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Fukuda LX-7230N Operation Manual

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Summary of Contents for Fukuda LX-7230N

  • Page 3: Safety Precautions

    Before using this product, read this operation manual thoroughly for correct handling and operation. In this manual, the operation procedure of LX-7230N/LX-7230N(G) is explained using the illustration and screen of the LX-7230N as examples. Safety Precautions  Read the “Safety Precautions” thoroughly before use to ensure correct and safe use of the product.

  • Page 4: Intended Use Of This Equipment

    Intended Use of this Equipment This equipment is designed for the following <Intended Use>. <Intended Use> This equipment is intended for patient monitoring in surgery room, ICU, ward, emergency room in the medical facility by measuring ECG, Respiration and SpO and transmitting the measured data by wireless network to the central monitor continuously.

  • Page 5: Graphic Symbols

    Graphic Symbols The following symbols are used for this equipment. Symbols indicated on the main unit Symbol Description Warning (indicated in yellow) Follow operating instructions (Warning); (indicated in blue) Indicates that the failure to follow operating instructions could place the patient or operator at risk. Type CF Applied Part with Defibrillation-Proof Indicates that the degree of protection against electric shock is Type CF Applied Part with defibrillation-proof.
  • Page 6 Symbols indicated on the LCD screen Symbol Description Heart Rate Synchronization Mark This mark flashes synchronizing to the heartbeat. Battery Mark Indicates the remaining battery level.

  • Page 7: Precautions For Safe Operation Of Medical Electrical Equipment

    Precautions for Safe Operation of Medical Electrical Equipment Cautions described here are regarding the general instructions for safety use to the patient and users. As for cautions about the LX-7230N/LX-7230N(G), please refer to the following pages. CAUTION Users should have a thorough knowledge of the operation before using this equipment.

  • Page 8: Non-Explosion Proof

    User should not attempt service. Label the unit “OUT OF ORDER” and contact Fukuda Denshi representative. Do not remodel the equipment. Maintenance Check Make sure to periodically check the equipment, and accessories.

  • Page 9: Defibrillation Safety

    Defibrillation Safety WARNING  Use only the lead cable specified by Fukuda Denshi when defibrillating. If used by unspecified lead cable, the equipment may be damaged, resulting in a safety hazard.  When using the defibrillator, keep away from the electrodes or medicament applied to the patient chest.

  • Page 10: Electrosurgery Safety

    Electrosurgery Safety WARNING The monitoring system contains protection against interference generated by electrosurgical instruments. However, depending on the operating conditions, surgery site with respect to the location of ECG electrodes, ground plate attachment condition, or the type of instrument used, it may cause burn injury at the electrode site or noise on the ECG.

  • Page 11: Precautions About The Pacemaker

    [October 14, 1998 – FDA] Precautions about the LX-7230N/LX-7230N(G) WARNING  Do not connect cables not authorized by Fukuda Denshi to any I/O connector. If done so by mistake, the LX-7230N/LX-7230N(G) cannot deliver its maximum performance and may be damaged, resulting in a safety hazard.

  • Page 12: Precautions About Waterproof

    For details about the regular replacement, contact your local Fukuda Denshi service representative.  The lid may be damaged from high impact. If the LX-7230N/LX- 7230N(G) is dropped or is subjected to a high impact, make sure that the lid is not damaged.

  • Page 13: Precautions About Spo

     During SpO monitoring, always use the probe (sensor) specified by Fukuda Denshi. Also, check the probe before usage to make sure that it is the specified probe. If unspecified probe is used, not only that the equipment cannot deliver its maximum performance, the equipment may be damaged and safety cannot be ensured.
  • Page 14 WARNING  Direct sunlight to the sensor area can cause measurement error. Place a black or dark cloth over the sensor.  The pulse wave is normalized for SpO measurement, and does not indicate perfused blood volume. Check proper probe attachment by observing the pulse wave.

  • Page 15: Precautions About Output Signal

    WARNING Do not use the output signal of the monitor that receives radio wave signal from the LX-7230N/LX-7230N(G) as the trigger signal for IABP, MRI echocardiographic, or defibrillator for the following reasons. It may lead to a delay of operating timing due to the delay time of ...

  • Page 16: Precautions About Disposing Of Equipment, Accessories

     The LX-7230N/LX-7230N(G) transmitter must not be co-located or operated in conjunction with any other antenna or transmitter.  For the receiving monitor of the LX-7230N transmitter, make sure to use the Fukuda Denshi products with the receiving range of 608 MHz-614 MHz.
  • Page 17  use. When interference or breakdown occurs in telemetry communication, the  user is required to inform the Coordinators of the problems. The Coordinators are to deal with the problem properly and/or contact their nearest Fukuda Denshi representative for service.

  • Page 18: Electromagnetic Compatibility

    Electromagnetic Compatibility The performance of this equipment under electromagnetic environment complies with IEC 60601-1-2 (2007). Precautions for Safe Operation under Electromagnetic Influence CAUTION If any sorts of electromagnetic wave, magnetic field, or static electricity exist around the equipment, noise interference or malfunction of the equipment may occur.

  • Page 19: Emc Guidance

    ●Compliance to the Electromagnetic Emissions The LX-7230N/LX-7230N(G) is intended for use in the electromagnetic environment specified below. The customer or the user of the LX-7230N/LX- 7230N(G) should assure that it is used in such an environment. Electromagnetic Environment –...
  • Page 20 ●Compliance to the Electromagnetic Immunity (1) The LX-7230N/LX-7230N(G) is intended for use in the electromagnetic environment specified below. The customer or the user of the LX-7230N/LX- 7230N(G) should assure that it is used in such an environment. IEC 60601-1-2 Compliance...
  • Page 21 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 LX-7230N/LX-7230N(G) is used exceeds the applicable RF compliance level above, the LX-7230N/LX-7230N(G) should be observed to verify normal operation.
  • Page 22 ●Recommended Separation Distances between Portable and Mobile RF Communications Equipment and the LX-7230N/LX- 7230N(G) The LX-7230N/LX-7230N(G) is intended for use in an environment in which radiated RF disturbances are controlled. The customer or the user of the LX- 7230N/LX-7230N(G) can help prevent electromagnetic interference by...

  • Page 23: Contact

    Contact If you need more information, please contact the following. Fukuda Denshi Co., Ltd., Head Office 3-39-4 Hongo, Bunkyo-ku, Tokyo, Japan Tel: +81-3-5684-1455 Fax: +81-3-3814-1222 E-mail: info@fukuda.co.jp Home Page: http://www.fukuda.com Sales Representative Write the name, address, phone, fax number of your local sales representative.

  • Page 24: Table Of Contents

    Defibrillation Safety ................ vii Precautions about Magnetic Resonance Imaging (MRI) ....vii Electrosurgery Safety ..............viii Precautions about the Pacemaker ..........ix Precautions about the LX-7230N/LX-7230N(G) ......ix Precautions about Waterproof ............x Precautions about ECG ..............x Precautions about SpO ..............
  • Page 25 11. Troubleshooting ................65 ■ List of Displayed Messages ............65 ■ Troubleshooting ................. 67 ■ In Case of Dropping the LX-7230N/LX-7230N(G) into Water ..69 12. Cleaning and Disinfection ..............71 ■ Cleaning and Disinfecting the LX-7230N/LX-7230N(G) ..... 71 ■...
  • Page 26 xxiv...

  • Page 27: General Description

    ▽) front panel. (In case of using a 3-electrode lead cable or a 5-electrode chest lead cable) The LX-7230N/LX-7230N(G) can also function as a transmitter to measure only the ECG/Respiration without SpO or to measure only the SpO without ECG/Respiration.
  • Page 28 1. General Description...

  • Page 29: Names Of Parts And Their Functions

    2. Names of Parts and Their Functions Neck Strap Hole Attaches the neck strap. ECG/RESP Input Connector (Type CF Applied Part) Connects the ECG lead cable to measure ECG and respiration waveform. Refer to “Safety Precautions” in this manual’s preface. Input Connector (Type CF Applied Part) Refer to “Safety Connects the SpO...
  • Page 30 2. Names of Parts and Their Functions Battery Compartment Lid This is the lid for the battery compartment. Make sure to close it when the transmitter is operated. NOTE When using this equipment, use the supplied neck strap. Or use it by putting it in the pocket of the patient’s clothing.

  • Page 31: Preparation

    3. Preparation 1) Installing the Batteries The LX-7230N/LX-7230N(G) functions with two "AA" size (“LR06” size) alkaline batteries. With new batteries, the LX-7230N/LX-7230N(G) is capable of the following operation. LX-7230N: approximately 2.5 days LX-7230N(G): approximately 1.5 days However, continuous operating time may be shorter than the above mentioned time depending on the application of the SpO probe (sensor).
  • Page 32 3. Preparation CAUTION  Use only alkaline battery (AA). Other battery will shorten the continuous operating time.  Once the power switch is on the OFF position, then open the battery compartment lid.  Do not replace the batteries with wet hands. ...
  • Page 33  Make sure that any foreign particles, such as hairs, are not held on the battery compartment lid and dust is not adhered to the edge of the lid to prevent water entering into the battery compartment area.  Make sure to only turn ON the LX-7230N/LX-7230N(G) after closing the battery compartment lid.

  • Page 34: Operating Power Switch

    3. Preparation 2) Operating Power Switch Turning the power switch to “ON” Rotate the power switch to the left until it clicks. LCD screen turns ON and measurement starts. Regarding the LCD screen, refer to “7. Measurement”. The screen automatically turns itself OFF after 180 seconds. After the power is turned ON, make sure to check the remaining battery level on the LCD screen.

  • Page 35: Ecg Monitoring

    When using the transmitter with only the ECG lead cable, SpO measurements on the receiving monitor shall be turned off to prevent an erroneous alarm. ■ Connecting the ECG Lead Cable and Electrodes The optional ECG lead cables for LX-7230N/LX-7230N(G) are as follows. ECG Lead Cables Item No. Applicable Lead...
  • Page 36 4. ECG Monitoring The relations between the attached electrode positions and lead method are as follows. Attach the electrodes to monitor proper waveform. For 3-electrode lead cable For AHA color code electrode position Black White (LA) (RA) (LL) Standard Limb leads Standard Limb leads can be selected from lead I, lead II, or lead III under the setting of the equipment.
  • Page 37 4. ECG Monitoring For 5-electrode (Chest) lead cable For AHA color code code electrode position White Black (RA) (LA) Brown Green (LL) (RL) Standard Limb lead and Chest lead One limb lead and one chest lead (Brown) measurements are available. Standard Limb leads can be selected from lead I, lead II, or lead III under the setting of the equipment.

  • Page 38: Attaching The Electrodes

    4. ECG Monitoring ■ Attaching the Electrodes CAUTION  Always use the same type of electrodes. If different types of electrodes are used at the same time, the difference between the polarization potential from each electrode may interfere with monitoring. ...

  • Page 39: Connecting The Ecg Lead Cable To The Lx-7230N/Lx-7230N(G)

    4. ECG Monitoring ■ Connecting the ECG Lead Cable to the LX-7230N/LX-7230N(G) Insert the ECG lead cable firmly into the ECG/RESP input connector matching the transmitter’s connector guide and the direction of the notched part on the connector. ECG Lead cable...
  • Page 40  Time constant of this equipment is shorter than Fukuda Denshi monitors (direct ECG connection). Therefore, there is a difference in the ST measurement value between them. Pay attention to the difference when monitoring a patient from a transmitter or a monitor.

  • Page 41: Respiration Monitoring

    If such event occurs, please disconnect the cardiac monitoring and diagnostic equipment, or follow the procedures described in the operation manual of the pacemaker. (For more details, contact FUKUDA DENSHI personnel, your institution’s professionals, or your pacemaker distributors.) Reference “Minute Ventilation Rate-Adaptive Pacemakers”...
  • Page 42 5. Respiration Monitoring...

  • Page 43: Spo Monitoring

    6. SpO Monitoring When the transmitter is used without the ECG lead cable, it will measure only WARNING When the SpO probe (sensor) is in a connector-off condition, the SpO alarm will not be generated on the receiving monitor. Make sure that the probe (sensor) is securely connected.

  • Page 44: Spo 2 Monitoring

    < SpO Sensors for LX-7230N/LX-7230N(G) > The optional SpO sensors available for LX-7230N/LX-7230N(G) are as follows. The following table shows applicable patient and proper site for each SpO sensor. Select the proper one depending on the purpose and intended use.
  • Page 45 6. SpO Monitoring CAUTION  SpO sensors are not waterproof. Keep away from liquids.  Do not pick up the equipment pulling the sensor or cable part. It may get disconnected from the equipment and the equipment may be dropped. ...
  • Page 46 4. Wrap any excess tape loosely around the toe. Use additional tape provided to secure the cable across the bottom of the foot, loosely enough to maintain good circulation (Figure (4)). 5. Connect the MAX-I into the LX-7230N/LX-7230N(G). Verify proper operation as described in the operation manual. NOTE If the sensor does not track the pulse reliably, it may be incorrectly positioned –...
  • Page 47 If there is any damage, do not use the product. Do not immerse in water or cleaning solutions. Do not resterilize.  For additional warnings, cautions or contraindications when using sensors with the LX-7230N/LX-7230N(G), refer to each Nellcor SpO sensor instruction manual.
  • Page 48 3. Fold the cable end over the top of the finger/toe so that the windows are directly opposite to each other. Wrap the adhesive securely around both sides of the digit (Figure (3)). 4. Connect the MAX-P/MAX-A/MAX-AL into the LX-7230N/LX-7230N(G). Verify proper operation as described in the operation manual. NOTE If the sensor does not track the pulse reliably, it may be incorrectly positioned –...
  • Page 49 If there is any damage, do not use the product. Do not immerse in water or cleaning solutions. Do not resterilize.  For additional warnings, cautions or contraindications when using sensors with the LX-7230N/LX-7230N(G), refer to each Nellcor SpO sensor instruction manual.
  • Page 50 The sensor should be oriented in such a way that the cable is positioned along the top of the hand (Figure (4)). 5. Connect the DS-100A into the LX-7230N/LX-7230N(G). Verify proper operation as described in the operation manual. NOTE If the sensor does not track the pulse reliably, it may be incorrectly positioned –...
  • Page 51 If there is any damage, do not use the product. Do not immerse in water or cleaning solutions. Do not resterilize.  For additional warnings, cautions or contraindications when using sensors with the LX-7230N/LX-7230N(G), refer to each Nellcor SpO sensor instruction manual.
  • Page 52 As with all medical equipment, carefully route cables to reduce the possibility of patient entanglement or strangulation. Connect the MAX-R into the LX-7230N/LX-7230N(G). Verify proper operation as described in the operation manual. NOTE If the sensor does not track the pulse reliably, it may be incorrectly positioned –...
  • Page 53 If there is any damage, do not use the product. Do not immerse in water or cleaning solutions. Do not resterilize.  For additional warnings, cautions or contraindications when using sensors with the LX-7230N/LX-7230N(G), refer to each Nellcor SpO sensor instruction manual.
  • Page 54 Wrap the MAX-N firmly, but not too tightly around the foot or finger. Windows must oppose each other. 4. Connect the MAX-N into the LX-7230N/LX-7230N(G). Verify proper operation as described in the operation manual.
  • Page 55 6. SpO Monitoring NOTE If the sensor does not track the pulse reliably, it may be incorrectly positioned - or the sensor site may be excessively wrinkled, or too deeply pigmented or otherwise deeply colored (for example, as a result of externally applied coloring such as dye or pigmented cream) to permit appropriate light transmission.
  • Page 56 If there is any damage, do not use the product. Do not immerse in water or cleaning solutions. Do not resterilize.  For additional warnings, cautions or contraindications when using sensors with the LX-7230N/LX-7230N(G), refer to each Nellcor SpO sensor instruction manual.
  • Page 57 6. SpO Monitoring ■ Applying the OXIMAX MAX-FAST Sensor ® This is an adhesive sensor, model MAX-FAST, for continuous noninvasive arterial oxygen saturation and pulse rate monitoring and can be reused on the same patient as long as the adhesive tape attaches without slippage. Clean the sensor site with an alcohol wipe to remove skin oils.
  • Page 58 (Figure (4)). ® Connect the OXIMAX MAX-FAST oximetry sensor into the LX-7230N/ LX-7230N(G). Verify proper operation as described in the operation manual. NOTE If the sensor does not track the pulse reliably, it may be incorrectly...
  • Page 59 If there is any damage, do not use the product. Do not immerse in water or cleaning solutions. Do not resterilize.  For additional warnings, cautions or contraindications when using sensors with the LX-7230N/LX-7230N(G), refer to each Nellcor SpO sensor and headband instruction manual.
  • Page 60 6. SpO Monitoring ■ Connecting the Nellcor Sensor to the LX-7230N/LX- ® 7230N(G) Insert the SpO sensor into the SpO input connector on the LX- 7230N/LX-7230N(G). Sensor Attach the sensor lock as shown in the following illustration to prevent the sensor to be disconnected.

  • Page 61: Measurement

    7. Measurement Turn ON the power and the measurement starts. *The screen examples of the LX-7230N are used for explanation. ■ Starting Screen When the power is turned ON, the channel number configured on the LX-7230N/LX-7230N(G) is displayed at the top of the LCD.
  • Page 62 7. Measurement ●Display Switch The screen (e.g. ECG) can be switched to other selected screens (respiration, pulse, or SpO , etc.) The LCD display will automatically turn itself OFF after 180 seconds if no operation is done. To restart the LCD display, refer to “8. Operation ■...

  • Page 63: Battery Level Check

    7. Measurement ■ Battery Level Check Check the battery level on the waveform display screen. Battery Remaining Battery Level Symbol Full Getting low but still available Nearly empty Replace the battery. A message that prompts the battery check appears on the screen of the receiving monitor.

  • Page 64: Waveform Display

    7. Measurement ■ Waveform Display ●ECG Display Screen (1) ECG1 waveform, heart rate, pacemaker marker, remaining battery level, and electrode check message are displayed. The LCD display will automatically turn itself OFF after 180 seconds if no operation is done. To restart the LCD display, refer to “8. Operation ■...
  • Page 65 CAUTION  The displayed ECG waveform size setting does not interact with the one displayed on the receiving monitor, as the LX-7230N/LX-7230N(G) cannot transmit the setting information of the waveform size to the receiving monitor. If the ECG waveform size displayed on the receiving monitor is changed, follow the instruction in the operation manual of the receiving monitor.
  • Page 66 7. Measurement Indicates the remaining battery level. For details of the battery level, refer to “3. Preparation”. “ELECTRODE?” message appears when the ECG electrode is detached.
  • Page 67 7. Measurement ●ECG Display Screen (2) ECG2 waveform, heart rate, pacemaker marker, remaining battery level, and electrode check message are displayed. NOTE If a 3-electrode lead cable is used, this screen will not appear. The LCD display will automatically turn itself OFF after 180 seconds if no operation is done.
  • Page 68 CAUTION  The displayed ECG waveform size setting does not interact with the one displayed on the receiving monitor, as the LX-7230N/LX-7230N(G) cannot transmit the setting information of the waveform size to the receiving monitor. If the ECG waveform size displayed on the receiving monitor is changed, follow the instruction in the operation manual of the receiving monitor.
  • Page 69 7. Measurement Indicates the remaining battery level. For details of the battery level, refer to “3. Preparation”. Displays the electrode check “ELECTRODE?” message appears when the ECG electrode is detached.
  • Page 70 7. Measurement ●Respiration Display Screen Respiration waveform, respiration rate, remaining battery level, and electrode check message are displayed. The LCD display will automatically turn itself OFF after 180 seconds if no operation is done. To restart the LCD display, refer to “8. Operation ■...
  • Page 71 CAUTION  The displayed respiration waveform size setting does not interact with the one displayed on the receiving monitor, as the LX-7230N/LX- 7230N(G) cannot transmit the setting information of the waveform size to the receiving monitor. If the respiration waveform size of the receiving monitor is changed, follow the instruction in the operation manual of the receiving monitor.
  • Page 72 7. Measurement Display Screen ●SpO Pulse wave, pulse rate, SpO measurement value, remaining battery level, and probe condition are displayed. The LCD display will automatically turn itself OFF after 180 seconds if no operation is done. To restart the LCD display, refer to “8. Operation ■...
  • Page 73 7. Measurement Indicates the remaining battery level. For details of the battery level, refer to “3. Preparation”. Displays messages such as probe off. For details of messages, refer to “11. Troubleshooting”.
  • Page 74 7. Measurement Enlarged Display Screen ●SpO Pulse rate, SpO measurement value, remaining battery level, and probe condition are displayed. The LCD display will automatically turn itself OFF after 180 seconds if no operation is done. To restart the LCD display, refer to “8. Operation ■...
  • Page 75 7. Measurement Indicates the remaining battery level. For details of the battery level, refer to “3. Preparation”. Displays messages such as probe off. For details of messages, refer to “11. Troubleshooting”.
  • Page 76 7. Measurement...

  • Page 77: Operation

    8. Operation * The screen examples of the LX-7230N are used for explanation. ■ Changing Setup ●ECG Display Screen (1) In the ECG display screen (1), the ECG waveform size and lead displayed on the LCD of the LX-7230N/LX-7230N(G) can be changed.
  • Page 78 ENTER button to return to the ECG display screen (1). CAUTION Do not operate the LX-7230N/LX-7230N(G) with the setup screen open to prevent the settings to be changed due to an unintended operation. Make sure to highlight and press ENTER to terminate the setup screen.
  • Page 79 CAUTION The displayed ECG waveform size setting does not interact with the one displayed on the receiving monitor, as the LX-7230N/LX-7230N(G) cannot transmit the setting information of the waveform size to the receiving monitor. If the ECG waveform size of the receiving monitor is changed,...
  • Page 80 ENTER button to return to the ECG display screen (2). CAUTION Do not operate the LX-7230N/LX-7230N(G) with the setup screen open to prevent the settings to be changed due to an unintended operation. Make sure to highlight and press ENTER to terminate the setup screen.
  • Page 81 CAUTION The displayed respiration waveform size setting does not interact with the one displayed on the receiving monitor, as the LX-7230N/LX-7230N(G) cannot transmit the setting information of the waveform size to the receiving monitor. If the respiration waveform size displayed on the receiving monitor is changed, follow the instruction in the operation manual of the receiving monitor.
  • Page 82 ENTER button to return to the respiration display screen. CAUTION Do not operate the LX-7230N/LX-7230N(G) with the setup screen open to prevent the settings to be changed due to an unintended operation. Make sure to highlight and press ENTER to terminate the setup screen.
  • Page 83 8. Operation Display Screen ●SpO LX-7230N/LX-7230N(G) has no setup item in the SpO display screen. Enlarged Display Screen ●SpO LX-7230N/LX-7230N(G) has no setup item in the SpO display screen...

  • Page 84: Restarting The Lcd Display

    8. Operation ■ Restarting the LCD Display The LCD display will automatically turn itself OFF after 180 seconds if no operation is done. Press the ENTER button or press and hold the ▽ button to restart the LCD display. The starting screen with telemetry channel number appears, and then the waveform display screen appears.

  • Page 85: Other Setting Items

    9. Other Setting Items The following settings are available for the LX-7230N/LX-7230N(G) depending on the usage and condition of the patient. For details of the settings, contact our service representative. Items Selection Default Backup Time Constant 0.4 s, 0.1 s 0.4 s...

  • Page 86: Changing The Time Constant

    AC frequency, by changing the time constant to “0.1 second” the monitoring may become relatively stable. For details of the setting change, contact your local Fukuda Denshi service representative. CAUTION ...

  • Page 87: Changing The Detection Sensitivity Of The Pacemaker Pulse

    7230N(G) less likely to be interfered by the noise, such as AC frequency. The “Low” setting decreases the detection sensitivity. Therefore, it cannot detect the pacemaker pulse specified in IEC 60601-2-27 standard. For details of the setting change, contact your local Fukuda Denshi service representative. CAUTION The LCD screen in normal use does not indicate the setting status of the pacemaker pulse detection.

  • Page 88: Changing The Respiration Detection Signal On/Off

    LX-7230N/LX-7230N(G), to distinguish whether the setting of the respiration detection signal ON/OFF is changed. ■ Changing the LCD Contrast The LCD display contrast of the LX-7230N/LX-7230N(G) can be changed in 8 steps. For details of the setting change, contact your local Fukuda Denshi service...

  • Page 89: Changing The Transmitter Channel And Group Id

    10. Changing the Transmitter Channel and Group ID ■ Changing the Transmitter Channel The LX-7230N/LX-7230N(G) is a transmitter of PLL synthesizer type, and its transmitter channel can be programmed. It can be set up with an arbitrary channel among the channels assigned by the Telemetry Laws (according to each country).
  • Page 90 10. Changing the Transmitter Channel and Group ID...

  • Page 91: Troubleshooting

    11. Troubleshooting ■ List of Displayed Messages Transmitter (Main Unit) Message Cause Solution Contact your local Fukuda Failed to transmit Denshi service waveform and representative. value. Faulty EEPROM. Failed to initialize CPU. Message Cause Solution Electrode is off. Check the electrode condition.
  • Page 92 11. Troubleshooting Message Cause Solution Probe is off. Check the attached condition of the probe. Faulty Probe. Replace the probe with a new one. is not Check the attached condition measured correctly. of the probe. Cover the probe with an opaque material to cut off the outside light.

  • Page 93: Troubleshooting

    11. Troubleshooting ■ Troubleshooting Make sure of the following. However, if there is no improvement in the phenomenon, contact your local Fukuda Denshi service representative. Transmitter (Main Unit) Phenomenon Cause Solution Nothing is displayed No battery or wrong Install the battery correctly.
  • Page 94 Solution “ELECTRODE?” Lead cable is off. Check the connection message is displayed. between the lead cable and the LX-7230N/LX-7230N(G). Check the connection between the lead cable and the electrode. Faulty Lead cable. Replace the ECG cable with a new one.

  • Page 95: In Case Of Dropping The Lx-7230N/Lx-7230N(G) Into Water

    ECG lead cable, SpO probe (sensor), or batteries. CAUTION  Do not use a dryer. The LX-7230N/LX-7230N(G) shape may change or be broken.  When rinsing the LX-7230N/LX-7230N(G) with running water, make sure to close the battery compartment lid.
  • Page 96 11. Troubleshooting...

  • Page 97: Cleaning And Disinfection

     Clean the equipment frequently so stains can be removed easily.  To prevent injury, it is recommended to wear gloves when cleaning the equipment.  Do not allow any chemical solution to enter the LX-7230N/LX-7230N(G) or connectors.  The LX-7230N/LX-7230N(G) cannot be sterilized.

  • Page 98: Cleaning The Ecg Lead Cable

    CAUTION  Do not immerse the connector parts of the LX-7230N/LX-7230N(G) in any chemical solution to prevent connection failure.  When disinfecting the entire room using a spray solution, pay close attention not to have liquids get into the LX-7230N/LX-7230N(G) or connectors.

  • Page 99: Cleaning And Disinfecting The Spo Probe (Sensor)

    ■ Cleaning and Disinfecting the SpO Probe (Sensor) ® sensors ●NELLCOR ® After using the the Durasensor (DS-100A) on each patient, clean it with 70% isopropyl alcohol. If low-level disinfection is required, use a 1:10 bleach solution. Any unproved cleaning solutions may case early failure of the sensors.
  • Page 100 12. Cleaning and Disinfection...

  • Page 101: Maintenance And Inspection

    13. Maintenance and Inspection This section explains the daily checks and periodic checks of the LX-7230N /LX-7230N(G). To ensure safety, reliability, and high performance, a “Daily Check” and “Periodic Check” must be performed. We are not liable for any accident arising from lack of maintenance.
  • Page 102 □OK/ □NG proper switch operation. the LCD should turn ON. Visually check the connectors of No damage, chip, and ECG Connectors the cable and the LX-7230N/LX- adhesion of dust should □OK/ □NG 7230N(G). be found. Visually check each lead for...
  • Page 103 ■Periodic Check The periodic maintenance check is intended to check the medical equipment used daily in a medical institution to prevent failures and accidents and to ensure safety and reliability. The check procedures are described for daily and periodic checks. Each check item must be performed according to the described check procedure.
  • Page 104 13. Maintenance and Inspection Check Item Check Procedure Criteria 3. Display, Operation, Record Labels Visually check the labels, Should be clean, clear caution labels, etc. and firmly attached. Operation, Check by operating the Should operate Switches and switches and keys. properly.
  • Page 105 Heart Rate With ECG simulator, test For reference Accuracy* heartbeat 60, 180 beats/min., heartbeat signal of 60, and check the displayed HR 180 beats/min., error value. of the displayed HR value should be within ±3 beats/min. ECG Lead With ECG simulator, check For each lead cable, Switch that each lead is displayed...
  • Page 106 13. Maintenance and Inspection Check Item Check Procedure Criteria 6. Arterial Oxygen Saturation (SpO Error should be within Accuracy Measure the error at 75%, ±2% for SpO of 70– 90% using a SpO simulator. 100%. Error between the 2 Prepare other reference devices should be device, perform measurement within ±4%.
  • Page 107 Check Item Check Procedure Criteria Total patient Measure the total patient 【AC/DC】 leakage current leakage current that runs From the patient that runs through the ground from the connecting part to the through the patient. ground (NC) ground from the According to test procedure of ≤0.05mA.
  • Page 108 13. Maintenance and Inspection Periodic Check List...

  • Page 109: Repairing The Equipment

    CAUTION The battery compartment lid must be replaced at specified period. Even if the LX-7230N/LX-7230N(G) is used less than one (1) year, the unit may be damaged from high impact. If the LX-7230N/LX-7230N(G) is dropped or is subjected to a high impact, make sure that the unit is not...
  • Page 110 13. Maintenance and Inspection ●Assembly and Disassembly Follow the procedure below to remove the battery compartment lid. 1. Unlock the battery compartment lid by turning the lock as shown below. 2. Remove the old battery compartment lid.
  • Page 111 Follow the procedure below to attach the battery compartment lid. 1. Set the new battery compartment lid adjusting to the unit. 2. Lock the battery compartment lid by turning the lock as shown below.
  • Page 112 13. Maintenance and Inspection...

  • Page 113: Standard And Optional Accessories

    14. Standard and Optional Accessories This section lists the accessories for the LX-7230N/LX-7230N(G). WARNING Use only the accessories, such as ECG Lead cable and SpO probe (sensor) specified by Fukuda Denshi for the LX-7230N/LX-7230N(G). Otherwise, the LX-7230N/LX-7230N(G) cannot deliver its maximum performance and may be damaged, resulting in a safety hazard.

  • Page 114: Optional Accessories

    14. Standard and Optional Accessories ■ Optional Accessories The following optional accessories are available for the LX-7230N/LX- 7230N(G). Purchase them as required. ●ECG, Impedance Respiration Measurement Item Model Type Note 3-electrode (White, ECG Clip Type Lead Cable CMT-01CTH-0.8DA Black, Red),...
  • Page 115 14. Standard and Optional Accessories Measurement ●SpO Item Model Type Note Reusable Adult ® Durasensor DS-100A (weight of 40 kg and over) Finger Single-Patient-Use Pediatric OxiMax ® MAX-P (weight of 10 kg to 50 kg) Finger Single-Patient-Use Adult ® OxiMax MAX-A/AL (weight of 30 kg and over) Finger...
  • Page 116 14. Standard and Optional Accessories...

  • Page 117: Specification

    DC: Two 1.5 V “AA” size (“LR06” size) alkaline batteries LX-7230N Continuous Approximately 2.5 days Operating Time: LX-7230N(G) Approximately 1.5 days Continuous Operating Time: *Continuous operating time is assumed when using new “AA” size (“LR06” size) alkaline batteries specified by Fukuda Denshi.
  • Page 118 15. Specification Numbers of Lead 3-electrode, 4-electrode, or 5-electrode Electrode: (Limb+Chest) Numbers of Input 1CH (3-electrode) or 2CH Channel: Accuracy of Sensitivity: 10 mm / 1 mV ± 20% (Display sensitivity on the receiving monitor) ECG Input Impedance: 5 MΩ and above Input dynamic range and Input dynamic range: ±5 mV Offset voltage:...
  • Page 119 15. Specification Measurement Range: 1%SpO to 100%SpO Resolution: 1%SpO Measurement Accuracy: Accuracy of measurement with SpO probe is as follows. Probe Measurement Accuracy (±1SD) OxiMax ® MAX-I ±2%SpO ® OxiMax MAX-P ±2%SpO ® OxiMax MAX-A/AL ±2%SpO ® Durasensor DS-100A ±3%SpO ®...
  • Page 120 Measurement Accuracy: ±3 bpm Measurement Response Time: 6 sec. to 7 sec. (Averaging time) Measurement Value Update Rate: 1 second Transmission Method of LX-7230N Modulation Mode: Digital, Frequency shift keying Frequency: 608 MHz to 614 MHz Oscillation Method: PLL synthesizer method by crystal control Channel Spacing: 12.5 kHz...
  • Page 121 15. Specification Operating Environment Temperature: 10C to 40C / 50F to 104F Humidity: 30%RH to 85%RH (non-condensing) Atmospheric Pressure: 70 kPa to 106 kPa Vibration/Shock: Complies with EN ISO 80601-2-61:2011 201.15.3.5.101.1 b), EN ISO 80601-2-61:2011 201.15.3.5.101.1 a)1) Transport / Storage Environment Temperature: -10C to 60C / 14F to 140F Humidity:...

  • Page 122: Functional Testers And Patient Simulator For Spo Measurement

    15. Specification ■ Functional Testers and Patient Simulator for SpO measurement Some models of commercially available bench top functional testers and patient simulators can be used to verify the proper functionality of pulse oximeter sensors, cables and pulse oximeters. See the operator’s manual of the individual testing device for the procedure which is specific to the model of tester being used.

  • Page 123: Displays

    15. Specification ■ Displays The following displays are shown on the LCD of the LX-7230N/LX-7230N(G). Display Description Starting Screen Displayed after turning on the power. Automatically moves onto the channel display screen. Channel Display Displays the transmitter channel after turning on the power and also when Screen refreshing the screen.
  • Page 124 15. Specification Display Description Error Message Telemeter Error Displayed when the transmitter is faulty EEPROM Error Displayed when the EERPROM is faulty CPU Error Displayed when the CPU is faulty...

  • Page 125: Details Of The "Electrode?" Message

    15. Specification ■ Details of the “ELECTRODE?” Message The following “ELECTRODE?” messages are displayed on the LCD depending on the selected lead cable and lead. 3-electrode lead 3-electrode lead 3-electrode lead Check cable cable cable Position Lead I display Lead II display Lead III display Several Position...

  • Page 126: List Of Setup Items

    15. Specification ■ List of Setup Items This section lists the available selection, default setting, and backup status for each setup item, which is available for the LX-7230N/LX-7230N(G). Items Selection Default Backup ECG Lead I, II, III Display Size of ECG (1) ×1, ×1/2...
  • Page 127 ON, OFF (Display) Display Contrast 8 steps Channel One from the following channels. 0801 to 0879 LX-7230N Channel 0900 to 0979 1100 1000 to 1079 1100 to 1179 1200 to 1279 1300 to 1379 One from the following channels. 9501 to 9539...
  • Page 128 15. Specification...

This manual is also suitable for:

Lx-7230ng

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