CU Medical Systems i-PAD NF1200 Service Manual
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i-PAD NF1200
Service Manual
CU Medical Systems, Inc.
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Summary of Contents for CU Medical Systems i-PAD NF1200

  • Page 1 NF1200 Service Manual CU Medical Systems, Inc.
  • Page 2 NF1200 Quick Reference Card Rescue Steps Connect the defibrillator pads to the i-PAD and then place on patient. Stand clear and press the SHOCK button if instructed. Administer CPR...
  • Page 3 Notice i-PAD NF1200 Service Manual CU Medical Systems, Inc. reserves the right to make changes on the device specifications contained in this manual at any time without prior notice or obligation to customers. Printed in the Republic of Korea Publication Date: March 2007 Service Manual Part No.:...
  • Page 4: Table Of Contents

    1.1 The i-PAD NF1200 ............................5 1.2 Service Manual Overview ..........................5 1.3 Warnings, Cautions, and Notes........................5 1.4 i-PAD NF1200 Device Details ........................5 1.4.1 Operating Controls, Indicators and Accessories ................... 7 1.4.1.1 Device Parts Illustration ......................7 1.4.1.2 Accessories ..........................10 1.4.2 Voice and Text Prompts ........................
  • Page 5: Introduction

    “CAUTIONS” – used to denote conditions, hazards, or unsafe practices that can result in minor personal injury, damage to the i-PAD NF1200, or loss of data stored in it. “NOTES” – used to denote items that are important during installation, operation, or maintenance of the i-PAD NF1200.
  • Page 6 High Voltage Electrical energy Therapy Capacitor High Voltage Electrical energy High Voltage Power Supply Electrical energy 15V, 5V, 3.3V, -3.3V, 1.8V General Power Supply To various parts of the device Battery Pack Power Supply Subsystem i-PAD NF1200 Functional Block Diagram...
  • Page 7: Operating Controls, Indicators And Accessories

    1.4.1 Operating Controls, Indicators and Accessories 1.4.1.1 Device Parts Illustration Top View of the i-PAD NF1200 with its cover closed...
  • Page 8 Perspective view of the i-PAD NF1200 with its cover open...
  • Page 9 Power ON/OFF Press this button to turn the i-PAD ON or OFF. Button i-Button Press this button to: • Get information regarding the i-PAD’s last usage (usage time and number of shocks delivered.) • Get information regarding errors that were detected during self-tests. •...
  • Page 10: Accessories

    1.4.1.2 Accessories Only parts and accessories approved by CU Medical Systems, Inc. must be used with the i-PAD NF1200. Using parts and accessories that are not approved by CU Medical Systems, Inc. may degrade performance. Using accessories and cables other than the ones specified in this manual may result in increased...
  • Page 11: Voice And Text Prompts

    1.4.2 Voice and Text Prompts Prompts The i-PAD NF1200 guides you throughout a rescue operation using voice prompts and other audio-visual indicators. The following table lists the voice prompts of the i-PAD NF1200. Table: Voice prompts and their meanings. Prompt Meaning/Definition •...
  • Page 12 • Device usage time is 10 minutes Given during administration mode. Indicates the duration (in minutes) that the i-PAD NF1200 was ON. In this case, the i-PAD NF1200 was ON for 10 minutes during its previous usage. Shock delivery is 4 times •...
  • Page 13: Routine Maintenance

    Whenever service is necessary, please contact CU Medical Systems, Inc. or any of its authorized representatives. 2.2 Cleaning the i-PAD NF1200 After each use, clean the i-PAD NF1200 using a soft, damp cloth moistened with any of the following solvents: Soap and water...
  • Page 14: Periodic Safety And Functional Checks

    It is recommended that the following periodic checks be performed to ensure that the device and its accessories are in good condition and ready for any emergency. Maintenance Activities Frequency Activity Actions to be Taken Check the i-PAD NF1200 for any error If a message that the battery is low is messages that might have been displayed, recharge the battery.
  • Page 15 MAINTENANCE CHECKLIST i-PAD NF1200 Serial Number __________________ Location/Vehicle ID _________________ Date Scheduled Frequency i-PAD NF1200: Clean, no signs of damage, free of excessive wear Supplies Available -2 sets of defibrillator electrode pads, undamaged, sealed, within expiration date -supplementary supplies (razor,...
  • Page 16: Batteries

    The i-PAD NF1200 is equipped with LiMnO2 battery cells. These batteries are nonrechargeable. The status of the battery charge is monitored by periodic tests (daily, weekly, monthly), power ON test, run-time test, and battery insertion test. The i-PAD NF1200 indicates through the State LED and the i-Button if the battery pack needs to be replaced.
  • Page 17: Performance Verification

    The i-PAD NF1200 conducts automatic self-tests and a battery insertion test to verify the functionality of its subsystems. The automatic tests are conducted at Power On, Run-time, and daily, weekly, and monthly. It is important to have the battery connected to the i-PAD NF1200 all the time so that it could conduct the automatic self-tests.
  • Page 18: Automatic Self-Tests

    “Low battery level. Replace the battery with a new one.” – if the i-PAD NF1200 detected a low battery level. “System failure. Error code is 2”. – if the i-PAD NF1200 detected a system failure. The error code is a number from 2 to 128.
  • Page 19 NF1200 gives the voice prompt: “Press the flashing red i-Button.” After you press the flashing red i-Button, the beeper emits a short beep and the i-PAD NF1200 gives any of the following voice prompts “Low battery level.
  • Page 20: Shock Waveform Verification Test

    3.5 Shock Waveform Verification Test Equipment needed Defibrillator Analyzer with energy measurement function Oscilloscope with high voltage probes (up to 2500 V capacity) and current probe (up to 100 A capacity) 25Ω 1% 100W Wire-Wound 50Ω 1% 100W Wire-Wound 100Ω 1% 100W Wire-Wound Various 100-Watt resistances 125Ω...
  • Page 21 50Ω impedance, to get a total impedance load of 25Ω, short resistance X and set resistance Y to 50Ω. Connect the defibrillator analyzer to the i-PAD NF1200 (DUT – defibrillator under test) using banana- type connectors (defibrillator side end – defibrillator electrode pads connector, analyzer side end –...
  • Page 22: Data Transmission Test

    13. Disconnect the i-PAD NF1200 from the personal computer when the data transmission is finished. 14. Go to the personal computer and open the data file received from the i-PAD NF1200. Verify that the 60 bpm normal sinus rhythm ECG waveform is correctly transmitted. Verify that the QRS peaks are 1...
  • Page 23: Impedance Measurement Test

    3.7 Impedance Measurement Test The i-PAD NF1200 is designed to work on patients with transthoracic impedances that fall within the range of 25Ω to 175Ω. Beyond this range, the i-PAD NF1200 does not proceed with ECG analysis. Test Procedure Equipment needed Variable resistive impedance load (10Ω...
  • Page 24: Voice And Text Prompt Testing

    3.8 Voice and Text Prompt Testing The i-PAD NF1200 is designed to guide the operator during rescue operations through voice prompts. The voice and text prompts indicate the status of the rescue operation and the actions that the operator and bystanders must do during a rescue operation.
  • Page 25 NF1200 Rescue Protocol...
  • Page 26: Troubleshooting

    4.3 Replacement Level Supported Due to the high density of surface mount components, CU Medical Systems, Inc. recommends that all repairs shall be done on the printed circuit board (PCB) level. It is not recommended to replace individual components on the PCBs with the exception of easy to replace items like fuses.
  • Page 27 Failure: Failure detected during Automatic or Manual Self Tests. ERROR code given through voice prompt. Table: Self-Test Error Codes Error Name Error Code Fault Remedial Action Replace the battery pack with a LOW BATTERY 0001 Low battery charge new one. SYSTEM ERROR 0002 ROM chip 1 fault...
  • Page 28 Failure: The i-PAD NF1200 does not go beyond the “ATTACH PADS” prompt even though it is connected to the patient. Possible Causes Action Pads are not properly attached to the Attach the pads firmly. Make sure that the skin surface is patient.
  • Page 29 Failure: No voice prompt is heard when the i-PAD NF1200 is used. Possible Causes Action Speaker failure Replace the speaker. Verify that the problem is solved by turning the i-PAD NF1200 ON. The voice prompt to “ATTACH PADS” should be heard.
  • Page 30 Failure: No shock is delivered when the SHOCK button is pressed after the i-PAD NF1200 issues the prompt to “PRESS THE FLASHING ORANGE BUTTON, NOW. DELIVER SHOCK, NOW”. Possible Causes Action SHOCK button failure. Verify the operation of the SHOCK button by checking the continuity of the poles of SW4 when it is pressed.
  • Page 31 Battery pack is not inserted into the i- Verify that the battery pack is inserted into the i-PAD PAD NF1200 during storage NF1200 during storage. Turn the i-PAD NF1200 and verify that it turns ON. Insert the battery pack if it is not inserted.
  • Page 32 IrDA transceiver is out of range Verify that the IrDA transmitter is within range of the IrDA port of the i-PAD NF1200. The transmitter of the COM Port Serial Adapter should be within 5 to 30 cm away from the IrDA port of the i-PAD NF1200. The transmitter must also be within ±15°...
  • Page 33: Disassembly And Repair

    5 Disassembly and Repair This section is a guide on how to disassemble and reassemble the i-PAD NF1200. Do not attempt to disassemble the i-PAD NF1200 if you have not received any training on servicing the device. The energy stored in the defibrillating capacitor of the i-PAD NF1200 is lethal. The voltage across the capacitor reaches more than 1500V during operation.
  • Page 34: Disassembly

    5.1 Disassembly Remove the battery pack from its receptacle. Remove the screws at the bottom of the chassis of the device. These screws hold the top and bottom cases of the device together. The locations of the screws are shown encircled in the figure below.
  • Page 35 Lift the bottom cover. After lifting the bottom cover, you will see the following: Discharge the defibrillating capacitor. Disconnect the defibrillating capacitor connector shown encircled above. ENERGY DEFIBRILLATING CAPACITOR LETHAL stored in the SHOCK DEFIBRILLATING CAPACITOR To prevent any chance of unintentional , the MUST BE DISCHARGED before handling...
  • Page 36 Disconnect the flat printed cable connection between the power board and the main board. Disconnect the connectors between the power board and the ECG-Defib port and the ECG Hybrid circuit. Remove the screws that hold down the power board. These are encircled in the picture below.
  • Page 37 Lift the power board. Remove the insulator between the power board and the main PCB board by removing the screws encircled in the picture below.
  • Page 38 Remove the screw that holds the main PCB board to the i-PAD NF1200 chassis. This screw is shown encircle below. Then lift the main PCB board off the chassis.
  • Page 39 You will see the top case after you lift up the main PCB board. This is shown in the picture below.
  • Page 40: Reassembly

    5.2 Reassembly Reverse the disassembly process. Place the boards and the screws and reconnect the connectors in reverse order of the disassembly process.
  • Page 41: Assembly Diagram

    6 Assembly Diagram...
  • Page 42 Assembly Diagram Larger version (A3 size)
  • Page 43: Technical Specifications

    TECHNICAL SPECIFICATIONS Physical Category Nominal Specifications Size 2.75 in high X 8.66 in wide X 10.23 in deep (70 mm high X 220 mm wide X 260 mm deep) Weight Approximately 4.84 lbs (2.2 kg) with battery pack installed Environmental Category Nominal Specifications 32 °F to 104 °F (0 °C to 40 °C)
  • Page 44 Arrhythmia Detector Performance ECG Analysis System - ECG Database Test 90% One Test Minimum test Performance Shock No Shock Observed Sided Lower Rhythm Rhythms sample sample size goal Decision Decision Performance Confidence size Class Limit 97.26% Coarse >90% (213/219) sensitivity sensitivity 81.02% >75%...
  • Page 45 Defibrillator Category Nominal Specifications Operating Mode Semi-automated cube biphasic (Truncated exponential type); impedance Waveform compensated Energy 200 Joules nominal into a 50Ω load By pulse width modulation (PWM) provided by HV micro. HV micro is Charge Control activated by arrhythmia detector Charge time from “Shock Advised”...
  • Page 46 Waveform Specifications (200 Joules) Patient Impedance Phase A, Duration Phase B, Duration Energy Delivered (Ohms) (milliseconds) (milliseconds) (Joules) 11.0 11.0 12.8 12.8...
  • Page 47 ECG Acquisition Category Nominal Specifications Acquired ECG Lead Lead II Frequency Response 1 Hz to 30 Hz ECG Analysis System Category Nominal Specifications Determines the impedance of the patient and evaluates the ECG of the patient Function to determine whether it is shockable or non shockable Impedance Range 25Ω...
  • Page 48 Defibrillator Pads (CUA0512F) Category Nominal Specifications self-adhesive, disposable, non-polarized defibrillation pads Type Defibrillation pads for patients 8 years of age and older or 55 lbs. (25 Adult Pads kg) and over. Adult : 110cm each Surface Area 1.5m Cable Length Data Recording and Transmission Category Nominal Specifications...
  • Page 49: Electromagnetic Compatibility

    Electromagnetic Compatibility Guidance and manufacturer’s declaration – electromagnetic emissions The i-PAD NF1200 is intended for use in the electromagnetic environment specified below. The customer or the user of the i-PAD NF1200 should assure that it is used in such an environment.
  • Page 50 Guidance and manufacturer’s declaration – electromagnetic immunity The i-PAD NF1200 is intended for use in the electromagnetic environment specified below. The customer or the user of the i-PAD NF1200 should assure that it is used in such an environment. Immunity Test...
  • Page 51 FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy. To assess the electromagnetic environment due to fixed RF transmitters, an electromagnetic site survey should be considered. If the measured field strength in the location in which the i-PAD NF1200 is used exceeds the applicable RF compliance level above, the i-PAD NF1200 should be observed to verify normal operation.
  • Page 52 NF1200 The i-PAD NF1200 is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled. The customer or the user of the i-PAD NF1200 can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equipment (transmitters) and the i-PAD NF1200 as recommended below, according to the maximum output power of the communications equipment.
  • Page 53 CU Medical Systems, Inc. How to Contact Us ■ Product and Order Inquiries: International Marketing Team CU Medical Systems, Inc. #534 Dusan Venturedigm 126-1 Pyeongchon, Dongan, Anyang City, Gyeonggi 431-070 Republic of Korea Tel: +82 31 478 5725 Fax: +82 31 478 5729...

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