Blood monitoring system
First Claim
1. A device for periodically monitoring at least one predetermined parameter of blood from a patient, comprising:
- access device for gaining access to said blood with a catheter;
a pump to withdraw blood from the patient in a predetermined time schedule;
a dispenser to dispense a small amount of blood and provide a blood sample;
at least one sensor in contact with said blood sample; and
a signal processor to measure a signal produced by the at least one sensor upon contact with the blood sample where the signal is indicative of said at least one predetermined parameter.
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Accused Products
Abstract
The present invention is directed towards apparatuses and methods for the automated measurement of blood analytes and blood parameters for bedside monitoring of patient blood chemistry. Particularly, the current invention discloses a programmable system that can automatically draw blood samples at a suitable programmable time frequency (or at predetermined timing), can automatically analyze the drawn blood samples and immediately measure and display blood parameters such as glucose levels, hematocrit levels, hemoglobin blood oxygen saturation, blood gases, lactate or any other blood parameter.
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Citations
20 Claims
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1. A device for periodically monitoring at least one predetermined parameter of blood from a patient, comprising:
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access device for gaining access to said blood with a catheter;
a pump to withdraw blood from the patient in a predetermined time schedule;
a dispenser to dispense a small amount of blood and provide a blood sample;
at least one sensor in contact with said blood sample; and
a signal processor to measure a signal produced by the at least one sensor upon contact with the blood sample where the signal is indicative of said at least one predetermined parameter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for periodically monitoring at least one predetermined parameter of blood from a patient by accessing blood with a catheter, comprising the steps of:
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automatically withdrawing blood from the patient in a predetermined time schedule;
dispensing a small amount of blood through a dispenser;
bringing at least one sensor in contact with the dispensed blood; and
processing a signal produced by the sensor upon contact with the dispensed blood to measure said at least one parameter. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification