Anaesthetic machine
First Claim
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1. An anaesthetic machine comprising:
- a gas flow generator having an inlet and an outlet;
a first system of flow paths connected between said outlet and said inlet, and adapted for connection to airways of a subject;
a second system of flow paths connected between said outlet and said inlet;
a source of anaesthetic communicating at least with said first system of flow paths;
a shunt valve connected at said outlet of said gas flow generator for regulating an amount of gas flowing into said first system of flow paths and into said second system of flow paths, respectively; and
a control unit connected to said shunt valve for controlling a degree of division of said amount of gas into said first system of flow paths and into said second system of flow paths, respectively.
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Abstract
An anaesthetic machine for connection to a patient'"'"'s airways has a fan with an inlet and an outlet, a first system of flow paths connected between the fan'"'"'s outlet and inlet, and a second system of flow paths connected between the fan'"'"'s outlet and inlet. A fast system with wide variability with respect to operating modes is achieved by arranging a shunt valve at the fan'"'"'s outlet in order to regulate the amount of gas flowing into the first system of flow paths and the second system of flow paths respectively, and a control unit is provided to control the shunt valve.
54 Citations
8 Claims
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1. An anaesthetic machine comprising:
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a gas flow generator having an inlet and an outlet;
a first system of flow paths connected between said outlet and said inlet, and adapted for connection to airways of a subject;
a second system of flow paths connected between said outlet and said inlet;
a source of anaesthetic communicating at least with said first system of flow paths;
a shunt valve connected at said outlet of said gas flow generator for regulating an amount of gas flowing into said first system of flow paths and into said second system of flow paths, respectively; and
a control unit connected to said shunt valve for controlling a degree of division of said amount of gas into said first system of flow paths and into said second system of flow paths, respectively. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification