System for monitoring and delivering medication to a patient and method of using the same to minimize the risks associated with automated therapy
First Claim
1. A system for controlling an automation of insulin therapy, the system comprising:
- a sensor connected with a controller, the sensor configured to detect measurements responsive to a glucose level in a patient; and
one or more hardware processors configured to;
determine a change in glucose level from the measurements;
determine an insulin volume for delivery to the patient based on the change in glucose level;
apply a predetermined risk assessment matrix to the change in glucose level and the determined insulin volume;
estimate a risk in automatically delivering the insulin volume to the patient based on the application of the predetermined risk assessment matrix; and
control pump for the delivery of the insulin volume to the patient based on the estimated risk in automatically delivering the insulin volume,wherein the one or more hardware processors are further configured to detect failure in an infusion system and stop the automated delivery of the insulin based on the detected failure.
1 Assignment
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Accused Products
Abstract
A system and method for monitoring and delivering medication to a patient. The system includes a controller that has a control algorithm and a closed loop control that monitors the control algorithm. A sensor is in communication with the controller and monitors a medical condition. A rule based application in the controller receives data from the sensor and the closed loop control and compares the data to predetermined medical information to determine the risk of automation of therapy to the patient. A system monitor is also in communication with the controller to monitor system, remote system, and network activity and conditions. The controller then provides a predetermined risk threshold where below the predetermined risk threshold automated closed loop medication therapy is provided. If the predetermined risk threshold is met or exceeded, automated therapy adjustments may not occur and user/clinician intervention is requested.
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Citations
17 Claims
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1. A system for controlling an automation of insulin therapy, the system comprising:
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a sensor connected with a controller, the sensor configured to detect measurements responsive to a glucose level in a patient; and one or more hardware processors configured to; determine a change in glucose level from the measurements; determine an insulin volume for delivery to the patient based on the change in glucose level; apply a predetermined risk assessment matrix to the change in glucose level and the determined insulin volume; estimate a risk in automatically delivering the insulin volume to the patient based on the application of the predetermined risk assessment matrix; and control pump for the delivery of the insulin volume to the patient based on the estimated risk in automatically delivering the insulin volume, wherein the one or more hardware processors are further configured to detect failure in an infusion system and stop the automated delivery of the insulin based on the detected failure. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for controlling an automation of insulin therapy, the method comprising:
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determining a change in glucose level from measurement received from a sensor; determining an insulin volume for delivery to the patient based on the change in glucose level; applying a predetermined risk assessment matrix to the change in glucose level and the determined insulin volume; estimating a risk in automatically delivering the insulin volume to the patient based on the application of the predetermined risk assessment matrix; controlling pump for the delivery of the insulin volume to the patient based on the estimated risk in automatically delivering the insulin volume; and detecting failure in an infusion system and stop the automated delivery of the insulin based on the detected failure. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A system for controlling an automation of insulin therapy, the system comprising:
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a sensor connected with a controller, the sensor configured to detect measurements responsive to a glucose level in a patient; and one or more hardware processors configured to; determine a change in glucose level from the measurements; determine an insulin volume for delivery to the patient based on the change in glucose level; apply a predetermined risk assessment matrix to the change in glucose level and the determined insulin volume; estimate a risk in automatically delivering the insulin volume to the patient based on the application of the predetermined risk assessment matrix; and control pump for the delivery of the insulin volume to the patient based on the estimated risk in automatically delivering the insulin volume, wherein the estimation of risk is determined on a supervisory computing system that is independent from a closed loop control system.
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Specification