The Model 646 Nebulizer converts liquid into aerosol via high velocity, compressed air stream. Used in conjunction with a DeVilbiss brand compressor, it delivers consistent aerosol particles to the lungs of COPD patients.

Features and Benefits

Designed for comfortable administration of fine mists of uniform density to reach deep into the lung cavity
Unique "T" piece design allows the patient to leave the nebulizer in the mouth while exhaling
Can be hand-operated or compressed air driven with a DeVilbiss brand compressor
Break-resistant nebulizer that easily disassembles for sterilization using methods such as autoclaving, boiling, or cold sterilization
MMAD (Mass Median Aerodynamic Diameter) of 5 microns, ensuring efficient delivery of medication
5 cc capacity for holding medication
Comes complete with tubing, activator valve, mouthpiece, and extra jet for convenience
Nebulization Time (3ml) of 0-2/75 - 0.4 ml/minute for efficient and effective treatment
MMAD (Mass Median Aerodynamic Diameter) of 3 to 5 microns for optimal medication delivery
Maximum Fill Volume of 5 mL for holding an adequate amount of medication
Unit Construction made of Lexan® Plastic for durability and can be cleaned using autoclaving or boiling

Specifications

Capacity: 5 cc
Dimensions: 3" x 1.5" x 2-3/4" (H x W x D)
Weight: 1 oz
MMAD: 3 to 5 microns
Maximum Fill Volume: 5 mL
Unit Construction: Lexan® Plastic
Manufacturer: DeVilbiss
MPN: 646

How to Fill Drive 646 Nebulizer?

Remove port cap and position nebulizer aerosol port in an upward position.
Fill nebulizer through the main aerosol port with a prescribed amount of medication.
The nebulizer is designed with a no-spill internal rim to prevent the medication from accidentally spilling.
Do not fill above o-ring at the base of medication reservoir. Overfilling may cause nebulizer to leak.

How to use Drive 646 Nebulizer?

It is important to be in a comfortable upright position during the treatment.
Fill nebulizer as previously instructed. Attach mouthpiece to T-piece.

Note: The Model 646 nebulizer includes a mouthpiece specifically designed for use with this model. It is not compatible with other sizes of mouthpieces.

Attach nebulizer tubing to a mechanical compressor such as the DeVilbiss 5650, 4650, or 3655 series compressors. If compressed air or oxygen is used, set regulator to permit 5-7 lbs. pressure or a flow of 6-8 liters per minute.
To attain maximum aerosol output, remove air vent cap from side vent of the nebulizer.
Turn on an air compressor. Aerosol will not flow until thumb-valve is closed as described below.
Position mouthpiece between teeth. Place finger over thumb-valve. As aerosol begins to flow, inhale deeply. At the end of the inhalation, remove finger from thumb-valve and hold breath for two seconds.
Remove nebulizer from mouth and exhale slowly.
This procedure should be repeated until all prescribed medication is nebulized.

Note: Blow through T-piece Model 646 nebulizer is designed to remain in the mouth during exhalation if desired.

The nebulizer may be used without a mouthpiece.
Position nebulizer aerosol port in mouth so that aerosol avoids teeth and tongue. Follow same administration procedure as described above.

How to clean Drive Model 646 Nebulizer?

Remove nebulizer tubing from compressor and nebulizer. Remove mask or mouthpiece.
Unscrew upper half of nebulizer from the lower half and rinse all parts under hot tap water after every use.
Daily, wash nebulizer, jet, mouthpiece, thumb-valve in hot, soapy water. If jet is clogged, use cleaning wire (not shown).
Rinse with hot tap water for 30 seconds, then soak in one part white vinegar (>=5% acetic acid concentration) to three parts hot water (131ºF-149ºF/55ºC - 65ºC) for 30 minutes. Rinse with hot tap water and air dry. Replace or clean tubing monthly by following nebulizer cleaning instructions.
To remove excess water from tubing, attach to compressor or air source and allow air to pass through tubing until excess moisture is removed.
A nebulizer is constructed of latex-free polycarbonate that, with the exception of the mouthpiece and o-ring, will withstand sterilization by autoclaving (@ 273ºF for 15 minutes) or boiling. It may also be sterilized with any suitable germicidal agent.
Always prepare a fresh solution for each cleaning cycle.
To avoid possible contamination, the nebulizer should be stored with port and vent caps in place until next treatment.

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