Systems and methods for determining respiration metrics
First Claim
1. A respiration information device, comprising:
- timer circuitry configured to time a plurality of shorter time apertures and a plurality of longer time apertures;
a respiration sensor configured to generate a signal indicative of patient respiration; and
respiration information circuitry configured to determine, for each aperture of the plurality of shorter time apertures and for each aperture of the plurality of longer time apertures, an estimated value of a respiration characteristic based on the respiration, the respiration information circuitry comprising;
measurement circuitry configured to measure the respiration characteristic for each breath cycle of each aperture; and
a respiration processor configured to determine the estimated value of the respiration characteristic for each aperture based on the measurement of the respiration characteristic and configured to determine a maximum respiration value from the estimated values determined for the plurality of shorter time apertures and to determine a minimum respiration value from the estimated values determined for the plurality of longer time apertures.
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Accused Products
Abstract
Systems, devices and methods provide for acquiring respiration information. A respiration information device includes timer circuitry to time a plurality of shorter time apertures and a plurality of longer time apertures. A respiration sensor, which may be implemented as a transthoracic impedance sensor, is configured to generate a signal indicative of patient respiration. For each aperture of the plurality of shorter time apertures and for each aperture of the plurality of longer time apertures, an estimated characteristic of the respiration is determined. Respiration metrics are developed using one or both of the estimated respiration characteristics of the shorter time apertures and the estimated respiration characteristics of the longer time apertures.
152 Citations
19 Claims
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1. A respiration information device, comprising:
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timer circuitry configured to time a plurality of shorter time apertures and a plurality of longer time apertures; a respiration sensor configured to generate a signal indicative of patient respiration; and respiration information circuitry configured to determine, for each aperture of the plurality of shorter time apertures and for each aperture of the plurality of longer time apertures, an estimated value of a respiration characteristic based on the respiration, the respiration information circuitry comprising; measurement circuitry configured to measure the respiration characteristic for each breath cycle of each aperture; and a respiration processor configured to determine the estimated value of the respiration characteristic for each aperture based on the measurement of the respiration characteristic and configured to determine a maximum respiration value from the estimated values determined for the plurality of shorter time apertures and to determine a minimum respiration value from the estimated values determined for the plurality of longer time apertures. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 14, 15, 16, 17, 18, 19)
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11. A medical system, comprising:
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timer circuitry configured to time a plurality of shorter time apertures and a plurality of longer time apertures; a respiration sensor configured to generate a signal indicative of patient respiration; means for determining, for each aperture of a plurality of shorter time apertures and for each aperture of a plurality of longer time apertures, an estimated value of a characteristic of the respiration based on the respiration signal; and means for determining one or more respiration metrics using one or both of the estimated values of the respiration characteristic of the plurality of shorter time apertures and the estimated values of the respiration characteristic of the plurality of longer time apertures; and means for determining a maximum respiration value from the estimated values of the respiration characteristic determined for the plurality of shorter time aperture and for determining a minimum respiration value from the estimated values of the respiration characteristic determined for the plurality of longer time apertures; wherein the respirator characteristic comprises respiration rate. - View Dependent Claims (12, 13)
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Specification