System and method for initiating and maintaining continuous, long-term control of a concentration of a substance in a patient using a feedback or model-based controller coupled to a single-needle or I
A controller, patient technology, applied in the direction of devices, drugs or prescriptions, hypodermic injection devices introduced into the body, etc., can solve problems such as unreliability and time-consuming for patients
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[0037] exist Figure 1-5 A system according to an embodiment of the invention is shown in . Such as figure 1 As shown in FIG. 2 , system 100 may generally be configured as a drug delivery system including a controller 102 , a drug delivery system, and an analyte sensor system 106 . As noted, controller 102 provides control signals that control drug delivery system 104 to deliver the appropriate amount of drug to patient 108 . The analyte sensor system senses the level of an analyte of interest in patient 108 and provides a sensor signal to controller 102 . A reference or set point signal indicative of a target level of the analyte is also input to the controller. The controller 102 may then adjust the control signal accordingly based on the sensor signal and the reference signal to adjust the amount of drug delivered to the patient 108 by the drug delivery system 104 .
[0038] Such as figure 2 As shown in , system 100 may be configured within a portable, wearable closed...
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