Apparatus, systems and methods for an infusion pump assembly
First Claim
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1. A medical infusion device for delivering an infusible medical fluid comprising:
- a disposable housing assembly and reusable housing assembly wherein the reusable housing assembly further comprising a locking ring assembly, wherein the reusable housing assembly releasably engages the disposable housing assembly by way of the locking ring assembly wherein the locking ring assembly comprising;
a spring;
a tab that connects to the spring; and
a magnet that connects to the tab;
a pump having a minimum and maximum pulse volume;
a controller configured to;
determine a first volume of infusible medical fluid delivered; and
based on the first volume of infusible medical fluid delivered, determine a time and volume for delivery of a second volume of infusible fluid.
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Abstract
A system for delivery of a volume of infusible fluid. The system includes a controller configured to calculate a trajectory for delivering infusible fluid, the trajectory comprising at least one volume of fluid, and determine a schedule for delivering the at least one volume of fluid according to the trajectory, wherein the schedule comprising an interval and a volume of infusible fluid for delivery. The system also includes a volume sensor assembly for determining the at least one volume of fluid delivered, wherein the controller recalculates the trajectory based on the volume of fluid delivered.
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Citations
17 Claims
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1. A medical infusion device for delivering an infusible medical fluid comprising:
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a disposable housing assembly and reusable housing assembly wherein the reusable housing assembly further comprising a locking ring assembly, wherein the reusable housing assembly releasably engages the disposable housing assembly by way of the locking ring assembly wherein the locking ring assembly comprising; a spring; a tab that connects to the spring; and a magnet that connects to the tab; a pump having a minimum and maximum pulse volume; a controller configured to; determine a first volume of infusible medical fluid delivered; and based on the first volume of infusible medical fluid delivered, determine a time and volume for delivery of a second volume of infusible fluid. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A controller for a medical infusion device for delivering a medical fluid comprising:
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a volume sensor assembly for determining a first volume of infusible fluid delivered, wherein the volume sensor assembly comprising; an acoustically contiguous region having a volume that varies based upon the quantity of infusible fluid received from the reservoir, and an acoustic energy emitter configured to provide acoustic energy at a plurality of frequencies to excite a gas included within the acoustically contiguous region; a processor for determining the difference between a desired first volume of infusible fluid to be delivered and the actual first volume of infusible fluid delivered; and a processor for determining a schedule and volume for delivering a second volume of infusible fluid based on the difference.
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8. A medical infusion device for delivering an infusible medical fluid comprising:
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a pump having a minimum and maximum pulse volume; a controller configured to; calculate an approximately constant trajectory for delivering infusible fluid, the approximately constant trajectory comprising at least one volume of fluid; and determine a schedule for delivering the at least one volume of fluid according to the approximately constant trajectory, wherein the schedule defines an interval and a volume of infusible fluid for delivery; and a volume sensor assembly, the volume sensor assembly configured to directly measure the at least one volume of fluid delivered, wherein the system recalculates the approximately constant trajectory based on the volume of fluid delivered, wherein the volume sensor assembly comprising; an acoustically contiguous region having a volume that varies based upon the quantity of infusible fluid received from the reservoir; and an acoustic energy emitter configured to provide acoustic energy at a plurality of frequencies to excite a gas included within the acoustically contiguous region. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification