Methods of detecting gaseous component levels in a breath
First Claim
1. A method for detecting gaseous component levels in a breath, comprising:
- receiving a breath through a breath channel, wherein the breath channel is in fluid communication with a flow rate sensor and an electrochemical fuel cell gas sensor;
measuring a flow rate of the breath received through the breath channel;
measuring a first time, wherein the first time corresponds to an amount of time elapsed while receiving the breath in the breath channel;
calculating a current gaseous component level utilizing the flow rate, first time and an output from the gas sensor.
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Abstract
Method for detecting gaseous component levels in a breath, comprising: receiving a breath through a breath channel, wherein the breath channel is in fluid communication with a flow rate sensor and an electrochemical fuel cell gas sensor; measuring a flow rate of the breath received through the breath channel; measuring a first time, wherein the first time corresponds to an amount of time elapsed while receiving the breath in the breath channel; and calculating a current gaseous component level utilizing the flow rate, first time and an output from the gas sensor. Methods for detecting an error condition while measuring gaseous component levels in a breath comprising: determining if the peak output occurs while breath is still being received in the breath channel; and if the peak output occurs while breath is still being received in the breath channel, alerting a user of an error condition.
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Citations
23 Claims
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1. A method for detecting gaseous component levels in a breath, comprising:
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receiving a breath through a breath channel, wherein the breath channel is in fluid communication with a flow rate sensor and an electrochemical fuel cell gas sensor;
measuring a flow rate of the breath received through the breath channel;
measuring a first time, wherein the first time corresponds to an amount of time elapsed while receiving the breath in the breath channel;
calculating a current gaseous component level utilizing the flow rate, first time and an output from the gas sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for detecting an error condition while measuring gaseous component levels in a breath, comprising:
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receiving a breath through a breath channel, wherein the breath channel is in fluid communication with a flow rate sensor and an electrochemical fuel cell gas sensor;
measuring a flow rate of the breath received through the breath channel;
measuring a first time, wherein the first time corresponds to an amount of time elapsed while receiving the breath in the breath channel;
measuring a peak output form the gas sensor;
determining if the peak output occurs while breath is still being received in the breath channel; and
if the peak output occurs while breath is still being received in the breath channel, alerting a user of an error condition. - View Dependent Claims (11, 12, 13)
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14. A computer program product comprising a computer readable medium carrying instructions for allowing a computer system to detect gaseous component levels in a breath received through a breath channel, the instructions comprising a method of:
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measuring a flow rate of the breath received through the breath channel;
measuring a first time, wherein the first time corresponds to an amount of time elapsed while receiving the breath in the breath channel;
calculating a current gaseous component level utilizing the flow rate, first time and an output from an electrochemical fuel cell gas sensor in fluid communication with the breath. - View Dependent Claims (15, 16, 17, 18, 19)
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20. A computer program product comprising a computer readable medium carrying instructions for allowing a computer system to detect an error condition while measuring gaseous component levels in a breath received through a breath channel, the instructions comprising a method of:
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measuring a flow rate of the breath received through the breath channel;
measuring a first time, wherein the first time corresponds to an amount of time elapsed while receiving the breath in the breath channel;
measuring a peak output form the gas sensor;
determining if the peak output occurs while breath is still being received in the breath channel; and
if the peak output occurs while breath is still being received in the breath channel, alerting a user of an error condition.
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21. A propagated computer data signal transmitted via a propagation medium, the computer data signal comprising a plurality of instructions for detecting gaseous component levels in a breath received through a breath channel, wherein the plurality of instructions, when executed by a processor, cause the processor to perform the act of:
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measuring a flow rate of the breath received through the breath channel;
measuring a first time, wherein the first time corresponds to an amount of time elapsed while receiving the breath in the breath channel;
calculating a current gaseous component level utilizing the flow rate, first time and an output from an electrochemical fuel cell gas sensor in fluid communication with the breath.
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22. A propagated computer data signal transmitted via a propagation medium, the computer data signal comprising a plurality of instructions for detecting gaseous component levels in a breath received through a breath channel, wherein the plurality of instructions, when executed by a processor, cause the processor to perform the act of:
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measuring a flow rate of the breath received through the breath channel;
measuring a first time, wherein the first time corresponds to an amount of time elapsed while receiving the breath in the breath channel;
measuring a peak output form the gas sensor;
determining if the peak output occurs while breath is still being received in the breath channel; and
if the peak output occurs while breath is still being received in the breath channel, alerting a user of an error condition.
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23. A method for detecting gaseous component levels in a breath, comprising:
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receiving a breath through a breath channel, wherein the breath channel is in fluid communication with an electrochemical fuel cell gas sensor;
measuring a volume of the breath received through the breath channel;
calculating a current gaseous component level utilizing the volume and an output from the gas sensor.
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Specification