Artificial beta cell

Details Artificial beta cell Artificial beta cell

G - Physics

01

N

326/12.4

G01N 33/48 (2006.01) A61B 5/00 (2006.01) A61M 5/172 (2006.01)

Patent

CA 1040271

ABSTRACT OF THE DISCLOSURE An artificial beta cell regulates blood glucose concentration in a subject by continuously analysing blood from the patient and deriving a computer output signal to drive a pump which infuses insulin at a rate corresponding to the signal. A value of blood glucose concentration from the analyzed blood is used by a computer to determine a rate of change of this concentration which in turn is used to derive a projected blood glucose level. A sigmoidal relationship between the projected blood glucose concentration and the rate of infusion is used to determine the actual rate of infusion required and hence an output signal is fed to the pump to create this actual rate of insulin infusion.

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