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Maintenance and safety-related test (SRT)

MAINTENANCE AND SAFETY-RELATED TEST (SRT)

All procedures performed are to be recorded.

To maintain and check the device functions, the device must be subjected

to an annual maintenance or safety related test, carried out by an autho-

rized service technician.

The maintenance intervals and all necessary tasks are described, in detail,

in the service manual.

Содержание TRENDvent

Страница 1: ...User s manual for patients Ventilator Quality makes the Difference TRENDvent as of device software 1 500 ...

Страница 2: ...aceability purposes Please enter your device s serial number here You will find the serial num ber on the rating plate on the bottom of the device Please always quote the serial number for all queries and complaints CONFORMITY The device complies with the requirements of Directive 93 42 EEC ...

Страница 3: ...efore commissioning 15 Using oxygen 16 Safety related test 17 Intended use 18 Contraindications 19 Side effects 20 How the device works 21 Important components 21 How the device works 25 Nurse call and remote alarm 26 Ventilation modes 27 PCV mode 28 APCV mode 29 PSV mode 30 PSV S mode 31 CPAP mode 31 S mode 31 T mode 31 ST mode 31 Description of device 32 Housing display and control elements 32 O...

Страница 4: ...g the remote alarm box nurse call 47 Switching the device on 48 Switching the device off 49 Starting ventilation 50 Stopping ventilation 50 Operation with humidifier 51 Setting the humidifier heating level 51 Switching on the heating 52 Switching oFF the heating 52 Using oxygen 53 Supplying oxygen 53 Stopping the supply of oxygen 53 Measuring oxygen concentration 54 Operating the device 56 Operati...

Страница 5: ... test 69 Setting the volume of the alarms 70 Setting the brightness of the display 71 Setting the contrast of the display 71 The alarm screen 72 The counter screen 73 The service screen 74 The status screen 75 Alarms and error messages 76 General 76 Visual alarms 76 Acoustic alarms 77 Suppressing alarm sounds 77 Adjustable alarms 78 Error messages fixed alarms 79 Hardware errors 79 Further error m...

Страница 6: ...ging patient 88 Functional test 89 Checking the acoustic alarm 89 Checking the alarm button light 89 Checking the display 89 Checking the status screen for errors 90 Checking the date and time 90 Checking the Battery operation alarm 90 Checking the leakage alarm 90 Checking Frequency too high alarm 90 Maintenance and safety related test SRT 91 Disposal 92 Device 92 Packaging 92 Oxygen sensor 92 Ac...

Страница 7: ...e filter TRENDvent ventilator Functional bag Mains cable Valve tube system with expiration valve Leakage tube system with pressure measuring tube and 2 plugs Spare filter cassette Adapter for oxygen connection straight User s manual and brief instructions Microfibre cloth CLICKpad ...

Страница 8: ...close to the device so that you can refer to it immediately if necessary SYMBOLS ON THE RATING PLATE Observe the warning and safety instructions in the user s manual BF application part Protection class II protective insulation CE conformity declaration Manufacturer Do not dispose of the device with the household waste Please contact the relevant customer services department to find out how to dis...

Страница 9: ...enotes general safety instructions Follow these instruc tions to avoid accidents personal injury or material damage This symbol denotes hazardous situations that lead to serious inju ries or death This symbol denotes hazardous situations that may lead to serious injuries or death This symbol denotes hazardous situations that may lead to moder ately severe injuries This symbol denotes situations th...

Страница 10: ...ll times and be usable by the attending person The device must only be used on the responsibility and prescription of the physician The device must only be used on patients whose clinical picture requires its application Please take the utmost care to ensure that the patient remains connected to the tubing system during ventila tion The device must not be used with flammable anes thetics or ambien...

Страница 11: ...the controlled expiration valve must not meet any resistance during exhalation and must enable quick ventilation of the ventilation tube system Please observe the expiration date when using a bacterial filter In order to ensure patient safety the device must be operated in such a way that all adjustable alarms are activated and adjusted to the patient Acoustic alarms must not be ignored They indic...

Страница 12: ...r components to the respiratory system of the ventilator can lead to increased expiratory pressure at the patient connec tion opening Please ensure that the total resistance of the ventila tion system does not exceed 6 hPa with a flow of 60 l min for adults and 30 l min for children Any modification to the device poses a threat to its serviceability and is not permitted Masks may only be used on t...

Страница 13: ...the device The use of accessories or power supplies not approved for the ventilator may lead to increased emission of electromagnetic radiation or reduced resistance to interference During certain examinations or treatments mutual interference between the ventilator and other medical devices may occur Observe the information regard ing electromagnetic compatibility and monitor the devices with reg...

Страница 14: ...ects must be placed on the device Place the device in such a way that the mains plug is easily accessible so that it can be unplugged quickly in the event of a hazard The device must not be exposed to direct sunlight The system must never be stored or transported t ambient temperatures under 10 C and over 50 C Due to electromagnetic interference the ventilator must not be set up in the immediate v...

Страница 15: ...e the device if the housing or the cable of the device or the power supply are damaged The ventilation system including all accessories such as humidifiers bacterial filters etc must be checked for leaks before ventilation Leaks may lead to per sonal injury or inadequate therapy Clean and check all accessories regularly particularly the tube mask system When doing this observe the manufacturer s s...

Страница 16: ...orts and surfaces near the oxygen lines are free of grease Do not smoke and do not handle naked flames When using oxygen an increased oxygen concentration in the ambient air can occur If the patient is supplied with oxygen via the device the FiO2 should be measured The FiO2 can be measured using the oxygen sensor optionally available from HOFFRICHTER We recom mend the exclusive use of these sensor...

Страница 17: ...xygen supply should be stopped before the ventilation is interrupted We further recommend that after stopping the ventilation the device is allowed to run for several respiratory cycles without an oxygen supply In the event of an oxygen leak the oxygen supply should be closed off immediately The room must immediately be ventilated At the same time any sparks fire or potential sources of fire in th...

Страница 18: ...of 50 ml onwards and can be used both in the home or clinic The ventilation can be invasive e g via a tracheotomy as well as non inva sive via a mask The device fulfils the technical requirements to be oper ated with a leakage tube system or a valve tube system with expiration valve as required For ventilation with increased oxygen concentrations the device can be connected to a low pressure gas s...

Страница 19: ...or non invasive ven tilation Severe cardiac arrhythmia Severe hypotension Severe epistaxis Pneumothorax or pneumomediastinum Pneumoencephalus Cranial trauma Status after cranial or brain surgery Acute inflammation of the paranasal sinuses middle ear infection or a perforated ear drum Aspiration hazard In individual cases the attending physician must decide on the therapy ...

Страница 20: ...lications due to tube tracheal cannula Mask ventilation Pressure points and skin defects in the face Eye irritation due to leaks Gastric inflation Aspiration Sinusitis Nose bleeds General complications of mechanical ventilation Pulmonary barotrauma volutrauma caused by ventilation Ventilator associated pneumonia Effects on the cardio vascular system ...

Страница 21: ...alves compressed air distribution Power supply Controller control and operating unit Interfaces Oxygen supply Humidifier Tube system Controls Display Accessories PC Internal battery Sensors valves Remote alarm Nurse call DC Communication Blower Switching power supply 100 240 V AC 20 10 Controller control and operating unit Fig 1 Block diagram of entire device ...

Страница 22: ...e air inlet side there is an air filter cassette with a coarse and a fine filter Power supply The device is supplied with power via an AC DC switching power supply or the internal battery The device can also be provided with an external power supply using the AKKUPACK uni Ask your specialist dealer about this ...

Страница 23: ...r optional Oxygen block including 3 2 directional valve and self locking con nection Pressure measuring tube connection 3 5 mm Control pressure tube connection 4 5 mm Connection for oxygen sensor jack 2 5 mm Proportional valve Pressure sen sors excess pressure switch Air inlet Air outlet Blower Switch Filter Control unit Valve Non return valve Flow sensor Oxygen connection Pressure measuring tube ...

Страница 24: ...r connection to a PC This interface enables the PC software VENTcontrol to be used to communicate with the device and software updates can be carried out There is also a con nection for the nurse call or a remote alarm box For servicing the device has an RS232 interface ...

Страница 25: ...ient air Parameter measurement The device s analog measurements are read in and analyzed Target val ues are calculated on the basis of the set parameters and or ventilation modes Then the target values are transferred to the motor control via a digital to analog converter DAC The proximal pressure the valve control pressure and inspiration flow are measured This data is used to calculate the inspi...

Страница 26: ...present the alarm sound is switched off The message is displayed until the alarm is confirmed by pressing the alarm button on the display All alarms are saved in the device For further information about the alarms refer to Alarms and error mes sages as of page 76 NURSE CALL AND REMOTE ALARM To monitor the device during ventilation the optionally available remote alarm box or in hospital nurse call...

Страница 27: ...sted Pressure Controlled Ventilation PSV Pressure Supported Ventilation PSV S Pressure Supported Ventilation Spontaneous CPAP Continuous Positive Airway Pressure Leakage tube system Mode Description CPAP Continuous Positive Airway Pressure S Spontaneous Ventilation T Timed Ventilation ST Spontaneous and Timed Ventilation Table 1 Valve tube system ventilation modes Table 2 Leakage tube system venti...

Страница 28: ... the patient is ventilated The pressure increase can be selected by setting a ramp The inspiration volume adjusts itself to the condition of the lungs compliance and resistance To safeguard a minimum volume Vt min a value can be preset with the option of using additional pressure IPAP additional pressure to reach this minimum volume Specifi ed pressure IPAP Time PEEP Controlled Inspiration Control...

Страница 29: ...ese additional breaths are as in purely controlled ven tilation controlled exclusively through the device The inspiration time is predefined The patient s own respiratory effort is only able to shorten the expiration time and thereby increase the set frequency Specifi ed pressure IPAP Time PEEP Controlled Inspiration Spontaneous respiration triggger Assisted Inspiration Assisted Inspiration Contro...

Страница 30: ...on until spontaneous respiration is registered again To allow pauses between the spontaneous respiratory efforts of the patient a delay of the time of the start of mechanical respiration is possible by setting an apnea time The increase in pressure between PEEP and IPAP can be selected by setting a ramp which prescribes the form of the flow curve The tidal volume adjusts itself to the condition of...

Страница 31: ... only reacts to the patient s spontaneous respiration CPAP MODE In the CPAP mode the device provides continuous positive pressure Specifi ed pressure IPAP Time S MODE In its adjustable ventilation parameters the S mode corresponds to the PSV S mode T MODE In its adjustable ventilation parameters the T mode corresponds to the PCV mode and with a set inspiration trigger to the APCV mode ST MODE In i...

Страница 32: ...nection Oxygen sensor cable connection jack 2 5 mm Connection for tube system humidifier Display Operating unit Unlocking button for humidifier Handle Contact sockets for humidifier Control tube connection 4 5 mm Pressure measuring tube connection 3 5 mm Oxygen output Fig 7 Front view of device ...

Страница 33: ... integrated filter cassette fine and coarse filter detachable Tube system switch Sign for power supply DC 24V 5A Mains socket Com Service connection RS232 interface RJ11 PC connection USB interface Remote alarm LED Remote alarm connection RJ10 Fig 8 Rear view of device ...

Страница 34: ... Description of device OPERATING UNIT OPERATING UNIT ELEMENTS Fig 9 Operating unit elements Battery LED esc button Touch wheel Cursor buttons OK button Heating button ON OFF button Alarm button Power LED ...

Страница 35: ...he battery LED provides information about the capacity of the internal battery Color Condition Device Capacity green lit on 80 yellow lit on 30 red lit on 30 red flashing on Battery error green flashing off 80 Battery charging yellow flashing off 30 Battery charging red flashing off 30 Battery charging yellow lit off Battery charging error capacity 80 red lit off Battery charging error capacity 30...

Страница 36: ...to navigate in a rotary motion through the menus and to the menu items The touch wheel can also be used to change parameter values Cursor buttons Use the cursor buttons to navigate through the menus and menu items by touch The cursor buttons can also be used to change parameter values Short touch changes the parameter value by 1 step Long touch scrolls through the parameter values OK button Use th...

Страница 37: ...number of functions Event Condition Confirmation of a power failure alarm Power failure Confirmation of all current alarms and switching alarm sound off Active alarms Confirmation of no longer active alarms Saved alarms Supressing the alarm sound for 2 min None Cancel alarm sound suppression Paused alarm sound mute If several of these events occur at the same time pressing the button confirms only...

Страница 38: ...ies Never operate the device without the air filter Only use original HOFFRICHTER filters If the device was previously in an environment where the air temperature was very different from the operating location you should wait approximately 1 2 an hour before commissioning until the temperatures have evened out SETTING UP THE DEVICE Place the device on a flat and stable surface The device can also ...

Страница 39: ... adhered to Set the alarm sound to maximum volume Make sure that the alarm button is visible through the viewing window and that the bag s ventilation openings are not blocked The air supply for the device must be guaranteed at all times Use the bag in such a way that the device is protected from overheating dust and water All accessories connected such as tube filter supply lines etc must be arra...

Страница 40: ... may be used for operating the device from the mains 1 Insert the power plug into the mains socket on the rear of the device 2 Connect the mains cable to the power supply 3 Plug the mains cable into a power socket 4 The power LED lights up green and the battery LED shows the cur rent charge status 5 Switch the ventilator on using the main switch As soon as the ventilator is connected to a power su...

Страница 41: ...ry the device can be operated at factory set tings for a maximum of 5 5 hours At maximum power consumption the internal battery enables an operating time of at least 1 hour The battery LED see page 35 and the battery symbol see page 59 provide more infor mation about the battery s capacity If the alarm Internal Battery low appears the ventilator must imme diately be connected to an alternative pow...

Страница 42: ...power supply Before initial commissioning you must read the user s manual for AKKUPACK uni BASE The AKKUPACK uni BASE enables the device to be operated indepen dently of the mains power supply The battery pack is optionally available as an accessory To supply the battery pack with power use the power cable and the power supply unit of the ventilator If the battery pack is connected to the venti la...

Страница 43: ...ulling it from the device see Fig 12 3 Set the switch to the correct position For the use of a valve tube system place the switch by gently lifting and turning into the lower position see Fig 13 For the use of a leakage tube system place the switch by gently lifting and turning into the upper position see Fig 14 4 Replace the cover for the air inlet Fig 12 Removing the air inlet cover Fig 13 Switc...

Страница 44: ... been set up for the use of a valve tube system see page 43 2 Attach the ventilation tube with the device connection side to the device s tube connection 3 Attach the valve control tube for the expiration valve to the control tube connection 4 Attach the pressure measuring tube to the pressure measuring tube connection When a nasal or full face mask is used for non invasive ventilation this mask m...

Страница 45: ...ttach the pressure measuring tube to the pressure measuring tube connection The leakage system must always provide the possibility for exhalation Exhalation may either be possible via a respiratory mask with an integrated exhalation valve or a separate exhalation system The expiration valve must be open during ventilation Ensure that the opening is not covered as the expiration air can otherwise n...

Страница 46: ...t of the humidi fier are fitted to the device without being skewed and distorted If the device is set for operation with a valve tube system the following mes sage appears 2 Confirm the message by pressing the OK button 3 Attach the ventilation tube to the humidifier s tube connection It is imperative that before using the AquaTREND uni humidifier you read the safety and cleaning instructions in t...

Страница 47: ...erial filter daily and follow the manufacturer s user s manual If the optionally available AquaTREND uni humidifier is used during ventilation a bacterial filter may not be used CONNECTING THE REMOTE ALARM BOX NURSE CALL 1 Pull off the rubber cover a on the rear of the device 2 Attach the remote alarm box nurse call to the middle socket b If a remote alarm box is connected the remote alarm LED c l...

Страница 48: ...device position I A signal sounds A hardware test is carried out internally and the parameters are tested for plausibility If the hardware test is successful the device switches to the patient screen In case of an error the status screen is displayed and the error is indicated by the display Error The device carries out a self test of the alarm button The button lights up in the following order wh...

Страница 49: ...using the main switch on the rear of the device setting 0 After switching off all parameters set are retained If you switch off the device during running ventilation a signal sounds and the display shows the query Continue ventilation 1 Press the OK button The message ATTENTION Main Switch OFF appears 2 Switch the ventilator on again using the main switch Stop ventilation 1 Press the cursor to sel...

Страница 50: ...Ventilation starts The ON OFF button lights up green and the pressure bar can be seen in the patient screen If the patient screen is not active the current ventilation parameters are shown at the bottom of the dis play STOPPING VENTILATION 1 Press the ON OFF button during running ventilation A signal sounds and the display shows the query 2 Press the cursor to select Yes followed by the OK button ...

Страница 51: ...wheel 3 Press the OK button 4 Set the desired heating level using the cursors or or the touch wheel You can select a value between 1 to 5 Level 1 represents the lowest heat output and level 5 represents the maximum heat output 5 Confirm the settings using the OK button If the humidifier is connected the heating level can also be set as follows 1 Press the heating button for 3 s The menu item Heati...

Страница 52: ... heating before starting ventilation in order to preheat the water If the device is in standby operation the heating is switched off after 1 hour for safety reasons SWITCHING OFF THE HEATING To switch the heating off press the heating button The color of the heat ing button changes from green to white If the humidifier is in heating mode during ventilation and you stop venti lation the humidifier ...

Страница 53: ...nect the tube from the oxygen source to the oxygen connection adapter 2 Insert the oxygen connection adapter into the oxygen connection Only the oxygen connection adapter supplied may be used to connect oxygen Otherwise there is a risk that the back stop in the connection is damaged 3 Switch the device on 4 Start ventilation and wait for several respiratory cycles 5 Start supplying the oxygen STOP...

Страница 54: ... the oxygen sensor at the top The alarm button lights up yellow 7 Switch the ventilator on When the device is started the oxygen sen sor is automatically calibrated and the alarm button is no longer lit It is calibrated against the ambient air This presumes an oxygen con tent of 21 If the sensor is connected after the device is started the message Calibrate O2 Sensor appears on the display The cal...

Страница 55: ...manufacture applies for oxygen sensors supplied by HOFFRICHTER The service life of the sensors is 6 months After that the oxygen sensor must be replaced by a new one The date of manufacture can be found on the oxygen sensor For the longest possible sensor service life we recommend storage at 15 C to 5 C ...

Страница 56: ... operating structure is represented in the fol lowing figure As soon as your hand comes near to the operating unit the control elements and the display light up Ventilation sets Comfort screen Alarm screen Counter screen Service screen Status screen or on alarm to last active screen or Patient screen Curve screen Fig 24 Operating concept ...

Страница 57: ... time The manual activation procedure is as follows 1 Press the esc button appears alternating in the symbol area 2 As long as the symbol is visible press the OK button Thereupon remains visible and the safety lock is active If you do not press the OK button the symbol disappears after several seconds without the safety lock being activated and is then active again DEACTIVATING THE SAFETY LOCK Whi...

Страница 58: ... patient screen During ventilation the pressure bar provides constant information about the pressure profile Additionally all relevant information such as alarms battery capacity status information etc is displayed If no controls are actuated for 20 seconds the device automatically switches back to the patient screen In the curve screen the switch only occurs in case of an alarm Pressure bar Activ...

Страница 59: ...sing the alarm button can deactivate the alarm sound before an alarm is triggered Pressing the button once more activates the alarm sound again when an alarm occurs The safety lock is active The safety lock is inactive A continuous change from a closed to an open lock means that the safety lock can be either activated or deactivated For further information refer to page 57 onwards Once this symbol...

Страница 60: ...remains visible during the entire inspiration time and vanishes with the start of expiration The symbol shows that the trigger lock is activated CHANGING THE VENTILATION SET Depending on the number of ventilation sets recorded a different ventilation set can be activated in the patient screen To do this proceed as follows 1 Select Active Set using the cursor or or the touch wheel 2 Press the OK bu...

Страница 61: ...ss the esc button In the case of an alarm the display automatically returns to the patient screen in order to show the alarm message Measured value Unit of the measured value Active ventilation mode Status of curve recording Symbol area Progress bar indicates the current ventilation status Time Curve recorded for the selected ventilation parameter Time axis of the curve chart in seconds Time of tr...

Страница 62: ...the time axis is indicated by the follow ing symbol FREEZING THE CURVE SCREEN To analyze and evaluate the curves it is possible to freeze the current curve recording To do this press the OK button This symbol indicates that the curve is frozen To start recording the curves again press the OK button The curve record ing subsequently starts again at zero SCALING THE TIME AXIS The scaling of the time...

Страница 63: ...ured by the physician Depending on this you have 1 to 3 ventilation sets Pressure bar only visible during ventilation Ventilation parameter Indication that by pressing the cursor further screens can be displayed Scroll bar Display of the active set Measured values of the running ventilation only visible during ventilation Active ventilation mode Fig 28 Ventilation set 1 ...

Страница 64: ...s follows 1 Activate the desired ventilation set using the cursors or 2 Select Activate Set using the cursor or touch wheel 3 Press the OK button This query appears 4 Press the cursor to select Yes followed by the OK button You can also activate a different ventilation set directly in the patient screen see Changing the ventilation set on page 60 Fig 29 Activating the ventilation set ...

Страница 65: ...vel Automatic Start Duration of the softstart ramp Softstart Duration of the mask test Mask Test Time Pressure bar only visible during ventilation Adjustable parameters Indication that by pressing the cursor further screens can be displayed Indication that by pressing the cursor further screens can be displayed Scroll bar Measured values of the running ventilation only visible during ventilation A...

Страница 66: ...eaching point 9 you leave the menu item Date by pressing the esc button all changes are lost and the existing date is retained CHANGING THE TIME 1 Activate the comfort screen using the cursors or 2 Select Time using the cursor or touch wheel 3 Press the OK button 4 Set the hour using the cursors or or the touch wheel 5 Press the OK button 6 Set the minutes using the cursors or or the touch wheel 7...

Страница 67: ...alls off or uncompensatable leaks occur ventilation continues and a signal sounds 1 Activate the comfort screen using the cursors or 2 Select Automatic start using the cursor or the touch wheel 3 Press the OK button 4 Set the start automatic to ON or OFF using the cursors or or the touch wheel 5 Confirm the settings using the OK button Fig 33 Setting the automatic start ...

Страница 68: ... tube system 2 hPa A PCV PSV S 4 hPa 0 hPa S T ST 4 hPa 2 hPa Table 9 Starting ramp pressures 1 Activate the comfort screen using the cursors or 2 Select Softstart using the cursor or the touch wheel 3 Press the OK button 4 Set the desired time using the cursors or or the touch wheel The maximum time is preset by the physician 5 Confirm the settings using the OK button IPAP 0 IPAP IPAP 4 PEEP PEEP...

Страница 69: ...ursors or 2 Select Mask Test Time using the cursor or touch wheel 3 Press the OK button 4 Set the desired time using the cursors or or the touch wheel You can select a value between 5 to 90 s In the OFF setting no mask test is carried out 5 Confirm the settings using the OK button IPAP additional pressure 0 Mask test Softstart Time min Pressure hPa STARTING THE MASK TEST To start the mask test put...

Страница 70: ...ton 4 Set the desired volume using the cursors or or the touch wheel 3 settings are possible quiet medium loud 5 Confirm the settings using the OK button An alarm sounds at the set volume If you do not hear an alarm sound the device must not be used as the acoustic alarms may be faulty Have the device checked by an authorized service technician Fig 37 Setting the volume of the alarms ...

Страница 71: ...ttings using the OK button When a button is pressed the background brightness is automatically increased to 100 SETTING THE CONTRAST OF THE DISPLAY The contrast is the brightness ratio between the display background and elements such as text symbols diagrams etc 1 Activate the comfort screen using the cursors or 2 Select Contrast using the cursor or touch wheel 3 Press the OK button 4 Set the desi...

Страница 72: ...ring ventilation Measured values at time of alarm Location where alarm shown is saved Total alarms Date and time of selected alarm Alarm cause Indication that by pressing the cursor further screens can be displayed Indication that by pressing the cursor further screens can be displayed Measured values of the run ning ventilation only visible during ventilation Active ventilation mode Fig 40 Alarm ...

Страница 73: ... Total ventilation time Ventilation running time since last reset Total device running time Blower running time Indication that by pressing the cursor further screens can be displayed Indication that by pressing the cursor further screens can be displayed Measured values of the running ventilation only visible during ventilation Active ventilation mode Fig 41 Counter screen ...

Страница 74: ...screen you can undertake the manual O2 sensor calibra tion see page 54 Indication that by pressing the cursor further screens can be displayed Indication that by pressing the cursor further screens can be displayed Active ventilation mode Fig 42 Service screen ...

Страница 75: ...serial number and the software version The parameters in the status screen are purely for information and can not be changed Pressure bar only visible during ventilation Scroll bar Status parameters Indication that by pressing the cursor further screens can be displayed Measured values of the running ventilation only visible during ventilation Active ventilation mode Fig 43 Status screen ...

Страница 76: ...or acoustically Optionally medium and high priority alarms can be emitted via a remote alarm VISUAL ALARMS Visual alarms and error messages are displayed via the alarm button and as highlighted flashing text Depending on the priority of the alarm the alarm button flashes as follows Priority HIGH 10 pulses fast repeated every 5 seconds red flashes with 2 Hz Priority MEDIUM 3 pulses slow repeated ev...

Страница 77: ...alarms is also suppressed One exception is the alarm for Internal Battery empty which cannot be muted The alarm button continues to visually indicate the alarm even while the alarm sound is suppressed If the cause of the alarm is not remedied the alarm sounds again after 2 minutes The alarm sound can be suppressed even before the occurrence of an alarm situation by pressing the alarm button e g be...

Страница 78: ...an Max Frequency 3 breaths consecutively Apnea HIGH Set apnea time exceeded only with frequency OFF none Leakage HIGH Leakage greater than set leakage volume too great for 3 breaths or flow greater 1 l s 2 l s in CPAP mode Max Volume Volume too high HIGH Tidal volume greater than Max Volume 3 breaths consecutively Min Volume Volume too low HIGH Tidal volume smaller than Min Volume 3 breaths consec...

Страница 79: ...d Operating Voltage MEDIUM Values outside valid ranges 5 except backup battery Device must be serviced O2 Sensor LOW Offset values of the sensor are outside valid range Replace oxygen sensor Calibration data LOW Incorrect calibration data Device must be serviced RTC Value range infringement in time Device must be serviced Flash Error in Flash memory Device must be serviced RAM Error in RAM memory ...

Страница 80: ...e setting of tube system on rear of device or replace tube system Control tube is not con nected to the device Connect the control tube to the device Incorrect Tube System HIGH Incorrect tube system connected valve tube Change setting of tube system on rear of device or replace tube system Disconnec tion HIGH Ventilation tube of the tube system is not connected to the device Connect ventilation tu...

Страница 81: ... 60 hPa Device must be serviced Device error Emergency ventilation Check Expiration Outlet MEDIUM Expiration opening in the mask is absent or blocked only with leakage tube Use mask with expiration opening or check expira tion opening Error O2 Sen sor MEDIUM Sensor defective Exchange or recalibrate oxygen sensor Calibration error Calibrate O2 Sensor LOW Oxygen sensor plugged in after device was tu...

Страница 82: ...p or cooled down Hardware error Device must be serviced FURTHER MESSAGES Message Priority Cause Battery Operation Device was removed from the mains and is now running on internal battery confirm the message by pressing the alarm button Safety Mode active Patient not breathing spontaneously mini mum frequency safeguard via the device only in PSV and ST mode Switch OFF Ventilation Yes No HIGH ON OFF...

Страница 83: ...g location of the alarms and the total number of alarms are highlighted with a black bar 4 Select the desired alarm using the cursors or in order to view the alarm time alarm cause and measured values at the time of alarm FORWARDING ALARMS Alarms can be forwarded by means of a nurse call or the optionally available remote alarm box This allows even better monitoring of the device to be achieved in...

Страница 84: ...ded for the device Do not use any aggressive or abrasive cleaning agents e g acetone Do not immerse the device in water or solvents Follow the accessory manufacturer s instructions about cleaning and disinfection Never operate the device without the air filter Only use original HOFFRICHTER filters CLEANING THE DEVICE For cleaning the surface of the device use a cloth moistened with soapy water The...

Страница 85: ... Let the filter dry completely in the air Instead of cleaning the filter you can insert a new one or replace the entire filter cassette with a new one The white fine filter cannot be cleaned It should be inspected visually weekly and replaced monthly or more frequently if heavily soiled To do this proceed as follows 1 Pull the cover of the air inlet from the device as shown in Fig 47 2 Slide the f...

Страница 86: ...ar water 4 Let the mask dry completely in the air Heavily worn or damaged masks must not be reused and should be disposed of correctly CLEANING THE TUBE SYSTEM A heavily worn or damaged tube system should be disposed of cor rectly and replaced by a new one VALVE TUBE SYSTEM The tube system supplied is intended for use on one patient only It must not be cleaned and used for other patients When usin...

Страница 87: ...Rinse the leakage tube thoroughly with clear water 5 Let the leakage tube dry completely in the air CLEANING THE OXYGEN SENSOR When necessary clean the oxygen sensor with a damp cloth Before recon necting the oxygen sensor leave it to dry completely in the air Do not use any cleaning solution and do not sterilize the oxygen sensor CLEANING THE HUMIDIFIER Clean or disinfect the AquaTREND uni humidi...

Страница 88: ...human pathogens If MRSA contamination is suspected the device must be packaged with the appropriate labeling and disinfected accordingly If the accessories e g tube system mask filter humidifier etc are intended for repeated use the manufacturer s provisions must be followed The hygienic preparation is described in the hygiene concept and may only carried out by an authorized service agency ...

Страница 89: ...switch on the rear of the device setting I 4 Start ventilation by pressing the ON OFF key CHECKING THE ACOUSTIC ALARM Switch the ventilator on using the main switch on the rear of the device setting I A signal must sound CHECKING THE ALARM BUTTON LIGHT After the device is started it carries out a self test of the alarm button The button must light up in the following order white red yellow white T...

Страница 90: ...e the device from the mains power An alarm must sound and the message Battery Operation must appear in the display CHECKING THE LEAKAGE ALARM Remove the test lung from the device After at most 15 seconds an alarm must sound and the message Leakage must appear in the display CHECKING FREQUENCY TOO HIGH ALARM Select PSV as the ventilation mode Set the frequency to 12 bpm and the alarm parameter Max ...

Страница 91: ...es performed are to be recorded To maintain and check the device functions the device must be subjected to an annual maintenance or safety related test carried out by an autho rized service technician The maintenance intervals and all necessary tasks are described in detail in the service manual ...

Страница 92: ...es natural resources and prevents harmful substances being released into the environment PACKAGING The packaging is taken back by the distributor but it can alternatively be disposed of separately with the normal household waste OXYGEN SENSOR The oxygen sensor must not be disposed of with the household waste Please contact the relevant customer services department to find out how to dispose of the...

Страница 93: ...connection adapter straight 4100 0104 Microfibre cloth CLICKpad 0001 4123 User s manual 5000 0397 Brief instructions 5000 0405 Optional Article number Valve tube system for children 15 mm 1 50 m 0001 4923 FiO2 measuring set oxygen sensor T adapter housing gas duct oxygen sensor connection cable 0000 4944 Oxygen sensor 2300 0018 T adapter 2300 0019 Housing gas duct 2300 0020 Oxygen sensor connectio...

Страница 94: ...licone CPAP full face mask size M 0000 3436 Silicone CPAP full face mask size L 0000 3437 Silicone NIPPV full face mask size S 0000 3461 Silicone NIPPV full face mask size M 0000 3442 Silicone NIPPV full face mask size L 0000 3438 Silicone NIPPV full face mask size XL 0000 3462 Silicone NIPPV PSU full face mask size L autoclavable 0000 3439 For ordering of accessories please contact a HOFFRICHTER ...

Страница 95: ...l protection Class II type BF Comfort parameter settings Factory settings Settings range Settings steps Display brightness 10 0 to 100 10 Display contrast 5 1 to 10 1 Level Alarm volume quiet medium loud Softstart OFF OFF 1 to 60 min 1 min Mask test time OFF OFF 5 to 90 sec 5 sec Start automatic OFF OFF ON Heating level 3 1 to 5 1 Level Specifications and performance Dimensions W x D x H 330 x 280...

Страница 96: ... tube system 1 0 hPa Valve tube system 1 6 hPa Valve tube system 1 7 hPa Total resistance of the system 6 hPa Resistance at 60 l min without humidifier with humidifier Inspiratory and expiratory resistance of the device at the patient connection port Leakage tube system 2 7 hPa Leakage tube system 3 0 hPa Valve tube system 4 0 hPa Valve tube system 4 7 hPa Total resistance of the system 6 hPa ...

Страница 97: ...Storage conditions Store in a dry vibration free place in an upright position store device and acces sories in their original packaging Technical requirements for accessories CE mark required Oxygen inlet Connection type Quick connect coupling Pressure 1000 hPa Flow 15 l min Bacterial filter Connections 22 15 mm cone acc to EN1281 1 Resistance 2 3 hPa at 60 l min Compressible volume 66 ml Internal...

Страница 98: ...er emissions acc to IEC 61000 3 3 Complies Guidance and manufacturer s declaration electromagnetic immunity The TRENDvent ventilator is intended for use in the electromagnetic environment specified below The user 1 of the TRENDvent ventilator should assure that it is used in such an environment Immunity test IEC 60601 Test level Compliance level Electromagnetic environment guidance Electrostatic d...

Страница 99: ...ial or hospital environment If the user of the TRENDvent ventilator requires continued operation during power mains interruption it is recommended that the TRENDvent ventila tor is powered from an uninterrupted power supply UPS or a battery Power frequency 50 60 Hz magnetic field acc to IEC 61000 4 8 3 A m 3 A m Power frequency magnetic fields should be at levels characteristic of a typical locati...

Страница 100: ... higher frequency range is essential Note 3 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflection from structures objects and people a The field strengths from fixed transmitters such as base stations for radio cellular cordless telephones and land mobile radios amateur radio AM and FM radio broadcast and TV broadcast cannot be predic...

Страница 101: ... distance according to frequency of transmitter m 150 kHz 80 MHz d 1 16 P 80 MHz 800 MHz d 1 16 P 800 MHz 2 5 GHz d 2 33 P 0 01 0 12 0 12 0 23 0 1 0 37 0 37 0 743 1 1 17 1 17 2 3 10 3 69 3 69 7 38 100 11 67 11 67 23 33 For transmitters rated at a maximum output power not listed above the recommended separation distance d in meters m can be estimated using the equation applicable to the frequency o...

Страница 102: ... and maintenance are carried out by persons not authorized by us other manufacturers accessories and spare parts are used that have not been approved by us for use on the product the product is used other than as described in the user s manual or the hygiene and cleaning instructions described in the user s manual have not been complied with Statutory guarantee rights remain unaffected by this ...

Страница 103: ...Notes 103 NOTES ...

Страница 104: ...FFRICHTER GmbH Mettenheimer Strasse 12 14 19061 Schwerin Germany Phone 49 385 39925 0 Fax 49 385 39925 25 E mail info hoffrichter de www hoffrichter de TRENDvent Patient ENG_2013 02 06_09 Art no 5000 0397 ...

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