natus neoBLUE Manual de usuario
P/N 027222
Revision Date 2019-04-02
User Manual
neoBLUE®Radiometer
is manual may not be reprinted or copied in whole or in part without written consent from Natus Medical Incorporated.
e content of this manual may change without notice.
Natus, and neoBLUE are registered trademarks of Natus Medical Incorporated. © 2019 Natus Medical Incorporated. All rights reserved.
Natus Medical Incorporated.
5900 First Avenue South
Seattle, WA 98108 USA
Telephone: +1 650 802 0400
Fax: +1 650 802 0401
Technical Service: +1 888 496 2887
E-mail: [email protected]
Customer Service: +1 800 303 0306
Customer Service Fax: +1 650 802 6620
E-mail: [email protected]
International Support - Please contact your local Distributor.
Distributor locations can be found at www.natus.com
Natus Manufacturing Limited
IDA Business Park
Gort, Co. Galway, Ireland
P/N 027222 Revision Date 2019-04-02
Contents
1. OVERVIEW ................................................................................................................ 1
2. SAFETY INFORMATION ............................................................................................. 1
2.1 Explanation of Terminology ...........................................................................................1
2.2 Symbols .........................................................................................................................1
2.3 Intended Use ..................................................................................................................1
2.4 Description .....................................................................................................................2
2.5 Instrument Response Characteristics ...............................................................................2
3. OPERATION ................................................................................................................ 3
3.1 Connecting the Sensor ....................................................................................................3
3.2 Disconnecting the Sensor ................................................................................................3
3.3 Verifying Proper Operation ..............................................................................................3
3.4 Taking Measurements .....................................................................................................4
3.5 Messages .......................................................................................................................5
4. CLEANING ................................................................................................................... 6
5. MAINTENANCE AND SERVICE ..................................................................................... 6
5.1 Replacing the Battery......................................................................................................6
5.2 Calibrating the Radiometer..............................................................................................7
5.3 Service and Repair ..........................................................................................................7
5.4 Returning for Calibration or Service .................................................................................7
5.5 Contacting Natus Medical ...............................................................................................7
6. SPECIFICATIONS.......................................................................................................... 8
7. DRAWINGS AND SCHEMATICS ................................................................................... 9
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1. OVERVIEW
Read and be familiar with this instruction manual before operating this device. If this equipment
is used in a manner not specied by this manual, the protection provided by the equipment may
be impaired.
Caution: This product is suitable for measuring neoBLUE LED phototherapy devices. It
does not accurately measure broadband sources such as halogen or uorescent.
This manual provides the necessary information to maintain and service the neoBLUE®
Radiometer. The operating instructions in this manual are intended for use by hospital personnel.
The service instructions in this manual are intended for use by qualied technicians.
2. SAFETY INFORMATION
2.1 Explanation of Terminology
This manual presents two types of precautionary information; The Warning and Caution
statements are both important to the safe and eective use of this device. Each statement is
categorized by using an introductory word in boldface as follows:
Warning! A statement which describes serious adverse reactions and potential safety
hazards, limitations in use imposed by them, and steps that should be taken if they occur.
Caution: A statement which includes information regarding any special care to be exercised
by the practitioner, user, and/or patient for the safe and eective use of the device.
NOTE: Background information provided to clarify a particular step or procedure.
2.2 Safety Symbols
The following symbols are located on the neo BLUE Radiometer and its packaging.
2.3 Intended Use
The neoBLUE Radiometer is a spectroradiometer for measuring the irradiance (radiant power) of
narrow band LED phototherapy devices with peak wavelength from 450 to 475nm.
SYMBOL MEANING
Atmospheric pressure range
Caution
Warning
Humidity, non-condensing
Disposal at end of life instructions
Consult the instructions for use
SYMBOL MEANING
Battery
Temperature range
Authorized European Representative
Manufacture Date
Manufacturer
neoBLUE®Radiometer User Manual 2
2.4 Description
The neoBLUE Radiometer is comprised of a readout and a detachable sensor, as illustrated in
Figure 1.
The neoBLUE Radiometer measures the irradiance of wavelengths from 420 to 500
nanometers(nm), the blue-green portion of the spectrum, which includes the bilirubin peak
absorption wavelength. It measures intensity in units of microwatts per square centimeter per
nanometer (μW/cm2/nm). A nanometer is a measure of wavelength equal to one-billionth of a
meter. The term “per nanometer” indicates the average irradiance per nanometer across the
spectral band to be measured, which is 80 nm wide. Measuring in this fashion makes it possible
to compare average irradiance across spectral bands of dierent widths.
2.5 Instrument Response Characteristics
Figure 2 represents the nominal response characteristics of the neoBLUE Radiometer, which
corresponds to the peak absorption spectrum of bilirubin.
This instrument is calibrated at 72° F (22° C). Readings may change with temperature and
increase at the rate of approximately 0.15% per °F (0.27% per °C). Readings are not aected
by momentary exposure (3 minutes or less) to temperature changes of less than 20° C, such as
readings taken in an incubator.
ON/READ button
Display
Sensor cable connection
Figure 1. neoBLUE Radiometer
Figure 2. Nominal response of the neoBLUE®Radiometer
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3. OPERATION
Warning! Do not use in the presence of gases that support combustion (for example,
oxygen, nitrous oxide, or other anesthetic agents).
Caution: If meter or sensor is dropped a distance of 1 foot or more, verify proper operation
and compare reading to that of a known good meter. Have unit recalibrated as necessary.
Read and be familiar with this instruction manual before using this device.
This product should only be used by technically qualied hospital personnel.
Inspect this device before each use to ensure proper functioning.
NOTE: The hospital or facility is responsible for ensuring that all personnel who operate or
maintain this device are trained in its operation and safe use, and for maintaining training records
of attendance and evidence of understanding.
3.1 Connecting the Sensor
The sensor connects to the socket on the
readout. To connect, turn the connector
until the keyed slots are aligned, and then
carefully insert the connector into the socket.
3.2 Disconnecting the Sensor
Caution: To avoid damage, never pull
on the cable to remove the connector.
To remove the sensor, pull back on the
connector (toward the sensor).
3.3 Verifying Proper Operation
Verify proper operation on receipt of a new
neoBLUE Radiometer, after servicing, and
before each use.
To verify proper operation:
1. Conrm that calibration is current by checking the calibration date sticker both on the bottom
of the sensor and on the bottom of the readout.
2. Conrm that the sensor is connected to the readout.
3. Hold the sensor near a neoBLUE phototherapy light, and press the ON/READ button.
Verify that a reading appears and that it changes as the position of the sensor moves.
Figure 3. Connecting the sensor to the readout
Figure 4. Disconnecting the sensor
neoBLUE®Radiometer User Manual 4
4. Release the ON/READ button, and verify that the reading continues to be displayed for
30 seconds.
3.4 Taking Measurements
To measure neoBLUE overhead lights:
1. Connect the sensor to the readout.
2. Hold the sensor at the appropriate
distance and aim the sensor at the
center of the neoBLUE phototherapy
light (see Figure 5).
NOTE: For reproducible measurements
always hold the sensor at the same place
and angle.
NOTE: Factory calibration of neoBLUE
overhead system occurs at a distance of
12 inches (30 cm) from the patient. Factory
calibration of the neoBLUE compact system
occurs at a distance of 13.75 inches (35 cm)
from the patient.
NOTE: Do not place the sensor on the
patient. Place the bottom of the sensor at
the factory setting distance from the light
or to where the patient’s body is intended
to be in positioned.
3. Press and hold the ON/READ button. “On” is displayed briey, and then the intensity
measurement is displayed. While pressing the button, adjust the aim of the sensor to obtain
the maximum reading.
4. Release the ON/READ button. The intensity measurement locks on the display for
30 seconds and then automatically shuts o to preserve battery life. If more than one
phototherapy light is used on the infant, keep all the lights on to accurately measure the
intensity of light.
Figure 5. Measuring overhead lights
Factory setting
distance OR
intended distance
to patient
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NOTE: Refer to the service manuals
provided with the dierent model(s) of
the neoBLUE light(s) for instructions on
adjusting the light intensity using this
radiometer.
To measure neoBLUE blanket and
neoBLUE cozy lights:
1. Connect the sensor to the readout.
2. Place the sensor, with the white diuser
facing down, in the middle of the lighted
side of the covered mattress (see
Figure 6). The disposable cover should
be on the mattress.
NOTE: Place the entire white diuser of the sensor over the lighted area of the mattress to avoid
inaccurate measurements.
3. Press and hold the ON/READ button. “On” is displayed briey, and then the intensity
measurement is displayed.
4. Release the ON/READ button. The intensity measurement locks on the display for 30
seconds and then automatically shuts o to preserve battery life.
Caution: Do not leave the radiometer under radiant warmer or in incubator for extended
periods of time because inaccurate readings can occur.
3.5 Messages
The following messages may be displayed on the readout.
Figure 6. Measuring the neoBLUE blanket system
DISPLAY MESSAGE DESCRIPTION
Low Bat Battery power is low; replace the battery (see page 6).
150.0 Over Range If 150.0 ashes on the display when the ON/READ button is
pressed, the intensity is greater than 150 μW/cm²/nm and is out
of range of the Radiometer.
- - - Error If dashes ash on the display when the ON/READ button is
pressed, an error condition is present:
• The sensor may not be connected. Check the sensor
connection.
• The sensor may have failed. Try to read again. If the problem
continues, contact Natus Technical Service or your local Natus
representative (see page 8).
• The digital readout may have failed. Try to read again. If the
problem continues, contact Natus Technical Service or your local
Natus representative (see page 8).
neoBLUE®Radiometer User Manual 6
4. CLEANING
Caution: Regularly clean unit per hospital infection control procedures to prevent
cross-contamination.
Caution: Do not allow liquid to enter the Radiometer case because this can cause
electrical damage.
To clean the neoBLUE Radiometer:
Conrm that the neoBLUE Radiometer is o. Press the ON/READ button to turn it o.
Using a soft cloth dampened with a mild detergent solution or with soap-and-water, wipe down
all exterior surfaces of the neoBLUE Radiometer and power cord. Cleaning the neoBLUE
Radiometer may also be accomplished with standard hospital disinfectants.
NOTE: The following hospital disinfectants are safe to use on this product (Cavicide/CaviWipes,
PDI Sani-Cloth wipes, Clorox Germicidal wipes, Sporicidin, 5% bleach).
5. MAINTENANCE AND SERVICE
Only qualied technicians should maintain or service this device.
Read and be familiar with this instruction manual before maintaining or servicing this device.
Caution: Do not allow liquid to enter the neoBLUE Radiometer case because this can
cause electrical damage.
Caution: The printed circuit boards (PCBs) contain static sensitive parts. Always use
appropriate electrostatic discharge protection, such as an electrical-grounding wrist strap, when
working with internal components.
To ensure accuracy, factory-calibrate the neoBLUE Radiometer to a radiometric standard
annually (see Calibrating the neoBLUE Radiometer).
5.1 Replacing the Battery
Required items:
- 5/64-in. Allen wrench
- 9-volt alkaline, non-rechargeable battery
(ANSI/NEDA type 1604A or IEC type
6LR61)
To replace the battery:
1. Remove the back cover: Loosen and
remove the four screws that secure
the back cover of the readout (see
Figure 7).
NOTE: The back cover illustrates how to
remove and insert the battery.
2. Insert the new 9-volt battery into the
battery holder.
3. Verify proper operation.
Figure 7. Replacing the battery
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5.2 Calibrating the neoBLUE Radiometer
The neoBLUE Radiometer was factory calibrated to a radiometric standard traceable to the
National Institute of Standards and Technology (NIST). The calibration certicate is enclosed with
this manual.
To assure continued accurate measurement of irradiance, the neoBLUE Radiometer should be
recalibrated every 12 months to a radiometric (irradiance) standard. Because certain calibration
factors are stored in the its memory, the neoBLUE Radiometer must be recalibrated at the factory.
The date of the last calibration and the date calibration is due are labeled on the readout and
sensor. Both the readout and the sensor should be returned for calibration.
5.3 Service and Repair
The neoBLUE Radiometer has no customer serviceable parts and must be returned to the factory
or an authorized service center for all repairs and parts replacement. After any service, the
neoBLUE Radiometer must be recalibrated to assure accurate measurement of irradiance.
Caution: Customer attempts to service the neoBLUE Radiometer will invalidate the
warranty and may result in irreparable damage.
5.4 Returning for Calibration or Service
The readout and the sensor must be returned together for calibration or service.
When sending equipment for service:
- Contact Natus Technical Service for a Return Merchandise Authorization (RMA) number and
the location where the equipment should be sent.
- Clean the device, securely package it, and include the RMA number on the outside of the box.
- In the U.S., ship the equipment to:
Natus Medical Incorporated
5900 First Ave South
Seattle, WA 98108 USA
5.5 Contacting Natus Medical
To order additional neoBLUE Radiometer or sensors, contact:
Natus Medical Incorporated
5900 First Avenue South
Seattle, WA 98108 USA
Telephone: +1-650-802-0400
Fax: +1-650-802-0401
Technical Service: +1 888 496 2887
Customer Service: +1 800 303 0306
Customer Service Fax: +1 650 802 6620
E-mail: [email protected]
International Support: Please contact your local Distributor.
Distributor locations can be found at www.natus.com
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