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S/5 M-PRESTN Modules

13

Document No. 8005571-1

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. The EEPROM size is 512 x 8 and it is used to store
the calibration values for the pressure transducers, the pulse valve constants gained during
measurements, the PC board identification, and module serial number.

Software control

Software controls valves and pump. In addition to the individual on/off signals for each component
there is a common power switch for the valves and the pump that can be used at pump/valve
failures.

In addition to external RS485 reset line the microprocessor system is equipped with its own power-
up reset. See the section in the ECG board’s description:

“RS485 communication”

Safety circuit

The NIBP board is equipped with an independent safety circuit to disconnect supply voltages from
the pump and the valves if the cuff has been pressurized longer than the preset maximum
measurement time, or if the pressure of the cuff is inflated over the specified pressure limit. The
maximum measurement time values and pressure limits for different measurement modes have
been specified in the technical specification section of this manual.

Pneumatics

Pneumatics of PRESTN module has the following parts:

•

Intake air filter

; for preventing dust and other parts to enter the air pump and the

valves.

•

Air pump

: for pumping the measuring pressure of the cuff.

•

(

Pulse) Valve

; for producing a linear pressure fall (bleeding) in order to measure the

blood pressure of the patient.
Note that there has been used also two other names

Valve

and

Set valve

to

designate pulse valve in service menu.

•

Safety valve

; The safety valve has been intended to be used for deflating the cuff in

single fault case, i.e. to prevent too long measurement time or too high inflation
pressure of the cuff.
Note that there has been used also

Exh2 valve

to designate the

Safety valve

in

service menu.

•

Main pressure sensor

; for measuring the pressure of the blood pressure cuff and

the pressure fluctuations caused by arterial wall movement.

•

Safety pressure sensor

for detection of cuff hose type, cuff loose, cuff occlusion

situations etc.and recognising the pressure sensor fault.

•

Cuff connector

; for connecting the cuff.

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Содержание S/5 PRESTN

Страница 1: ...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 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 Datex Ohmeda Division Instrumentarium Corp P O Box 900 FIN 00031 DATEX OHMEDA FINLAND Tel 358 1...

Страница 2: ......

Страница 3: ...ption 8 2 1 Measurement principle 8 2 1 1 NIBP 8 2 1 2 ECG 8 2 1 3 Pulse oximetry 8 2 1 4 Temperature 10 2 1 5 Invasive blood pressure 10 2 1 6 Respiration 10 2 2 Main components 11 2 2 1 M PRESTN RESTN PRETN modules 11 2 2 2 NIBP board 12 2 2 3 ECG board in 12 lead measurement 15 2 2 4 ECG filtering 17 2 2 5 STP board 18 2 3 Connectors and signals 23 2 3 1 Module bus connector on the NIBP board 2...

Страница 4: ...PRESTN module troubleshooting for NIBP parameter 51 4 2 2 M PRESTN module troubleshooting for parameters ESTPR 52 5 Service Menu 53 5 1 NIBP service menu 54 5 1 2 NIBP demo menu 55 5 1 3 NIBP calibration menu 56 5 1 4 NIBP safety valve menu 57 5 1 5 NIBP pulse valve menu 58 5 1 6 NIBP buttons leds menu 59 5 1 7 NIBP pneumatics menu 60 5 1 8 NIBP watchdog menu 61 5 1 9 ECG service menu 62 5 1 10 EC...

Страница 5: ...9 Pressure measurement principle 20 Figure 10 Pulse oximetry measurement block diagram 21 Figure 11 Serial communication of NIBP board 22 Figure 12 Serial Communication and Isolation of STP board 22 Figure 13 Serial Communication and Isolation of ECG board 22 Figure 14 Module bus connector X1 pin layout 23 Figure 15 ECG board connectors and test points 26 Figure 16 NIBP board connectors and test p...

Страница 6: ...Datex Ohmeda S 5 monitors iv Document No 8005571 1 ...

Страница 7: ... On Off Start Cancel Zero P1 Zero P2 NOTE Do not use identical modules in the same monitor simultaneously The following modules are considered identical M ESTP EST ETP M ESTPR ESTR ETPR M NESTPR NESTR NETPR M NE12STPR NE12STR NE12TPR M PRESTN M RESTN M PRETN Figure 1 S 5 PRESTN Module M PRESTN Table 1 Options of S 5 hemodynamic modules Parameter PRESTN RESTN PRETN P Two invasive blood pressures R ...

Страница 8: ...ed 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 CCM S 00C01 rev 10 5 S 00C02 rev 10 5 or newer versions CAM S 00A05 rev 10 9 S 00A06 rev 10 9 L 00A07 rev 10 9 L 00A08 rev 10 9 or newer versions and CCCM S 00C03 rev 10 9 S 00C04 rev ...

Страница 9: ... accepted 30 to 250 bpm Measurement interval STAT continuous 5 min 1 2 5 3 5 10 15 30 and 60 min 1 h 2 and 4 h Typical measuring time adult 23 s infant 20 s Initial inflation pressure adult 170 10 mmHg child 150 10 mmHg infant 120 10 mmHg Venous stasis adult 40 5 mmHg 2 min child 40 5 mmHg 2 min infant 30 5 mmHg 1 min Cuff widths please see User s Guide 1 2 2 ECG Lead selection 12 lead ECG I II II...

Страница 10: ... Accuracy1 100 to 70 2 digits 3 digits during clinical patient motion 69 to 0 unspecified Display resolution 1 digit 1 of SpO2 Display averaging time 20 10 sec beat to beat Pulse beep pitch varies with SpO2 level The monitor is calibrated against functional oxygen saturation SpO2 func PULSE RATE FROM PLETH Measurement range 30 to 250 bpm Accuracy 30 to 100 5 bpm 100 to 250 5 Resolution 1 bpm Displ...

Страница 11: ...ustable between 10 and 300 mmHg in steps of 10 Lower limit is 10 of selected upper limit below zero Sweep speed 12 5 25 50 mm s DIGITAL DISPLAY Range 40 to 320 mmHg Resolution 1 mmHg WAVEFORM DISPLAY Range 30 to 300 mmHg PULSE RATE FROM ARTERIAL PRESSURE Measurement range 30 to 250 bpm Resolution 1 bpm Accuracy 5 bpm or 5 whichever is greater 1 2 6 Respiration NOTE The respiration measurement is i...

Страница 12: ...ient pressure is done automatically Inflation pressure is adjusted according to the previous systolic pressure typically 40 mmHg above If the systolic pressure is not found inflation pressure is increased typically 50 mmHg Max measurement time adult 120 s child 120 s infant 75 s Pressure transducer accuracy is better than 3 mmHg or 2 whichever is greater Max error 4 mmHg Protection against electri...

Страница 13: ...jection Accuracy 5 or 2 mmHg whichever is greater Transducer and input sensitivity 5 µV V mmHg 5 VDC 20 mA max current Filter 0 to 4 22 Hz adjustable Zero set accuracy 1 mmHg Calibration resolution 1 mmHg Zero time less than 15 s Protection against electrical shock Type CF defibrillation proof NOTE The accuracy of the measurement may be different from the specified depending on transducer probe us...

Страница 14: ...ts of anesthesia on heart function effects of surgery on heart function See the User s Guide or the User s Reference Manual for electrodes positions and other information 2 1 3 Pulse oximetry A pulse oximeter measures the light absorption of blood at two wavelengths one in the near infrared about 900 nm and the other in the red region about 660 nm of the light spectrum These wavelengths are emitte...

Страница 15: ...tent of the arterial blood at elevated carboxyhemoglobin or methemoglobin levels Plethysmographic pulse wave The plethysmographic waveform is derived from the IR signal and reflects the blood pulsation at the measuring site Thus the amplitude of the waveform represents the perfusion Pulse rate The pulse rate calculation is done by peak detection of the plethysmographic pulse wave The signals are f...

Страница 16: ...og amplifiers and further processed by digital electronics 2 1 5 Invasive blood pressure To measure invasive blood pressure a catheter is inserted into an artery or vein The invasive pressure setup consisting of connecting tubing pressure transducer an intravenous bag of normal saline all connected together by stopcocks is attached to the catheter The transducer is placed at the same level with th...

Страница 17: ...and the NIBP board They work independently Each of these has their own processor and software in the processor flash memory There are two small boards the SP input and the ECG input board attached to the front panel of the module The front panel has seven connectors and four keys The connectors are two for temperature measurement two for invasive blood pressure measurement one for ECG one for NIBP...

Страница 18: ...UPPLY NV MEMORY MODULE BUS CONNECTOR NIBP BLOCK DIAGRAM SAFETY CPU NIBP CONTROL KEYS Figure 4 NIBP board functional block diagram Signal processing Two signals from the pressure transducers are amplified and sent to the A D converter After the converter digitized signals are sent to the microprocessor for data processing The NIBP board is controlled with a H8 3052 microprocessor at 16 MHz oscillat...

Страница 19: ... measurement time or if the pressure of the cuff is inflated over the specified pressure limit The maximum measurement time values and pressure limits for different measurement modes have been specified in the technical specification section of this manual Pneumatics Pneumatics of PRESTN module has the following parts Intake air filter for preventing dust and other parts to enter the air pump and ...

Страница 20: ..._diagr vsd 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 The supply voltage 15V is generated in the power supply section of the S 5 monitor The other voltages needed for the operation of the NIBP measurement are made on the NIBP board ...

Страница 21: ...BLE ECG INPUT UNIT ECG CONNECTOR INPUT PROTECTION RESISTORS INPUT PROTECTION DIODES FOR ECG RESPIRATION MEASUREMENT INPUT FILTERING FOR ECG RESPIRATION MEASUREMENTS RESPIRATION MEASUREMENT AMPLIFIERS RESPIRATION MEASUREMENT CURRENT SUPPLY ECG PREAMPLIFIERS RLD CIRCUIT LEADS OFF PACER DEFIBRILLATION DETECTION BASELINE RESTORATION ECG CPU RS 485 COMMUNICATION POWER SUPPLY NV MEMORY ISOLATION ISOLATI...

Страница 22: ... of the display after the change of the signal level e g after the change of the DC offset voltage Pacer detection Pacer detection has been made by using three slew rate detector circuits The pacer detection amplifiers have been realized at the front of the slew rate detectors independently from the ECG measuring channels Respiration impedance supply The 31 25 kHz sine wave generator is used as th...

Страница 23: ...TER 0 05 to 30 Hz with 50 Hz reject filter 0 05 to 40 Hz with 60 Hz reject filter The purpose of filtering is to reduce high frequency noise and low frequency e g respiratory movement artifacts Monitor filter is used in normal monitoring Diagnostic filter is used if more accurate diagnostic information is needed ST filter gives more accurate information of ST segment but reduces high frequency noi...

Страница 24: ... DIAGRAM PATIENT AND TEMPERATURE SENSOR TEMPERATURE CONNECTOR PATIENT AND INVASIVE CANNULA OR CATHETER FLUSHING KIT INVASIVE PRESSURE SENSOR WITH DOME INV PRESSURE CONNECTOR INPUT PROTECTION CIRCUITRY SpO2 PROBE RECOGNITION LED DRIVE SELECTION MATRIX TEMPERATURE MEASUREMENT AMPLIFIER SpO2 AMPLIFIER SpO2 LED DRIVE SENSOR SIGNAL CURRENT SOURCE SENSOR SIGNAL VOLTAGE SOURCE INV PRESSURE MEASURE MENT A...

Страница 25: ...ng principle described below The constant current source is supplied about 7µA current through the temperature sensor YSI 400 series NTC resistor The constant current is caused a voltage over the temperature sensor NTC resistor The voltage over the temperature sensor is amplified in a differential amplifier stage The amplified voltage is transferred to a controller of the STP board through an A D ...

Страница 26: ..._principle vsd Figure 9 Pressure measurement principle Pulse oximetry measurement section LED control signals The D A converters of the microcontroller on STP board set the LED intensity adjustment values for the infrared and red LEDs of SpO2 probe The microcontroller on the STP board switches ON to the adjusted intensity and OFF the SpO2 probe LEDs according to the predetermined sequence LED driv...

Страница 27: ...uction Amplifier Gain 2 DE MUX LP LP LP LP Gain 7 5 Gain 7 5 Gain 7 5 Amplifiers DC suppression DC suppression DC suppression Oximeter channel 1 Oximeter channel 2 Oximeter channel 3 Oximeter channel 4 SpO2 Probe Analog Digital Spo2_measurement_blck_diagr vsd Figure 10 Pulse oximetry measurement block diagram Red and infrared channel separation The detector signal is possible to multiplex to four ...

Страница 28: ...NIBP BOARD NIBP_communication vsd Figure 11 Serial communication of NIBP board RS 485 DRIVER STP BOARD CONNECTOR DATA NDATA RECEIVE DATA SEND DATA SEND RECEIVE STP BOARD CONTROLLER STP BOARD PATIENT ISOLATION STP_communication vsd Figure 12 Serial Communication and Isolation of STP board RS 485 DRIVER ECG BOARD CONNECTOR DATA NDATA RECEIVE DATA SEND DATA SEND RECEIVE ECG BOARD CONTROLLER ECG BOARD...

Страница 29: ...voltage isolated transformer The switching power supplies on the STP and ECG boards are synchronized to the frequency about 340kHz of the switching power supply on the NIBP board The PRESTN module uses only 15VD voltage of the frame The other voltages of the measuring boards are made by the switching power supplies and regulators or the linear regulators Each measuring board is protected against o...

Страница 30: ...STN module Pin No I O Signal Note 1 I RESET_RS485 2 I 15 VDC 3 I 15 VDIRTY 4 I 15 VDC 5 I O NDATA_RS485 6 I O DATA_RS485 7 Ground Shield 8 I RESET_RS485 9 I CTSB 10 O RTSB 11 I RXDB 12 O TXDB 13 Ground Shield 14 I 32 VDIRTY 15 I GroundDIRTY 16 I CTSC 17 O RTSC 18 I RXDC 19 O TXDC 20 ON STANDBY 21 O PWM_ECG 22 RXDD_RS232 23 TXDD_RS232 24 I 5 VDC 25 I 5 VDC ...

Страница 31: ...de C5 V5 Chest electrode Cable Shield SpO2 connector SpO2 Invasive blood pressure connectors P1 P2 Temp connector T1 T2 6 8 9 0 1 2 4 5 7 3 6 8 9 0 1 2 4 5 7 3 Pin No Signal Pin No Signal Pin No Signal 1 Feedback resistor 1 Pressure 1 Temperature probe 2 Ground 2 Pressure 2 Temperature probe 3 Not Connected 3 Polarisation ground 4 Cable shield probe identification ground 4 Polarisation 5 Probe ide...

Страница 32: ... Test pins strips of X102 Component side 2 2 5V 4 2 5Vref Solder side 1 5VA 3 2 5V_R 5 GNDF Test pins strips of X103 Component side Solder side 6 5VD 1 GNDF PIN1 ISOLATION TRANSFORMER PIN ORDER FOR MODULE BUS CONNECTOR OF ECG BOARD 1 15VD 2 GNDN 3 DATA 4 NDATA 5 GNDN 6 PS_OSC 340kHz 7 NC 8 GNDN 9 PWM_ECG 10 5VRS ECG_board_conn_testpoints_01 vsd Figure 15 ECG board connectors and test points ...

Страница 33: ...CONNECTOR OF STP BOARD Pulse valve Safety valve Pump Intake Air Filter NIBP MANIFOLD 5V GND PIN1 PIN1 X106 X103 PROGR Test connector X106 1 POS PUMP VOLTAGE 4 NEG PUMP VOLTAGE 6 Safety VALVE VOLTAGE 2 Pulse VALVE VOLTAGE 8 9 10 GND NIBP_brd_conn_testpoints_01 vsd Figure 16 NIBP board connectors and test points ...

Страница 34: ...20 GNDF 21 6V non regulated 22 GNDF 23 4 5V ADC ref voltage 24 GNDF 25 5V 26 GNDF 27 5V analog 28 GNDF 29 5VLED 30 GNDF STP INPUT CONNECTOR MODULE BUS CONNECTOR ISOLATION TRANSFORMER PIN1 PIN1 PIN2 PIN34 TEST CONNECTOR PROGR X107 STP_brd_conn_testpoints_01 vsd Figure 17 STP board connectors and test points ...

Страница 35: ...e complete procedures for a service check The service check should be performed after any service repair however the service check procedures can also be used for determining possible failures The procedures should be performed in ascending order The instructions include a check form which should be filled in when performing the procedures The mark in the instructions means that the performed proc...

Страница 36: ...rts the front cover and the front panel sticker are intact all connectors are intact and are attached properly the module box the latch and the spring pin are intact 3 Replace the NIBP pump filter in PRESTN RESTN PRETN modules if necessary Reattach the module box and check that the latch is moving properly Switch the monitor on and wait until the monitoring screen appears Configure the monitor scr...

Страница 37: ...vp Setup Label Cvp Pulse Oximetry Pleth Scale Auto ECG measurement 6 Enter the service menu Monitor Setup Install Service password 16 4 34 Service password 26 23 8 Parameters Take down the information regarding module software by selecting Scroll Vers and turning the ComWheel 7 Enter the ESTP ECG service menu Check that the Timeouts Bad checksums and Bad c s by mod values are not increasing faster...

Страница 38: ...e rest of the leads using the same method NOTE When the ground lead black is disconnected all the electrodes should show OFF NOTE The Asystole and Different leads off messages are shown using certain priority so even when one of the leads is disconnected the lead related Leads off message may not appear onto the screen NOTE When RA LA or LL electrode is disconnected all six V electrodes show OFF N...

Страница 39: ... sure that only the ECG leads are connected to the simulator during the apnea test If other cables are connected at the same time the respiration signal from the simulator may be disturbed and therefore the APNEA alarm may not be activated NOTE When you have ECG service menu open spikes will appear on the respiration waveform These spikes represent the threshold level for detecting inspiration and...

Страница 40: ...guration in the service menu and it can be either STP ST or TP Change the configuration in the Calibrations menu if necessary Invasive blood pressure measurement 19 Check the front panel membrane keys that are related to the InvBP measurement Press each of the keys at least for one second Check that the pressed key is identified i e one of the texts for Buttons changes from OFF to ON in the servic...

Страница 41: ...f is shown when the probe is not connected to a finger 24 Connect the SpO2 probe onto your finger Check that the reading of 95 99 and SpO2 waveform appears Check that HR value is calculated from SpO2 when ECG and InvBP P1 are not measured Non Invasive Blood Pressure measurement 25 Enter the NIBP module service menu Parameters NIBP Check that the Timeouts Bad checksums and Bad c s by mod values are...

Страница 42: ...en the pump stops Wait for 15 seconds for the pressure to stabilize then check that the pressure does not drop more than 6 mmHg per one minute Release the pressure by pressing the ComWheel once more 29 Calibration check Recalibrate the NIBP measurement Remember to set the calibration protection back on after the calibration Disconnect the pressure manometer Select Calibrations and then highlight C...

Страница 43: ...t the message Cuff occlusion appears on the screen within 70 seconds 32 Check that automatic inflation limits are in use NIBP NIBP Setup Inflation Limits Auto Previous Menu Connect the cuff onto your arm highlight Start Ven Stasis in the NIBP menu and press the ComWheel Check the module identifies the cuff i e the text Adult appears into the NIBP digit field for a short moment Keep the pressure in...

Страница 44: ...Datex Ohmeda S 5 monitors 38 Document No 8005571 1 37 Clean the module with suitable detergent Fill in all necessary documents ...

Страница 45: ... for locking 3 To detach the ECG board detach four screws disconnect ribbon cable from the STP board supply voltage and ribbon cable from the ECG input board 4 When the ECG board is removed the STP board can be detached by removing four screws disconnecting the cable from the membrane keypad the cable from the temperature connectors and cables from the SP input board Also disconnect the NIBP hoses...

Страница 46: ...king and recalibrating can be done in the NIBP service menu The calibration of the primary pressure channel can also be checked from the NIBP setup menu NIBP NIBP Setup Calibration Check In this case the auto zeroing is performed at start remove hose before entering to ensure atmospheric pressure to the pressure transducers the primary pressure is displayed The zero offset value should then be zer...

Страница 47: ...tection OFF in the Calibration menu and press the ComWheel C Press the buttons again for 3 seconds Menu selection Calibration is now enabled and Protection is disabled When the calibration is enabled a message Calibration not protected appears Start Calibration by pressing the ComWheel Messages Zeroing and Zeroed will appear in the NIBP message field After this a pressure bar and text Calibrating ...

Страница 48: ...brate T1 Calibrate T2 5 Insert calibration plug 25 C into T1 T2 connector 6 Press the ComWheel 7 Insert calibration plug 45 C into T1 T2 connector 8 Press the ComWheel 9 Choose Protection ON in protect mode 3 4 3 Invasive pressure calibration Calibrate invasive pressure when the pressure transducer probe is replaced with a different type of transducer and when STP board is replaced 1 Enter ESTPR t...

Страница 49: ... Artifacts message Unsuccessful measurement due to patient movement shivering external artifact or weak signal Weak pulsation message Weak or unstable oscillation pulses due to artifacts weak pulse pressure due to arrhythmias improper cuff position or attachment too few pulses detected weak or unusual blood circulation obese subject Check patient condition and retry Check any leaks and retry Use p...

Страница 50: ...pump Air leakage message 1 Hose or cuff leaking Reasons 1 Replace cuff cuff damaged replace cuff cuff connector damaged replace cuff connector if the fault is in hose connector O ring damaged or missing replace O ring hose double connector damaged replace hose 2 Hose and cuff OK Reasons 2 Connect or replace tube leakage inside the module replace the whole tubing tube disconnected or damaged fix co...

Страница 51: ...ransducer replace the NIBP board fault in A D converter replace the NIBP board faulty calibration check calibration Calibration switch on message EEPROM protection has been handled by pressing module buttons Auto ON OFF and Start Cancel simultaneously for 3 seconds Enables setting the protection OFF in the Calibration menu Press the buttons again if you are not going to calibrate Calibration not p...

Страница 52: ...persists recalibrate If the problem still persists change the NIPB board 7 Calibration failure Reset module and recalibrate If this does not help change the NIBP board 8 Exhaust Valve occlusion Check tubing If this does not help change the NIBP board 9 Measurement related SW error Automatic recovery 10 EEPROM checksum error memory failure Change the NIBP board 11 Auto zero range exceeded Calibrate...

Страница 53: ...ment site carefully with alcohol Improper bandwidth filter Check filter No ECG trace Waveform not selected on screen Press the Monitor Setup key and make adjustments Module not plugged in correctly Plug in Noise message High frequency or 50 60 Hz noise Isolate noise source 4 1 4 Pulse oximetry SpO2 TROUBLE CAUSE TREATMENT Message NO PROBE No probe connected to the monitor Check probe connections P...

Страница 54: ...ulty Change the probe No SpO2 No waveform selected on screen Check selected SpO2 waveforms by pressing Monitor Setup key and selecting Modify waveforms Wrong configuration setting Check the configuration settings from the ESTPR STP Calibrations menu Monitor Setup Install Service Service Parameters 4 1 5 Temperature TROUBLE CAUSE TREATMENT Message TEMPERATURE ERROR Faulty calibration Perform calibr...

Страница 55: ...number field Possibly due to pulsating pressure waveform Open the transducer to air and zero the channel Offset is 150 mmHg Open the transducer to air and zero the channel Defective transducer Replace it and zero the channel Calibration failed message Unsuccessful calibrating of P1 P2 number field possibly due to pulsating waveform Turn the transducer to sphygmomanometer and try again zeroing take...

Страница 56: ...acceptable resp waveform Poor electrode or poor electrode skin contact Electrodes from different manufacturers are used Too much little gel is used Poor electrode condition Electrodes are dried out Improper site of electrodes Check that electrodes are not placed over bones active muscles or layers of fat Improper skin preparation Remove body hair Clean attachment site carefully with alcohol Messag...

Страница 57: ... message on screen See error code explanation in Service Manual and fix it Do they work Check tubes and connectors Find leak and fix it Check keyboard connector If OK change front panel Check and replace NIBP board OK NO YES YES NO NO NO YES NO NO YES NO YES Key check in Service Menu OK Pump check in Service Menu OK Leak test in Service Menu OK YES NO Check pump connector If OK change pump YES STA...

Страница 58: ...in Service menu Do they work Check front panel unit ECG board and STP board to find culprit Replace if necessary Remove ECG board STP module ID on screen Replace STP board Replace ECG board NO YES NO NO NO YES NO YES NO YES Has SpO2 measurement failed Replace STP board Replace STP board YES NO YES Has Temp measurement failed Replace ECG board YES NO Has ECG measurement failed Replace STP board YES...

Страница 59: ...005571 1 5 SERVICE MENU 1 Press the Monitor Setup key 2 Select Install Service password 16 4 34 3 Select Service password 26 23 8 4 Select Parameters NIBP NOTE Parameter values in Service Data fields are for reference only on this chapter ...

Страница 60: ...nu Calibr prot shows software calibration protection and it should be OFF to enable calibration 15 V power refers to legacy NIBP modules Not used in M PRESTN M RESTN M PRETN AD0 to AD7 show the values of each eight channels of A D converter AD7 is not used in M PRESTN M RESTN M PRETN Timeouts is a cumulative number that indicates how many times the module has not responded to the monitor s inquiry...

Страница 61: ...urement The menu shows the real time pressure signals that are measured from the NIBP cuff The measurement result is shown in the adjoining digit field Wave Recording Wave Recording is for selecting the recording option If ON is selected the pressure signals are recorded in real time onto the M REC paper Remove menu Remove menu widens the displayed waveform area Previous Menu The menu can be close...

Страница 62: ...ote difference to the legacy modules with NIBP The pressure values are automatically zero compensated so the readings of B1 and B2 should be the same as the manometer readings Protection Software calibration protection ON OFF Select OFF when calibrating Protection selection becomes available in the menu after pressing NIBP module buttons Auto ON OFF and Start Cancel simultaneously for 3 seconds Ca...

Страница 63: ...hen calibrating NIBP always change the displayed pressure value slightly with the ComWheel even in cases where the value would be correct For example change the value one step higher and then back one step lower Calibrated text should appear in the display This ensures that the calibration procedure is correctly registered and stored by the module 5 Use the module buttons again to enable Protectio...

Страница 64: ...uff around a pipe and connect the cuff to the module Select the Start test and push the ComWheel The pressure rises beyond 240 mmHg and stops The pulse valve opens The module counts the time it takes for the pressure to go down from 240 mmHg to 50 mmHg and displays it on the screen The test can be manually stopped by selecting Stop test The valve can be adjusted between 0 and 255 0 for fully close...

Страница 65: ...o effect on the module Buttons Leds Data See NIBP Service menu in chapter 5 1 for information on general items Pressure Zero Protect handle Calibr prot 15 V power AD0 to AD7 as well as Timeouts etc Buttons Checking The front panel keys function is confirmed by pressing and releasing the key and observing OFF turns to ON at Auto On Off and Start Cancel ...

Страница 66: ...ock will zero the time on the display Pneumatics Data field See NIBP service menu in chapter 5 1 for information on general items Pressure Zero Protect handle Calibr prot 15 V power AD0 to AD7 as well as Timeouts etc Pump Exh1 Valve and Exh2 Valve show their states Note that Exh1 Valve has no effect to the module Pulse Valve shows how much the valve is opened 0 to 255 during Valve Setting Interval...

Страница 67: ...st No effect on the module Watchdog Data field See NIBP Service menu in chapter 5 1 for information on general items Pressure Zero Protect handle Calibr prot 15 V power AD0 to AD7 as well as Timeouts etc Watchdog Interval no effect on the module Adult watchdog time testing No effect on the module Infant watchdog time testing No effect on the module ...

Страница 68: ...same time Cable shows ON when ECG cable is connected Electrode shows ON when each of these electrodes are connected Pacer count is a running number for pacemaker users Button No effect on the module Resp Available indicates that ECG hardware is capable of measuring impedance respiration Measurement shows ON when the respiration measurement is on Amp zero shows ON when zeroing of the respiration am...

Страница 69: ...s either serial communication failure or module not in place Also other modules can cause communication errors that cause these numbers rise RAM indicates the state of the RAM memory ROM indicates whether the checksum at the EPROM is in accordance with the one the software has calculated EEPROM indicates if the values stored in the permanent memory are valid The state is either OK Fail or module n...

Страница 70: ...requency artefacts caused by electrosurgery unit but catches the slow changes in ST segment The ST filter is more susceptible to baseline wander than the monitor filter Pacemaker Selects how to display the pacing pulse of cardiac pacemaker The selections are Show Hide ON R and Sensit Hide the pacing pulse is filtered away from ECG data Show the pacer pulse is filtered away from ECG data but the pu...

Страница 71: ...ON when a corresponding cable is connected to the front panel and Probe shows ON when a corresponding probe is connected to the cable Under Value the measured numeric values are displayed simultaneously Pressure values are real time values and shown in mmHg Temperature values are shown in degrees Celsius The front panel STP keys functions are confirmed by pressing each key and observing OFF turns ...

Страница 72: ...he chosen module configuration TP ST or STP Timeouts is a cumulative number that indicates how many times the module has not responded to the monitor s inquiry Bad checksums is a cumulative number that indicates how many times communication from the module to monitor broke down Bad c s by mod is a cumulative number that indicates how many communication errors the module has detected The monitor st...

Страница 73: ...st plugs of value 25 C and 45 C Calibration 1 Select Calibrate T1 Calibrate T2 2 Insert the test plug 25 C into the T1 T2 connector 3 Press the ComWheel 4 Insert the test plug 45 C into the T1 T2 connector 5 Press the ComWheel Calibrate P1 Calibrate P2 The functions are for calibrating the invasive blood pressure channels P1 and P2 The calibrations require a pressure transducer with an appropriate...

Страница 74: ...ription Order No Replaced by 1 Module box wide 886168 2 Spring pin 879182 3 Latch for module box 879181 4 ECG_120 board M1008909 5 ECG Input board holder M1021216 6 STP_120 board M1006153 7 NIBP unit M1012677 8 Air filter NIBP 57142 9 Silicon tube NIBP 2pcs 100mm 73375 10 Membrane keypad 8005215 11 Mask including NIBP flex board and ECG connector unit M1018978 12 NIBP Cuff connector 64654 ...

Страница 75: ... 26 Front panel IT M PRESTN M1021298 26 Front panel JA M PRESTN M1021299 26 Front panel NL M PRESTN M1021300 26 Front panel NO M PRESTN M1021301 26 Front panel PL M PRESTN M1021302 26 Front panel PT M PRESTN M1021303 26 Front panel SV M PRESTN M1021305 26 Front panel DA M PRETN M1021423 26 Front panel DE M PRETN M1021424 26 Front panel EN M PRETN M1021422 26 Front panel ES M PRETN M1021425 26 Fron...

Страница 76: ...Datex Ohmeda S 5 monitors 70 Document No 8005571 1 Item Description Order No Replaced by 26 Front panel PL M RESTN M1021451 26 Front panel PT M RESTN M1021452 26 Front panel SV M RESTN M1021453 ...

Страница 77: ...S 5 M PRESTN Modules 71 Document No 8005571 1 7 EARLIER REVISIONS No earlier revisions ...

Страница 78: ...Datex Ohmeda S 5 monitors 72 Document No 8005571 1 For your notes ...

Страница 79: ...S 5 M PRESTN Modules 73 Document No 8005571 1 APPENDIX A ...

Страница 80: ...Datex Ohmeda S 5 monitors 74 Document No 8005571 1 ...

Страница 81: ...ate OK Test OK N A Test not applicable Fail Test Failed All modules OK N A Fail OK N A Fail 1 Internal parts 2 External parts 3 NIBP pump filter 4 Installation 5 Recognition Notes ECG measurement S N 6 Module software serial numbers ECG RESP STP NIBP OK N A Fail OK N A Fail 7 Communication and memories 8 Power frequency 9 Cable recognition 10 Lead detection 11 Test with patient simulator Notes ...

Страница 82: ...Fail OK N A Fail 14 Communication and memories 15 Temperature probe detection 16 Calibration check 17 Temp test function 18 Configuration STP ST TP Notes InvBP measurement S N OK N A Fail OK N A Fail 19 Membrane keys 20 Cable and transducer detection 21 Calibration 22 Test with patient simulator Notes SpO2 measurement S N OK N A Fail OK N A Fail 23 SpO2 probe detection 24 Test measurement Notes ...

Страница 83: ...on check Measured B1 Measured B2 Allowed range 0 mmHg 9 mmHg 100 mmHg 100 2 mmHg 200 mmHg 200 3 mmHg 260 mmHg 260 4 mmHg 30 Safety valve functions B1 B2 Allowed range Max press ADULT 270 to 330 mmHg 2 s after stop ADULT 270 to 330 mmHg Max press INFANT 130 to 165 mmHg 2 s after stop INFANT 130 to 165 mmHg OK N A Fail OK N A Fail 31 Cuff related messages 32 Adult cuff detection 33 Test measurement ...

Страница 84: ...meda S 5 monitors A 4 4 Document No 8005571 1 All modules OK N A Fail OK N A Fail 35 Electrical safety check 36 Functioning after electrical safety check 37 Final cleaning Notes Notes Used Spare Parts Signature ...

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