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Datex-Ohmeda S/5 PRESTN Technical Reference Manual Slot

Hemodynamic modules
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Datex-Ohmeda, Inc.
P.O. Box 7550, Madison
WI 53707-7550, USA
Tel: 1-608-221-1551 Fax: 1-608-222-9147
www.us.datex-ohmeda.com
mailto:product.support.ussub@us.datex-ohmeda.com
TM
S/5
S/5
S/5
CAUTION: U.S. Federal law restricts this device to sale by or on the order of a licenced practitioner.
PRESTN Module, M-PRESTN (Rev. 01)
TM
RESTN Module, M-RESTN (Rev. 01)
TM
PRETN Module, M-PRETN (Rev. 01)
Technical Reference Manual Slot
All specifications are subject to change without notice.
Outside the USA, check local laws for any restriction that may apply.
Datex-Ohmeda Division, Instrumentarium Corp.
Datex-Ohmeda
Hemodynamic Modules
Document No. 8005571-1
P.O. Box 900, FIN-00031
DATEX-OHMEDA, FINLAND
Tel: +358 10 394 11 Fax: +358 9 146 3310
www.datex-ohmeda.com
 Instrumentarium Corp. All rights reserved.
April 2004

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  • Page 1 CAUTION: U.S. Federal law restricts this device to sale by or on the order of a licenced practitioner. Outside the USA, check local laws for any restriction that may apply. Document No. 8005571-1 April 2004 Datex-Ohmeda, Inc. Datex-Ohmeda Division, Instrumentarium Corp. P.O. Box 900, FIN-00031 P.O. Box 7550, Madison DATEX-OHMEDA, FINLAND WI 53707-7550, USA...

  • Page 3: Table Of Contents

    Table of contents TABLE OF CONTENTS S/5 Hemodynamic Modules TABLE OF CONTENTS TABLE OF FIGURES Introduction Specifications General specifications .......................... 3 Typical performance ..........................3 1.2.1 NIBP ............................3 1.2.2 ECG............................. 3 1.2.3 Pulse oximetry ..........................4 1.2.4 Temperature ..........................4 1.2.5 Invasive blood pressure........................
  • Page 4 Datex-Ohmeda S/5 monitors 3.4.1 NIBP calibrations........................40 3.4.2 Temperature calibration ......................42 3.4.3 Invasive pressure calibration ...................... 42 Troubleshooting Troubleshooting charts ........................43 4.1.1 NIBP ............................43 4.1.2 NIBP error code explanation ....................... 46 4.1.3 ECG ............................47 4.1.4 Pulse oximetry (SpO ) ........................

  • Page 5: Table Of Figures

    Table of contents TABLE OF FIGURES Figure 1 S/5 PRESTN Module, M-PRESTN......................1 Figure 2 Absorption of infrared light in the finger probe parts layout and schematic diagram ......... 9 Figure 3 Front panel of M-PRESTN........................11 Figure 4 NIBP board functional block diagram ....................12 Figure 5 NIBP pneumatics diagram ........................
  • Page 6 Datex-Ohmeda S/5 monitors Document No. 8005571-1...

  • Page 7: Introduction

    NOTE: 12-lead ECG measurement requires Display Controller, B-DISP or B-DISPX. Intended purpose (Indications for use) The Datex-Ohmeda PRESTN module (model family M-PRESTN) and accessories are indicated for monitoring of hemodynamic parameters of all hospital patients. The hemodynamic parameters of the module comprise ECG including ST-segment and arrhythmia, Impedance respiration, NIBP, Temperature,SpO2 (including monitoring during conditions of clinical patient motion),and invasive blood pressure.
  • Page 8 5kg (11 lb.) and up. This device is indicated for use by qualified medical personnel only. Monitor software compatibility Datex-Ohmeda PRESTN rev. 01 module is designed for use with Datex-Ohmeda monitors using software as follows: AM: L-ANE01(A) or later versions;...

  • Page 9: Specifications

    S/5 M-PRESTN Modules SPECIFICATIONS 1.1 General specifications 75 × 180 × 112 mm Module size W × D × H 3.0 × 7.1 × 4.4 in Module weight 0.7 kg / 1.5 lbs Power consumption about 6 W 10 to 40 °C / 50 to 104 °F Operation temperature 1.2 Typical performance 1.2.1 NIBP...

  • Page 10: Pulse Oximetry

    Datex-Ohmeda S/5 monitors ST filter 0.05 to 30 Hz (-3 dB, with 50 Hz reject filter) 0.05 to 40 Hz (-3 dB, with 60 Hz reject filter) HEART RATE FROM ECG Range 30 to 250 bpm ±5 bpm or ±5 %, whichever is greater...

  • Page 11: Invasive Blood Pressure

    S/5 M-PRESTN Modules ±0.2 °C (10 to 24.9 °C) Display resolution 0.1 °C (0.1 °F) Temperature test automatic (every 10 min) Probe type compatible with YSI 400 series ±0.2 °C (25 to 45.0 °C) Single use sensors ±0.3 °C (10 to 24.9 °C) 1.2.5 Invasive blood pressure Measurement range -40 to 320 mmHg...

  • Page 12: Technical Specifications

    Datex-Ohmeda S/5 monitors 1.3 Technical specifications 1.3.1 NIBP Deflation rate, PR dep. 3 to 8 mmHg/s Inflation time 20 to 185 mmHg, 1 to 5 s Automatic software control, max. inflation pressure 280 ±10 mmHg adult 200 ±10 mmHg child 145 ±5 mmHg...

  • Page 13: Temperature

    S/5 M-PRESTN Modules 1.3.4 Temperature ±0.1 °C (25.0 to 45.0 °C) Measurement accuracy ±0.2 °C (10.0 to 24.9 °C) Protection against electrical shock Type CF defibrillation proof NOTE: The accuracy of the measurement may be different from the specified, depending on transducer/probe used.

  • Page 14: Functional Description

    Datex-Ohmeda S/5 monitors FUNCTIONAL DESCRIPTION 2.1 Measurement principle 2.1.1 NIBP NIBP (Non-Invasive Blood Pressure) is an indirect method for measuring blood pressure. The NIBP measurement is performed according to the oscillometric measuring principle. The cuff is inflated with a pressure slightly higher than the presumed systolic pressure, and deflated at a speed based on the patient’s pulse, collecting data from the oscillations caused by the pulsating...

  • Page 15: Figure 2 Absorption Of Infrared Light In The Finger Probe Parts Layout And Schematic Diagram

    Probe The standard probe is a finger clamp probe which contains the light source LEDs in one half and the photodiode detector in the other half. Different kinds of probes are available from Datex-Ohmeda. SpO2 sensor connector SpO2 sensor cable...

  • Page 16: Temperature

    Applying a constant current through the resistor and measuring the voltage that is generated across it. In Datex-Ohmeda modules the two methods are combined in the form of a voltage divider. The NTC- resistor is connected in series with a normal resistor and a constant voltage is applied across them.

  • Page 17: Main Components

    S/5 M-PRESTN Modules 2.2 Main components 2.2.1 M-PRESTN/-RESTN/-PRETN modules Auto Start Zero Zero On/Off Cancel NIBP Figure 3 Front panel of M-PRESTN The M-PRESTN, M-RESTN, and M-PRETN modules contain three main PC boards, the STP board, the ECG board, and the NIBP board. They work independently. Each of these has their own processor and software in the processor flash memory.

  • Page 18: Nibp Board

    Datex-Ohmeda S/5 monitors 2.2.2 NIBP board PATIENT AND NIBP CUFF NIBP TUBING NIBP CONNECTOR NIBP PNEUMATICS DRIVERS FOR PUMP & PRESSURE SENSORS VALVES NIBP CONTROL KEYS MAIN CPU SAFETY CPU NV MEMORY RS 485 COMMUNICATION POWER SUPPLY NIBP BLOCK DIAGRAM...
  • Page 19 S/5 M-PRESTN Modules Memory NIBP program memory (processor flash memory) size is 512k × 8. The processor has 4 kBytes RAM and there is also an external RAM memory the size of which is 128k x 8. Variable values of the NIBP measurement are stored into the external RAM.

  • Page 20: Figure 5 Nibp Pneumatics Diagram

    Datex-Ohmeda S/5 monitors Safety pressure sensor Cuff connector Proportional valve Air pump Dump valve Main pressure sensor Intake air filter Figure 5 NIBP pneumatics diagram Power supply section of the NIBP board All connections are established via 25-pin connector (D-type, female). The module needs +15 V (dirty) power supply to operate.

  • Page 21: Ecg Board In 12-Lead Measurement

    S/5 M-PRESTN Modules 2.2.3 ECG board in 12-lead measurement The 12-lead ECG measurement consists of the elements shown in Figure 6. All functions are located in the ECG board except the ECG input unit . PATIENT AND ECG ELECTRODES ECG CABLE - ECG LEAD SET - ECG TRUNK CABLE ECG INPUT UNIT...
  • Page 22 Datex-Ohmeda S/5 monitors ECG input unit The ECG input unit consists of the front panel connector and the ECG input connector board with the high voltage protection resistors. The connector for the 12-lead ECG cable is a green 11-pin rectangle shaped connector.

  • Page 23: Ecg Filtering

    S/5 M-PRESTN Modules RS485 communication The communication to the CPU board of the monitor uses RS485 protocol. The RS485 driver circuits are optically isolated from the processor of the module. PWM signal is used for direct ECG signal. Direct ECG signal is available from the X2 connector of the UPI board or from the PT module. Power supply The ECG board has a driver controlled half bridge switching power supply with 5 kV isolation.

  • Page 24: Stp Board

    Datex-Ohmeda S/5 monitors 2.2.5 STP board PATIENT AND TEMPERATURE PATIENT AND INVASIVE CANNULA PATIENT AND SpO2 PROBE SENSOR OR CATHETER FLUSHING KIT & INVASIVE SpO2 TRUNK CABLE TEMPERATURE CONNECTOR PRESSURE SENSOR WITH DOME SpO2 CONNECTOR INPUT PROTECTION CIRCUITRY INV.PRESSURE CONNECTOR SpO2 PROBE RECOGNITION &...

  • Page 25: Figure 8 Temperature Measurement Principle

    S/5 M-PRESTN Modules Microprocessor unit The CPU is a 16 bit H8/3052 single-chip microcomputer. It contains 128 kbytes of flash memory and 4 kbytes of RAM. The clock frequency is 16 MHz. High speed I/O is used to obtain pulse control sequence necessary for pulse oximetry measurement.

  • Page 26: Figure 9 Pressure Measurement Principle

    Datex-Ohmeda S/5 monitors Invasive blood pressure measurement unit An isolated +5 V voltage is supplied to the pressure transducer. The differential voltage, which depends on the pressure and the supplied voltage, is calculated from the bridge connection (see the formula below).

  • Page 27: Figure 10 Pulse Oximetry Measurement Block Diagram

    S/5 M-PRESTN Modules LED Driving circuit 1 LED Intensity adjustment 1 LED ON/OFF control 1 LED voltage indication 1 LED current indication 1 LED Driving circuit 2 LED Intensity adjustment 2 LED ON/OFF control 2 LED voltage indication 2 SpO2 LED current indication 2 Probe Oximeter channel 1...

  • Page 28: Figure 11 Serial Communication Of Nibp Board

    Datex-Ohmeda S/5 monitors Serial communication An RS485 type bus driver makes the serial communication between the module and the frame. Data transmission rate is 500kbps. NIBP BOARD RECEIVE DATA DATA RS 485 DRIVER SEND DATA NDATA SEND/RECEIVE Figure 11 Serial communication of NIBP board...

  • Page 29: Connectors And Signals

    S/5 M-PRESTN Modules Signals and isolation barrier The communication signals transfer over the isolation barrier by using high isolation voltage (6kV) opto isolators. Power supply section The power for the electronics on the floating part of the STP and the ECG boards is made on each board with the switching power supplies connected to a high voltage isolated transformer.
  • Page 30 Datex-Ohmeda S/5 monitors Table 2 Module bus connector description Only the shaded signals of the table below are valid for the PRESTN module Pin No Signal Note RESET_RS485 -15 VDC +15 VDIRTY +15 VDC NDATA_RS485 DATA_RS485 Ground & Shield -RESET_RS485...

  • Page 31: Front Panel Connectors

    S/5 M-PRESTN Modules 2.3.2 Front panel connectors Table 3 Front panel connectors ECG Connector Pin No Signal Name R/RA; Right arm electrode C2/V2; Chest electrode C3/V3; Chest electrode L/LA; Left arm electrode N/RL; Neutral/ Right Leg Drive electrode C1/V1; Chest electrode C4/V4;...

  • Page 32: Test Points On Boards

    Datex-Ohmeda S/5 monitors 2.3.3 Test points on boards 12-lead ECG board Test pins (strips) of X102: Test pins (strips) of X103: Component side: 2: 2.5V Component side: 6: +5VD 4: 2.5Vref Solder side: 1:+5VA Solder side: 1: GNDF 3: +2.5V_R...

  • Page 33: Figure 16 Nibp Board Connectors And Test Points

    S/5 M-PRESTN Modules NIBP board CONNECTOR FOR NIBP FLEX X103 PROGR NIBP MANIFOLD PIN1 PIN1 Test connector X106 : 1: POS.PUMP VOLTAGE 2: (Pulse) VALVE VOLTAGE 4: NEG.PUMP VOLTAGE 6: Safety VALVE VOLTAGE 8,9,10: GND Figure 16 NIBP board connectors and test points Document No.

  • Page 34: Figure 17 Stp Board Connectors And Test Points

    Datex-Ohmeda S/5 monitors STP board ISOLATION TRANSFORMER PIN1 TEST CONNECTOR PIN2 PIN34 PROGR PIN1 X107 TEST CONNECTOR PIN ODER: 25: +5V 19: +2.3V(ref.voltage) 26: GNDF 20: GNDF 27: +5V(analog) 21: +6V(non regulated) 28: GNDF 22: GNDF 29: +5VLED 23: +4.5V(ADC ref. voltage)

  • Page 35: Service Procedures

    Field service of the hemodynamic modules is limited to replacing faulty printed circuit boards or mechanical parts. Faulty printed circuit boards should be returned to Datex-Ohmeda for repair. Datex-Ohmeda is always available for service advice. Please provide the unit serial number, full type designation, and a detailed description of the fault.
  • Page 36 Datex-Ohmeda S/5 monitors All modules Detach the module box by removing the two screws from the back of the module. Be careful with loose latch and spring pin for locking. Check internal parts: screws are tightened properly − cables are connected properly −...
  • Page 37 S/5 M-PRESTN Modules Plug in the module. Check that it goes in smoothly and locks up properly Check that the module is recognized, i.e. all needed parameter information, except invasive blood pressure, starts to show on the screen. Preset ECG, Respiration, InvBP and SpO measurement settings: ECG - ECG Setup - Hr Source - Auto...
  • Page 38 Datex-Ohmeda S/5 monitors Connect a 12-lead ECG trunk cable without a lead set to the module. Check that the message "Leads off" is displayed on the screen. Connect both 5-leadwire sets to the trunk cable. Connect limb lead electrodes and one electrode from the chest lead set to the same potential.
  • Page 39 S/5 M-PRESTN Modules Respiration measurement 12. Check that the ‘Resp Available’ and ‘RESP Measurement’ show both ON in the ESTP: ECG service menu. 13. Check the respiration measurement with a patient simulator. The settings and checks with Dynatech Nevada MedSim 300 Patient Simulator: BASELINE IMPEDANCE -switch - 500 LEAD SELECT-switch - II/RL-LL RESP -...
  • Page 40 Datex-Ohmeda S/5 monitors T1 show ON and the corresponding temperature value appears onto the monitor screen. Perform the same check also for the channel T2. 16. Check the temperature calibrations using temperature test plugs. If the deviation on a temperature reading on the screen is more than 0.1 °C, calibrate the...
  • Page 41 S/5 M-PRESTN Modules Normal Screen Restore the normal monitoring screen by pressing the key Connect cables from the channels BP1 and BP2 to the module connectors P1 and P2. Zero the InvBP channels by pressing the keys ZERO P1 and ZERO P2 on the module front panel. BP - 1 - WAVE - ART 2 - WAVE - CVP Check that appropriate InvBP waveforms are shown and the InvBP values are approximately...
  • Page 42 Datex-Ohmeda S/5 monitors module cuff connector. Select Start Pump and press the ComWheel. Check that the pump turns on and the pressure inside the tubing system starts to increase. Stop the pump by pressing the ComWheel again when the pressure reaches 280 mmHg.
  • Page 43 S/5 M-PRESTN Modules the pump stops and the pressure is deflated. Check the pressure values ‘Max press’ and ‘2 s after stop’ for both transducers. All the values should be within 270 - 330 mmHg. Highlight ADULT . Press the ComWheel and check that the text changes now to INFANT . Select Start Test and wait until the pump stops and the pressure values on the screen have been updated.
  • Page 44 Datex-Ohmeda S/5 monitors 37. Clean the module with suitable detergent. • Fill in all necessary documents. Document No. 8005571-1...

  • Page 45: Disassembly And Reassembly

    S/5 M-PRESTN Modules 3.3 Disassembly and reassembly CAUTION When reassembling the module, make sure that all cables are reconnected properly. 3.3.1 M-PRESTN/-RESTN/-PRETN modules Disassemble the M-PRESTN/-RESTN/-PRETN module in the following way. See the exploded view of the module in chapter 6.1.1 Remove the two screws from the back of the module.

  • Page 46: Adjustments And Calibrations

    Datex-Ohmeda S/5 monitors 3.4 Adjustments and calibrations 3.4.1 NIBP calibrations The electronics of the NIBP pressure measurement is calibrated at the factory. The processor automatically maintains the zeroing pressure. If the zero point of the pressure transducer drifts more than specified, an error message is given and the NIBP board should be recalibrated or replaced.
  • Page 47 S/5 M-PRESTN Modules Pump the following pressures to manometer and check the difference between the manometer and monitor pressure display (The zeroing offset is automatically subtracted from the pressure readings). Table 4 NIBP calibration check pressures Pressure Max. error Example 0 mmHg ±5 mmHg (=zero offset) 100 ±2 mmHg...

  • Page 48: Temperature Calibration

    NOTE: For the temperature calibration, separate, accurate test plugs (25 °C and 45 °C) are needed. A test set of two plugs is available from Datex-Ohmeda, order code 884515. Calibrate the temperature when measured test values differ for more than ±0.1 °C, and always after STP board replacement.

  • Page 49: Troubleshooting

    S/5 M-PRESTN Modules TROUBLESHOOTING 4.1 Troubleshooting charts See also the User’s Reference Manual for more troubleshooting procedures. 4.1.1 NIBP TROUBLE CAUSE TREATMENT No NIBP value displayed NIBP not selected on screen. Check monitor setup. NIBP menu fading No M-PRESTN module, module not Plug in the module.
  • Page 50 Datex-Ohmeda S/5 monitors TROUBLE CAUSE TREATMENT Cuff loose-message 1. Hose and/or cuff not connected. 1. Connect the hose and the cuff. 2. Hose and cuff connected. Reasons: − cuff loosely wrapped − tighten the cuff − − leakage in cuff or hose replace cuff/hose −...
  • Page 51 S/5 M-PRESTN Modules TROUBLE CAUSE TREATMENT Cuff occlusion-message 1. Cuff and/or hose occluded. Reason: − − cuff tube kinked straighten tube − tube inside module kinked − straighten tube − − occlusion inside/outside remove occlusion module 2. Cuff, hose, and tubes OK. Reason: −...

  • Page 52: Nibp Error Code Explanation

    Datex-Ohmeda S/5 monitors 4.1.2 NIBP error code explanation Code Explanation Treatment RAM failure; memory failure Change the NIBP board. ROM checksum error; memory failure Change the NIBP board. Pump current failure Check short circuits. Change the NIBP board. Safety CPU internal test failure or pressure sensor Change the NIBP board.

  • Page 53: Ecg

    S/5 M-PRESTN Modules 4.1.3 ECG TROUBLE CAUSE TREATMENT HR numerical display No heart rate available. If no ECG waveform, check LEADS OFF shows ‘---’ message and connect the leads. If ECG waveform exists, check heart rate source e.g. in the ECG Setup menu behind ECG key.

  • Page 54: Temperature

    Datex-Ohmeda S/5 monitors TROUBLE CAUSE TREATMENT Movement artifacts. Shivering. Message ‘NO PULSE’ Pulse search > 20 sec. and low Try other fingers. or low pulse rate. Message ‘ARTIFACT’ Pulse modulation exceeds the Try another place or another probe. present scale.

  • Page 55: Invasive Blood Pressure

    S/5 M-PRESTN Modules 4.1.6 Invasive blood pressure TROUBLE CAUSE TREATMENT Abnormally low pressure Transducer wrongly positioned. Check mid-heart level and reposition transducer. No pressure Defective transducer. Check transducer. No pressure module plugged in. Check the module. No waveform selected on screen. Check selected pressure waveforms by pressing Monitor Setup key and selecting modify waveforms.

  • Page 56: Impedance Respiration

    Datex-Ohmeda S/5 monitors TROUBLE CAUSE TREATMENT Out of range Measured pressure is beyond the The waveform hits the top and the internal measurement range of numeric display not shown. Check the module. transducer and its level. Zero the channel. 4.1.7 Impedance respiration...

  • Page 57: Troubleshooting Flowcharts

    S/5 M-PRESTN Modules 4.2 Troubleshooting flowcharts 4.2.1 M-PRESTN module troubleshooting for NIBP parameter Possible faulty module with NIBP START parameter. Remove all Insert NXXX module modules from and turn power on. Monitor Frame. Replace NXXX module. Does fault Fault not in still appear? NXXX module.

  • Page 58: M-Prestn Module Troubleshooting For Parameters Estpr

    Datex-Ohmeda S/5 monitors 4.2.2 M-PRESTN module troubleshooting for parameters ESTPR Possibly fault in module with ESTPR parameters. Check module configuration in Service menu (ESTPR/STP/Calibrations) Is it Select the correct correct? configuration Remove all modules from the frame Insert ESTPR module...

  • Page 59: Service Menu

    S/5 M-PRESTN Modules SERVICE MENU Monitor Setup Press the key. Select Install/Service (password 16-4-34). Select Service (password 26-23-8). Select Parameters - NIBP . NOTE: Parameter values in Service Data fields are for reference only on this chapter. Document No. 8005571-1...

  • Page 60: Nibp Service Menu

    Datex-Ohmeda S/5 monitors 5.1 NIBP service menu Service Data Pressure shows measured pressure multiplied by 10. This value is automatically zero-drift compensated. Zero shows difference between zeroing value in the permanent memory (stored when module is calibrated) and the current automatic zero-drift compensation multiplied by 10. The value can change between +20 and -20 mmHg.

  • Page 61: Nibp Demo Menu

    S/5 M-PRESTN Modules calculated. EEPROM indicates if the values stored in the permanent memory are valid. The state is either OK, Fail or ? (module not in place or a communication error). 5.1.2 NIBP demo menu A service menu for demonstrating the oscillometric method of NIBP measurement. The menu shows the real-time pressure signals that are measured from the NIBP cuff.

  • Page 62: Nibp Calibration Menu

    Datex-Ohmeda S/5 monitors 5.1.3 NIBP calibration menu Active Leak Test Wrap an adult cuff around a pipe and connect the cuff to the module. Select the active leak test (ON). The module automatically pumps a pressure of 260 mmHg into the cuff. Wait for several seconds until the pressure stabilizes.

  • Page 63: Nibp Safety Valve Menu

    S/5 M-PRESTN Modules For proper zeroing to take place, remove the hose from the front panel connector. Select Calibration and push the ComWheel. Messages ‘Zeroing’ and ‘Zeroed’ will appear in the NIBP message field. After this a pressure bar will appear beside the menu and the text ‘Calibrating’ will appear to NIBP digit field.

  • Page 64: Nibp Pulse Valve Menu

    Datex-Ohmeda S/5 monitors Max. press indicates the pressure at which the safety valve opens and is normally 300 ±15 mmHg for adult and 150 mmHg ±15 mmHg for infant. 2 s after stop indicates the pressure at 2 seconds after the pump has stopped and is normally > 270 mmHg for adult and > 130 mmHg for infant. If the value is less, check leakage by the active leak test.

  • Page 65: Nibp Buttons/Leds Menu

    S/5 M-PRESTN Modules 5.1.6 NIBP buttons/leds menu The selections Auto ON/OFF , Manual ON/OFF , STAT ON/OFF , and Measur. ON/OFF have no effect on the module. Buttons/Leds Data See NIBP Service menu in chapter for information on general items Pressure, Zero, Protect handle, Calibr.

  • Page 66: Nibp Pneumatics Menu

    Datex-Ohmeda S/5 monitors 5.1.7 NIBP pneumatics menu Start Pump/Stop Pump A manual control for the pump. The selection changes to Stop Pump when the pump turns on. Open Exh1/Close Exh1 No effect on the module. Open Exh2/Close Exh2 A manual control for the exhaust valve 2. The selection changes to Close Exh2 when the valve is opened.

  • Page 67: Nibp Watchdog Menu

    S/5 M-PRESTN Modules 5.1.8 NIBP watchdog menu Test ADULT No effect on the module. Test INFANT No effect on the module. Stop Test No effect on the module. Watchdog Data field See NIBP Service menu in chapter for information on general items Pressure, Zero, Protect handle, Calibr.

  • Page 68: Ecg Service Menu

    Datex-Ohmeda S/5 monitors 5.1.9 ECG service menu Power freq Set power frequency; 50 Hz/60 Hz. Filter low Set filter low frequency; 0.05 Hz/0.5 Hz. Filter high Set filter high frequency; 30 Hz (40 Hz if power freq is 60 Hz) /100 Hz or 150 Hz @ NE12STPR.
  • Page 69 S/5 M-PRESTN Modules The monitor starts counting these items at power up and resets to zero at power off. The nonzero values do not indicate a failure, but the continuous counting (more than 5 per second) indicates either serial communication failure, or module not in place. Also other modules can cause communication errors that cause these numbers rise.

  • Page 70: Ecg Setup Menu

    Datex-Ohmeda S/5 monitors 5.1.10 ECG setup menu Filter Filters the ECG signal high frequency noise and slow respiratory artefacts. Monit (monitor) filter is used in routine monitoring. It effectively filters the artefacts caused by the electrosurgery unit and respiration. Diagn (diagnostic) filter is used if more accurate information of the waveform is needed (e.g., of P- wave or AV block).

  • Page 71: Stp Service Menu

    S/5 M-PRESTN Modules 5.2 STP service menu Record Data Record Data prints out the shown service data and board information (id, serial number and sw id) onto the recorder module, M-REC. Temp Test Temp Test activates the automatic temperature test for the temperature channels T1 and T2. The result from the test is shown in the service data field.
  • Page 72 Datex-Ohmeda S/5 monitors IDC is the value of infrared signal. RDC is the dc value of red signal. AC gain is the gain of infrared and red ac signals. AC gain values can be 1 or 0. Value 1 means high ac gain and 0 means low gain.

  • Page 73: Stp Calibration Menu

    S/5 M-PRESTN Modules 5.2.2 STP calibration menu Protection Protection for the configuration and temperature calibrations can be set ON and OFF . Set Config The module configuration should be set according to the module type. The setting is possible only when the protection is set OFF.

  • Page 74: Spare Parts

    Datex-Ohmeda S/5 monitors SPARE PARTS 6.1 Spare parts list 6.1.1 M-PRESTN rev. 01, M-RESTN rev. 01, M-PRETN rev. 01 Figure 20 Exploded view of M-PRESTN Module Item Description Order No. Replaced by Module box (wide) 886168 Spring pin 879182 Latch for module box...
  • Page 75 S/5 M-PRESTN Modules Item Description Order No. Replaced by NIBP Mounting nut 8004036 TEMPERATURE input board 8005216 Screw; pan-head, TORX PT 3x10mm (7 pcs) 628728 PRESS / SpO2 input board, M-PRESTN 8005219 PRESS input board, M-PRETN 8005492 SpO2 input board, M-RESTN 8005490 Screw;...
  • Page 76 Datex-Ohmeda S/5 monitors Item Description Order No. Replaced by Front panel, PL, M-RESTN M1021451 Front panel, PT, M-RESTN M1021452 Front panel, SV, M-RESTN M1021453 Document No. 8005571-1...

  • Page 77: Earlier Revisions

    S/5 M-PRESTN Modules EARLIER REVISIONS No earlier revisions. Document No. 8005571-1...
  • Page 78 Datex-Ohmeda S/5 monitors For your notes: Document No. 8005571-1...

  • Page 79: Appendix A

    S/5 M-PRESTN Modules APPENDIX A Document No. 8005571-1...
  • Page 80 Datex-Ohmeda S/5 monitors Document No. 8005571-1...

  • Page 81: Service Check Form

    APPENDIX A, Service check form, S/5 M-PRESTN Modules SERVICE CHECK FORM DATEX-OHMEDA M-PRESTN, M-RESTN, M-PRETN MODULES Customer Service Module type Service engineer Date OK = Test OK N.A. = Test not applicable Fail = Test Failed All modules N.A. Fail N.A.
  • Page 82 Datex-Ohmeda S/5 monitors RESP measurement N.A. Fail N.A. Fail 12. RESP measurement 13. Test with patient recognition simulator Notes TEMP measurement N.A. Fail N.A. Fail 14. Communication and 15. Temperature probe memories detection 16. Calibration check 17. Temp test -function 18.
  • Page 83 APPENDIX A, Service check form, S/5 M-PRESTN Modules NIBP measurement N.A. Fail N.A. Fail 25. Communication and 26. Membrane keys memories 27. Pump and valves 28. Leak test 28. ≤ 6 mmHg/min 29. Calibration check Measured B1 Measured B2 Allowed range ±...
  • Page 84 Datex-Ohmeda S/5 monitors All modules N.A. Fail N.A. Fail 35. Electrical safety 36. Functioning after check electrical safety check 37. Final cleaning Notes Notes Used Spare Parts Signature A- 4(4) Document No. 8005571-1...

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