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Chapter 2. Therapy Modes And Features; Inhalation/exhalation Therapy Modes - Philips Respironics CoughAssist T70 User Manual

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2. Therapy Modes and Features

2.1 Inhalation/Exhalation Therapy Modes

Therapy Mode
Manual
Auto
CoughAssist T70
user manual
Manual mode delivers therapy based on the Inhale Pressure and Exhale
Pressure prescription settings. The device delivers the set inhalation
pressure for the amount of time that the Manual switch is held in the
inhalation position. The device delivers the set exhalation pressure for the
amount of time that the Manual switch is held in the exhalation position.
Therapy starts in the pause phase when activated in Manual mode.
Auto mode delivers therapy based on the following prescription settings:
Inhale Pressure, Exhale Pressure, Inhale Time, Exhale Time, and Pause Time.
Auto mode delivers pressure in the following sequence, repeating the
sequence until the user exits the therapy state:
1. Positive pressure at the Inhale Pressure setting for the duration of the
Inhale Time setting.
2. Negative pressure at the Exhale Pressure setting for the duration of the
Exhale Time setting.
3. Atmospheric pressure for the duration of the Pause Time setting.
When the Cough-Trak feature is enabled, Auto mode delivers pressure in the
following sequence, repeating the sequence until the user exits the therapy
state:
1. Positive pressure at the Inhale Pressure setting when the device detects
the patient's effort to inhale for the duration of the Inhale Time setting.
2. Negative pressure at the Exhale Pressure setting for the duration of the
Exhale Time setting.
3. Atmospheric pressure until the device detects the next inspiratory
effort.
The Cough-Trak feature is described in more detail later in this chapter.
Description
Chapter 2 Therapy Modes and Features
13

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