Method of monitoring glucose level
First Claim
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1. A non-invasive method of determining the glucose level of blood in a patient comprising the steps of:
- a. non-invasively measuring the speed of sound through the blood of the patient;
b. non-invasively measuring the electrical conductivity of the blood of the patient;
c. non-invasively measuring the heat capacity of the blood of the patient;
d. calculating the corresponding glucose level for each of the measurements of the speed of sound, electrical conductivity of the blood and heat capacity of the blood;
e. comparing the three calculated glucose levels; and
f. 1. if all three calculated glucose levels are similar within a predefined tolerance level, then calculating the final glucose level by determining a weighted average of the three calculated glucose levels;
or 2. if only two of the three calculated levels are similar within a predefined tolerance level, then calculating the final glucose level by determining a weighted average of only the two similar calculated glucose levels.
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Abstract
The method of monitoring or measuring the concentration of glucose level in human and animal blood uses a non-invasive technique and includes measurements of the speed of sound through the blood, the conductivity of the blood, and the heat capacity of the blood, or by non-invasive measurement of any other parameters that can be used to calculate the glucose level. Thereafter, the glucose level for each of the three measurements is calculated and the final glucose value is determined by a weighted average of the three calculated glucose values.
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Citations
19 Claims
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1. A non-invasive method of determining the glucose level of blood in a patient comprising the steps of:
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a. non-invasively measuring the speed of sound through the blood of the patient;
b. non-invasively measuring the electrical conductivity of the blood of the patient;
c. non-invasively measuring the heat capacity of the blood of the patient;
d. calculating the corresponding glucose level for each of the measurements of the speed of sound, electrical conductivity of the blood and heat capacity of the blood;
e. comparing the three calculated glucose levels; and
f. 1. if all three calculated glucose levels are similar within a predefined tolerance level, then calculating the final glucose level by determining a weighted average of the three calculated glucose levels;
or2. if only two of the three calculated levels are similar within a predefined tolerance level, then calculating the final glucose level by determining a weighted average of only the two similar calculated glucose levels. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A non-invasive method of determining the glucose level of blood in a patient comprising the steps of:
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a. non-invasively measuring three distinct parameters of the body from which glucose level can be calculated;
b. calculating the corresponding glucose level for each of the three measurements;
c. comparing the three calculated glucose levels; and
d. 1. if all three calculated glucose levels are similar within a predefined tolerance level, then calculating the final glucose level by determining a weighted average of the three calculated glucose levels;
or2. if only two of the three calculated levels are similar within a predefined tolerance level, then calculating the final glucose level by determining a weighted average of only the two similar calculated glucose levels. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18)
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19. A non-invasive method of determining the glucose level of blood in a patient comprising the steps of:
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a. non-invasively measuring three distinct parameters of the body from which glucose level can be calculated;
b. calculating the corresponding glucose level for each of the three measurements;
c. calculating a glucose level by determining a weighted average of the three calculated glucose levels d. repeating the measurement of one of the parameters;
e. calculating the corresponding glucose level for the measurement of the parameter in step d herein; and
f. periodically repeating steps a-c herein to confirm the accuracy of the glucose calculation.
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Specification