The LIFT™ system, developed by LINAK, consists of actuators, lifting columns, and electronics designed for linear movement applications, particularly in the medical and care sectors. These products are components intended to be integrated into medical electrical equipment by manufacturers. While not classified as medical electrical equipment or systems themselves, LINAK provides certification on a component level according to IEC 60601-1 to support the assessment and certification of complete medical devices.
Function Description
LINAK LIFT™ systems provide linear movement for various applications, including:
- Adjustment of beds
- Patient lifts within the care and hospital sector
- Adjustment of dentist chairs/gynaecological chairs
The system is operated by a hand control connected to a control box, which in turn controls the actuators. Batteries provide power, and external chargers are available for recharging. The system incorporates safety features such as deep discharge protection for batteries and mechanisms to prevent unintended movement.
Important Technical Specifications
The general warranty period for MEDLINE and CARELINE products used in beds and medical applications is 5 years (60 months). For other applications, it is 1.5 years (18 months). Batteries have a specific product warranty of 12 months.
Electromagnetic Compatibility (EMC):
LINAK actuator systems bear the CE marking and comply with EMC Directive 2014/30/EU, meeting IEC 60601-1-2 requirements. They are CISPR 11, Group 1, Class B products, complying with IEC 61000-3-2, Class A, and IEC 61000-3-3. Immunity test levels are according to Professional Healthcare Facility and Home Healthcare Facility Environment.
- RF transmitter/receiver properties:
- Frequency band: 2402 MHz - 2480 MHz
- Type: BLUETOOTH® Low Energy BLE 4.2
- Modulation: GFSK
- Maximum Effective Radiated Power (ERP): 10 dBm
Environmental Conditions:
- Operating temperature: +5 °C to +40 °C
- Relative humidity: 20% to 80% - non-condensing
- Atmospheric pressure: 700 to 1060 hPa (Rated to be operated at an altitude ≤ 3000 m)
- Storage temperature: -10 °C to +50 °C
- Transport temperature: -10 °C to +50 °C
CAL40 Control Box:
- Nominal current draw (internal charger): max. 350 mA (depending on input voltage)
- Standby power (230 VAC): 0.7 W (improved BLE might give lower consumption)
- Input voltage range: 120-240 VAC (50/60 Hz)
- Power consumption (charging): max. 30 W
- Duty cycle: Max. 10%, 2 minutes continuous use followed by 18 minutes without use
- Approvals: EN IEC 60601-1, ANSI/AAMI ES60601-1, CAN/CSA-C22.2 NO. 60601-1, EN IEC 60601-1-2, RED (EU), FCC ID (US), IC ID (Canada), Telec (Japan)
- Max. cutoff value (CAL40+): 12 Amp
BAL40 Lead Acid Battery Pack:
- Compatibility: CAL40/CAL40+/CHL40
- Duty cycle: Max. 10% or 2 minutes continuous use followed by 18 minutes without use at a max. discharge current of 10 A
- Charging: Via external wall charger CHL40 and CH01 or via CAL40 or CAL40+ with internal charger.
- Recharging during storage: First recharge no later than 6 months after production date, then every 6 months.
- Operating temperature: +5 °C to +40 °C
- Charging temperature: +5 °C to +40 °C
- Storage temperature: -15 °C to +40 °C (+10 °C to +25 °C recommended)
- Relative humidity: 20%-80% - non-condensing
- Charging time: Approx. 4 hours
- Approvals: IEC 60601-1, ANSI/AAMI ES60601-1, CSA CAN/CSA-C22.2 NO. 60601-1, IEC 60601-2
CHL40 External Charger:
- Usage temperature: +5 °C to 40 °C
- Storage temperature: -10 °C to 50 °C
- Relative humidity: 20% to 80% - non-condensing
- Atmospheric pressure: 700 to 1060 hPa
- Height above sea level: Max. 3000 meters
- Nominal current draw: Max. 500 mA (CH01 spec)
- Power consumption (standby): Max. 2.5 W
- Power consumption (charging): Max. 19 W
- Approvals: IEC 60601-1, ANSI/AAMI ES60601-1, CAN/CSA-22.2 No. 60601-1, Australian deviation, Canadian deviation
COL50 Control Box:
- Nominal current draw (internal charger): max. 350 mA (depending on input voltage)
- Power consumption (standby): max. 0.5 W (depending on input voltage)
- Input voltage range: 120-240 VAC (50/60 Hz)
- Power consumption (charging): max. 30 W (depending on input voltage)
- Duty cycle: Max. 10% or 2 min. continuous use followed by 18 min. without use
- Operating temperature: +5 °C to +40 °C
- Storage temperature: -10 °C to +50 °C
- Relative humidity: 20% to 80% - non-condensing
- Atmospheric pressure: 700 to 1060 hPa
- Meters above sea level: Max. 3000 meters
- Approvals: EN IEC 60601-1, ANSI/AAMI ES60601-1, CAN/CSA-C22.2 NO. 60601-1, EN IEC 60601-1-2, RED (EU), FCC ID (US), IC ID (Canada), Telec (Japan)
- Max. cut-off value: 12 Amp
BAL50 Li-Ion Battery Pack:
- Compatibility: COL50 and CHL50
- Duty cycle: Max. 10% (or 2 min. continuous use followed by 18 min. without use) at max. discharge current (10 A)
- Charging: Via external wall charger CHL50 or via COL50 with integrated charger
- Charging state: Maximum 30% when shipped from LINAK
- Recharging during storage: First recharge no later than 12 months after production date, then every 12 months.
- Operating temperature: +5 °C to +40 °C
- Charging temperature: +5 °C to +40 °C
- Charging time: Approx. 4 hours
- Storage temperature: +10 °C to +40 °C (+10 °C to +25 °C recommended)
- Relative humidity: 20% - 80% – non-condensing
- Approvals: IEC 60601-1, ANSI/AAMI ES60601-1, CSA CAN/CSA-C22.2 NO. 60601-1, IEC 60601-2, IEC62133-2
CHL50 External Charger:
- Usage temperature: +5 °C to 40 °C
- Storage temperature: -10 °C to 50 °C
- Relative humidity: 20% to 80% - non-condensing
- Atmospheric pressure: 700 to 1060 hPa
- Height above sea level: Max. 3000 meters
- Nominal current draw: Max. 350 mA
- Power consumption (standby): < 0.5 W
- Power consumption (charging): Max. 25 W
- Approvals: IEC 60601-1, ANSI/AAMI ES60601-1, CAN/CSA-22.2 No. 60601-1, IEC 60601-1-2, PSE
Usage Features
- Connecting the system: Connect hand control to the control box (marked "HB"), then actuators to numbered channels. Ensure all plugs are firmly connected. Connect the battery last.
- Battery removal/mounting (LIFT40/CAL40): Lift handle upwards to release lock, pull out and slightly to the right, then lift off. To mount, position battery base over guide track, lower in place, steer upper part, and press down handle to lock.
- Cable cover (LIFT40/CAL40): The cable cover integrates with the control box. To close, mount cable plugs, push in hand control cable locking mechanism, and slide cover into groove until locked. To open, insert a flat head screwdriver into the groove, twist carefully to release, and pull downwards.
- Cable routing and management (LIFT40/CAL40): Wire grooves on the control box backside allow guiding cables for sling adjustment actuators or hand controls in various positions.
- Cable hanger (LIFT40/CAL40): CAL40 includes a cable hanger for parking mains cables or hand controls, mountable on either side of the control box.
- LED indicators (CAL40+): Provide battery status (full, low, two cycles left) and system status (pairing BLE, emergency stop, fatal error, SWL active, SWL confirmation, overload, duty cycle guard, service needed).
- LED indicators (CAL40): Provide battery status (high, low, two cycles left) and system status (emergency stop, SWL confirmation, overload, duty cycle guard, position not to be trusted, service needed).
- SWL adjustment function (LIFT40): Allows configuring software for standard or advanced Safe Working Load (SWL) functionality. Drive the lifting arm down, connect the SWL adjustment hand control, add the corresponding SWL load, press 'R' and 'UP' buttons simultaneously to move the arm up. The control box registers the largest current value and provides an audio signal and flashing LED.
- Pairing BLE hand control (LIFT40+): Enter direct pairing mode by activating key 1 and magnet in 3 seconds, move hand control closer to the lift until buzzer frequency changes, then confirm pairing by pushing key 1.
- Mounting (LIFT40): Can be mounted battery upwards (cable outlets downwards) or lying on the right side (seen from the front). Requires minimum 2 screws (ISO7380-1 / M5, L=20 or 25 mm) and washers (ISO7089 / M5). Max torque 1 Nm.
- Battery on/off (LIFT50/COL50): Ergonomic battery design. To remove, push buttons on battery sides and pull out. To mount, grab battery on sides, steer base over steering pin, and push in place.
- Emergency stop (LIFT50/COL50): Located on top of the BAL50 battery. To activate, push the button. To release, take off the battery, push buttons on battery sides, pull out, then replace the battery.
- Cable cover (LIFT50/COL50): Similar to LIFT40, with designated snaps. To open, insert a flat head screwdriver into the groove and move the handle towards the back.
- Cable routing and management (LIFT50/COL50): Wire grooves on the backside for guiding cables.
- Cable hanger (LIFT50/COL50): COL50 includes a cable hanger, mountable on either side.
- LED indicators (COL50): Provide battery status (75-100% SOC, 50-75% SOC, <50% SOC, buzzer activation at 200 mAh left) and charging status (90-100%, 65-90%, 40-65%, 0-40%, charging stopped due to low battery temperature/error, charging stopped due to lost communication).
- Learn Mode function (COL50): Configurable for standard or advanced Learn Mode. Drive lifting arm down, connect special Learn Mode hand control, add SWL load, press 'R' and 'UP' simultaneously to move the arm up. The control box registers current limits and provides audio/visual feedback.
- Mounting (LIFT50): Mount steel bracket on patient lift using two dedicated holes. Mount control box on steel bracket, moving lower position first. Use 3 M5x10 screws (Bossard Ecosyn-grip) with a wide collar. Max torque 1 Nm.
- CHL50 External Charger mounting: Can be mounted flat on a wall (minimum 2 of 3 screws in Ø4 mm holes) or placed horizontally on a table/desk using rubber studs. Complies with IPX4 when hanging upright.
Maintenance Features
- General maintenance: Clean LINAK products regularly. Inspect frequently for malfunction, damage, wear, and cracks. Worn-out parts must be replaced. LINAK products are closed units and require no internal maintenance.
- Cleaning: Products can be cleaned according to their IP protection class. IPX0-IPX4: damp cloth. IPX5: brush and water (not under pressure). IPX6: brush and water (can be under pressure, but not high-pressure cleaner, max. 20 °C). IPX6 Washable/DURA™: wash tunnels according to IEC 60601-2-52. Retract actuator to minimum stroke without load before washing to avoid degreasing the piston rod.
- Cleaning warnings: Do not spray directly with high-pressure cleaner. Interconnecting cables must remain plugged in. Steam cleaning and UV cleaning are not permitted.
- Detergents (IPX6 Washable): Sekumatic FDR/FRE (Ecolab), Neodisher Dekonta (Dr. Weigert), Thermosept NDR (Schülke) or similar with pH 5-8 and 0.5% concentration.
- Rinsing aids: Sekumatic FKN (Ecolab), Neodisher BP/TN (Dr. Weigert), Thermosept BSK (Schülke) or similar with pH 5-8 and 0.2% concentration. Must not contain caustic solutions, change surface structure, or break down grease.
- O-rings: Replace O-rings on all parts when individual parts are replaced in IPX6, IPX6 Washable, or IPX6 Washable DURA systems. Grease O-rings and receptacle inserts with acid-free Vaseline.
- Battery replacement (Lead acid): Replace after 4 years at the latest. Charge at least every 6 months. Ensure hermetic separation of battery compartment from electronics is maintained. Fasten screws with approx. 1 Nm. Ensure ventilation is not blocked.
- Battery warnings (Li-Ion): Do not open battery housing. Do not transport defective or damaged batteries. Recharge every 6 months (general), or 12 months (BAL50).
- Hot plugging: Removing or adding OpenBus cables is not allowed when the control box is powered. If necessary, remove mains/battery, wait 5 seconds, then mount/dismount cables.
- Cable installation: Ensure proper cable installation to avoid short-circuits, wear, and damage. Inspect regularly.
- Disposal: Dispose of LINAK systems or components in accordance with environmental regulations, possibly by dividing into different waste groups for recycling or combustion.
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