ADInstruments Human NIBP Nano User manual

Human NIBP
Nano
Quick Start
Get set up and start recording
Non-invasive hemodynamics

6479-D

This guide will help you to quickly set up the Human NIBP Nano System. For detailed
installation and set up instructions and troubleshooting information, please refer to
the Owner’sGuide (also available at www.adinstruments.com/support/manuals).
The Human NIBP Nano System contains the following:
• Human NIBP Nano Wrist Unit
• Height Correction Unit
• LabChart Pro® and Human NIBP Device Enabler soware CDs
• Human NIBP Nano Interface and USB cable and power cable
The Human NIBP Nano Wrist Unit is manufactured by Finapres Medical Systems
(FMS) B.V. (www.finapres.com) for distribution by ADInstruments, and for use with
ADInstruments soware. Finger cus are purchased separately:
• Finger Cu (Large, for finger circumferences 65-75 mm)........................... MLT382/L
• Finger Cu (Medium, for finger circumferences 55-65 mm)....................... MLT382/M
• Finger Cu (Small, for finger circumferences 45-55 mm)........................... MLT382/S
System Requirements
Windows
• A PC capable of running LabChart 8.1.8 or above. For detailed system
requirements please see https://www.adinstruments.com/support/system-
requirements.
PowerLab not required
• An ADInstruments PowerLab is not required to use the Human NIBP Nano System
with LabChart, but you can record data simultaneously into LabChart using a
PowerLab and the Human NIBP Controller.
Overview

The Human NIBP System consists of the following hardware components:
The Human NIBP Nano Wrist Unit
• The Wrist unit is the core of the system. It has input connectors for up to 2
finger cus as well as a the HCU Unit. The long output cable connects the
Human NIBP Nano Interface.
Height Correction Unit (HCU)
• This corrects for hydrostatic pressure changes when the measured hand moves
away from heart level. The HCU consists of a liquid-filled tube connected at
one end to a pressure transducer.
Human NIBP Nano Interface
• The Human NIBP Nano Interface provides power and USB connectivity to the
Wrist Unit. It has a Redel input at the front for connection to the wrist unit and
an IEC power input and USB type B input at the rear. It is supplied with a USB
cable and a power cable appropriate for your country.
What’s in the box
HCU transducer – attach at finger level Reference end – attach at heart level
Connection to Wrist unit
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Power Indicator Redel Connector input
Human NIBP
Nano Interface
Input
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Connect Wrist Unit to Interface
1.Ensure the Redel cable is connected securely to the front panel of the Human
NIBP Nano Interface.
Connect device to your computer
2.Connect the Human NIBP Nano Interface to your
computer using the supplied USB cable.
3.Connect the power cord to a grounded power supply and
to the rear panel of the Human NIBP Nano Interface.
Power on the hardware
Turn on the Human NIBP Nano Interface using the power switch on the rear panel.
1. Unpack the box
Power switch
Connect USB to computer Connect to mains power
USB cable
Power cable
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GLP Client
LabChart®Installers
The Human NIBP Nano System consists of the following soware components:
LabChart Pro®
Human NIBP Device Enabler CD
1.The Human NIBP Device Enabler is a soware addition to LabChart. It is designed
to allow LabChart to recognise the Human NIBP Controller, when it is connected
to your computer, and to open LabChart with the appropriate settings to make
non-invasive blood pressure measurements.
2.Place the Human NIBP Device Enabler CD in the CD drive of your computer.
Alternatively you can download the latest version of the Human NIBP Device
Enabler from here (https://www.adinstruments.com/support/soware)
3.The installer should auto-run. If it doesn’t, see the Read Me on the CD.
4.Alternatively, use LabChart’s Feature Manager
(Help> FeatureManager...) to download the latest
installer.
2. Install soware
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Human NIBP Device Enabler
1.Place the LabChart Pro CD in the CD drive of
your computer. Alternatively you can download
the latest version of LabChart from here (https://
www.adinstruments.com/support/downloads/
windows/labchart)
2.Follow the on-screen instructions to install
LabChart 8.
3.Launch LabChart by double-clicking on the
desktop icon. Enter the activation code when prompted.
4.Check for updates (Help> Check for Updates...) and install the latest LabChart

License Registration
1.When you start LabChart for the first time, a dialog will appear asking you to
enter your license code. Your license code can be found on the LabChart CD
case. If you purchased LabChart Pro then both codes on the back of your CD
case should be entered in turn to unlock all the features of LabChart Pro.
2.Enter your license details.
Device Discovery
On start-up, LabChart performs a Device Discovery process. It should automatically
detect the Human NIBP Nano device which will be indicated by a green tick mark. It
is recommended that the Human NIBP Nano
Interface is powered on BEFORE connecting the
Human NIBP Wrist Unit to the Interface. If the
device is not detected immediately click Device
Scan. If detection continues to fail aer repeated
device scans see the Troubleshooting section in
the Owner’s Guide.
License Activation
Activation is only required once per machine. If a supported PowerLab is already
connected and turned on, your license will activate automatically. Otherwise, you
may choose online or manual activation.
Welcome to LabChart!
LabChart’s Welcome Center opens automatically when LabChart is launched.
1.In the Getting Started tab of the Welcome Center, double-click to open the
Human NIBP settings file.
2.You should see the device name appear at the top of the new document.
3.The Start button should be enabled and you are now ready to start recording.
3. Start LabChart

Apply finger cuff(s)
Warning!Finger cus will be damaged if allowed to inflate without a finger (or
another, appropriately sized object) inside them.
Proper finger cu application is critical for success with the Human NIBP Nano. Select
the proper finger cu size. If in doubt, choose the smaller finger size cu.
1.Open the finger cu just enough to be able to see the LED and photodiode (or
photocell, PC).
2.Place the middle, index or ring finger in the cu. The LED and photocell should
be symmetrically placed on each side of the finger’s so parts in the center of the
middle phalanx.
3.Lead the cu cable and air hose in between two fingers to the back of the hand.
Here these connect to the Wrist Unit.
4.Make sure the finger cu is placed centered between two knuckles, touching each
knuckle.
5.Wrap the finger cu tightly for best performance. A common mistake is to not
wrap the finger cu tightly enough.
6.If finger cu switching is to be used, repeat steps 1–5 to apply a finger cu to a
second finger. Finger-switching is recommended for measurements of 1 hour or
longer.
4. Before starting a measurement
1. Select the correct
cu using the cu
size guide.
2. Wrap the cu tightly,
preferably around the
middle finger, between the
joints. Make sure the cable
and tube point towards the
wrist.
3. Center the LED
and photocell
symmetrically
around the finger.
Finger cross-section
Arteries
LED light emitting diode PC photocell
Bone

Instructions
Zero the HCU
Perform the height correction procedure before attaching
the HCU Unit to the volunteer.
1.Hold the HCU transducer and the reference point at
the same level.
2.In LabChart, click Setup > NIBP HCU andtest...
3.In the Human NIBP Settings dialog, click Zero.
Once the HCU has successfully been zeroed a confirmation
message is displayed.
The Wrist Unit is connected to the Human NIBP Controller
by a cable assembly.
1.Apply the Wrist Unit to the volunteer’s wrist and
fasten the strap firmly so that it cannot twist.
2.Guide the cable assembly along the arm and
fasten the arm straps.
3.Insert the cu cable and air hose connectors for
each finger cu into the Wrist Unit.
4.Ensure the HCU is connected to the Wrist Unit.
5.The HCU transducer should be attached to the
finger cu and the reference end should be
attached at heart level.
Apply the Wrist Unit and HCU
C1 HCU C2
Reference end
HCU transducer
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In LabChart, click Setup > NIBP Settings... to open the Settings dialog. The default
options are a good starting point.
1.Auto-calibration (or AutoCal) – is an ongoing calibration, which greatly
improves the accuracy measurements.
• AutoCal is performed frequently at the start of a measurement but – once the
correct, unloaded diameter of the finger artery is established – is repeated only
once every 70 heart beats.
• If the volunteer is moving around a lot, such as during exercise, the AutoCal
function does not improve accuracy and should be turned o.
2.Finger cu switching – select ‘switch cus’, and assign the first cu to start
measuring and between 4 switching periods (1, 15, 30 and 60 minutes), or choose
to measure a specific cu Cu1 (C1) or Cu2 (C2).
• For measurements longer than 1 hour always select finger switching, since a
prolonged measurement on one finger can be unpleasant for the volunteer.
• The 1-minute interval is for testing purposes only.
• Switching interval can be changed at any time.
5. Choose Human NIBP settings

To start a blood pressure measurement simply click Startin LabChart.
Before you start a measurement...
1.Check that finger cu(s) are applied and that these are not easy to rotate.
2.Make sure the HCU has been zeroed and is attached to the volunteer.
3.Ensure you have selected your settings for the finger blood pressure
measurement in the NIBP Settings dialog.
The first time you click Start, the following Warning dialog will appear:
• To proceed, click Sample.
• To delay a measurement, click Cancel.
• This dialog will not reappear within the same LabChart session.
Warnings to prevent finger cu damage:
• Don’t apply air pressure to a finger cu when it is not wrapped around a finger
(or any other solid object!) as this will damage the finger cu.
• Don’t remove the finger cu from a finger before stopping the measurement or
before disconnecting the air hose from the Wrist Unit.
• Don’t bend finger cus outwards into a flat shape.
• Don’t attempt to repair defective finger cus as this will substantially aect
measurement accuracy.
6. Start a measurement

To stop a measurement, simply click Stop in LabChart. Once you have stopped a
measurement, it is recommended to:
1.Disconnect the finger cu air hoses from the Wrist Unit – this removes residual
air pressure from the finger cus and protects them from accidental inflation and
damage.
2.Unwrap and remove the finger cus(if you have completed your measurement).
3.Inspect the finger aer removing a finger cu – see if you can find the places
where the LED and photodiode have pressed on the finger skin (see Figure below).
• Verify that the pressure points are correctly centered between the knuckles and
symmetrically placed on opposite sides of the finger.
• The most common reason for inaccurate finger blood pressure readings is
incorrect cu application.
• If a cu is applied too tightly, an unrealistically low reading may result.
• Conversely, if the cu is applied too loosely, unrealistically high blood pressure
readings may occur.
7. Stop a measurement
Cus are used to measure blood pressure at the finger. Correct sizing and
positioning are important to obtain reliable measurement results.
Incorrect
Cable and tube
point in the wrong
direction
Incorrect
Cu is rotated
Incorrect
Cu is too close to
the hand

1.If the Human NIBP Nano is returning error messages or failing to start a
measurement, it is recommended to:
• Disconnect the finger cu air hoses from the Wrist Unit.
• Shut down LabChart.
• Turn the Human NIBP Nano Interface o and back on.
• Unplug the USB cable, then reconnect it.
• Reapply the finger cu(s).
• Restart LabChart before resuming a measurement.
2.Operating conditions
• The Human NIBP Nano has a narrow temperature operating range (10–40°C)
and should be placed apart from other equipment for optimal operation.
• It is best to perform measurements at room temperature.
• It is important to keep the hand warm during ambulatory measurements.
• If blood pressure is measured on cold fingers, the measurement can be diicult
or even impossible.
3.Height correction
• The height reference level should be selected carefully. If the subject is walking
or sitting it is best to place the reference part on the chest at the level of the
right atrium in the mid-axillary line.
• In the recumbent (lying) position it is best to place the reference ending at mid-
chest level.
• If the experiment focuses on the dynamic response of the hemodynamic system
aer a change in posture it is usually best to keep both the transducer and the
reference ending at the level of the right atrium to avoid a dynamic response of
the height correction system.
• As a general rule, try to keep the cued fingers approximately at heart level,
even with a connected height correction unit. The HCU pressure should not
exceed ±20 mmHg.
• The HCU tubing should be free of bends and unobstructed in any way.
8. Troubleshooting

Statement of intended use
All products supplied by ADInstruments are intended for use in teaching and research
applications and environments only.
ADInstruments products are NOT intended to be used as medical devices or in medical
environments. That is, no product supplied by ADInstruments is intended to be used
to diagnose, treat or monitor a subject. Furthermore no product is intended for the
prevention, curing or alleviation of disease, injury or handicap.
This product meets the IEC60601-1 standard, under the principle that:
• it is a more rigorous standard than other standards that could be chosen.
• it provides a high safety level for subjects and operating personnel.
Avoiding injury to subjects and personnel
• Finger cus shouldn’t be applied to any body part other than the fingers.
• Do not over tighten the Wrist Unit strap as that will cut o circulation to the
hand, leading to discomfort and measurement errors.
• Do not wrap finger cus around a toe or the wrist of an infant.
• For safe and reliable operation and optimal accuracy only use finger cus
manufactured by ADInstruments and FMS.
• Physiological signals acquired by other devices, such as respiratory signals and
ECGs, can be connected to the ADInstruments PowerLab system for recording
while making blood pressure measurements using the Human NIBP Controller.
• Note that any connected equipment has to meet the IEC specifications
(IEC601 for electromedical devices or IEC950 for data processing devices). The
configuration has to meet the IEC system standard (IEC601-1-1). Connection of
additional devices implies a responsibility to adhere to the IEC601-1-1 standard.
• If any of the components of the Human NIBP System appear damaged in any
way, please contact your ADInstruments® representative.
Further resources

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of any ADI product or solution — software, hardware or both — and covers all obligations and
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