CPC A61M 5/007 (2013.01) [A61M 5/1408 (2013.01); A61M 5/14228 (2013.01); A61M 5/14546 (2013.01); A61M 5/14586 (2013.01); A61M 5/148 (2013.01); A61M 5/16877 (2013.01); A61M 5/16881 (2013.01); A61M 2005/14208 (2013.01); A61M 2005/14553 (2013.01); A61M 2205/3331 (2013.01); A61M 2205/3389 (2013.01)] | 20 Claims |
1. A method for correcting a volume of fluid delivered by a fluid injector system during an injection procedure, the method comprising:
determining a fluid volume of a first fluid in at least one fluid reservoir of the fluid injector system;
determining a pressure at which a first programmed volume of the first fluid is to be injected;
calculating a first system volume compliance of the at least one fluid reservoir, one or more fluid injector mechanical components associated with the fluid injector system, and one or more tubing system components based on: the volume of the first fluid, the pressure of the first fluid, and one or more correction factors based on capacitance characteristics of the at least one fluid reservoir and one or more tubing system components, fluid properties of the first fluid, and a component slack of the one or more fluid injector mechanical components associated with the fluid injector system;
calculating a first volume compliance factor of the first fluid in the at least one fluid reservoir based on the first programmed volume of the first fluid and the calculated first system volume compliance; and
compensating for the first volume compliance factor to deliver the first programmed volume by one of: over-driving a distance that a first drive member travels in the at least one fluid reservoir, under-driving the distance that the first drive member travels in the at least one fluid reservoir, increasing a delivery time of the first fluid in the at least one fluid reservoir, and decreasing the delivery time of the first fluid in the at least one fluid reservoir.
|