METHOD AND CONTROL DEVICE FOR CONTROLLING THE ADMINISTRATION OF INSULIN TO A PATIENT
First Claim
1. A method for controlling the administration of insulin to a patient comprising:
- setting a target glucose levelcomputing, using a controller, a recommended infusion rate based on the target glucose level and a measured glucose level of a patient for administering insulin to the patient, wherein the controller comprises a controller gain for computing the recommended infusion rate,determining an insulin sensitivity of the patient by means of a mathematical model taking into account the measured glucose level and an actual infusion rate of insulin administered to the patient, anddetermining, based on the insulin sensitivity the controller gain of the controller.
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Abstract
In a method for controlling the administration of insulin to a patient (P) a target glucose level (T) is set and a controller (10) computes a recommended infusion rate (R) based on the target glucose level (T) and a measured glucose level (G) of a patient (P) for administering insulin to the patient (P). The controller (10) comprises a controller gain (K) for computing the recommended infusion rate (R). Herein, an insulin sensitivity (IS) of the patient (P) is determined by means of a mathematical model taking into account the measured glucose level (G) and an actual infusion rate (IR) of insulin administered to the patient (P) and, based on the insulin sensitivity (IS), the controller gain (K) of the controller (10) is determined. In this way a method for controlling the administration of insulin to a patient is provided which in a reliable, computationally efficient manner allows for maintaining a patient'"'"'s blood glucose level at or around a desired target glucose level.
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Citations
14 Claims
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1. A method for controlling the administration of insulin to a patient comprising:
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setting a target glucose level computing, using a controller, a recommended infusion rate based on the target glucose level and a measured glucose level of a patient for administering insulin to the patient, wherein the controller comprises a controller gain for computing the recommended infusion rate, determining an insulin sensitivity of the patient by means of a mathematical model taking into account the measured glucose level and an actual infusion rate of insulin administered to the patient, and determining, based on the insulin sensitivity the controller gain of the controller. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A control device for controlling the administration of insulin to a patient, comprising:
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a target setting unit for setting a target glucose level, a controller for computing a recommended infusion rate based on the target glucose level and a measured glucose level of a patient for administering insulin to the patient, wherein the controller comprises a controller gain for computing the recommended infusion rate, a model unit for determining an insulin sensitivity of the patient by means of a mathematical model taking into account the measured glucose level and an actual infusion rate of insulin administered to the patient and an adaption unit for determining, based on the insulin sensitivity, the controller gain of the controller.
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Specification