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7. Measurement

38

Displays the ECG waveform.

Displays the heart rate.

is displayed in synchronization with

the heart rate.

Displays the detection marker when
the pacemaker pulse is detected.

Indicates the measuring lead.

Indicates the ECG waveform size
displayed on the LCD.

C A U T I O N

The ECG waveform size setting displayed on the LCD does not interact

with the one displayed on the screen of the receiving monitor, because
the LX-7230N cannot transmit the setting information of the waveform
size to the receiving monitor. If the ECG waveform size displayed on the
screen of the receiving monitor is changed, follow the instruction in the
operation manual of the receiving monitor.

In case of the outside of the heart rate range (12 to 300bpm), 0bpm will

be displayed if 11bpm and below is measured and 300bpm will be
displayed If 300bpm and above is measured.

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Summary of Contents for LX-7230N

Page 1: ...ECG Respiration and SpO2 Transmitter LX 7230N Ver 02 Operation Manual LX 7230N Before using the product please read this manual thoroughly Store this manual where it can be always referred to TYPE GHz ...

Page 2: ...s CAUTION This equipment for sale by or on the order of a physician The company and product names used in this manual are trademarks or registered trademarks If this manual has pages missing or out of order contact Fukuda Denshi for replacement Only physician or persons instructed by physicians are allowed to use the equipment The information contained in this document is subject to change without...

Page 3: ...s injury CAUTION Failure to follow this message may cause injury or failure to the equipment NOTE A note is not related to product safety but provides information about the correct use and operating procedures to prevent incorrect operation and malfunction of the equipment Precaution from Fukuda Denshi Fukuda Denshi is liable for the safety reliability and performance of its equipment only if Main...

Page 4: ...ration Type CF Applied Part with Defibrillation Proof Indicates that the degree of protection against electric shock is Type CF Applied Part with defibrillation proof No Alarm Function Indicates no alarm function Battery Type and Direction Indicates the battery type and direction Symbols indicated on the LCD screen Symbol Description Heart Rate Synchronization Mark This mark flashes synchronizing ...

Page 5: ...Check the cable connection and polarity to ensure proper operation of the equipment Ensure that all cables are firmly and safely connected Especially recheck the attachment and connection condition of electrode and the probe sensor Pay special attention when the equipment is used in conjunction with other equipment as it may cause erroneous judgment and danger Check the remaining battery level Whe...

Page 6: ...s Before reusing the equipment that has been left unused for a while make sure that the equipment works normally and safely 9 When using electrosurgical knives or defibrillator with this equipment take care of the following To prevent burn injury to the patient verify proper attachment of patient ground plate ECG electrode type for the electrosurgical knives and the quantity of gel output energy f...

Page 7: ...he electrode site When using an electrosurgical instrument it may misidentify noise from the electrosurgical instrument as a heartbeat or arrhythmia 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...

Page 8: ... on a safety bulletin issued by FDA Center for Devices and Radiological Health on October 14 1998 ECG meter may continue to count the pacemaker rate during occurrences of cardiac arrest or arrhythmias Do not rely entirely upon the ECG meter alarms Keep pacemaker patients under close surveillance Check this manual for disclosure of the pacemaker pulse rejection capability of this equipment Precauti...

Page 9: ...a soft cloth and dry it thoroughly before use Precautions about ECG CAUTION When removing electrodes from the patient remove them carefully and slowly Do not apply excessive force to remove them Otherwise it may damage the skin There are some cases when the pacemaker pulse cannot be detected depending on the pacemaker type pulse voltage pulse width electrode lead type unipolar bipolar electrode pl...

Page 10: ...ent may inhibit the blood flow and generate compression necrosis and burn injury When securing the probe sensor with tape do not apply the tape too tight At the same time check the blood flow constantly so that congestion is not generated at the peripheral When removing the tape remove it slowly with care not to damage the patient s skin CAUTION For the following case accurate measurement may not ...

Page 11: ...Accessories WARNING Use only the accessories such as ECG Lead cable and SpO2 probe sensor specified by Fukuda Denshi for the LX 7230N Otherwise the LX 7230N cannot deliver its maximum performance and may be damaged resulting in a safety hazard CAUTION Do not reuse disposable products Store the disposable products properly as mentioned in their user manuals Precautions about Battery WARNING Use new...

Page 12: ...equires the prior coordination with a frequency coordinator designated by the FCC for the Wireless Medical Telemetry Service This radio frequency device is susceptible to interference from outside sources Interference may prevent the monitoring of patients connected to this equipment If a problem exists contact your local service representative The LX 7230N transmits vital signs to the receiving m...

Page 13: ...telemetry systems and are skilled in operating telemetry When installing telemetry the Overall Manager and the Zone Manager have to understand the precautions for use of telemetry in advance The Overall Manager is responsible for maintenance of wireless channel and storage and maintenance of telemeter in the overall medical facilities to give proper instructions to the Zone Manager when using tele...

Page 14: ...ntended malfunction or noise occurs during monitoring check the magnetic influence and take appropriate countermeasures The following are examples of the common cause and countermeasures Mobile Phone The radio wave may cause malfunction to the equipment Mobile phones and radio sets should be turned off in the room building where medical device is located Static Electricity In a dry environment roo...

Page 15: ...Electromagnetic Compatibility When using this equipment verify that it is used within the environment specified below Compliance to the Electromagnetic Emissions The LX 7230N is intended for use in the electromagnetic environment specified below The customer or the user of the LX 7230N should assure that it is used in such an environment Emission Test Compliance Electromagnetic Environment Guidanc...

Page 16: ...he relative humidity should be at least 30 Electrical fast transient burst IEC 61000 4 4 2kV Power supply lines 1kV Input output lines N A Surge IEC 61000 4 5 1kV differential mode 2kV common mode N A Voltage dips short interruptions and voltage variations on power supply input lines IEC 61000 4 11 5 UT 95 dip in UT for 0 5 cycle 40 UT 60 dip in UT for 5 cycles 70 UT 30 dip in UT for 25 cycles 5 U...

Page 17: ...as determined by an electromagnetic site survey a should be less than the compliance level in each frequency range b Interference may occur in the vicinity of equipment marked with the following symbol Note 1 At 80MHz and 800MHz the higher frequency range applies Note 2 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflection from struct...

Page 18: ...istance according to Frequency of Transmitter m 150kHz to 80MHz d 1 2 P 80MHz to 800MHz d 1 2 P 800MHz to 2 5GHz d 2 3 P 0 01 0 12 0 12 0 23 0 1 0 38 0 38 0 73 1 1 2 1 2 2 3 10 3 8 3 8 7 3 100 12 12 23 For transmitters rated at a maximum output power not listed above the recommended separation distance d in meters m can be determined using the equation applicable to the frequency of the transmitte...

Page 19: ...bout Battery ix Precautions about Disposing of Equipment Accessories or Components x Precautions about Disposing of Battery x Precautions for Use of Medical Telemeter x Electromagnetic Compatibility xii Precautions for Safe Operation under Electromagnetic Influence xii EMC Guidance xiii 1 General Description 1 2 Names of Parts and Their Functions 3 3 Preparation 5 1 Installing the Batteries 5 2 Op...

Page 20: ...ging the Group ID 57 11 Troubleshooting 59 List of Displayed messages 59 Troubleshooting 61 In Case of Dropping the LX 7230N into Water 63 12 Cleaning and Disinfection 65 Cleaning and Disinfecting the LX 7230N 65 Cleaning the ECG lead cable 66 Cleaning and Disinfecting the SpO2 probe sensor 66 13 Maintenance and Inspection 67 14 Standard and Optional Accessories 69 Standard Accessories 69 Optional...

Page 21: ... ECG electrodes and SpO2 probe sensor are displayed on the LCD of the front panel ECG lead selection is available using the two buttons Enter and on the front panel In case of using a 3 electrode lead cable or a 5 electrode chest lead cable The LX 7230N can also function as a transmitter to measure only the ECG Respiration without SpO2 or to measure only the SpO2 without ECG Respiration Before usi...

Page 22: ...1 General Description 2 Blank Page ...

Page 23: ... Channel Number Label Indicates transmitter channel number LCD Displays measurement waveform and transmitter information Power Switch Turn ON OFF the power EVENT Button Activates the function assigned on the receiving monitor Electrode Position Label Indicates standard ECG electrode position Enter button Uses for setup button Uses for setup Refer to Safety Precautions in this manual s preface SpO2...

Page 24: ...ttery Lid Lock Lever Uses to open lock the battery compartment lid Battery Compartment Lid This is the lid for the battery compartment Make sure to close it when the transmitter is operated Refer to Safety Precautions in this manual s preface ...

Page 25: ...Do not use different types of batteries at the same time The leakage from the batteries may damage the equipment or an explosion from the batteries may occur Remove the exhausted batteries immediately The leakage from the batteries may damage the equipment or an explosion from the batteries may occur If the transmitter is not in use for a long period of time remove the batteries and store the equi...

Page 26: ...ment from the minus terminal as shown in the left picture Hook the lock lever on the projection from the body and press it down until it is horizontal flat position CAUTION 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...

Page 27: ...rns itself OFF after 180 seconds After the power is turned ON make sure to check the remaining battery level on the LCD screen Refer to the following symbol about the remaining battery level Battery Symbol Remaining Battery Level Full Getting low but still available Nearly empty Replace the battery The battery level estimation is in case of using alkaline batteries Turning the power switch to OFF ...

Page 28: ...3 Preparation 8 Blank Page ...

Page 29: ...H 3 electrode Hook Type White Black Red CMT 02HTH 0 8DA Limb Lead 2CH 4 electrode Hook Type White Black Red Green CMT 03HTH 0 8DA Limb Lead 1CH Chest 1CH 5 electrode Hook Type White Black Red Green Brown CMT 01FTH 0 8DA Limb Lead 1CH 3 electrode Clip Type White Black Red CMT 02FTH 0 8DA Limb Lead 2CH 4 electrode Clip Type White Black Red Green CMT 03FTH 0 8DA Limb Lead 1CH Chest 1CH 5 electrode Cl...

Page 30: ... I lead II or lead III under the setting of the equipment Refer to 8 Operation Changing Setup ECG Display Screen 1 Switching Lead in page 47 For 4 electrode lead cable For AHA color code electrode position No CMT 02HTH 0 8DA CMT 02FTH 0 8DA Standard Limb leads Two leads measurements lead I and II are fixed Lead III aVR aVL and aVF can be also displayed from the setting on the receiving monitor For...

Page 31: ...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 The chest lead waveform is measured from the chest lead Brown positioned on the chest Refer to 8 Operation Changing Setup ECG Display Screen 1 Switching Lead in page 47 Black LA White RA Red LL Green RL Brown V ...

Page 32: ...rfere with monitoring Do not reuse the disposable electrodes It is intended for single patient use only Clean the electrode sites with alcohol wipes or other skin preparation If necessary shave the electrode sites to remove excessive hair Peel off the disposable electrode Pay attention not to touch the electrode gel Attach the lead cable end to the electrode convex part Turn right and left to veri...

Page 33: ...nnecting the ECG Lead Cable to the LX 7230N 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 34: ...atient from a transmitter or a monitor When an electrode is attached on the same location for a long time some patients may develop skin irritation Check the patient s skin condition periodically and change the electrode position as required The indication for continuous use of an electrode is about one day Replace the electrode if the skin contact gets loosen due to perspiring etc Make sure to us...

Page 35: ...pment may possibly send wrong information 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 FDA alerts health profession...

Page 36: ...5 Respiration Monitoring 16 Blank Page ...

Page 37: ...ected If the SpO2 waveform numeric data is not displayed check the patient s condition and pay attention not to miss the connector off condition CAUTION When using the transmitter with only the SpO2 sensor cable ECG and respiration measurements on the receiving monitor shall be turned off to prevent an erroneous alarm The pulse wave and level meter are normalized for SpO2 measurement It does not i...

Page 38: ... of 10 to 50Kg Finger OxiMax MAX A AL Adult weight of 30Kg and over Finger Durasensor DS 100A Adult weight of 40Kg and over Finger OxiMax MAX R Adult weight of 50Kg and over Nose OxiMax MAX FAST Adult Pediatric weight of 10Kg and over Forehead OxiMax MAX N Adult weight of 40Kg and over Finger Neonate weight of less 3Kg Foot WARNING For SpO2 monitoring always use the sensor specified by Fukuda Dens...

Page 39: ...easurement may be influenced by abnormal hemoglobin such as carbon monoxide hemoglobin COHb and methemoglobin MetHb It may be also affected by cardiogreen or intravascular dyes In addition the following case may affect the accuracy of SpO2 and pulse rate measurement Outside light direct sunlight fluorescent light therapy equipment surgical light infrared heat ramp etc Hypoperfusion Excessive body ...

Page 40: ...r infusion line 2 Orient the MAX I so that the window next to the cable is aligned on the bottom of the big toe as shown The cable should extend towards the heel Figure 2 3 Wrap the MAX I firmly but not too tightly around the toe Windows must oppose each other for correct measurement Figure 3 4 Wrap any excess tape loosely around the toe Use additional tape provided to secure the cable across the ...

Page 41: ...rgic reactions to the adhesive tape Failure to apply the sensor properly may cause incorrect measurements While the sensor is designed to reduce the effects of ambient light excessive light may cause inaccurate measurements In such cases cover the sensor with an opaque material If the sensor is wrapped too tightly or supplemental tape is applied venous pulsations may lead to inaccurate saturation ...

Page 42: ...nt the MAX P MAX A MAX AL so that the dashed line in the middle of the sensor is centered on the tip of the finger toe Figure 2 Wrap the adhesive flaps around the digit Note that the cable must be positioned on the top of the hand or foot 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 d...

Page 43: ...ents In such cases cover the sensor with an opaque material If the sensor is wrapped too tightly or supplemental tape is applied venous pulsations may lead to inaccurate saturation measurements Excessive motion may compromise performance In such cases try to keep the patient still or change the sensor site to one with less motion Intravascular dyes or externally applied coloring such as nail polis...

Page 44: ... other OxiMax sensor Do not use the DS 100A on a thumb or toe or across a child s hand or foot NOTE When selecting the sensor site priority should be given to an extremity free of an arterial catheter blood pressure cuff or intravascular infusion line 4 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 7230...

Page 45: ...cts of ambient light excessive light may cause inaccurate measurements In such cases cover the sensor with an opaque material Do not apply tape to secure the sensor in place or to tape it shut venous pulsations may lead to inaccurate saturation measurements Excessive motion may compromise performance In such cases try to keep the patient still or change the sensor site to one with less motion Intr...

Page 46: ...the dashed center line b midway between the marks Figure 1 3 Orient the MAX R so that the dashed line is centered on the nose a and the alignment marks are at the bone cartilage junction b The cable should extend toward the patient s right side Figure 2 4 Press the MAX R firmly onto the nose and hold in place for 10 seconds to ensure adhesion Figure 3 The MAX R must be secured firmly for proper op...

Page 47: ... ambient light excessive light may cause inaccurate measurements In such cases cover the sensor with an opaque material Intravascular dyes or externally applied coloring such as dye or pigmented cream may lead to inaccurate measurements Take care when removing the MAX R so that the adhesive does not damage delicate facial tissue The MAX R is not recommended for patients wearing oxygen or anesthesi...

Page 48: ...he lateral edge of the site a Neonates The preferred site is the foot Alternatively use the hand The window next to the cable goes on the sole of the foot as shown Figure 2 Adults The preferred site is the index finger Alternatively other fingers may be used The window next to the cable goes on the nail side distal to the first joint Do not place on a joint Note that the cable must be positioned o...

Page 49: ...reposition the sensor in a different location or choose an alternate Nellcor sensor to use on a different site Reapplication 1 The MAX A can be reused on the same patient as long as the adhesive tape attaches without slippage 2 Enclosed adhesive dots are provided for reapplication Place the transparent dot over each window as shown and then remove the protective paper that covers each dot Figure 4...

Page 50: ... such cases cover the sensor with an opaque material If the sensor is wrapped too tightly or supplemental tape is applied venous pulsations may lead to inaccurate saturation measurements Excessive motion may compromise performance In such cases try to keep the patient still or change the sensor site to one with less motion Intravascular dyes or externally applied coloring such as nail polish dye o...

Page 51: ...y to be applied on the patient 2 NOTE There are three adhesive pads attached to the sensor each with a pull tab for removal When repositioning the sensor on the same patient first expose the new adhesive pad by grasping the tab and peeling off the old adhesive pad The sensor is now ready to be reapplied to the patient 3 Place the sensor onto a flat hairless portion of the patient s forehead just a...

Page 52: ...coloring such as dye or pigmented cream to permit appropriate light transmission If any of these situations occurs reposition the sensor in a different location or choose an alternate Nellcor sensor to use on a different site WARNING Precautions for Use of headband Do not use headband on children age 24 months and younger Do not use headband on children with open fontanelles For details refer to t...

Page 53: ...s of ambient light excessive light may cause inaccurate measurements In such cases cover the sensor with an opaque material Do not use tape with the sensor Use of additional tape or other types of adhesives may cause skin damage Applying the headband too tightly can lead to inaccurate saturation measurements or possibly to temporary pressure marks from sensor Excessive motion may compromise perfor...

Page 54: ...ellcor SpO2 Sensor to the LX 7230N 1 Insert the SpO2 sensor into the SpO2 input connector on the LX 7230N 2 Attach the sensor lock as shown in the following illustration to prevent the SpO2 sensor to be disconnected SpO2 Sensor Sensor Lock ...

Page 55: ...cable heart rate pacemaker marker respirogram respiration rate pulse wave SpO2 measurement value remaining battery level and various messages are displayed CAUTION The LX 7230N does not have a diagnostic function Check the diagnostic function on the receiving monitor The LX 7230N does not have an alarm function Check the alarm function on the receiving monitor The ECG waveform size and sweep speed...

Page 56: ... To restart the LCD display refer to page 51 When the LCD display is active press the button to move onto the next screen The screen will be switched in the following order Press and hold Enter for 2 seconds Move onto ECG1 Lead Waveform size setting display Move onto ECG2 waveform size setting display Move onto RESP waveform size setting display Press and hold Enter for 2 seconds Press and hold En...

Page 57: ...aker 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 page 51 When the LCD display is active press the button to move onto the next waveform display screen Descriptions of the Screen The descriptions of contents displayed on the LCD are as follows...

Page 58: ... LCD does not interact with the one displayed on the screen of the receiving monitor because the LX 7230N cannot transmit the setting information of the waveform size to the receiving monitor If the ECG waveform size displayed on the screen of the receiving monitor is changed follow the instruction in the operation manual of the receiving monitor In case of the outside of the heart rate range 12 t...

Page 59: ...lectrode 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 To restart the LCD display refer to page 51 When the LCD display is active press the button to move onto the next waveform display screen Descriptions of the Screen The descriptions of contents displayed on the LCD are as follows Indicates ECG 2 Indic...

Page 60: ...the LX 7230N does not interact with the one displayed on the screen of the receiving monitor because the LX 7230N cannot transmit the setting information of the waveform size to the receiving monitor If the ECG waveform size displayed on the screen of the receiving monitor is changed follow the instruction in the operation manual of the receiving monitor In case of the outside of the heart rate ra...

Page 61: ...ically turn itself OFF after 180 seconds if no operation is done To restart the LCD display refer to page 51 When the LCD display is active press the button to move onto the next waveform display screen Descriptions of the Screen The descriptions of contents displayed on the LCD are as follows Indicates the respiration waveform display screen Indicates the scale of the displayed respiration wavefo...

Page 62: ...the receiving monitor If the respiration waveform size displayed on the screen of the receiving monitor is changed follow the instruction in the operation manual of the receiving monitor In case of the outside of the respiration rate range 9 to 150Bpm 0Bpm will be displayed if 8Bpm and below is measured and 150Bpm will be displayed If 150Bpm and above is measured Indicates the remaining battery le...

Page 63: ... 51 When the LCD display is active press the button to move onto the next waveform display screen Descriptions of the Screen The descriptions of contents displayed on the LCD are as follows Indicates the SpO2 display screen Displays the pulse wave The waveform size displayed on the LCD is adjusted automatically Displays the SpO2 measurement value Displays the pulse rate Displays the level meter of...

Page 64: ...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 page 51 When the SpO2 Enlarged Display Screen is displayed press the button to move onto the next waveform display screen Descriptions of the Screen The descriptions of contents displayed on the LCD are as follows Indicates the SpO2 disp...

Page 65: ...r of the pulse wave Indicate the amplitude level of the pulse wave in 8 steps Indicates the remaining battery level For details of the battery level refer to page 7 Displays messages such as probe off For details of messages refer to page 60 ...

Page 66: ...7 Measurement 46 Blank Page ...

Page 67: ...rode Chest lead cable is used Select an appropriate lead by checking the ECG waveform on the LCD The lead indication of ECG 1 is highlighted Pressing the Enter button will sequentially change the lead of ECG 1 Lead I II III I Changing ECG1 Waveform Size on LCD Press the button to highlight the size indication of ECG 1 Pressing the Enter button will sequentially change the size of ECG 1 Size 1 1 2 ...

Page 68: ...o return to the ECG display screen 1 CAUTION Do not operate the LX 7230N with the setup screen open to prevent the settings to be changed due to an unintended operation Make sure to press the Return button to terminate the setup screen The LCD display will automatically turn itself OFF after 180 seconds if the Return button is not pressed ECG Display Screen 2 In the ECG display screen 2 the ECG wa...

Page 69: ...receiving monitor is changed follow the instruction in the operation manual of the receiving monitor Returning to ECG display screen 2 Press the button to highlight the Return button Press the Enter button to return to the ECG display screen 2 Respiration Display Screen In the respiration display screen the respiration waveform size displayed on the LCD of the LX 7230N can be changed Setting Metho...

Page 70: ...n of the receiving monitor is changed follow the instruction in the operation manual of the receiving monitor Returning to Respiration Display Screen Press the button to highlight the Return button Press the Enter button to return to the respiration display screen SpO2 Display Screen LX 7230N has no setup item in the SpO2 display screen SpO2 Enlarged Display Screen LX 7230N has no setup item in th...

Page 71: ...e EVENT button Press and hold the EVENT button for 2 seconds to activate the function assigned on the receiving monitor The following message appears on the LCD while the EVENT is transmitted After the transmission is completed the starting screen with the telemetry channel number appears and then the waveform display screen appears EVENT operation is available as a remote recording For details of...

Page 72: ...8 Operation 52 Blank Page ...

Page 73: ... Time Constant 0 4 sec 0 1 sec 0 4 sec Yes Detection Sensitivity of Pacemaker Pulse Low Mid High Mid Yes Respiration Detection Signal ON OFF ON Yes LCD Contrast 8 steps 8 Yes Transmitter Channel One from the following channels 9501to 9539 9600 to 9639 9700 to 9739 9700 to 9739 9800 to 9839 9900 to9938 2701 to 2739 2800 to 2839 2900 to 2918 2921 to 2939 3000 to 3039 3100 to 3138 9501 Yes Group ID O...

Page 74: ...etting change contact your local Fukuda Denshi service representative CAUTION When changing the time constant to 0 1 seconds the lower frequency characteristic becomes 1 6Hz 25 This setup does not meet IEC 60601 2 27 standard It may lead to a change in the ECG waveform and ST measurement value may be especially affected Fukuda Denshi recommends 0 4 seconds setting in normal use The LCD screen in n...

Page 75: ...ay lead to erroneous detection due to interference noise such as AC frequency If erroneous detections occur due to interference noise such as AC frequency turn OFF the setting of the pacemaker pulse detection in the receiving monitor If erroneous detections occur due to interference noise such as AC frequency while monitoring a patient with a pacemaker and the setting of the pacemaker pulse detect...

Page 76: ...r local Fukuda Denshi service representative CAUTION The respiration waveform cannot be measured if the setting of the respiration detection signal is turned OFF Make sure to turn OFF the respiration measurement function on the receiving monitor to prevent an erroneous detection of the respiration alarm on the receiving monitor side The LCD screen in normal use does not indicate the setting status...

Page 77: ...tter channel has been changed Changing the Group ID The LX 7230N transmits its group ID which it belongs to to prevent interference with neighboring hospital s transmitter The receiving monitor checks whether the incoming group ID is the same as the programmed one that the receiving monitor has There are 64 group codes available The default setting is 00 The transmitter group ID can be changed if ...

Page 78: ...10 Changing the Transmitter Channel and Group ID 58 Blank Page ...

Page 79: ...y SpO2 module Contact your local Fukuda Denshi service representative Failed to transmit waveform and value Faulty EEPROM Failed to initialize CPU ECG Message Cause Solution Electrode is off Check the electrode condition Character string displayed such as LA depends on the detached electrode position ...

Page 80: ...tion of the probe Faulty Probe Replace the probe with a new one SpO2 is not measured correctly Check the attached condition of the probe Cover the probe with an opaque material to cut off the outside light Due to excessive body motion SpO2 is not measured correctly Keep the patient still ...

Page 81: ... screen The channel number between the transmitter and the receiving monitor do not match up Set the same channel number for the transmitter and the receiving monitor Transmission problem Same channel number is already used Make sure to not duplicate channel numbers Follow the instruction by the person in charge of radio telemetry channel in your facility and use the LX 7230N with the correct chan...

Page 82: ...e electrode is too high Replace the electrode with a new one ECG waveform contains noise Electrode gel is dry Replace the electrode with a new one Electrode is peeling off Electric blanket is used Cover the electric blanket with a shield cover AC filter setting of the receiving monitor is OFF Set the AC filter up as ON Respiration waveform cannot be measured Electrode gel is dry Replace the electr...

Page 83: ...ion Transmitting and measuring LEDs sensor are dirty Clean both LED sensors from dirt In Case of Dropping the LX 7230N into Water In case of dropping the LX 7230N into water containing disinfectant pick up the LX 7230N quickly from it Rinse it well with running water and dry it thoroughly with a soft cloth CAUTION Do not use a drier The LX 7230N shape may change or be broken When the LX 7230N is r...

Page 84: ...11 Troubleshooting 64 Blank Page ...

Page 85: ... not use organic solvents thinner toluene and benzene to avoid damaging the resin case Do not polish the housing with abrasive or chemical cleaner Use only neutral detergent to clean the housing Do not use chemical cloth scrub brush abrasive polishing powder hot water volatile solvent and chemicals cleanser thinner benzine benzol and synthetic detergent for house and furniture or sharp edged tools...

Page 86: ...ll degrade the cable coating After cleaning dry it completely before usage Do not use high temperature sterilization such as steam or EOG method Cleaning and Disinfecting the SpO2 probe sensor NELLCOR SpO2 sensors 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...

Page 87: ...c equipment is mandatory to prevent failures and accidents and to ensure safety and reliability Periodic maintenance may be performed by the medical institution or by a third party by concluding a Maintenance Contract For more details contact your local Fukuda Denshi service representative Periodic Replacement Parts The Battery Compartment Lid Waterproof is the only periodic replacement part To en...

Page 88: ...CG Connectors Visually check the connectors of the cable and the LX 7230N No damage chip and adhesion of dust should be found OK NG ECG Lead cable Visually check each lead for damages No crack and damage should be found OK NG SpO2 Sensor Probe Visually check the cable optical receiver LED and connector for damages No crack chip damage and adhesion of dust should be found OK NG Wireless Channel Ver...

Page 89: ... LX 7230N Otherwise the LX 7230N cannot deliver its maximum performance and may be damaged resulting in a safety hazard CAUTION For quality improvement specifications are subject to change without prior notice Standard Accessories No Item Model Type Q ty Note 1 Neck Strap OA 311 1 2 4 electrode ECG lead cable CMT 02HTH 0 8DA 1 AHA color code Hook Type Limb Lead 2CH 3 Operation Manual 1 1 2 3 This ...

Page 90: ...ack Red Limb Lead 1CH ECG Hook Type Lead Cable CMT 02HTH 0 8DA 4 electrode White Black Red Green Limb Lead 2CH ECG Hook Type Lead Cable CMT 03HTH 0 8DA 5 electrode White Black Red Green Brown Limb Lead 1CH Chest 1CH ECG Clip Type Lead Cable CMT 01FTH 0 8DA 3 electrode White Black Red Limb Lead 1CH ECG Clip Type Lead Cable CMT 02FTH 0 8DA 4 electrode White Black Red Green Limb Lead 2CH ECG Clip Typ...

Page 91: ...to 50Kg Finger OxiMax MAX A AL Single Patient Single Use Adult weight of 30Kg and over Finger OxiMax MAX I Single Patient Single Use Infant weight of 3 to 20Kg Toe OxiMax MAX R Single Patient Single Use Adult weight of 50Kg and over Nose OxiMax MAX N Single Patient Single Use Adult weight of 40Kg and over Finger Neonate weight of less 3Kg Foot OxiMax MAX FAST Single Patient Single Use Adult Pediat...

Page 92: ...14 Standard and Optional Accessories 72 Blank Page ...

Page 93: ...lse waveform with SpO2 value ECG Lead cable Type 3 electrode 4 electrode or 5 electrode Limb Chest lead cable Automatically detect the type after inserting the lead cable Transmitting Status Data Electrode Off Low Battery Event Switch Pacemaker Detection Channel ID 64group Codes SpO2 Sensor Off LCD Built in Waterproof IPX8 Power Supply DC Two 1 5 V AA size LR06 size alkaline batteries Continuous O...

Page 94: ... and available to set 0 1 sec 25 Pacemaker Pulse Detection Rejection Comply with ANSI AAMI EC13 Pacemaker pulse rejection capability Protection to Defibrillation Meet the requirement of IEC60601 2 27 Respiration Impedance Method Accuracy of Sensitivity 10mm 1 2mm When standard Impedance is 480 Resp Display Range 0 9 to 150Bpm Display Error of Respiration Rate 3Bpm Measured Current of Respiration B...

Page 95: ...ected to fall within 2 of the value measured by a CO oximeter US Patents Covered by one or more of the following U S patents and foreign equivalents 5 485 847 5 676 141 5 743 263 6 035 223 6 226 539 6 411 833 6 463 310 6 591 123 6 708 049 7 016 715 7 039 538 7 120 479 7 120 480 7 142 142 7 162 288 7 190 985 7 194 293 7 209 774 7 212 847 7 400 919 Pulse Wave Pulse Rate Measurement Range 20 to 250bp...

Page 96: ... 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 While such devices may be useful for verifying that the pulse oximeter sensor ca...

Page 97: ...this difference will be reproducible over time and from pulse oximeter to pulse oximeter within the performance specifications of the test device Displays The following displays are shown on the LCD of the LX 7230N Display Description Starting Screen Displays after turning on the power Automatically moves onto the channel display screen Channel Display Screen Displays the transmitter channel after...

Page 98: ...ion or SpO2 cannot be measured normally due to outside light etc Motion Displays when the measurement cannot be executed due to an artifact such as body motion Display Description Error Message SpO2 Error Displays when the SpO2 measurement module is faulty Telemeter Error Displays when the transmitter is faulty EEPROM Error Displays when the EERPROM is faulty CPU Error Displays when the CPU is fau...

Page 99: ...cted lead cable and lead For AHA color code Check Position 3 electrode lead cable Lead I display 3 electrode lead cable Lead II display 3 electrode lead cable Lead III display LL RA LA Several Position Simultaneously Check Position 4 electrode lead cable For 5 electrode Chest lead cable LL RA LA RL V Several Position Simultaneously ...

Page 100: ... 1 2 1 Yes For details of the following settings contact our service representative Items Selection Default Backup Time Constant 0 4 sec 0 1 sec 0 4 sec Yes Detection Sensitivity of Pacemaker Pulse Low Mid High Mid Yes Respiration Detection Signal ON OFF ON Yes LCD Contrast 8 steps 8 Yes Transmitter Channel One from the following channels 9501to 9539 9600 to 9639 9700 to 9739 9700 to 9739 9800 to ...

Page 101: ...Printed in Japan 4L0112040 201411 3 39 4 Hongo Bunkyo ku Tokyo Japan Tel 81 3 5684 1455 Fax 81 3 3814 1222 http www fukuda com ...

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