input output lines 2kV for power supply lines 1kV for input and output lines Surges to IEC 61000 4 5 1kV differential mode 2kV common mode 1kV differential mode 2kV common mode Voltage dips short interrup tions and voltage variations on power supply input lines to IEC 61000 4 11 lt 5 UT gt 95 dip in UT for 1 2 cycle 40 U 60 dip in UT for 5 cycles 70 UT 30 dip in UT for 25 cycles lt 5 UT gt 95 dip in UT for 1 2 cycle 40 U 60 dip in UT for 5 cycles 70 UT 30 dip in UT for 25 cycles lt 5 UT lt 5 UT gt 95 dip in UT gt 95 dip in UT for 5s for5s Power frequency 50 60 Hz 3 A m 3 Alm magnetic field to IEC 61000 4 8 32 NON Life Sustaining Systems Immu
5. 75 mmHg to the result for each cm or deduct that much for each cm the cuff is below the heart e Avoid kinks in the tubing during measure ments and do not knock against the tubing The patient s arm should not move while a measurement is in progress Warning Use only the cuffs listed in this manual These cuffs ensure patient safety and equipment protection Liquids must not be allowed to enter the cuff Apply the cuff directly on the skin Rolled up sleeves must not impede blood circulation in the upper arm Note Place the cuff snugly around the limb being used The cuff however must not compress the blood vessels Overtight cuffs may constrict blood vessels or cause skin lesions and hematomas 143 OxYGEN SATURATION MEASUREMENT To be able to correctly determine the oxygen saturation and the pulse rate the device requires a detectable pulse wave If no pulse wave can be detected or if the pulse wave is very weak the readings may be incorrect Strong motion artifacts may also lead to incorrect readings Only when the green signal quality LED blinks at the frequency of the pulse rate are the displayed measuring values within the defined accuracy range Note Artifact leveling is used to suppress motion artifacts in the measurement of SpO2 and pulse rate In addition the pulse rate is checked for plausibility By reference measurements against dyshemoglobin free blood by means of fractional satura
6. dows Ilo BF for SpO2 module 19 cm x 17 cm x 20 cm 10 to 40 30 75 non condensing 700 to 1060 hPa medical grade AC adapter 100 to 240 V 50 to 60 Hz 30 ELECTROMAGNETIC ComPATIBILITY EN 60601 1 2 Changes or modifications to this system not expressly approved by ergoline could cause EMC issues with this or other equipment This system is designed to comply with applicable regulations regarding EMC Its compliance with these requirements has been verified It needs to be installed and put into service according to the EMC information stated as follows Warning Caution e RF INTERFERENCE e e Equipment Malfunction Use of portable phones or other radio frequency The equipment or system should not be used RF emitting equipment near the system may adjacent to or stacked with other equipment cause unexpected behavior or adverse operation If adjacent or stacked use is necessary the equipment or system should be tested to verify normal operation in the configuration in which it is being used Guidance and Manufacturer s Declaration Electromagnetic Emissions ergodesk duo is intended for use in the electromagnetic environment specified below It is the responsibility of the customer or user to ensure that ergodesk duo is used in such an environment Emissions Test Compliance RF emissions to Group 1 CISPR 11 RF emissions to Class B CISPR 11 Harmonic emissions to IEC 61000 3
7. e Sp02 Sensor Connecting the Blood Pressure Cuff GDT Interface Installation Software Installation GDT Settings GDT Communication Routine Controls and Indicators Keyboard LCD Screen Operation Starting a Measurement Setup Menu Blood Pressure Cuffs Cuff Application Sp02 Sensors 11 13 13 13 14 14 15 16 16 17 17 17 18 18 19 20 21 21 21 22 22 23 24 24 25 Cleaning and Maintenance Equipment Surface Cuff Cleaning and Disinfection Sensor Cleaning and Disinfection Maintenance Technical Inspection of the Measuring System MTK Calibration Mode for BP Measurement System Sp02 Calibration Disposal of the Product Technical Specifications Electromagnetic Compatibility EN 60601 1 2 26 26 26 27 27 28 28 29 30 31 DECLARATION OF CONFORMITY erqoline Konformit tserkl rung Declaration of conformity Gem EG Richtlinie 93 42 EWG vom Juni 1993 Acc MDD 93 42 EEC June 1993 Wir We ergoline GmbH Lindenstra e 5 D 72475 Bitz erkl ren in alleiniger Verantwortung da das declare our sole responsibility that the Produkt ergodesk duo Product ergodesk duo auf das sich diese Erkl rung bezieht mit der folgenden Norm oder normativem Dokument bereinstimmt to which this declaration relates is in conformity with the following standard or other normative document EG Richtlinie f r Medizinprodukte 93 42 EWG Anhang I MDD 93 42 EEC I Die Medizinprodukte werden von d
8. ensors or accessories other than those offered for this device The sensors and cables must be in perfect condition Using third party items may cause equipment failure and loss of biocompatibility 12 Measurements performed on persons taking substances that change the color of the blood or receiving intravascular dyes e g methylene blue or indocyanine green or exhibiting high levels of dysfunctional hemoglobin e g carbon monoxide poisoning may be extremely inaccurate The device is intended to assist in establishing a diagnosis For diagnosing the patient s condition ergodesk duo must always be interpreted in context with other clinical signs and symptoms A clinical assessment on the basis of ergodesk duo alone is not permitted FUNCTIONAL PRINCIPLE Osc LLoMETRIC BLoop PRESSURE MEASUREMENT The oscillometric measuring method is based on oscillations caused by pulsations of the brachial artery that is compressed by an inflated arm cuff In the cuff these pulsations cause rapid small amplitude variations in pressure The device is es sentially an oscillometer comprising an inflatable cuff which is connected to a pneumatic system for controlled inflation and deflation of the cuff An integrated sensor acquires the measur ing signal and passes the cuff pressure on to a conversion amplification unit From this data and their variation in the course of the measurement the device calculates the systolic the dias
9. er Benannten Stelle T V berpr ft und tragen zum CE Kennzeichen die vierstellige The medical products will be checked by the Notified Body T V and are marked with the CE Symbol and the four digits No 0123 nach accordings as EG Richtlinie f r Medizinprodukte 93 42 EWG Anhang II 3 MDD 93 42 EEC 11 3 Beginn der Giiltigkeit Begin of the validity Ort City Datum Date 11 07 2007 G Fi Bitz 11 07 2007 Axel Bodmer GENERAL INFORMATION e The product ergodesk duo bears the CE marking CE 0123 indicating its compliance with the provisions of the Council Directive 93 42 EEC about medical devices and fulfills the essential requirements of Annex of this directive It has an internal power source and is an MDD class IIb device The device fulfills the requirements of standard EN 60601 1 Medical Electrical Equipment Part 1 General Requirements for Safety as well as the electromagnetic immu nity requirements of standard EN 60601 1 2 Electromagnetic Compatibility Medical Electrical Devices The radio interference emitted by this prod uct is within the limits specified in CISPR11 EN 55011 class B The symbol A means Refer to User Manual It indicates points which are of particular importance in the operation of the device This manual is an integral part of the equip ment It should be available to the equipment operator at all times Close observance of the information given in the
10. eraoline ergodesk duo Desktop Unit for Measurement of Blood Pressure and Oxygen Saturation User Manual erg 2010000123000 Version 06 2010 English This manual was written with the utmost care Should you still find details that do not correspond with the system please let us know and we will correct the issue as soon as pos sible We reserve the right to modify the design and technical features of the device and are not bound by the information and illustrations provided in this manual All trademarks appearing in this document are trademarks of their respective owners Their protection is acknowledged No part of this manual may be reprinted translated or reproduced without the manufactur er s written permission This manual is not subject to any change order service Please contact the manufacturer for the latest document revision ergoline GmbH LindenstraBe 5 72475 Bitz Germany Tel 49 0 7431 98 94 0 Fax 49 0 7431 98 94 128 e mail info ergoline com http www ergoline com 0123 Printed in Germany CONTENTS Declaration of Conformity General Information Intended Use Safety Information Functional Principle Oscillometric Blood Pressure Measurement Oxygen Saturation Measurement Sp02 Accuracy Notes Problems Oscillometric Blood Pressure Measurement Oxygen Saturation Measurement Start up and Initial Preparation Unpacking Inspection upon Delivery Power Supply Connecting th
11. f the arterial blood flow is used The blood volume changes during systole and diastole and this has an effect on light absorp tion Since only the change in light absorption is evaluated non pulsating absorbing matter such as tissue bones and venous blood does not affect the measurement The light sources for this measurement are a red and an infrared LED and a photodiode acts as detector The pulse oximeter measures the ratio of red to infrared pulsating absorption which is directly proportional to the oxygen saturation and furthermore indicates oxygen saturation In addition the time interval between pulsations is converted to the pulse rate and also displayed 13 Accuracy Notes PROBLEMS Osc LLoMETRIC BLoop PRESSURE MEASUREMENT ake sure that the cuff is at the same level as he heart to obtain accurate blood pressure measurements f this is not ensured the hydrostatic pressure of he liquid column in the blood vessels will falsify he measurement results When the patient is sitting standing or supine lying on his back during measurements the cuff is automatically at he correct level Note e Verify circulation of the blood in limbs used for frequent measurements e Beaware that Sp02 measurements will be affected by blood pressure measurements performed on the same arm e During a measurement the cuff must be level with the heart When the cuff is at a higher level you must add approx 0
12. il ity and performance of the equipment only if assembly operations extensions readjustments modifications or repairs are carried out by ergoline GmbH or by persons authorized by ergoline and the equipment is used in accordance with the instructions given in this manual ergoline GmbH Lindenstrasse 5 72475 Bitz Germany Phone 49 0 7431 9894 0 Fax 49 0 7431 9894 128 e mail info ergoline com http www ergoline com www ergoline eu INTENDED Use ergodesk duo is a sphygmomanometer for the non invasive measurement of the blood pressure as well as for determining the functional oxygen saturation Sp02 in human arterial blood and for measuring the pulse rate With the appropriate blood pressure cuffs and SpO2 sensors it can be used on adults children and babies ergodesk duo is not suitable for use with neonates or in intensive care medicine BIOCOMPATIBILITY The parts of the product described in this manual including all accessories that come in contact with the patient during the intended use fulfill the biocompatibility requirements of the applicable standards if applied as intended If you have questions in this matter please con tact ergoline or a representative APPLICABLE Laws REGULATIONS AND DIRECTIVES e 93 42 EEC Medical Device Directive of the EU e 89 336 EEC Electromagnetic Compatibility Directive of the EU e EN 1060 1 Non invasive sphygmomanom eters Part 1 Ge
13. key starts a new blood pressure measurement The STOP key aborts a measurement in progress SWITCHING THE Device ON ano OFF Connecting the device to the power supply switches it on If the device is not used for a measurement it will automatically switch off after the Auto Power Off time set in the menu BACKLIGHT The backlighting of the display is white The illu mination is automatically activated by switching the device on STARTING A MEASUREMENT The lt START gt key on ergodesk duo starts the measurement The device inflates the cuff to the selected P START pressure and measures the blood pressure while the cuff is being deflated The saturation value appears on the display as soon as the sensor is applied to the finger The measurement results appear on the LC display Note If the P START pressure is below the systolic blood pressure the error message BP out of range will be displayed Adapt the P START pressure to the patient being examined 22 Setup Menu You display the setup with the Menu button An explanation of the different menu items is given below Memory The most recent readings are displayed Setup The menu item allows you to set the pressure in mmHg for reinflation the Auto Power Off time the pulse indication and the operating language System Reset The device runs a complete re start FW Update Select this menu item to display the software version implemented in the device
14. mage e If you detect damage or impaired functions which may result in a hazard to the patient or the operator the device must be repaired before it can be used again Technical Inspections of the Measuring System ergodesk duo is a measuring system in the sense of the German medical devices operator ordinance MPBetreibV 811 Annex 2 For this reason the equipment must be subjected to a technical inspection of the measuring system ev ery 2 years the first such inspection carried out on the date indicated on the calibration seal 27 CALIBRATION Mope FOR BP MEASUREMENT SYSTEM ergodesk duo offers a calibration mode which is used for example to check the pneumatic system for leaks e Using a T adapter connect a rubber bulb between pressure tubing and cuff e Roll up cuff tight e Switch off device and switch it on again after a few seconds e The display indicates an internal value which must be between 25 and 100 If the displayed value is outside this range ergodesk duo must be returned for repair e Press the lt ENTER gt key e The display indicates O current pressure in mmHg e Generate a test pressure of 200 mmHg and measure the pressure decrease after waiting at least 30 seconds Pressure decreases between 3 and 5 mmHg are typical if the pressure decrease exceeds 6 mmHg there must be an in admissible leak in the system and ergodesk duo needs to be repaired e You can press the lt STOP
15. neral requirements e EN 1060 3 Non invasive sphygmomanom eters Part 3 Supplementary requirements for electro mechanical blood pressure measuring systems 10 SAFETY INFORMATION Danger e Explosion Hazard The device is not designed for use in areas where an explosion hazard may occur Explosion hazards may result from the use of flammable anesthetics skin cleansing agents or disinfectants Caution e Patient Hazard Equipment Damage Devices may be connected to other devices or to parts of systems only when it has been made certain that there is no danger to the patient the user or the environment as a result In those instances where there is any element of doubt concerning the safety of connected equipment the user must contact the manufacturers concerned or other informed experts as to whether there is any possible danger to the patient the user or the environment as a result of the proposed combination of equipment Compliance with the standard IEC 60601 1 1 must always be ensured ergodesk duo can be connected to and operated in conjuction with a PC where the ergodesk duo GDT driver is installed 11 Caution e Patient Hazard Equipment Damage Before using the equipment the operator must ascertain that it is in correct working order and operating condition If the accuracy of any reading is questionable first check the patient s vital signs by alternate means Then check the device for pro
16. nity Test IEC 60601 Test Level Compliance Level Conducted RF to IEC 61000 4 6 Radiated RF to IEC 61000 4 3 3Vrms 150 kHz to 80 MHz 3Vrms 80 MHz to 2 5 GHz 3V 3 V m Recommended separation distances to wireless RF communications equipment rated maxi mum output power of transmitter 150 kHz to 80 MHz d P exp0 5 3 5 V1 80 MHz to 800 MHz d P exp0 5 3 5 E1 800 MHz to 2 5 GHz d P exp0 5 7 E1 W 0 01 0 12 m 0 12 m 0 24 m 0 1 0 37 m 0 37 m 0 74 m 1 1 17 m 1 17 m 2 34 m 10 3 69 m 3 69 m 7 38 m 100 11 67 m 11 67 m 23 34 33 34 ercoline ergoline GmbH LindenstraBe 5 72475 Bitz Germany Tel 49 0 7431 98 94 0 Fax 49 0 7431 98 94 128 e mail info ergoline com http www ergoline com
17. per functioning The user must be trained in the use of the device Only persons who are trained in the use of medical technical equipment and are capable of applying it properly are authorized to apply such equipment There are no user replaceable components inside the device Do not open the housing notify Service Warning e Patient Hazard Equipment Damage Do not use defective equipment Replace all parts that are broken worn or contaminated ergodesk duo is not intended for use as a vital signs physiological monitor and has no adjustable alarm limits The device is not designed for use in areas where there is any danger of explosion ergodesk duo and all accessories must only be employed by persons with the requisite expertise ergodesk duo is packed in an appropriate container for shipment Do not use ergodesk duo or the corresponding sensors if any of the parts exhibit signs of damage from transport or other causes ergodesk duo is not suitable for operation in the vicinity of MRI devices or X ray equipment and must not be operated in such an environment Exceeding the operation parameters or failure to observe the measurement conditions causes incorrect readings and at worst damage to the equipment Applying the sensor improperly or at inappropriate sites leads to incorrect measurement results the sensor cable may tie off parts of the body the finger clip may shear off the skin etc Do not use s
18. rgodesk GDT CD into the CD ROM ergodesk duo to the PC drive e The installation will start automatically when the auto start function of the CD ROM drive is enabled Otherwise Open Windows Explorer Select the CD ROM drive Double click on setup exe e The installation routine will start e The USB driver is installed first virtual COM interface the actual ergodesk duo GDT driver is installed afterwards e Anew symbol for the ergodesk duo driver i 5 A DCIS PIEL appears automatically in the task bar bottom right a CA a o e Right clicking this icon will display the GDT link setup menu or terminate the GDT driver Einstellungen Beenden Note Itisrecommended to add the program ErgoDesk_GDT exe to the startup menu of the PC 18 e Connect ergodesk duo to the PC USB cable GDT Settines e Set the virtual COM interface to which ergodesk duo is connected 2 a x Press the Test key to check the communica Ger te Anschluss com y Test tion link Zeichensatz aust y r Identifikation e All other settings must be adapted to the o requirements of the electronic office or 1D i2345 OOOO hospital management system version 2 00 0 r Dateinamen Ger te K rzel DESK EDV K rzel EDy1 Dateiname Empfangen EDV1DESK GDT Dateiname Senden DESKEDV1 GDT Verzeichnis der Kommunikationsdateien C Programme Ergodesk Duo GDT GDT fe Y Speiche
19. rn x Abbrechen 19 GDT Communication ROUTINE ergodesk duo comes with a GDT interface driver Once the program is started on the PC the set folder will be permanently monitored for GDT files If the driver detects a GDT file the data will be sent to ergodesk duo The ergodesk duo display will show the corre sponding patient name The user will then be prompted to perform the measurement After the measurement the Enter key is pressed on ergodesk duo to send the results to the PC the GDT driver automatically generates the corresonding GDT result file ergodesk Duo GDT Bitte Blutdruckmessung durchf hren Patientenname Amberg Jutta Abbrechen 20 CONTROLS AND INDICATORS KEYBOARD 1 2 3 4 5 ha START a 1 Stop key terminates an active 4 UP DOWN key selects menu items blood pressure measurement selects inflation pressure 2 START key starts a new blood pressure 5 ENTER key confirms settings measurement GDT export 3 MENU key displays the setup menu LCD Screen 59142 102 m 2 E 102 EXA 100 5 3 Mustermann Kr ger 4 GDT EXP Pmax 220 E 1 BP systolic diastolic pressure 4 SOFTKEYS indicate the respective readings functions of ENTER etc 2 HR heart rate 5 Sp02 oxygen saturation value 3 Name patient name 6 Pmax maximum inflation pressure in GDT mode only 21 OPERATION KEYBOARD Six keys are provided on the device The START
20. st cloth to wipe down slightly soiled cuffs e Remove substantial contamination by wash ing the cuff with soap water or a suitable cleaning agent that contains a disinfectant do not machine wash e Ensure that no liquid penetrates into the cuff bladder or the pressure hose for this reason remove the bladder from the cuff before cleaning it e After cleaning rinse the cuff thoroughly with water and let it dry at room temperature for about 15 hours e The cuffs can be disinfected with isopropyl alcohol 70 ethanol 70 microzid buraton liquid Sporicidin or Cidex After disinfection rinse the cuff thoroughly with tap water and air dry CAUTION e Shock Hazard Disconnect the device from the power line and from the PC before cleaning e Equipment Damage Do not disinfect the device surface with phenol based disinfectants or peroxide compounds Equipment into which liquids have entered must be inspected by a service technician before use 26 SENSOR CLEANING AND DISINFECTION CAUTION e Equipment Damage Before cleaning an SpO2 sensor carefully read the user instructions supplied with the sensor Specific cleaning instructions exist for each sensor type Observe these sensor specific instructions when cleaning or disinfecting a sensor MAINTENANCE TECHNICAL INSPECTION OF THE Measurine System MTK Checks before each use e Before each use visually inspect the device for signs of mechanical da
21. tion measurement CO oximeter the pulse oximetry measurement system of the device is calibrated for oxygen saturation of hemoglobin Warning The presence of high levels of dysfunctional hemoglobin affects the measurement accuracy If the accuracy of any reading is questionable Similarly the measurement accuracy may be first check the patient s vital signs by alternate degraded by intravascular dyes means Then check the device for proper functioning 15 START UP AND INITIAL PREPARATION UNPACKING INSPECTION UPON DELIVERY If the packaging exhibits any signs of damage notify the shipping agent immediately Unpack ergodesk duo and the accessories If a part is missing or damaged contact your dealer or ergoline s service team FUNCTIONAL TEST Before using ergodesk duo check the device for proper functioning To do so follow the instruc tions given in this section Parts List 1 ergodesk duo 1 Blood pressure cuff for adults 1 SpO2 finger sensor 1 User Guide 1 CD with the GDT driver software 1 AC adapter 1 USB data cable 16 Power Supply Connect the supplied AC adapter to line power and to the device CONNECTING THE SPO2 SENSOR Plug the SpO2 sensor cable into the corresponding socket CONNECTING THE BLOOD PRESSURE CUFF Connect the cuff coupling to the device 17 GDT INTERFACE INSTALLATION SOFTWARE INSTALLATION Note Install the driver software before connecting e Insert the e
22. tolic and the mean blood pressure readings and the pulse rate While the cuff pressure is continually released the amplitude of the cuff pressure oscillations increases many times over The pressure at this point in time corresponds to the systolic blood pressure As the cuff pressure is further released the amplitude of the oscillations increases until it reaches a maximum after which it decreases again The point where the amplitude drops abruptly corresponds to the diastolic pressure Oxygen Saturation MEASUREMENT SPO2 Non invasive pulse oximetry is based on two principles First the color of the blood which is influenced by oxygen saturation is determined in the red and infrared ranges spectrophotometry Second the amount of arterial blood in the tis sue and hence the light absorbed by the blood varies with the pulsations caused by the heart ejecting blood into the arteries plethysmogra phy The difference in color caused by oxygen satura tion is due to the optical properties of the hemo globin molecule or more precisely the organic heme component Hemoglobin is responsible for transporting oxygen in blood through oxygen ation 02Hb Oxygen is released again which means that the blood is deoxygenated oxygen saturation decreases and loses its red color This influences the absorption of red light to a greater extent than that of infrared light To determine the arterial oxygen saturation the pulsation o
23. velengths of 660 nm and 905 nm and a photodetector for exactly this spectrum To ensure optimal measuring accuracy ergodesk duo identifies the respective sensor types Sensor Sensor type Patient weight F 3227 Finger sensor gt 20 kg FS 3227 Finger sensor gt 20kg small ES 3227 Ear sensor gt 30kg W 3227 Wrap sensor gt 1kg R 3227 SoftTip large gt 20kg RM 3227 SoftTip medium gt 20kg RS 3227 SoftTip small gt 20kg 25 Note Before using a sensor carefully read the corresponding instructions for use with all warnings and other relevant information Do not use damaged sensors Do not use sensors with exposed optical components For SpO2 measurements use only ergoline sensors Considerations relating to the choice of sensors include the patient s weight and degree of activity Check the patient to determine adequate perfusion at the application site Protect the sensor from strong ambient light as this may impair measurement accuracy Choose another application site if the sensor does not provide a signal of sufficient quality within approx 10 seconds of application CLEANING AND MAINTENANCE EQUIPMENT SURFACE e Switch ergodesk duo OFF e Wipe the device clean with a moist cloth Do not let liquid enter the device All cleaning agents and disinfectants commonly used in doctor s offices and hospitals can be used Curr CLEANING AND DISINFECTION e Use a moi
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