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Summary of Contents for Weinmann BiLevel ST 22
- Page 1 Description of unit and operating instructions for patients BiLevel ST 22 BiLevel ST - Home Ventilation Unit WM 27500...
- Page 2 Overview BiLevel ST 22 1 Bacteria filter 11 Drying adapter 17 Hood 2 Power supply 16 Nasal mask 3 Power supply cable 15 Exhalation system 10 Sealing plugs (2x) 4 Cable securing clip 9 Unit outlet 14 Hose system 5 Handle...
- Page 3 VENTIpower 7 Control panel and display This is where the connecting cable for the power For controlling and monitoring the BiLevel ST 22 supply is connected. For connecting mains- and the connected accessories. independent power supply VENTIpower supplied as an accessory.
- Page 4 Available as an accessory, used to supply oxygen 29 VENTIpower (Accessories) to the nasal mask. Available as an accessory, provides a mains- independent power supply for BiLevel ST 22. Standard display during therapy: 1 Status line 2 Soft start symbol...
- Page 5 Symbols used in the display Symbol Meaning Status line: Soft start active, remaining time highlighted Filter change necessary Service required Main window: Medium priority alarm triggered Abbreviations used in the display Symbol Meaning Status line: S mode active T mode active ST mode active CPAP CPAP mode active...
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Page 6: Table Of Contents
12. Declaration of Conformity ..52 4.1 BiLevel ST 22 startup ..19 13. Index ..... .53 4.2 Activate/deactivate the auto... -
Page 7: Description Of Unit
Only use the unit for the purposes described here. 1.2 User qualification The settings on BiLevel ST 22 may only be set by a doctor and to suit the individual patient. When handing over BiLevel ST 22 to the patient, the doctor treating the patient or the clinic staff must instruct the patient on how the unit works. - Page 8 IPAP and EPAP pressures set by the doctor. Therapy modes BiLevel ST 22 can be operated in four therapy modes: S, T, ST, CPAP. Your doctor will set the mode required for your therapy on the unit. In the time-controlled mode T and the assisted-controlled mode ST your doctor can adjust the respiratory rate to within a range of 6 to 45 breaths per minute and the inspiration time to within a range of 20 % to 67 % of the respiratory cycle.
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Page 9: Safety Instructions
Always secure the mains socket on the power supply using the cable securing clip to prevent unintentional removal of the plug. • BiLevel ST 22 must be connected to an easily accessible socket, so that in the event of a failure, the mains plug can be quickly removed. •... - Page 10 If a pneumotachograph with a high flow resistance is used when starting therapy or for flow checking purposes, this can lead to a limitation of the trigger function of the BiLevel ST 22. If you have any questions please contact Weinmann.
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Page 11: Contraindications
2.2 Contraindications The BiLevel ST 22 should not be used if the patient is suffering from one of the following illnesses (or only with particular caution). In each case the decision whether to use BiLevel ST 22 for therapy lies with the doctor in charge. -
Page 12: Side Effects
2.3 Side effects When using BiLevel ST 22 the following undesirable side effects may occur during short-term and long-term usage: • Pressure points on the face caused by the nasal mask and the forehead padding • Reddening of the skin on face •... -
Page 13: Special Markings On The Unit
2.4 Special markings on the unit Front Unit outlet: emission of ambient air at 4 - 22 hPa Socket: electrical connection for the VENTIclick humidifier, WM 24365; Max. power consumption at 40V: 600 mA Back Service label: indicates when the next service is due. Unit inlet: allows air at room temperature to enter Voltage supply with power supply WM 24790: 12 V/40 V DC Connection for mains-independent operation with VENTIpower, WM 24100... - Page 14 Name plate Do not dispose of the unit as domestic waste! Protection class B Protection class II, double insulation Year built Refer to Operating Instructions Safety instructions...
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Page 15: Setting Up The Unit
1. Plug the power supply cable into the supply connection of the BiLevel ST 22. Then plug the power supply into a socket outlet (using the power supply cable). -
Page 16: Fitting The Mask
3.2 Fitting the mask BiLevel ST 22 is designed for operation with nasal, oronasal and full face masks. To fit the nasal mask, proceed as follows: 1. Adjust the forehead support (if fitted) of the mask. 2. Connect the headgear to the mask and put the mask on. - Page 17 The introduction of oxygen for the BiLevel ST 22 is only permitted using the VENTI- oxygen valve. This valve enables up to 4 l/min of oxygen to be introduced. If there is a fault, the VENTI-O releases the oxygen into the atmosphere.
- Page 18 Bacteria filter If BiLevel ST 22 is to be used by several patients (e.g. in a hospital), the WM 24148 bacteria filter must be used to protect against infection. It is connected between the hose system and the BiLevel ST 22 or VENTIclick.
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Page 19: Operation
3. Press the On/Off switch . If auto switch-on is activated, you can also put on the mask and turn BiLevel ST 22 on by breathing (see "4.2 Activate/ deactivate the auto switch-on" on page 20). BiLevel ST 22 The operating hours and the Weinmann software version appear for approx. -
Page 20: Activate/Deactivate The Auto Switch-On
4.2 Activate/deactivate the auto switch-on If auto switch-on is activated, you can turn on BiLevel ST 22 using the On/Off switch or by “breathing”. You can only turn off BiLevel ST 22 using the On/Off switch Activate auto switch-on 1. -
Page 21: Setting Soft Start
– as described in „ Activate auto switch-on“. If auto switch-on is switched off, you will only be able to turn BiLevel ST 22 on using the key 4.3 Setting Soft start If your doctor has enabled the Soft start function, the Soft start time can be selected in 5-minute increments up to a maximum time of 30 minutes. -
Page 22: Setting The Humidifier
Note BiLevel ST 22 starts automatically in Soft start mode if this was activated when the unit was last used. Soft start can be switched on and off at any time by briefly pressing the Soft start key 4.4 Setting the humidifier... -
Page 23: After Usage
2 seconds to turn the unit off. The fan switches off and the duration of the last therapy session appears on the display. The unit then switches to standby mode. “Weinmann BiLevel ST 22” appears in the display. 3. Remove the tube connection and if necessary the exhalation system from the nasal mask. -
Page 24: Traveling With Bilevel St 22
Operating Instructions with you. If you want to take BiLevel ST 22 with you on a flight, please make sure you are familiar with the necessary regulations before departure. An air transportation certificate can be obtained from Weinmann. -
Page 25: Intervals
5. Hygienic preparation 5.1 Intervals Check the filters at regular intervals and wipe the housing and filter compartment lid. Head gear (hood and straps) can also be washed if required. Please also observe the following intervals: Interval Activity – Clean hose system (see "5.2 Cleaning" on page 26) In accordance with the relevant Operating Instructions: Daily –... -
Page 26: Cleaning
6. Hang up the hose system and allow it to drip to prevent moisture from getting into the BiLevel ST 22. 7. Remove the plugs from the pressure measurement hose. Dry the hose system using BiLevel ST 22 1. If water should accidentally get into the pressure measurement hose, put the supplied red drying adapter into the unit output. - Page 27 Warning! • Risk of electric shock! Before cleaning, disconnect the power supply cable from the power input of the BiLevel ST 22 and the mains plug from the socket. • Make sure no liquid gets into the unit. Never immerse the unit in disinfectant or any other liquid.
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Page 28: Disinfection And Sterilization
GIGASEPT FF as described under “Cleaning”. After disinfecting rinse all the parts thoroughly with distilled water. Let the parts dry out completely. Let the hose system drip-dry. Dry the hose system and BiLevel ST 22 as described in 5.2. •... -
Page 29: Multiple Patient Use
Before passing the unit to a different patient, the unit must undergo thorough hygienic preparation. This has to be carried out by Weinmann or a dealer. The procedure used for the hygiene preparation is described in the inspection sheet and the service and repair instructions for BiLevel ST 22. -
Page 30: Functional Check
6.1 Intervals Implement a functional check at least every 6 months. If you find a defect during the functional check, do not use BiLevel ST 22 until the defect has been remedied. 6.2 Execution 1. Assemble BiLevel ST 22 with the hose system, exhalation system and power supply cable ready for operation. - Page 31 Pressure accuracy 1. Wait for approx. 1 minute, then read the CPAP pressure on the display or the IPAP and EPAP pressure readings on the bar graph and check whether the values displayed correspond to the prescribed values. Respiratory rate/minimum frequency Note This check is unnecessary if the device is operated in CPAP mode.
- Page 32 Note If the expiration trigger is not functioning, it may have been turned off. Ask your doctor if this is the case. Soft start Note This check is unnecessary if Soft start has been disabled by the doctor. 1. Turn Soft start on by pressing the Soft start key The Soft start display appears and the Soft start time is displayed.
- Page 33 (see also "7. Troubleshooting" on page 34). 1. Check the buzzer and the status displays: Each time you turn the BiLevel ST 22 on, check that you can hear the buzzer and that the status display lights up. 2. Check the power failure alarm: Start BiLevel ST 22.
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Page 34: Troubleshooting
7. Troubleshooting 7.1 Malfunctions Malfunctions/ Malfunction Cause Rectification message No operating Check that power supply and power sound, No supply voltage supply cables are securely connected. Nothing on the available. Check outlet is working by connecting display another piece of equipment (e.g. a lamp). Unit cannot be Auto switch-on not switched on by... -
Page 35: Alarms
To avoid greater damage, do not use the unit. 7.2 Alarms The BiLevel ST 22 only issues medium priority alarms. These are indicated by the symbol in the alarm window, a yellow status display and an flashing acoustic alarm (buzzer). - Page 36 The standard display appears again after acknowledging the acoustic alarm. If the fault has not been rectified, the status line continues to be displayed and the yellow status display flashes (or is illuminated) until the fault is cleared. If the fault has not been rectified within 120 seconds of acknowledgement, the acoustic alarm (buzzer) sounds again.
- Page 37 If there are defects that cannot be rectified at once, please contact Weinmann or your dealer immediately to have the unit repaired. To avoid greater damage, do not use the unit. Troubleshooting...
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Page 38: Maintenance
• Every 5000 operating hours (maintenance symbol appears in display) • At the latest after 2 years (see maintenance label on the back of the device) We recommend that repairs are only carried out by Weinmann or by authorized dealers. Maintenance include: –... -
Page 39: Filter Change
8.2 Filter change Change coarse dustfilter Only use original Weinmann filters. Claims under warranty will be forfeited if filters from outside manufacturers are used; these may also restrict function and biocompatibility. 1. If the humidifier VENTIclick is connected, first disconnect it from the unit. This prevents water running into the unit during a filter change. - Page 40 Change the fine dustfilter The fine dust filter must be changed when it becomes dark and discolored and at least every 1000 operating hours. In the latter case the message "Please change filter" appears on the display when the unit is turned on.
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Page 41: Change The Pressure Measurement Hose
2. The “Reset filter change?” prompt appears. Using the dial, select and confirm by pressing the dial. To cancel the process, select and press the dial. The process will be canceled. If you have selected and confirmed , the message “Filter Change reset” appears for 3 seconds. -
Page 42: Disposal
8.4 Disposal Do not dispose of the unit as domestic waste. To dispose of the unit properly, please contact a licensed and certified electronic waste recycler. Names and addresses can be obtained from your Environmental Officer or municipal authorities. The unit packaging (cardboard box and inserts) can be disposed of as waste paper. -
Page 43: Scope Of Supply
WM 24790 Coarse dust filter WM 24880 Fine filter, packed WM 15026 Operating instructions BiLevel ST 22, GB WM 66131 Patient record WM 66165 9.2 Accessories The following accessories are not included in the scope of supply and must be ordered separately if needed. - Page 44 Parts Order number Battery VENTIpower incl. case WM 24100 Inverter 12 V WM 24616 Inverter 24 V WM 24617 SOMNOmask, size S WM 25110 SOMNOmask, size M WM 25120 SOMNOmask, size L WM 25130 SOMNOmask, size S, blue WM 25210 SOMNOmask, size M, blue WM 25220 SOMNOmask, size L, blue...
- Page 45 Parts Order number JOYCE vented, 40 hPa, size L WM 26131 JOYCEnon vented, size S WM 26160 JOYCE non vented, size M WM 26170 JOYCE non vented, size L WM 26180 JOYCE non vented, 40 hPa, size S WM26161 JOYCE non vented, 40 hPa, size M WM26171 JOYCE non vented, 40 hPa, size L WM26181...
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Page 46: Replacement Parts
9.3 Replacement parts Parts Order number Hose system, consisting of: WM 24130 - Disinfectable corrugated tube WM 24108 - Pressure measurement hose WM 24038 - Hose Adapter WM 24123 - Pressure connector WM 24129 - Sealing plugs (2x) WM 24115 Coarse dust filter WM 24880 Fine filter, packed... -
Page 47: Technical Data
10. Technical data BiLevel ST 22 BiLevel ST 22 with VENTI click Product class as per EU Directive 93/42/EEC Dimensions WxHxD in cm 23 x 12 x 28 23 x 12 x 39.5 Weight approx. 3.7 kg approx. 4.0 kg Temperature range –... - Page 48 BiLevel ST 22 BiLevel ST 22 with VENTI click IPAP pressure range 6 to 22 hPa EPAP pressure range 4 to 20 hPa CPAP pressure range 4 to 20 hPa Pressure accuracy ±0.6 hPa Increment 0.2 hPa (1 hPa = 1mbar ≈ 1 cm H...
- Page 49 Permitted humidity for operation ≤ 95 % rF (no condensation) and storage BiLevel ST 22 with O hose BiLevel ST 22 with hose system system WM 23737, VENTIclick WM 24130 and Silentflow System resistance with an air flow WM 24365 and bacteria filter...
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Page 50: Pneumatic Diagram
0,11 0,22 0,35 0,35 0,70 1,10 1,10 2,20 3,50 3,50 7,00 Further technical data can be obtained on request from Weinmann and are listed in the hospital manual and the Service and Repair Instructions. Subject to design modifications Technical data... -
Page 51: Warranty
Failure to use original spare parts • Weinmann is not liable for consequential harm caused by a defect if it is not not based on intention or gross negligence. Weinmann is also not liable for minor physical injury to life or limb resulting from negligence. -
Page 52: Declaration Of Conformity
12. Declaration of Conformity Declaration of Conformity... -
Page 53: Index
13. Index Accessories Alarms Auto switch-on 8, 19, 20, 34 Carrying bag Cleaning 25, 28 Disinfection Dry the hose system. Exhalation system 16, 19, 23, 25, 38, 44 Filter 34, 38, 46, 49 Functional check Garantie Inspection Inspiration time Malfunctions Nasal mask 16, 19, 23, 25 Replacement parts... - Page 56 For decades Weinmann has been developing, producing and marketing medical devices for markets around the world. In cooperation with our partners we design economic health systems for diagnosis and therapy in Sleep Medicine, Home Mechanical Ventilation, Oxygen Medicine and Emergency Medicine.
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Ce inseamna codul de funcționare nr 16?