3M Bair Hugger 750 Manuel utilisateur

1Bair Hugger Model 750 Warming Unit Service Manual

For information on operating the Model 750 temperature management unit, please refer to the Model 750 Operator’s Manual.

Please forward to Biomedical Engineering Department

Bair Hugger™

Model 750 Warming Unit

Service Manual

3Bair Hugger Erwärmungsgerät, Modell750 - Wartungshandbuch

Informationen zum Betrieb des Temperaturmanagementgeräts Modell750 finden Sie im Betriebshandbuch für das Modell750.

Bitte an die Abteilung für biomedizinische Technik weiterleiten

2Manuel d’entretien du module de réchauffement Bair Hugger, modèle 750

Pour de plus amples informations concernant le fonctionnement de l’unité de régulation thermique, modèle 750, veuillez consulter le manuel

de l’utilisateur du modèle 750.

Merci de transmettre au service d’ingénierie biomédicale

Total Temperature ManagementTM System

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Bair Hugger

Model 750 Warming Unit

Service Manual

English 1

Français 33

Deutsch 67

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Table of Contents

Introduction�� 1

Description of the Total Temperature Management™ System ....................... 1

Indications .................................................................... 1

Denition of Symbols .......................................................... 2

Explanation of Signal Word Consequences ....................................... 3

Contraindications ............................................................. 3

warning ...................................................................... 3

Cautions ...................................................................... 4

Notices ....................................................................... 5

Proper Use and Maintenance ................................................... 5

Read Before Servicing Equipment ............................................... 5

Safety Inspection .............................................................. 5

Overview �� 6

Unit Power-On-Reset .......................................................... 6

Operating Modes .............................................................. 7

Standby Mode ................................................................. 7

Fault Conditions ............................................................... 8

Over-Temperature Condition ................................................... 8

Alternative Modes ............................................................. 9

Accessing the Alternative Modes ............................................... 10

Exiting an Alternative Mode ................................................... 10

Service Procedures �� 11

Calibrating the Operating Temperatures ........................................ 11

Testing the Over-Temperature Detection System ................................. 13

Viewing the Fault Code Log ................................................... 15

Clearing the Fault Code Log ................................................... 15

Fault Code Table.............................................................. 16

Viewing the Hour Meter ...................................................... 17

Viewing the Operating Timer .................................................. 17

Replacing the Air Filter........................................................ 18

Replacing the Hose............................................................ 19

Reattaching Hose ............................................................. 20

Replacing the Fuses ........................................................... 21

General Maintenance and Storage �� 23

Cleaning the Cabinet and Hose ................................................ 23

Storage....................................................................... 23

Troubleshooting �� 24

Technical Support and Customer Service �� 26

When You Call for Technical Support........................................... 26

In-Warranty Repair and Exchange.............................................. 26

Returning Units for Service .................................................... 27

Specications�� 28

Maintenance Checklist �� 30

Maintenance Log ............................................................. 31

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Bair Hugger Model 750 Temperature Management Unit Service Manual

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Introduction

Description of the Total Temperature Management™ System

e 3MTM Bair HuggerTM brand Total Temperature Management system consists of a Model 750 forced-air

temperature management unit (with optional rolling stand, and other accessories) and disposable components,

including Bair Hugger forced-air blankets, the 3MTM 241TM blood/uid warming set, and may be used with the

3MTM Bair PawsTM patient warming gowns.

e Bair Hugger warming unit is attached to the blanket or gown by means of a exible hose. Warm air is

generated in the unit and ows through the hose and into the blanket or gown. Depending on the model, the

blanket or gown is placed either around, over, or underneath the patient. Small perforations on the blanket

or gown allow the warm air to be dispersed over the patient. For uid warming applications, the Model 241

blood/uid warming set is inserted in the warming unit hose. When the unit is turned ON and a temperature

setting is selected, warm air ows over the Model 241 tubing and warmed uid exits from the distal end of the

tubing. For additional information on Bair Hugger blankets, Bair Paws gowns, the 241 blood/uid warming

set, or other accessories visit us online at bairhugger.com or bairpaws.com.

is manual includes operating and service instructions and unit specications for the Model 750 temperature

management unit. You can use the Model 750 temperature management unit in all clinical settings where

the patient may become too warm or too cold including the operating room to provide patient temperature

management. For information about using Bair Hugger blankets, Bair Paws gowns or the 241 blood/uid

warming set with the Model 750 temperature management unit, refer to the “Instructions for Use” included

with each of these disposable components. e Bair Hugger system should only be used by trained medical

professionals.

Indications

e Bair Hugger temperature management system is intended to prevent and treat hypothermia. In addition,

the temperature management system can be used to provide patient thermal comfort when conditions exist

that may cause patients to become too warm or too cold. e temperature management system can be used

with adult and pediatric patients.

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Definition of Symbols

The following symbols may appear on the product’s labeling or exterior packaging.

equipotentiality plug (grounded) conductor other than a protective earth

conductor or a neutral conductor, providing a direct connection between

electrical equipment and the potential equalization busbar of the electrical

installation. Please consult IEC 60601-1; 2005 for requirements.

Fuse

Nonexplosion proof

Type BF equipment (patient applied)

VAC

Voltage, alternating current (AC)

is system is subject to European WEEE Directive 2002/96/EC.

is product contains electrical and electronic components and must not be disposed of

using standard refuse collection. Please consult local directives for disposal of electrical

and electronic equipment.

Protective earth ground

No free hosing

Consult operator's manual

Consult instructions for use

Recycle to avoid environmental contamination. is product contains recyclable parts.

For information on recycling - please contact your nearest 3M Service Center for advice.

Manufacturer

Attention; see instructions for use

Keep dry

Temperature limits

Bair Hugger Model 750 Temperature Management Unit Service Manual

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Explanation of Signal Word Consequences

warning:

Indicates a hazardous situation which, if not avoided, could result in death or serious injury.

caution:

Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.

notice:

Indicates a situation which, if not avoided, could result in property damage only.

Contraindications

Do not apply heat to lower extremities during aortic cross-clamping. ermal injury may occur if heat is

applied to ischemic limbs.

WARNING

1. Do not leave patients with poor perfusion unmonitored during prolonged warming therapy sessions.

ermal injury may result.

2. e Bair Hugger temperature management unit has been designed to operate safely ONLY with 3M

Patient Warming disposable components. Use with other products may cause thermal injury. (To

the full extent permitted by law, the manufacturer and/or importer declines all responsibility for

thermal injury resulting from the unit being used in conjunction with product other than 3M Patient

Warming products.)

3. Do not warm patients with the temperature management unit hose alone. ermal injury

may result. Always connect the hose to a Bair Hugger blanket or Bair Paws gown before

providing therapy.

4. Do not place the non-perforated side of the blanket on the patient. ermal injury may result. Always

place the perforated side (the side with small holes) towards the patient.

5. Do not continue temperature management therapy if the Over-temp indicator light illuminates

and the alarm sounds. ermal injury may result. Unplug the unit, and contact a qualied service

technician.

6. Do not continue 241 blood/uid warming therapy if the Over-temp indicator light illuminates and

the alarm sounds. Immediately stop uid ow, and discard the blood/uid warming set. Unplug the

temperature management unit, and contact a qualied service technician.

7. Do not use a forced-air warming device over transdermal medication. Increased drug delivery and

patient injury or death may occur.

8. Do not allow the patient to lie on the warming unit hose or allow the hose to directly contact the

patient’s skin during patient warming; thermal injury may result.

9. Reusable blankets made from woven fabric, or blankets without discrete, visible holes, can cause the

safety system of this unit to fail, which may result in serious thermal injury. is warming unit has been

designed to operate safely ONLY with Bair Hugger blankets and Bair Paws gowns.

10. Do not connect a Bair Hugger blanket, 241 blood/uid warmer, or Bair Paws gown to the warming unit

if it has been cut or damaged; thermal injury may result.

Bair Hugger Model 750 Temperature Management Unit Service Manual

English 202522A

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11. Do not use a Bair Hugger blanket to transfer or move the patient; injury may result.

12. To reduce the risks associated with hazardous voltage and re:

• keep power cord visible and accessible at all times. e plug on the power cord serves as the

disconnect device. e wall socket outlet shall be as close as practical and shall be easily accessible.

• use only the power cord specied for this product and certied for the country of use.

• do not allow the power cord to get wet.

• do not use the warming unit when it appears the warming unit, power cord or any component is

damaged. Contact 3M Patient Warming technical support at 1-800-733-7775.

• this equipment must only be connected to a supply mains with protective earth.

13. To reduce the risks associated with exposure to biohazards always perform the decontamination

procedure prior to returning the warmer for service and prior to disposal.

14. Do not retain the patient using a warming blanket alone, as injury may result. Use a draw sheet,

safety strap, or other means to retain the patient.

15. Do not modify this equipment without authorization of the manufacturer.

16. To ground this Bair Hugger warming unit, only connect to receptacles marked “Hospital Only”

“Hospital Grade,” or a reliable grounded outlet.

CAUTIONS

1. Except for specic blanket models, Bair Hugger blankets are not sterile and are all intended for single

patient use ONLY. Placing a sheet between the Bair Hugger blanket and the patient does not prevent

contamination of this product.

2. Monitor the temperature and cutaneous response of patients who are incapable of reacting,

communicating and/or who are without a sense of feeling every 10-20 minutes or according to

institutional protocol. Monitor the patient's vital signs regularly. Adjust air temperature or discontinue

therapy when the therapeutic goal is reached or if vital sign instability occurs. Notify physician of vital

sign instability immediately.

3. Do not leave pediatric patients unattended during therapy.

4. Do not initiate temperature management therapy unless the temperature management unit is free from

mechanical damage and is safely placed on a hard surface or securely mounted. Otherwise, injury may

result.

5. To prevent tipping, clamp the Model 750 temperature management unit to an IV pole at a height that

provides stability. We recommend clamping the unit no higher than 44" (112 cm) on an IV pole with

a minimum 28" (71 cm) diameter wheelbase. Failure to do so may result in IV pole tipping, catheter

site trauma, and patient injury.

6. Electrical shock hazard. Do not disassemble the temperature management unit unless you are a

qualied service technician. ere are electrically live parts with in the unit when it is connected to a

power source, even when the unit is in Standby mode.

7. To reduce the risks associated with environmental contamination follow applicable regulations when

disposing of this device or any of its electronic components.

Bair Hugger Model 750 Temperature Management Unit Service Manual

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NOTICES

1. e Bair Hugger temperature management unit meets medical electronic interference requirements.

If radio frequency interference with other equipment should occur, connect the unit to a dierent

power source.

2. Federal law (USA) restricts this device to sale by or on the order of a licensed healthcare professional.

3. To avoid Bair Hugger warming unit damage:

• do not immerse the Bair Hugger warming unit or warming unit parts or accessories in any liquid

or subject them to any sterilization process.

• do not use solvents such as acetone or thinner to clean the warming unit; avoid abrasive cleaners.

• clean warming unit exterior with so cloth using plain water or a mild, all-purpose or nonabrasive

cleaner.

Proper Use and Maintenance

3M Patient Warming assumes no responsibility for the reliability, performance, or safety of the temperature

management unit if the following events occur:

• Modications or repairs are performed by unqualied personnel.

• e unit is used in a manner other than that described in the Operator’s or Service Manuals.

• e unit is installed in an environment that does not meet the appropriate electrical and grounding

requirements.

Read Before Servicing Equipment

All repair, calibration, and servicing of the Bair Hugger model 750 temperature management unit requires

the skill of a qualied, medical equipment service technician who is familiar with good practice for medical

device repair. If service does not require the manufacturer’s attention, the Model 750 Service Manual

provides the technical information needed to service the unit, or 3M Patient Warming will provide that

information on request. Perform all repairs and maintenance in accordance with the instructions in the

Service Manual.

Safety Inspection

Perform a safety inspection aer making repairs to the Bair Hugger temperature management unit and

before returning the unit to service. A safety inspection should include calibrating the operating temperature

settings and testing the over-temperature detection function as described in this service manual as well as

testing for leakage current and continuity check on safety ground.

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