ResMed Hospital Mask manual Technical Specifications, Unintentional Mask Leak

CAUTIONS

•Do not use solutions containing bleach, chlorine, aromatics, moisturisers, antibacterial agents, or scented oils to clean any part of the system or air tubing. These solutions may cause damage and reduce the life of the product.

•Do not expose any part of the system or tubing to direct sunlight as it may deteriorate.

•If any visible deterioration of a component is apparent (cracking, tears, etc), replace the mask.

Technical Specifications

When determining ventilator settings, and in particular the tidal volume for volume cycled ventilators, make appropriate allowances for mask dead space and leak.

Unintentional Mask Leak

The Unintentional Mask Leak comprises leak between the cushion-frame and elbow-frame interfaces.

Pressure (cm H20):	4–20	20–30
Maximum leak (L/min):	6	12

Dead Space

Dead space is the empty volume of the mask up to the elbow. The dead space of the mask varies according to cushion sizes but is less than 342 mL.

Standards

CE designation in accordance with EC directive 93/42/EEC, class IIa. EN ISO 14971, ISO 5356-1, ISO 594-1, ISO 10993-1 and ISO 13485.

Operating Pressure

0to 40 cm H2O

Resistance

Drop in pressure measured: at 50 L/min: 0.4 cm H2O, at 100 L/min: 1.2 cm H2O

Dimensions

H = 158 mm, W = 230 mm and D = 105 mm (Medium)

Environmental Conditions

Operating temperature: +5°C to +40°C

Operating humidity: 10%–95% relative humidity non-condensing

Storage and transport: -20°C to +60°C

Storage and transport humidity: 10%–95% relative humidity non-condensing

Disposal

This mask contains no hazardous materials and may be disposed of in accordance with local environmental regulations.

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