System and method for determining a treatment dose for a patient
First Claim
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1. An analyte detection system for measuring an analyte in a bodily fluid of a patient, said system comprising:
- a housing;
a fluid handling system disposed within the housing, the fluid handling system comprising;
at least one fluid source passageway within the housing that is configured to be placed into fluid communication with a fluid source;
a patient connection passageway within the housing that is configured to be placed into fluid communication with a venous or arterial line;
a selective junction between the fluid source passageway and the patient connection passageway and within the housing, the selective junction configured to selectively connect the patient connection passageway to an analyzer that is also within the housing;
a valve in fluid communication with the selective junction to selectively allow fluid from the fluid source to pass into the patient connection passageway or to allow bodily fluid from the patient to pass into the analyzer; and
a pump in fluid communication with the selective junction;
a sensor operatively connected to the analyzer and configured to provide information relating to said analyte in a sample of said bodily fluid;
a processor; and
stored program instructions executable by said processor such that said analyte detection system;
automatically initiates and conducts a measurement of said sample with said sensor; and
determines a treatment dose for said patient based on said measurement;
wherein the fluid handling system is adapted to use a single lumen for each of the following;
to withdraw a sample of blood from the patient in a first mode of operation, to return some withdrawn blood to the patient in a second mode of operation, and to deliver the treatment dose to the patient in a third mode of operation.
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Abstract
In certain embodiments, a method of maintaining health of a patient uses an analyte detection system. The analyte detection system is coupled to the patient such that a bodily fluid of the patient is accessible to the analyte detection system. The method includes automatically initiating and conducting a measurement of an analyte in the bodily fluid using the analyte detection system. The method further includes determining a treatment dose for the patient based on the measurement using the analyte detection system.
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Citations
14 Claims
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1. An analyte detection system for measuring an analyte in a bodily fluid of a patient, said system comprising:
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a housing; a fluid handling system disposed within the housing, the fluid handling system comprising; at least one fluid source passageway within the housing that is configured to be placed into fluid communication with a fluid source; a patient connection passageway within the housing that is configured to be placed into fluid communication with a venous or arterial line; a selective junction between the fluid source passageway and the patient connection passageway and within the housing, the selective junction configured to selectively connect the patient connection passageway to an analyzer that is also within the housing; a valve in fluid communication with the selective junction to selectively allow fluid from the fluid source to pass into the patient connection passageway or to allow bodily fluid from the patient to pass into the analyzer; and a pump in fluid communication with the selective junction; a sensor operatively connected to the analyzer and configured to provide information relating to said analyte in a sample of said bodily fluid; a processor; and stored program instructions executable by said processor such that said analyte detection system; automatically initiates and conducts a measurement of said sample with said sensor; and determines a treatment dose for said patient based on said measurement; wherein the fluid handling system is adapted to use a single lumen for each of the following;
to withdraw a sample of blood from the patient in a first mode of operation, to return some withdrawn blood to the patient in a second mode of operation, and to deliver the treatment dose to the patient in a third mode of operation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An analyte detection system for measuring an analyte in a bodily fluid of a patient, said system comprising:
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a housing; an analyzer positioned within the housing; a disposable fluid handling cassette configured for positioning within the housing; a fluid handling system within the disposable cassette, the fluid handling system comprising; a fluid source passageway within the cassette that is configured to be placed into fluid communication with a fluid source; a patient connection passageway within the cassette that is configured to be placed into fluid communication with a venous or arterial line; a selective junction within the cassette between the fluid source passageway and the patient connection passageway, the selective junction configured to selectively connect the patient connection passageway to the analyzer that is also within the housing; a valve in fluid communication with the selective junction to selectively allow fluid from the fluid source to pass into the patient connection passageway or to allow bodily fluid from the patient to proceed to the analyzer; a processor; and stored program instructions executable by said processor such that said analyte detection system; automatically initiates and conducts a measurement of said sample; and determines a treatment dose for said patient based on said measurement; wherein the fluid handling system is adapted to use a single lumen for each of the following;
to withdraw a fluid sample from the patient in a first mode of operation, to return some withdrawn fluid to the patient in a second mode of operation, and to deliver the treatment dose to the patient in a third mode of operation. - View Dependent Claims (11, 12, 13, 14)
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Specification