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Smiths Medical is part of the global technology business Smiths Group plc. acapella and 
the Portex and the Smiths Medical design marks are trademarks of Smiths Medical. The 
symbol ® indicates the trademark is registered in the U.S. Patent and Trademark Office 
and certain other countries. All other names and marks mentioned are the trademarks 
or service marks of their respective owners.  ©2014 Smiths Medical. All rights reserved.   
RE194319EN-102014    MKEECA-0060

Smiths Medical ASD, Inc.
Keene, NH 03431, USA
Phone: +1-603-352-3812
Toll-Free USA 1-800-258-5361
www.smiths-medical.com

5. PRECAUTIONS:

5.1   Bleach is not recommended for use on the acapella

®

 duet. It may 

deteriorate the nickel plated mechanism located in the interior of the 

device.

5.2   DO NOT MICROWAVE. The metal and magnet might ignite.

5.3   It is the responsibility of the user to ensure all sterility verification(s).

5.4   Visually inspect the device to ensure that the unit is free of contamination 

 and foreign objects.

5.5   Verify all connections are secure.

6.  

SUGGESTED INSTRUCTIONS FOR USE:

6.1   Initial Settings:

6.1.1   If this is the first use of the acapella

®

 duet device, ensure that the 

frequency adjustment dial is turned to the lowest frequency-resistance 

setting, indicated at “1”. (See Figure 2)

6.1.2   If desired, attach reservoir tubing to the end of the device. (See Figure 3)

6.1.3   Inject prescribed medications into the SVN.

6.1.4   Connect oxygen tubing to the fitting on the base of the SVN.

6.1.5   Connect the other end of the oxygen tubing to a gas supply.

6.1.6   Attach the SVN to the port on the underside of the acapella

®

 duet body

 and turn on gas supply in accordance with SVN instructions. (See Figure 4)

6.1.7   Instruct the patient to relax and take slow deep breaths with a breath 

hold (2-3 seconds). The inspired volume should be larger than normal 

tidal volume (but not total lung capacity).

6.1.8   Direct the patient to exhale to Functional Residual Capacity (FRC) 

 actively, but not forcefully through the device.

6.1.9   The patient should be able to exhale for 3-4 seconds as the device vibrates.

 a.  If the patient cannot maintain an exhalation for this length of time, 

 adjust the dial towards the plus sign to increase resistance.

 b.  Increasing the resistance of the vibrating orifice will allow the patient 

   to exhale at a lower flow-rate.

6.1.10  Selection of the proper resistance range produces the desired 

 inspiratory to expiratory (I:E) Ratio of 1:3 to 1:4.

 a.  Note: If the desired resistance and I:E ratio cannot be achieved, 

consider the use of an alternate acapella

®

 duet device designed for 

different flow ranges.

 b.  Once the proper range has been identified, the patient may be instructed

to exhale harder or softer, or dial adjustments may be made to optimize 

the response that the user “feels” from the vibratory pressure.

 c. Several uses may be needed to ensure that individual patient needs 

   are being met.

6.2   Procedure for the User:

6.2.1   Ensure the adjustment dial is set to the correct range as identified by 

 your clinician.

6.2.2   If desired, attach reservoir tubing to the device.

6.2.3   Place prescribed medication into the SVN.

6.2.4   Connect oxygen tubing to the fitting on the base of the SVN.

6.2.5     Connect the other end of the oxygen tubing to a gas supply.

6.2.6   Attach the SVN to the port on the underside of the acapella

®

 duet body 

 and turn on gas supply in accordance with SVN instructions.

6.2.7   Sit with elbows resting comfortably on table.

6.2.8   Place mouthpiece lightly in mouth.

6.2.9   Be sure to maintain a tight seal on the mouthpiece during exhalation.

6.2.10  Your clinician may recommend the use of a nose clip, if necessary.

6.2.11  If using a mask, apply mask tightly but comfortably over nose and mouth.

6.2.12  Take slow deep breaths, as directed by your clinician, taking in a 

 

larger ‘than normal breath, but not filling your lungs to capacity.

6.2.13  Hold your breath for 2-3 seconds.

6.2.14  Exhale actively, but not forcefully, through the device. Exhalation should 

last approximately 3 to 4 times longer than inhalation.

6.2.15 Perform 20 PEP breaths (or until medication has completely been 

nebulized) as recommended by clinician.

6.2.16 Remove mouthpiece (or mask) and perform 2-3 “huff” coughs to raise 

secretions, as needed. Your clinician may direct you on proper cough 

technique.

7.  

CLEANING AND DISINFECTING INSTRUCTIONS:

 Precaution: 

Bleach is not recommended for use on the acapella

®

 duet. 

It may deteriorate the nickel plated mechanism located in the interior of 

the device.

7.1  

There are four parts to clean:

A. the mouthpiece B. the cover C. the rocker D. the base unit.

7.2   Disassembly:

7.2.1   Detach mouthpiece or mask. (See Figure 5)

7.2.2   Detach the cover by placing your forefinger and thumb on the surface

where the internal ribs are located on the unit toward the mouthpiece.

7.2.3  Gently press on the surface and lift the cover up.

NOTE: The cover should only be lifted to a 90° angle. (See Figure 6)

7.2.4  Detach the rocker by placing your forefinger and thumb on either side 

of the grooved surface and gently lift the rocker up. (See Figure 7)

7.2.5   Detach CAP & TETHER by removing from SVN port on bottom of 

main body.

7.3 

Cleaning/Disinfecting Instructions

As per the Cystic Fibrosis Foundation’s cleaning and disinfecting guide-

lines entitled, “Respiratory, Stopping the Spread of Germs” 2008, below are 

the guidelines for acapella

®

 duet.

Note: acapella

®

 duet is for single-patient use

PRECAUTIONS

:

It is the responsibility of the user to ensure all sterility verification(s).

Smiths Medical recommends cleaning on a regular basis, or right after 

each use, especially if used in conjunction with a nebulizer. Always clean 

your hands first.

7.3.1   Cleaning: This should be done prior to Disinfecting (7.3.2)

Cleaning with Liquid Dish Detergent:

As needed, detach mouthpiece (mask) then soak the device and mouth-

piece in warm, soapy water as required to remove visible contami-

nants. Use a liquid dish detergent (Dawn

®

 or equivalent), mixing two (2) 

tablespoons of detergent per one (1) gallon water. Rinse thoroughly with 

sterile water, and allow parts to air dry.

Drain the device by placing it in a normal resting posiiton. (See Figure 5)

7.3.2   Disinfecting:

•  Boiling –Boil device in water (100°C/212°F) up to twice daily for five (5) 

minutes. In addition, Smiths Medical suggests the use of distilled or 

sterile water to lessen the potential of local community, mineral-rich 

tap waters from calcifying acapella

®

 duet’s metallic components.

•  Autoclaving – acapella

®

 duet will functionally withstand autoclaving at 

   temperatures not to exceed 136°C/277°F for a maximum of 30 cycles.

•  Automatic Dishwasher – acapella

®

 duet is dishwasher safe. It is 

   recommended to place the parts on the top shelf.

•  Alcohol – Soak five (5) minutes, twice daily. acapella

®

 duet is 

   compatible with 70% isopropyl alcohol. Rinse with sterile water. You 

   can make water sterile by boiling for five (5) minutes.

•  Hydrogen Peroxide –Soak in 3% hydrogen peroxide for 30 minutes. 

Rinse with sterile water. You can make water sterile by boiling for five 

(5) minutes.

•  Control III Disinfectant Germicide –Follow the manufacturer’s 

   suggested dilution and soak time duration criteria.

•  Glutaraldehydes (Cidex

®

 or equivalent) – acapella

®

 duet will maintain  

   its integrity using cold sterilizing solutions such as glutaraldehydes.

7.4 Reassembly:

7.4.1   Put rocker assembly/platform base back into the base unit. Make sure 

it is firmly seated by gently pressing rocker assembly down (fingers 

gripping the sides of rocker assembly).

7.4.2  Attach the cover by placing it back into hinges of base unit. Place cover 

onto its original position. Make sure you hear a “click” to ensure it is 

attached securely.

7.4.3   Attach mouthpiece by slightly pressing the top and bottom of unit 

together while you slip on mouthpiece.

8. 

 DISPOSAL:

Dispose of acapella

®

 duet in a safe manner according to Federal/State/

Local regulations and guidelines for disposal of contaminated medical 

waste.

9.  

ESTIMATED DEVICE LIFETIME:

Assuming the manufacturer recommended cleaning protocol is 

followed, the acapella

®

 duet device should have a useful life of six (6) 

months under normal and customary usage.

The six (6) month usage duration is measured from the date of initial use.

 acapella

® 

duet  Contents Quantity 

 Reference Number 

 

Per Case

 

REF   27-9000 

 

acapella

®

 duet, mouthpiece,  

10

 

   

SVN, oxygen tubing, flex tubing

 
 

REF   27-9001

 

acapella

®

 duet and  

10

 

   

mouthpiece only 

PRODUCT(S) DESCRIBED MAY NOT BE LICENSED OR AVAILABLE FOR SALE IN CANADA AND OTHER COUNTRIES

Caution • Latex Free • Do not use if package is damaged • Non-sterile 
• Contains or Presence of Phthalate: bis(2-ethylhexyl) phthalate (DEHP)
[www.smiths-medical.com/phthalates] • Catalogue Number • Batch Code 
• Date of Manufacture
Caution: Federal (U.S.A.) law restricts this device to sale by or on the order of 
a physician. SINGLE PATIENT USE

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