1. Introduction
Intended Use
The ConchaTherm® Neptune™ (also referred to herein as ‘humidifier’) is a respiratory humidifier
designed to heat and humidify respiratory gases delivered via endotracheal tubes, nasal cannula or
face masks to adult, pediatric and infant/neonatal patients. This system may be used with either
conventional (non-heated wire) breathing circuits or compatible (21-volt) Hudson RCI heated-wire
circuits.
The ConchaTherm Neptune can be used with ventilators, continuous flow systems, oxygen diluters
and blenders, adjustable nebulizer adapters for aerosol therapy, or non-flammable anesthesia gases
to help maintain patient body temperature.
Product Features
• Automatic operation with factory defaults or previous use selections for mode, proximal
airway temperature, temperature gradient and pause time, or fully adjustable, if desired.
• User selectable Supra- and Sub-Glottic airway modes
• May be used with heated-wire or non-heated wire circuits
• Automatic detection of adult, pediatric and infant heated-wire circuits
• Digital temperature display
• Heater-to-patient temperature gradient for control of condensation
• Enhanced temperature gradient to accommodate higher inlet gas temperatures
• Responsive membrane front panel
• Internationally accepted Graphic Icon Front Panel
• LED prompts and audio-visual alarms permit rapid detection and correction of problems
• Temperature tracking alarms at 2°C above or below the selected airway temperature.
• Low Airway tracking alarm not activated until system reaches Airway Set-Point (within 2°C)
• Fixed high-temperature alarm at 41.0°C
• Disconnected/dislodged probe indicators
• Heated-wire disconnect alarm when using heated-wire circuits
• User adjustable pause time from 5 to 60 minutes.
• Continuous self-diagnostic evaluation of hardware and software
• Low Humidity Advisory
Setup Diagrams
2
Figure 1: The CochaTherm Neptune Using a
Conventional Circuit
Figure 2: The CochaTherm Neptune Using a
Heated-Wire Circuit
FROM VENTILATOR
PLACE COLUMN
PROBE HERE
CONCHA COLUMN
CONCHA HEATED
HUMIDIFIER
HEATED WIRE
CABLES
(NOT USED)
DUAL TEMPERATURE
PROBE
TO PATIENT
TO VENTILATOR
CONVENTIONAL
BREATHING CIRCUIT
CONCHA 1650ml
RESERVOIR BOTTLE
PLACE PATIENT
AIRWAY TEMPERATURE
PROBE HERE
FROM VENTILATOR
PLACE COLUMN
PROBE HERE
CONCHA COLUMN
CONCHA HEATED
HUMIDIFIER
DUAL TEMPERATURE PROBE
TO PATIENT
TO VENTILATOR
CONCHA 1650ml
RESERVOIR BOTTLE
PLACE PATIENT
AIRWAY TEMPERATURE
PROBE HERE
HEATED WIRE
CABLE (BLUE)
HEATED WIRE (BLUE)
INSPIRATORY
HEATED WIRE CABLE
(YELLOW)
HEATED WIRE EXPIRATORY
(YELLOW) (IF USED)
HEATED WIRE
BREATHING CIRCUIT
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