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Modeling of Pharmaceutical Propagation

A method of modeling propagation of a pharmaceutical fluid in a patient, includes: collecting data corresponding to a time response curve resulting from injection of the fluid; and determining at least one mathematical model describing the data. The mathematical model can, for example, be a model which is not determined by a continuous or a discrete-time Fourier transform of the data. A method of controlling injection of a pharmaceutical fluid into a patient using an injector in a medical procedure, includes: collecting data corresponding to a patient response curve resulting from injection of the fluid; determining at least one mathematical model describing the data; and controlling the injector during the medical procedure to control injection of the fluid into the patient to create patient response at least in part on the basis of the mathematical model. A method of controlling injection of a contrast medium into a patient using an injector in a medical imaging procedure using an imaging scanner, includes: determining at least one mathematical model to predict a time enhancement response resulting from injection of the contrast medium; determining an injection protocol to approximate a predetermined time enhancement response in the patient by determining a constrained input solution to the mathematical model; and using the injection protocol to control the injector during the medical imaging procedure to control injection of the contrast medium into the patient to create an image of a region of interest.
Owner:BAYER HEALTHCARE LLC

Modeling of pharmaceutical propagation

A method of delivering a contrast enhancing fluid to a patient using an injector system, including: determining at least one patient transfer function for the patient based upon data specific to the patient and, the at least one patient transfer function providing a time enhancement output for a given input; determining a desired time enhancement output; using the at least one patient transfer function to determine an injection procedure input; and controlling the injector system at least in part on the basis of the determined injection procedure input. The injection procedure input can determined considering at least one operational limitation or constraint of the injector system. A method of modeling propagation of a pharmaceutical fluid in a patient, includes: collecting data corresponding to a time response curve resulting from injection of the fluid; and determining at least one mathematical model describing the data. The mathematical model can, for example, be a model which is not determined by a continuous or a discrete-time Fourier deconvolution of the data. A method of controlling injection of a pharmaceutical fluid into a patient using an injector in a medical procedure, includes: collecting data corresponding to a patient response curve resulting from injection of the fluid; determining at least one mathematical model describing the data; and controlling the injector during the medical procedure to control injection of the fluid into the patient to create patient response at least in part on the basis of the mathematical model. A method of controlling injection of a contrast medium into a patient using an injector in a medical imaging procedure using an imaging scanner, includes: determining at least one mathematical model to predict a time enhancement response resulting from injection of the contrast medium; determining an injection protocol to approximate a predetermined time enhancement response in the patient by determining a constrained input solution to the mathematical model; and using the injection protocol to control the injector during the medical imaging procedure to control injection of the contrast medium into the patient to create an image of a region of interest. Patient transfer functions for the patient of the present invention can also be based at least in part on a measurement of cardiac output of the patient. Likewise, mathematical models of the present invention can be based at least in part on a measurement of cardiac output of the patient.
Owner:BAJER MEDIKAL KEHA INK
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