Chapter 3
3-12 BiPAP® Focus™ Ventilator Service Manual © Respironics, Inc. REF 1029568 Rev A
Theory of Operation
Bacteria Filter
Date of Manufacture
The 12-digit serial number located on the base of the unit indicates the date of
manufacture. From left to right, the fifth and sixth digits indicate the year; the
seventh and eighth, the month; the ninth and tenth, the day. For example, the
serial number 0001050903-20 indicates that the device was manufactured 3
September, 2005.
Storage When the BiPAP Focus is not in use for periods
of 2 weeks or longer, it is recommended that the
unit be stored in a clean, sanitized plastic bag.
Dead space 68 mL
Bacteria/viral filter
efficiency
>99.99%
P/N 342077
Resistance 0.7 cmH
2
O/L/s at 0.5 L/s
Connectors Male connector 15-mm I.D./22-mm O.D.
Female connector 22-mm I.D.
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