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Equinox® Advantage - User manual
1. Introduction
1.1. Indications for Use
The Equinox® Advantage N
2
O/O
2
Analgesic Gas Mixing and
Delivery System is intended to administer an adjustable mixture
of Nitrous Oxide analgesic gas and Oxygen, on demand, to a
conscious, spontaneously breathing patient.
The device is suitable for use in:
• Pre-hospital (emergency medical) use, and
• In-hospital use (ER, Labor and Delivery etc.)
1.2. Contraindications
The contraindications for this device include, but may not be
limited to:
• Hypersensitivity to the medication
• Head injuries with impaired consciousness
• Maxillofacial injuries
• Artifi cial, traumatic or spontaneous pneumothorax
• Air embolism
• Middle ear occlusion, ear infection
• Decompression sickness
• Abdominal distension / intestinal obstruction
1.3. Product Description/Principles of Operation
Two input connectors are provided on the device for the
connection of pressure regulated gas sources of nitrous oxide and
oxygen. The device has only one control for turning ON or OFF.
When it is turned ON, the output of N
2
O/O
2
gas mixture will only
be activated by an inspiratory eff ort by the patient. The output
of gas mixture can be selected among various percentages from
25%/75% (O
2
/N
2
O) to 100%/0% (O
2
/N
2
O).
The gas specifi c built-in alarm systems will generate both visual
and audible alarms should either the nitrous oxide or oxygen
input fall below 40 PSI, and the device will be automatically shut
Note:
Nitrous Oxide/Oxygen (N
2
O/O
2
) mixtures must never
be used in any condition where air is trapped in the body and
expansion (up to 3x original size) would be dangerous. For
example, it will exacerbate pneumothorax and increase pressure
from any intracranial air. Air in any other cavities such as the
sinuses, middle ear and abdomen may also expand.
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