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Summary of Contents for QA-45

Page 1: ...QA 45 User Service Manual QA 45 Defibrillator and Transutaneous Pacemaker Analyzer P N 13060...

Page 2: ...anty METRON warrants that the QA 45 Defibrillator Transcutaneous Pacemaker Analyzer will substan tially conform to published specifications and to the documentation provided that it is used for the pu...

Page 3: ...Printouts 8 4 Defibrillator Mode Testing 1 4 1 Introduction 1 4 2 Test Preparation 1 4 3 Energy Test 3 4 4 Cardioversion Test 4 4 5 Maximum Energy Charging Time Test 6 4 6 Shock Advisory Algorithm Te...

Page 4: ...ative authorized to process changes and revisions to publications make the pen changes or insert the revised pages ensure that obsolete pages are withdrawn and either disposed of immediately or marked...

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Page 6: ...resistance of 50 ohm which roughly corresponds to the impedance of the human body The de fibrillator pads are placed on the QA 45 contact plates Thus the de fibrillator is connected through the load...

Page 7: ...ack amplitude 1 mV 200 V Lead I Test pulse Approx 4 Joules Load Resistance 50 ohms 1 non inductive 1 H Display Resolution 0 1 Joules Measurement Time Window 100 ms Absolute Max Peak Voltage 6000 volts...

Page 8: ...Playback 200 to 1 time base expansion of defibrillator pulse by playback to ECG Leads Manual ECG Performance Test DC Pulse 4 seconds 1 0 mV Square wave 2 Hz 1 0 mV p p biphasic Triangular wave 2 Hz 1...

Page 9: ..._STD PVC PVCRonT R on T PVC mfPVC Multifocal PVC bigeminy Bigeminy run5PVC Bigeminy Run of 5 PVCs vtach Ventricular Tachycardia Shock Advisory Test Algorithms ASYS Asystole SVTa_90 Supraventricular Ta...

Page 10: ...Accuracy 1 or 2 ppm Pulse width 0 6 to 80 ms Accuracy 1 or 0 3 ms 3 DEMAND SENSITIVITY TEST Waveforms Square SQR Triangle TRI and Havemine SSQ ECG output Amplitude 0 4 mV Resolution 40 V Pacer input...

Page 11: ...8 0 cm 11 0 in Weight 2 06 kg with battery 4 5 lbs Recommended Printer HP DeskJet 500C 550C and Canon BJ 10SX Standard Accessories 110 V or 220 V AC Adapter P N 17021 Internal paddle contact adapter P...

Page 12: ...Periodic Inspection The unit should be calibrated every 12 months 7...

Page 13: ...ch a replacement The customer will not have to wait for a claim to be investigated by the supplier The customer should place a new purchase order to ensure delivery 4 When returning an instrument to M...

Page 14: ...remain off for at least 5 seconds before switching on again in order to allow the test cir cuits to discharge fully 2 Low Battery Power If battery power falls below 6 9 volts 0 3 volts the display wil...

Page 15: ...e instrument 3 Changing Batteries Open the compartments in the base of the instrument replace the old batteries with new ones and close the compartment covers Use 9 volt alkaline batteries Duracell MN...

Page 16: ...zer It allows you to conduct the same tests but by remote control via an IBM compatible PC XT with MS Windows Version 3 1 or later Additionally the program has additional fea tures to enhance your def...

Page 17: ...stored on disk and the results of testing can be sent back to the equipment database to close a work order and update the service his tory 5...

Page 18: ...een PACE and Low High ranges of defibrilla tor energy 3 LCD Display Shows messages test results and function menus 4 Function Keys Fl F5 are used to select the functions shown on the bottom line of th...

Page 19: ...oded 4 mm safety terminals with snap to banana adapters 7 Pacer Input Connectors The pacer output cables are connected to these so that the pacer signal passes through the instrument with a variable l...

Page 20: ...t for connecting 9V 100 mA battery elimina tor 3 2 QA 45 Menu and Function Keys The QA 45 uses display and programmable function keys to provide flexibility and control over the operations The upper p...

Page 21: ...the QA 45 has been switched on 2 Main Menu a Main Menu Bar Page 1 Mode switch in Low or High position b Second Menu Bar Page 2 c Third Menu Bar Page 3 3 ECG WAVE F1 Choose desired wave by pressing UP...

Page 22: ...ator It changes the text Delay to Chrg T in the RESULT field in the main menu 6 PRINT HEADER F4 Automatically writes a heading for the new test protocol 7 WAVE AMPL Wave Amplitude F1 Choose desired am...

Page 23: ...soft ware PRO Soft QA 40 45 3 4 Menu and Messages Transcutaneous Pacemaker Mode 1 Startup Screen The following screen will be displayed for 2 seconds after the QA 45 has been switched on 2 Main Menu a...

Page 24: ...ress CANCEL F5 to cancel selection 4 SELECT NOISE F2 Choose desired noise for the immunity test by UP F2 or DOWN F3 and then SELECT F4 Press CANCEL F5 to cancel selection 5 PRINT HEADER F3 Automatical...

Page 25: ...ensitive to any external inputs the maximum time interval after the generation of a pacer pulse and maximum time interval after a QRS wave See Pacing Refractory Period and Sensing Refractory Period in...

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Page 27: ...gy is equal to the square of the voltage divided by the load resistance QA 45 measures and records the voltage pulse every 100 s 1000 times for a total time of 100 ms The squares of the voltages are t...

Page 28: ...2...

Page 29: ...QA 45 calculates the energy delivered over the load resistance and displays the result in joules under RESULT See below QA 45 also shows the energy measured the maximum voltage and the maximum current...

Page 30: ...ect ECG WAVE F1 from the main menu 2 The ECG Wave menu opens QA 45 includes the following ECG wave selection for cardioversion tests or for the testing of elec trocardiograph monitors Normal Sine Rate...

Page 31: ...under Wave in the STATUS field by pressing SE LECT F4 Press CANCEL F5 to cancel selection 3 QA 45 includes the following ECG wave amplitude options 0 5 mV 1 0 mV 1 5 mV and 2 0 mV To change wave ampl...

Page 32: ...ew pulse can be generated when the LCD display shows LOCAL 4 5 Maximum Energy Charging Time Test 1 The charge time function is used to test the battery and the charging capacitor in the defibrillator...

Page 33: ...matic and semi au tomatic defibrillators A series of arrhythmia is available for analysis by the defibrillator that should then prompt the user to shock of no shock in accordance with national and int...

Page 34: ...lect Press CANCEL F5 to cancel selection The ECG signal is output through the low level ECG connectors high level ECG connector and paddle contact plates on the QA 45 4 Set the defibrillator to analyz...

Page 35: ...displaying refractory periods and immunity tests which determine the pacemaker s susceptibility to 50 60 Hz interference 5 2 Testing Preparation 1 Connect the pacer output cables to the pacer input co...

Page 36: ...Select the desired noise form by pressing UP F2 or DOWN F3 and then Select F4 Press CANCEL F5 to cancel the selection After selection the main menu will reappear 2...

Page 37: ...amplitude mV re quired to cause the pacemaker to operate in the demand mode During sensitivity measurement three different waveforms are selectable with widths varying in steps from 10 to 200 ms This...

Page 38: ...4...

Page 39: ...ctory Period Test 1 General This test is used to test the time interval in millisec onds ms during which the pacemaker is insensitive to any ex ternal inputs QA 45 does this by measuring the maximum t...

Page 40: ...Period The maximum time interval after a QRS wave is sensed by the pacemaker during which time the presence of a second QRS wave is ignored The sensed refractory period is measured in a similar man ne...

Page 41: ...c Upon completion of testing the results will be displayed un der RESULT Press REF PER CANCEL F5 to cancel the test 7...

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Page 43: ...erences The function keys are numbered 1 to 5 with switch 1 farthest to left 6 4 Test 1 Set power to ON Wait 3 seconds and measure the current from the power supply Requirement 68 mA 5 mA 2 Adjust P2...

Page 44: ...FF Measure the resistance from the RL output to the RA LA and LL outputs Requirement 1000 ohm 30 ohm 9 Measure the resistance from the RL output to the V2 V3 V4 V5 and V6 outputs Requirement 1000 ohm...

Page 45: ...values will be stored in QA 45 s EEPROM when SAVE QUIT is pressed 15 Set the power switch to Off Remove the covers at J106 and J107 Measure the resistance between TP101 and TP102 Requirement 2 MOhm 2...

Page 46: ...value displayed is between 1997 5 and 2000 mV regardless of the polarity status Check that the scope output is 2000 mV 20 mV or 2000 mV 20 mV Remove the power source and secure P102 P103 and P104 Swi...

Page 47: ...0 ohm 297 ohm 303 ohm 400 ohm 396 ohm 404 ohm 500 ohm 495 ohm 505 ohm 600 ohm 594 ohm 606 ohm 700 ohm 693 ohm 707 ohm 800 ohm 792 ohm 808 ohm 900 ohm 892 ohm 909 ohm 1000 ohm 990 ohm 1010 ohm 1100 ohm...

Page 48: ...iation Rate 80 ppm 0 5 ppm Width 10 ms 0 3 ms Amplitude 20 mA 1 mA Energy 2 0 mJ 0 5 mJ 31 Set the pacer load to 1000 ohm Connect a pulse generator to the pacer input The following values are acceptab...

Page 49: ...a printer A serial port RS 232C makes remote control from a PC possible All measurement and control signals are con nected via contacts on the top and rear of the unit To operate the unit there are 5...

Page 50: ...e the external power supply can be connected to J7 D1 protects against incorrect polarization R16 is a PTC fuse that provides high impedance if too much power is drawn F19 provides high frequency filt...

Page 51: ...4 IC112 reads parallel data from the switches used for operation The data format is adapted to the microprocessor s SPI interface and clocked by the SCK clock from the processor The A D converter IC10...

Page 52: ...Range With an input attenuation of 200 the measurement range becomes 1000 to 1000 Volt Low Range With an input attenuation of 10 the measurement range becomes 50 to 50V pacer mode IC102 is used as an...

Page 53: ...ching type and will therefore use no power from the batteries except when they are operated Before the relays are set they are all reset via pin 18 on U4 2 Stimulus Output The stimulus signal that is...

Page 54: ...de BAT54 2 D7 D8 Zener diode 13V 1 D1 Transzorbdiode BZW06 6V4B 1 D3 Transzorbdiode BZW06 17B 3 D9 Dll Crystal 8 MHz 1 Y1 Resistor 1K0 1 0 5W 1 R8 Resistor 2K2 1 0 5W 1 R9 Resistor 3K3 1 0 5W 1 R13 Re...

Page 55: ...4052P 1 ICl14 Diode 1N4148 3 Dlll Dl13 Zener diode 5V1 4 D104 D107 Schottky diode 1N5819 1 Dl14 Transzorb diode BZW06 10B 2 D101 D102 Transzorb diode BZW06 17B 3 D108 Dl10 Resistor 47R 1 0 5W 1 R184 R...

Page 56: ...5 nylon 4 Screw M3x12 nylon 4 Nut M3 nylon 4 ECG SIGNAL DISTR BOARD ECG signal distr circuit board AR 094 1 Resistor 499R 1 0 5W 10 R2 R3 R5 R7 R9 Rll R13 R15 R17 R19 Resistor 47K5 1 0 5W 1 R14 Resist...

Page 57: ...r 10K 1 0 5W 3 R15 R24 R27 Resistor 20K 0 1 0 5W 4 R8 R10 R14 R16 Resistor 24K 0 1 0 5W 2 R17 R18 Resistor 30K 0 1 0 5W 2 R26 R29 Resistor 249K 0 1 0 5W 2 R19 R20 Multilay X7R 100nF 50V 8 C1 C5 C7 C8...

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Page 59: ...Board A 5 Sensor Board Component Location Diagram A 6 Schematic Diagram Part 4 Sensor Board A 7 Schematic Diagram Part 5 Sensor Board A 8 Schematic Diagram Part 6 Sensor Board A 9 ECG Signal Distribu...

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Page 72: ...s Fax E mail Date Error Report Product Version Serial no Description of the situation prior to the error Description of the error METRON AS internally Comments Received date Correction date Ref No Cri...

Page 73: ...ame Phone Address Fax E mail Date Improvement Suggestion Product Version Description of the suggested improvement METRON AS internally Comments Received date Correction date Ref No Critical Normal Min...

Page 74: ...6 Fax 1 616 454 3350 E mail support us metron biomed com FRANCE 30 rue Paul Claudel 91000 Evry France Phone 33 1 6078 8899 Fax 33 1 6078 6839 E mail info metron fr NORWAY Travbaneveien 1 N 7044 Trondh...

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