Method and Apparatus for Delivering a Dose of a Gaseous Drug to a Patient
First Claim
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1. A method for providing a dose of a gaseous drug to a patient that has a respiratory disorder comprising:
- determining a normal resting breath rate for the patient at a particular time;
b. monitoring the current breath rate of the patient;
c. comparing the current breath rate with the normal resting breath rate; and
d. providing a dose of the gaseous drug based on the comparison of the current breath rate with the normal breath rate.
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Abstract
A method and device that can vary the dose of a gaseous drug provided to a patient based on a comparison of the normal resting breath rate for each individual patient and the current breath rate of the patient so that the patient does not become desaturated.
71 Citations
39 Claims
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1. A method for providing a dose of a gaseous drug to a patient that has a respiratory disorder comprising:
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determining a normal resting breath rate for the patient at a particular time; b. monitoring the current breath rate of the patient; c. comparing the current breath rate with the normal resting breath rate; and d. providing a dose of the gaseous drug based on the comparison of the current breath rate with the normal breath rate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 33, 34, 35, 36, 37, 38, 39)
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11. A method for providing a dose of a gaseous drug to a patient that has a respiratory disorder comprising:
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a. determining a standard ratio of inhalation time to exhalation time during a breath for a patient; b. monitoring the current ratio of inhalation time to exhalation time; c. comparing the current ratio of inhalation time to exhalation time with the standard ratio of inhalation time to exhalation time; and d. providing the dose of the gaseous drug based on the comparison of the current ratio of inhalation time to exhalation time with the standard ratio of inhalation time to exhalation time. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A method for providing a dose of a gaseous drug to a patient that has a respiratory disorder comprising:
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a. determining an inhalation window; b. determining an amount of the dose of the gaseous drug based on a duration of the inhalation window; and c. delivering the dose of the gaseous drug within a second inhalation window. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27)
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28. A dosing apparatus for providing a dose of a gaseous drug to a patient that has a respiratory disorder comprising:
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a. a control circuit; b. a vacuum pressure sensor that is connected to a patient to sense patient inhalation and transmits the patient inhalation information to the control circuit; c. a connection port for connection to a gaseous drug supply; d. a gaseous drug delivery device that allows the volume of the gaseous drug delivered to the patient to be varied; and e. a power supply that provides power to the apparatus. - View Dependent Claims (29, 30, 32)
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31. The apparatus as recited 28 wherein the gaseous drug delivery device comprises a variable flow valve.
Specification