Arjo Nimbus 4 Instructions Manual
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Arjo Nimbus 4 Instructions Manual

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INSTRUCTIONS FOR USE
Nimbus 4
Nimbus Professional
649933EN_09 • 05/2022

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Summary of Contents for Arjo Nimbus 4

  • Page 1 INSTRUCTIONS FOR USE Nimbus 4 Nimbus Professional 649933EN_09 • 05/2022...
  • Page 2 Mandatory to read the Instructions for Use Design Policy and Copyright ® and ™ are trademarks belonging to the Arjo group of companies. © Arjo 2022. As our policy is one of continuous improvement, we reserve the right to modify designs without prior notice.The content of this publication may not be copied either whole or in part without the...

  • Page 3: Table Of Contents

    Intended use ............1 About Nimbus 4 and Nimbus Professional .......1 Nimbus Pump .
  • Page 4 Routine Maintenance ..........23 Nimbus 4 and Nimbus Professional Systems ......23 Nimbus Pump .

  • Page 5: General Safety

    • When not fitted to a bed, the bed hooks on the pump may present a hazard to small children. Store the pump in a safe place. • Only the pump and mattress or seat combination as indicated by Arjo should be used. The correct function of the product cannot be guaranteed if incorrect pump and mattress or seat combinations are used.
  • Page 6 Arjo. Do NOT use unapproved accessories or attempt to modify, disassemble or otherwise misuse the Nimbus 4 and Nimbus Professional system. Failure to observe this caution could result in injury, or in extreme cases, death.

  • Page 7: Introduction

    Use this manual to initially set up the system, and keep it as a reference for day-to-day routines and as a guide to maintenance. If you have any difficulties in setting-up or using the Nimbus 4 and Nimbus Professional systems, contact your local Arjo sales office, listed at the end of this manual.

  • Page 8: Nimbus Pump

    If cardiac arrest occurs, the mattresses can be rapidly deflated using the CPR (Cardio-Pulmonary Resuscitation) control to allow cardiac resuscitation procedures to be performed. A full technical description of the Nimbus 4 Nimbus Professional system can be found in the Service Manual, part No.

  • Page 9: Nimbus 4 Mattress

    FAST DEFLATE NORMAL TRANSPORT TRANSPORT Tubeset Connector Pump Tubeset NOTE These controls are common to both Nimbus 4 and Nimbus Professional mattresses, and are located at the foot end of the mattress on the opposite side to the Vent Valves.

  • Page 10: Nimbus Professional Mattress

    Nimbus Professional Mattress ® 5 Heelguard Cells Shoulder Support (4th) Cell (Alternating, No Vent Valve) 3 Thigh Cells CPR/Transport Control 8 Torso 3 Head Section Cells Cells (Alternating Pressure) FOOT END HEAD END 19 Vent Valves Carry Handle Drag Handle Securing Strap Cable Management Flap Detachable Cover...

  • Page 11: Clinical Applications

    2. Clinical Applications Indications The Nimbus 4 and Nimbus Professional systems are indicated for the prevention and/or management of all categories of pressure ulcer, when combined with an individualised, comprehensive pressure ulcer protocol: for example, repositioning, nutritional support, skin care. Selection should be based upon a holistic assessment of the patient’s individual care needs.

  • Page 12: Installation

    3. Installation The Nimbus 4 and Nimbus Professional systems are simple to install using the following guidelines. NOTE Refer to Section 4, Page 10 “Controls, Alarms and Indicators” for a comprehensive description of the controls and indicators on the pump.

  • Page 13: Installing The Pump

    Make sure that the Vent Valves are closed: Closed Open Make sure the CPR control is closed and locked in position and the Transport control is set to NORMAL. NORMAL FAST DEFLATE NORMAL TRANSPORT TRANSPORT CPR Control Transport Control Installing the Pump If the pump is to be hung from the end of the bed, make sure that the bed bracket is securely attached to the pump, and then attach the pump and bed bracket to the bed frame.

  • Page 14: Testing The Power Fail Alarm

    Run the mains power cable along the side of the mattress securing the flap round the cable using the press studs. Press Stud Cable Management Flap Testing the Power The Power Fail Alarm is powered by an internal rechargeable Fail Alarm battery.

  • Page 15: Connecting The Tubeset

    If the alarm does not operate for two minutes, call the service engineer. NOTE If the Power Fail Alarm does not operate after this test and a service engineer has been called, the pump can continue to be used with regular checks of the Power-On status. All other alarms continue to function as normal.

  • Page 16: Controls, Alarms And Indicators

    4. Controls, Alarms and Indicators Run/Standby Mute Control Alarm High Pressure Low Pressure Button & Indicator Indicator Indicator Indicator Nimbus Wait Service Comfort Run Mode Indicator Indicator Control Indicator Static Mode Control Power Fail Pump Fault & Indicator Indicator Indicator Pump Controls The pump front panel has the following controls: Run/Standby Button...

  • Page 17: Pump Indicators

    Comfort Control The Nimbus 4 and Nimbus Professional systems automatically compensate for patient weight distribution and position, to optimise the mattress pressure relieving performance. However, the mattress cell pressure can be manually adjusted for patient comfort using the rotary Comfort Control.
  • Page 18 temporarily silenced by pressing the Alarm Mute button for a minimum of 3 seconds (Refer to “Alarm Mute” on page 10). The triangular Alarm symbol is displayed with one or more of the following indicators: • Low Pressure (refer to “Low Pressure” on page 11). •...

  • Page 19: Operation

    DO NOT PLACE THE PATIENT ON THE MATTRESS UNTIL IT IS FULLY INFLATED AND NORMAL OPERATING PRESSURE HAS BEEN REACHED. Installing the System Before using the Nimbus 4 or Nimbus Professional system make sure that it has been installed correctly in accordance with Section 3, Page 6 “Installation”.

  • Page 20: Comfort Control

    • If the pump needs to be completely isolated from the mains power supply, remove the plug from the mains power socket. Mattress Vent Valves On the Nimbus 4 and Nimbus Professional mattresses, the Vent Valves along the side of the mattress enable individual cells to be deflated: Nimbus 4 mattress has only five Vent Valves in the Heelguard section at the foot end of the mattress.

  • Page 21: Guidelines For Selecting Mattress Vent Valves To Open

    Guidelines for The following guidelines should be adhered to when selecting Vent Selecting Mattress Valves to open on the Nimbus 4 and Nimbus Professional Vent Valves to Open mattresses: For permanent off-loading/pressure relief: • Select no more than one cell directly under the area you want to relieve (head, torso, calf or heel section).

  • Page 22: Transport Control

    Transport Control This sets the mattress into Transport mode where the mattress is sealed and the support surface is equally pressurised; the pump and/or tubeset can then be removed. In this mode the mattress will support the patient for up to 12 hours. To set Transport mode: Turn the Transport control knob clockwise to Transport.

  • Page 23: Cpr Control

    CPR Control IMPORTANT IN THE EVENT OF CARDIAC ARREST. In the event of a patient suffering cardiac arrest and CPR needing to be administered: To Activate the CPR Lift the red CPR handle at the foot end of the mattress. FAST DEFLATE NORMAL TRANSPORT...

  • Page 24: Nimbus Professional Mattress: Patient Positioning Guide

    6. Nimbus Professional Mattress: Patient Positioning Guide The Nimbus Professional mattress allows the patient to be placed in either the Supine (face up) or Prone (face down) positions. WARNING A full patient assessment, as to the suitability for Prone Nursing, is essential before commencing the procedure.

  • Page 25: General

    General In both the Supine and Prone positions, patients should be positioned on the mattress so that the shoulders are in line with the Shoulder Support (4th) cell. NOTE It is important for the optimal use of the system that patients are positioned correctly on the mattress.

  • Page 26: Prone Position (Face Down) - Not For Homecare Environment

    Prone Position (face down) - Not for Homecare Environment • Prone nursing is usually prescribed as an emergency therapy for patients in acute respiratory distress or to manage extensive wounds on the dorsum, such as pressure ulcers or burns. • The decision to adopt the prone position must be authorised by the clinician responsible for the patient’s care.

  • Page 27: Decontamination

    Facility or the country of use. If you are uncertain, you should seek advice from your local Infection Control Specialist. The Nimbus 4 and Nimbus Professional system should be routinely decontaminated between patients and at regular intervals while in use; as is good practice for all reusable medical devices.
  • Page 28 Thermal Disinfection For information for the mattress top cover, including laundering guidelines, refer to “COVER SPECIFICATION” on page 29. Re-use with multiple Professional hygiene maintenance is required before patients re-use of the system with a different patient.

  • Page 29: Routine Maintenance

    Arjo recommend that the Nimbus 4 and Nimbus Professional systems should be serviced after 12 months continuous running time, by an Arjo authorised service agent. This is indicated by the illumination of the Service symbol (refer to “Service Indicator” on page 12).

  • Page 30: Troubleshooting And Alarm Conditions

    9. Troubleshooting and Alarm Conditions The following table provides a troubleshooting and alarm condition guide for the Nimbus 4 and Nimbus Professional systems in the event of malfunction. These alarms do not cause any delay or interruption in therapy. NOTE Refer to Section 4, Page 10 “Controls, Alarms and Indicators”...
  • Page 31 1. Re-apply mains power or Low priority 1. Power Fail Alarm. according to press and hold the Run/ The pump has detected a IEC60601-1-8. Standby button for 3 mains power failure. seconds to put the pump into Standby. If power failure is prolonged, switch to Transport mode and disconnect the tubeset.

  • Page 32: Technical Specification

    10.Technical Specification PUMP Model: Nimbus Supply Voltage: 220-240 V 100-120 V Supply Frequency: 50/60 Hz 50/60 Hz Power Input: 35 VA Size: 508 x 220 x 100 mm (20 x 8.7 x 4 in.) Weight: 5.7 kg (12.5 lb) Case Material: ABS Plastic Plug Fuse Rating: 5A to BS1362 (UK ONLY)
  • Page 33 Figures indicate UK Approved Body supervision. UK Responsible Person & UK Importer: Arjo (UK) Ltd, ArjoHuntleigh House, Houghton Regis. LU5 5XF Is the appointed UK Responsible Person as defined in UK Medical Devices Regulations 2002 (SI 2002 No 618, as amended).
  • Page 34 PU Coated Polyester Top Cover Material: PU Coated Fabric or Premium Fabric For the dimension and weight specifications in this IFU, there could be some tolerance, not explicitly listed. Arjo is entitled to have the final explanation on these specifications.
  • Page 35 Chlorine concentrations may vary from 250ppm to 10,000ppm depending on local policy and contamination status. If an alternative disinfectant is selected from the wide variety available, Arjo recommend that suitability for use is confirmed with the chemical supplier prior to use.

  • Page 36: Electromagnetic Compatibility (Emc)

    EMI (electromagnetic interference) from external sources. Some procedures can help reduce electromagnetic interferences: • Use only Arjo cables and spare parts to avoid increased emissions or decreased immunity which can compromise the correct functioning of the equipment. • Ensure that other devices in patient-monitoring and/or life-support areas comply to accepted emissions standards.
  • Page 37 Guidance and manufacturer’s declaration - electromagnetic immunity Immunity Test IEC 60601-1-2 Compliance Electromagnetic environment - test level Level guidance Electrostatic ±2kV, ±4kV, ±8kV, ±2kV, ±4kV, ±8kV, Floors should be wood, concrete or discharge (ESD) ±15kV air ±15kV air ceramic tile. If floors are covered with synthetic material the relative humidity EN 61000-4-2 ±8kV contact...
  • Page 38 Guidance and manufacturer’s declaration - electromagnetic immunity Voltage dips, short 0 % UT; 0,5 cycle 0 % UT; 0,5 cycle Mains power quality should be that of a interruptions and At 0°, 45°, 90°, At 0°, 45°, 90°, typical commercial or hospital voltage variations 135°, 180°, 225°, 135°, 180°, 225°,...
  • Page 39 AUSTRALIA FRANCE Arjo Australia Arjo SAS Arjo Polska Sp. z o.o. Building B, Level 3 2 Avenue Alcide de Gasperi 11 Talavera Road CS 70133 Macquarie Park, NSW, 2113, FR-59436 RONCQ CEDEX Tel: +48 61 662 15 50 Australia Tél: +33 (0) 3 20 28 13 13...
  • Page 40 At Arjo, we are committed to improving the everyday lives of people affected by reduced mobility and age-related health challenges. With products and solutions that ensure ergonomic patient handling, personal hygiene, disinfection, diagnostics, and the effective prevention of pressure ulcers and venous thromboembolism, we help professionals across care environments to continually raise...

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