Invivo Escort M8 Service Manual
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Invivo Escort M8 Service Manual

Patient monitor
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  • Page 3 Invivo Research. Invivo Research makes no warranty of any kind on this material, including but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Invivo Research shall not be liable for errors contained herein or for incidental or consequential damages concerning the furnishing, performance or use of this material.
  • Page 4 User Assistance If you have a question or need help operating the Escort M8 Vital Signs Monitor, please contact InvivoMDE Technical Service: (888) 221-1593 Int’l: (407) 275-3220 For the latest information about InvivoMDE products, please consult out web site: www.intermagnetics.com...

  • Page 5: Table Of Contents

    Main Features of the Escort M8 Vital Signs Monitor ............. 1-5 INSTALLATION AND CHECKOUT................. 2-1 Preinstallation ........................2-1 How to Connect the Escort M8 Vital Signs Monitor to Power ........2-1 2.2.1 Operational Checkout Procedure ..................2-2 CONFIGURING THE MONITOR................3-1 System Setup........................
  • Page 6 Table of Contents (Continued) Paragraph Number Page Number Major Assembly Views ....................7-5 7.4.1 Assembly/Subassembly Views ..................7-7 Monitor Disassembly Procedure..................7-14 Monitor Reassembly Procedure..................7-14 Replacing the Display ....................7-14 Replacing the Optional Recorder Assembly..............7-14 Replacing the SPO2 Masimo Board ................
  • Page 7 Figure Number Page Number Escort M8 Vital Signs Monitor - Front View ..............1-1 Escort M8 Vital Signs Monitor - Left Rear View ............1-2 Escort M8 Vital Signs Monitor - Right Rear View ............1-2 Escort M8 Vital Signs Monitor - Left Side View ............

  • Page 8: General Information

    The Escort M8 Vital Signs Monitor is a small, lightweight patient monitor designed to acquire and display physiological waveforms and parameters. Before using the Escort M8 Vital Signs Monitor, be sure to read carefully and understand all sections of this Service Guide. Failure to read and understand the instructions may lead to misuse of the Escort M8 Vital Signs Monitor, which could result in harm to the patients.
  • Page 9 Typographical Conventions in this Service Guide This guide contains warnings, cautions and notes to help call your attention to the most important safety and operational aspects of the system. To help identify these items when they occur in the text, they are shown using the following typographical conventions: WARNING - Statements that call attention to the possibility of injury, death or other serious adverse reactions associated with the use or misuse of the device.
  • Page 10 Indications for Use The Escort M8 Vital Signs Monitor is indicated for use in adult and pediatric patient populations in an environment where patient care is provided by healthcare professionals (e.g. Physician, Nurse, Technician) when: The professional determines that a device is required to measure any or all of the following patient parameters: •...

  • Page 11: Precautions

    Precautions General Electrosurgery. The Escort M8 Vital Signs Monitor is suitable for use in the presence of electrosurgical (ESU) equipment. The following precautions should be taken: • To minimize the risk of patient burns, only use ESU equipment that monitors the impedance of the ESU return wires.
  • Page 12 See the Technical Data chapter for disclosure of the pacemaker pulse rejection capability of this instrument. Arrhythmia Patients. The Escort M8 Vital Signs Monitor is designed to operate in the presence of cardiac arrhythmias. However, the heart rate meter may be adversely affected in some cases.
  • Page 13 Precautions NIBP (Continued) Arrhythmic and/or erratic heart beats (or severe motion artifact, such as tremors or convulsions) can result in inaccurate readings and/or prolonged measurements. If questionable readings are obtained, re-check patient’s vital signs by alternate means before administering medication. To prevent possible nerve damage to the limb, apply the NIBP cuff as recommended by current American Heart Association (AHA) guidelines for blood pressure monitoring.
  • Page 14 Precautions Temperature (SureTemp ® P L U S To obtain accurate and reliable temperature measurements and to ensure patient safety, it is important that this manual be read thoroughly prior to use of the module, probe and accessories. Use single-use Welch Allyn disposable probe covers to limit patient cross-contamination. The use of any other probe cover may produce temperature measurement errors or may result in inaccurate readings.
  • Page 15 Failure to do this can lead to an interruption of monitoring. The battery may need to be recharged if the Escort M8 Vital Signs Monitor has been powered off for an extended period of time. See the Battery Operation section of this manual for details regarding charging the battery.

  • Page 16: Patents And Licensing

    Patents and Licensing This device is covered under one or more of the following U.S. Patents: 5,482,036; 5,490,505; 5,632,272; 5,685,299; 5,758,644; 5,769,785; 6,002,952; 6,036,642; 6,067,462; 6,206,830; 6,157,850; 6,277,081 and international equivalents. U.S.A. and international patents pending. Possession or purchase of this device does not convey any express or implied license to use the device with replacement parts which would, alone, or in combination with this device, fall within the scope of one or more of the patents relating to this device.

  • Page 17: Overview

    Overview Overview This chapter provides a basic overview of the Escort M8 Vital Signs Monitor user interface and a list of the Escort M8 Vital Signs Monitor’s main features. Escort M8 Vital Signs Monitor Diagrams Figure 1-1. Escort M8 Vital Signs Monitor - Front View...
  • Page 18 Overview Figure 1-2. Escort M8 Vital Signs Monitor - Left Rear View Figure 1-3. Escort M8 Vital Signs Monitor - Right Rear View 3800 Vital Signs Monitor Service Manual Revised October 2004...
  • Page 19 Overview Figure 1-4. Escort M8 Vital Signs Monitor - Left Side View Revised October 2004 3800 Vital Signs Monitor Service Manual...

  • Page 20: Escort M8 Vital Signs Monitor User Interface

    Overview Escort M8 Vital Signs Monitor User Interface The Escort M8 Vital Signs Monitor user interface makes use of a set of keys and rotary knob on the front panel. The front panel keypad looks like the following diagram: Figure 1-5. Front Panel Keypad The Rotary Knob is used to select and rotate through the various monitoring features of this monitor.

  • Page 21: Main Features Of The Escort M8 Vital Signs Monitor

    The chapters in the Service Manual explain the details of all the main features of the Escort M8 Vital Signs Monitor. These cover the basic monitoring tasks that may be required when using the Escort M8 Vital Signs Monitor.
  • Page 22 Overview • Repair. • Accessories. • Spare Parts. • Cleaning. • Maintenance and Storage. • Disposal. • Technical Data. 3800 Vital Signs Monitor Service Manual Revised October 2004...

  • Page 23: Installation And Checkout

    NOTE - The monitor should remain connected to the hospital grade AC outlet even when the Escort M8 Vital Signs Monitor is not in use as this allows the battery to be recharged. The battery charge indicator will remain illuminated under these conditions.

  • Page 24: Operational Checkout Procedure

    Figure 2-1. Escort M8 Vital Signs Monitor Normal Screen 2.2.1 Operational Checkout Procedure Before connecting the Escort M8 Vital Signs Monitor to a patient connect the NIBP Hose/Cuff and SpO2 sensor to the monitor then perform the following procedure: Power up the unit and confirm that the startup tones sound before the Normal Screen appears (approximately 10 to 15 seconds after initial power-up).
  • Page 25 Installation and Checkout Reconnect the power connector to the back of the monitor. Revised October 2004 3800 Vital Signs Monitor Service Manual...

  • Page 27: Configuring The Monitor

    This chapter explains how to configure the monitor. System Setup The Escort M8 Vital Signs Monitor Setup Menu System provides access to operational and parameter settings. The Operational Menus are configured for easy access through the use of a keypad on the monitor front panel. The Parameter Menus are configured, also for easy access through the use of a Parameter Icon system and a Rotary Knob.
  • Page 28 Figure 3-4. Enter Password Menu If Alarms or System is selected in the Setup Biomedical menu, the Escort M8 Vital Signs Monitor will first bring up the Enter Password Menu. To continue on the the Setup Alarms or Setup System Menu, the correct password must be entered.
  • Page 29 Configuring the Monitor Figure 3-5. Setup Alarm System Menu Setup Alarm System Menu. To access the Alarm System Setup Menu, rotate the Rotary Knob until the Alarms option is highlighted then press the knob. This menu provides the operator with options to select the Alarm Silence Time, select the Alarm Suspend Time, turn Alarm Validation On or Off, turn HR Alarms Off Message On or Off, turn the SpO2 Alarms Off Message On or Off and set the Second Speaker Time.
  • Page 30 This menu provides service related information and is for the use of InvivoMDE qualified service personnel only. Setting Name Default Value Possible Values Simulated Data Mode On, Off Network Type Invivo Invivo, ZNET 3800 Vital Signs Monitor Service Manual Revised October 2004...
  • Page 31 ® P L U S The Simulated Data Mode setting can be used to place the Escort M8 Vital Signs Monitor in a “demo” mode where simulated patient waveforms are displayed. This setting should always remain Off during patient monitoring.

  • Page 33: Battery Operation

    Escort M8 Vital Signs Monitor home screen. The toggle switch on the back of the Escort M8 Vital Signs Monitor allows you to turn the Escort M8 Vital Signs Monitor on and off.

  • Page 35: Functional Verification

    Functional Verification Functional Verification This chapter discusses the recommended functional verification checks for the 3800 Vital Signs Monitor and its accessories. The following is a list of test equipment that you will need to perform the functional verification: Test Equipment Description Patient ECG/Respiration Simulator Bio-Tek Instruments LH-3 (or equivalent) Patient SpO2 Simulator...
  • Page 36 Functional Verification Monitor Function Procedure SpO2 • Connect to Patient Simulator (select appropriate sensor type). • Verify proper SpO2 value at 84% and 96% (±2 O2%). • Verify proper PR value at 30 and 240 bpm (±5 %). • Connect Patient Simulator take...

  • Page 37: Troubleshooting

    Troubleshooting Troubleshooting This chapter is meant to help you solve problems that you may encounter while operating the 3800 Vital Signs Monitor. The Operations Manual (InvivoMDE P/N 9565) also contains troubleshooting tips in each of the physiological monitoring chapters. These should be consulted for general monitoring problems that seem patient-related.

  • Page 38: Monitor Only Displays The Power-Up ("Invivo)Mde M8") Banner

    Otherwise, the display may need to be replaced. See the replacing the display section of the Repair chapter for details. 6.1.3 Monitor Only Displays the Power-Up (“Invivo)MDE M8”) Banner Description: Upon power-up, the power-up banner is displayed and a single beep tone is generated.

  • Page 39: Power-Up Banner Is Followed By A Blank Screen

    6.1.4 Power-Up Banner Is Followed by A Blank Screen Desscription: Upon power-up, the “Invivo)MDE M8” banner is displayed and a double beep tone is generated. At this point, the banner is replaced by a blank screen or by a screen with garbled blocks of symbols.

  • Page 40: Monitor Displays Constant Ecg Pacer Annotations

    Troubleshooting Troubleshooting Action(s): Via the Setup Waveforms menu, ensure that the desired waveform is selected for display. NOTE - With a 3-wire ECG cable, only ECG Lead II is available. Respiration is available across Lead II on both the 3- and 5-wire cables. Replace the electrodes (see M8 Operations Manual for instructions).

  • Page 41: Non-Physiological Monitoring Malfunctions

    Troubleshooting Probable Cause(s): Overpressure test failed at startup. Internal communication problem between the master processor and NBP hardware controller. Cuff pressure transducer problem. Pressure not releasing from cuff for more than 2 1/2 minutes. Pump not responding. Internal pneumatic tubing has a leak or has become disconnected. Internal software logic error.

  • Page 42: Missing Rows Or Sections Of Display Pixels

    Troubleshooting 6.3.2 Missing Rows or Sections of Display Pixels Description: The display is missing entire rows or sections of pixels. Menus are still displayed in response to key presses. Possible Cause(s): The display board is faulty. Troubleshooting Action(s): Power-cycle the monitor. Ifthe problem persists, then the display board needs to be replaced.
  • Page 43 Troubleshooting Maintain good cable management. Try not to route cables over electrical equipment. Revised October 2004 3800 Vital Signs Monitor Service Manual...

  • Page 45: Repair

    Repair Repair This chapter describes the procedures for disassembling and re-assembling the 3800 Vital Signs Monitor. WARNING - Consult the safety instructions at the front of this manual regarding the proper servicing of this monitor. WARNING - SHOCK HAZARD. The 3800 Vital Signs Monitor’s display board utilizes high voltages.

  • Page 46: External Chassis Components

    Repair External Chassis Components Figure 7-1. External Chassis Components 3800 Vital Signs Monitor Service Manual Revised October 2004...

  • Page 47: Functional Block Diagram

    Repair Functional Block Diagram The following is a functional block diagram of the 3800 Vital Signs Monitor: Figure 7-2. M8 Overall Functional Block Diagram Revised October 2004 3800 Vital Signs Monitor Service Manual...

  • Page 48: Cable Interconnection/Wiring Diagram

    Repair Cable Interconnection/Wiring Diagram Figure 7-3. M8 Cable Interconnection/Wiring Diagram 3800 Vital Signs Monitor Service Manual Revised October 2004...

  • Page 49: Major Assembly Views

    Repair Major Assembly Views Figure 7-4. Monitor Major Assembly View Revised October 2004 3800 Vital Signs Monitor Service Manual...
  • Page 50 Repair Figure 7-5. Battery Cover Major Assembly View 3800 Vital Signs Monitor Service Manual Revised October 2004...

  • Page 51: Assembly/Subassembly Views

    Repair 7.4.1 Assembly/Subassembly Views Figure 7-6. Battery Cover Assembly View Revised October 2004 3800 Vital Signs Monitor Service Manual...
  • Page 52 Repair Figure 7-7. Monitor Front Bezel Assembly View A (Rear) 3800 Vital Signs Monitor Service Manual Revised October 2004...
  • Page 53 Repair Figure 7-8. Monitor Front Bezel Assembly View B (Front) Revised October 2004 3800 Vital Signs Monitor Service Manual...
  • Page 54 Repair Figure 7-9. Monitor Rear Case Assembly View 7-10 3800 Vital Signs Monitor Service Manual Revised October 2004...
  • Page 55 Repair Figure 7-10. Input Panel Assembly View 7-11 Revised October 2004 3800 Vital Signs Monitor Service Manual...
  • Page 56 Repair Figure 7-11. Recorder Subassembly View 7-12 3800 Vital Signs Monitor Service Manual Revised October 2004...
  • Page 57 Repair Figure 7-12. Input Panel Subassembly View 7-13 Revised October 2004 3800 Vital Signs Monitor Service Manual...

  • Page 58: Monitor Disassembly Procedure

    Repair Monitor Disassembly Procedure Disconnect the power cord from the monitor. Place the monitor face down on a padded surface. Remove the battery cover assembly (2 screws). Remove the battery (it lifts out). Detach the monitor rear case assembly from the monitor front bezel assembly (7 screws).

  • Page 59: Replacing The Spo2 Masimo Board

    Repair Remove 4 screws from the recorder housing and remove the recorder from the input panel assembly for replacement. Replacing the SPO2 Masimo Board After monitor disassembly is performed, the SPO2 Masimo board can be removed by removing the one screw securing the assembly to the rear chassis and then sliding the assembly out of the rear chassis.

  • Page 61: Accessories

    M8 Vital Signs Monitor. WARNING - Use only recommended accessories with the Escort M8 Vital Signs Monitor. Using unrecommended accessories may result in damage to the monitoring equipment or in harm to the patient. Using unrecommended accessories may also void the warranty coverage.
  • Page 62 Accessories Pulse Oximetry Accessories Part Number Description ® Masimo SET SpO2 Sensors ® Masimo Signal Extraction Technology (SET ) substantially eliminates false alarms without sacrificing true alarms. This technology is accurate during patient movement and is designed for accurate monitoring during low perfusion, intense ambient light and electrocautery interference.
  • Page 63 AIR HOSE. For use with the Escort M8 Monitor. 9010S Single Lumen NIBP Air Hose. Quick disconnect fitting. REUSABLE Single-Lumen. Infant to adult thigh. For use with the Escort M8 Monitor. 9080S Adult BP Cuff. Large Arm. Circumference range 33 to 47 cm. Quick Disconnect Fitting.
  • Page 64 Accessories Temperature Accessories Part Number Description SureTemp Temperature Accessories ® P L U S 93001 SureTemp Probe and Probe Well Kit, 9 foot Oral. Replacement Oral probe ® P L U S and well, blue kit (Welch/Allyn Part Number 02893-100) 93002 SureTemp Oral Probe Well (Blue).
  • Page 65 0 to 28 degrees (avoiding glare on the monitor and permitting easy access to controls). Variable height adjustment permits optimal vertical positioning of the monitor. Includes all mounting hardware but requires P/N 9003P Escort M8 Mounting Bracket to be purchased separately.

  • Page 67: Spare Parts

    Spare Parts Spare Parts ZOE Medical Part Number Description Major Assemblies 451-5011 Monitor Front Bezel Assembly 451-5012 Monitor Rear Case Assembly 451-5008 Input Panel Assembly Assemblies/Subassemblies 325-2404 Membrane Keypad/Switch Panel 325-0004 Optical Encoder (w/Rotary Knob) 279-3003 8.4” LCD Display 725-1000 Inverter (DC-AC) Board 210-5100-T Main Board...
  • Page 68 Spare Parts ZOE Medical Part Number Description 420-1508 Inverter Control Cable 3800 Vital Signs Monitor Service Manual Revised October 2004...

  • Page 69: Cleaning

    Cleaning Cleaning The following table provides instructions about how to clean the Escort M8 Vital Signs Monitor and its accessories. Accessories should be cleaned after each use. Before cleaning please refer to the cautions listed below the table. Part Recommended cleaning method...
  • Page 70 Cleaning Part Recommended cleaning method SureTemp Wipe the probe and cord regularly with a cloth dampened with ® P L U S Temperature Probe warm water and a mild detergent solution. As needed, clean the probe and cord with a 70% isopropyl alcohol solution, a 10% chlorine bleach solution or a nonstaining disinfectant.
  • Page 71 Take particular care when cleaning the NIBP cuff, NIBP hose, and NIBP connector on the Escort M8 Vital Signs Monitor to prevent fluid from entering the connectors. Fluid in the NIBP airway may affect blood pressure determination accuracy and damage the monitor.

  • Page 73: Maintenance And Storage

    Signs Monitor and its accessories. These procedures should be carried out every 12 months and can be performed by qualified service personnel. Alternatively, the unit may be returned to the factory. Before returning a Escort M8 Vital Signs Monitor for maintenance checks or repairs, please contact InvivoMDE Technical Service to get a return authorization number.
  • Page 74 Maintenance and Storage Monitor Function Procedure ECG/Respiration • Connect ECG leads to Patient Simulator. • Verify proper heart rate at 30 and 300 bpm (±2 bpm or ±1 • Verify proper respiration rate at 15 and 120 bpm (±3 bpm). SpO2 •...

  • Page 75: Battery Replacement

    Verify strip chart recording of waveform data followed by a parameter snapshot. In order to prevent the Escort M8 Vital Signs Monitor’s risk current from increasing beyond safe limits, the ECG cable should be cleaned according to the instruction in the Cleaning section of this manual.

  • Page 76: Storage

    Maintenance and Storage Remove the battery by pulling on the black pull tab located on the right of the battery. Insert new battery ensuring that the black pull tab is accessible for future removal. Carefully reinstall back cover and screws. (If SureTemp is installed) Reconnect the SureTemp connector to the...
  • Page 77 Maintenance and Storage • Set Dial 1 to 49. • Set Dial 2 to 48. • Set Dial 3 to 46. • Select OK. 11-5 Revised October 2004 3800 Vital Signs Monitor Service Manual...

  • Page 79: Disposal

    SpO2 sensors should be carried out according to the manufacturer’s recommendations. At the end of its useful life, the Escort M8 Vital Signs Monitor should be properly disposed of as well. In particular, the Escort M8 Vital Signs Monitor contains a lithium coin battery, an lithium- ion battery pack, and electronic circuit boards which should not be incinerated or exposed to extreme heat.

  • Page 81: Technical Data

    Technical Data Technical Data General Dimensions 11.6”W x 7.5”H x 5”D (290mm x 188mm x 126mm). Weight 6.25 lb (2.8 Kg). Finish IPX0 ABS. Power Requirements 100 – 240 VAC, 0.7 A max. Mains Frequency Range 50 – 60 Hz. Power Consumption 11 watts nominal, 25 watts maximum (when charging battery).
  • Page 82 Technical Data Escort M8 Vital Signs Monitor Device Markings European CE Mark according to Council Directive 93/42/ EEC. ETL Listed. Conforms to UL Standard 60601-1. Certified to CAN/CSA Standard CSA C22.2 No. 601.1-M90. 2003191 For indoor-use only. Attention! Consult accompanying documents before using this device.
  • Page 83 Technical Data Escort M8 Vital Signs Monitor Device Markings (Continued) Temperature Probe. Electrocardiograph. Non-invasive Blood Pressure. Pulse Oximeter. Percent Oxygen Pulse Saturation. 100-240 V~ 0.7A Max Input power rating (100-240 Volts ac, 0.7 amperes max). Battery Type Lithium-Ion Rechargeable. Discharging Time 4 hours (minimum), 5 hours (typical).
  • Page 84 Technical Data Accessories 3-lead cable, 5-lead cable. Refer to Section 15. Input Connector AAMI Standard ECG Input Connector. Displayable Leads 3-lead cable: II. 5-lead cable: I, II, III, V. HR Resolution 1 bpm (beats per minute). Measurement Range 15 to 300 bpm. Measurement Accuracy ±2 bpm or ±1%, whichever is greater.
  • Page 85 Technical Data Respiration Method Impedance Pneumography. Input Connector Same as ECG. Sweep Rate Fixed at 6.25 mm/second. Sensing Lead RR Resolution 1 bpm (breaths per minute). Measurement Range 2 to 120 bpm. Measurement Accuracy ±3 bpm. Measurement Sensitivity 0.25 ohms (minimum). Report Interval 1 second.
  • Page 86 Technical Data SureTemp Plus Temperature Compatibility SureTemp Plus Series Probes Display Units °F and °C (user-selectable). Measurement Resolution 0.1 °F (0.1 °C). Measurement Range 96.0 to 105.0 °F (35.6 to 40.6 °C). Measurement Accuracy ±0.2 °F (±0.1 °C) plus probe tolerance. Non Invasive Blood Pressure Method Oscillometric.

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