PUMP DELIVERY CALCULATION SYSTEMS AND METHODS

• US 20160287784A1
• Filed: 11/03/2014
• Published: 10/06/2016
• Est. Priority Date: 11/12/2013
• Status: Abandoned Application

• Current Assignee: Smiths Medical ASD, Inc. (Smiths Group International Holdings Ltd.)
• Original Assignee: Smiths Medical ASD, Inc. (Smiths Group International Holdings Ltd.)
• Inventors: Straw, Scott, Van Dyke, William
• Application Number:
  US15/035,877
• Publication Number:
  US 20160287784A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: A61M 2005/14208 with a programmable infusion control system, characterised by the infusion program
• CPC Class Codes: A61M 2205/52 with memories providing a history of measured variating parameters of apparatus or patient
• CPC Class Codes: A61M 2205/70 with testing or calibration facilities
• CPC Class Codes: A61M 2205/8206 battery-operated
• CPC Class Codes: A61M 5/142 Pressure infusion, e.g. using pumps
• CPC Class Codes: A61M 5/14228 with linear peristaltic action, i.e. comprising at least three pressurising members or a helical member
• CPC Class Codes: A61M 5/14236 Screw, impeller or centrifugal type pumps
• CPC Class Codes: A61M 5/16827 controlling delivery of multiple fluids, e.g. sequencing, mixing or via separate flow-paths infusion of multiple fluids without using a controller A61M5/1407
• CPC Class Codes: A61M 5/1684 by detecting the amount of infusate remaining, e.g. signalling end of infusion
• CPC Class Codes: A61M 5/172 electrical or electronic A61M5/16804, A61M5/16831 take precedence
• CPC Class Codes: G16H 20/17 delivered via infusion or injection
• CPC Class Codes: G16H 40/63 for local operation
• CPC Class Codes: G16Z 99/00 Subject matter not provided for in other main groups of this subclass

Abstract

An infusion pump system includes at least one reservoir having a reservoir volume, and an infusion pump including a pumping mechanism operably coupled to the at least one reservoir, a processor including a memory and configured to control operation of the pumping mechanism, and a calculation module configured to determine at least one characteristic about the at least one reservoir.

Claims

1. A method of determining a delivery metric for an infusion pump, the method comprising:

determining at least a plurality of delivery phases of the infusion pump;

ordering the determined delivery phases;

traversing the ordered delivery phases by evaluating a phase characteristic for each delivery phase against a pump characteristic; and

determining the delivery metric based on the traversal of the ordered delivery phases.

2. The method of determining a delivery metric for an infusion pump of claim 1, wherein the phase characteristic for the delivery phase is a volume to be infused during the delivery phase, and the pump characteristic is a reservoir volume remaining, wherein evaluating a phase characteristic for each current and future infusion phase against a pump characteristic comprises:

subtracting the volume to be infused during the delivery phase from the reservoir volume remaining; and

adding the time to perform the delivery phase to a time accumulator.

3. The method of determining a delivery metric for an infusion pump of claim 2, wherein evaluating a phase characteristic for each delivery phase against a pump characteristic further comprises:

evaluating whether the reservoir volume remaining equals zero,

wherein when the reservoir volume remaining equals zero, presenting the time accumulator as the delivery metric.

4. The method of determining a delivery metric for an infusion pump of claim 2, wherein the delivery metric is at least one of reservoir volume time remaining, infusion time remaining, or number of reservoirs remaining.

5. The method of determining a delivery metric for an infusion pump of claim 1, wherein determining a plurality of delivery phases of the infusion pump comprises evaluating a programming parameter for the plurality of delivery phases.

6. An infusion pump system comprising:

at least one reservoir having a reservoir volume; and

an infusion pump including;

a pumping mechanism operably coupled to the at least one reservoir;

a processor including a memory and configured to control operation of the pumping mechanism; and

a calculation module configured to determine at least one characteristic about the at least one reservoir.

7. The infusion pump system of claim 6, wherein the calculation module is configured to determine at least one characteristic about the at least one reservoir by:

determining a plurality of current and future delivery phases of the infusion pump;

ordering the determined plurality of delivery phases;

traversing each of the ordered delivery phases by subtracting a volume to be infused during the delivery phase from a reservoir volume remaining, and adding the time to perform the delivery phase to a time accumulator,

wherein when the reservoir volume remaining equals zero, presenting the time accumulator as the at least one characteristic.

8. The infusion pump system of claim 6, wherein the infusion pump further includes a communication port, the system further comprising a network operably coupled to the communication port, wherein data about the pump can be transmitted to and from the network.

9. The infusion pump system of claim 6, wherein the ordered delivery phases are stored in memory in a table data structure.

10. An infusion pump comprising:

a pumping mechanism operably coupled to at least one reservoir;

a pump control subsystem including a processor and a memory and configured to control operation of the pumping mechanism, the operation including a plurality of delivery phases; and

a calculation module configured to;

determine the plurality of delivery phases,

order the determined delivery phases, and

traverse the ordered delivery phases by evaluating a phase characteristic for each delivery phase against a pump characteristic and determining a delivery metric based on the traversal of the ordered delivery phases.

11. The infusion pump of claim 10, wherein the phase characteristic for the delivery phase is a volume to be infused during the delivery phase, and the pump characteristic is a reservoir volume remaining, wherein evaluating a phase characteristic for each current and future infusion phase against a pump characteristic comprises:

subtracting the volume to be infused during the delivery phase from the reservoir volume remaining; and

adding the time to perform the delivery phase to a time accumulator.

12. The infusion pump of claim 11, wherein evaluating a phase characteristic for each delivery phase against a pump characteristic further comprises:

evaluating whether the reservoir volume remaining equals zero,

wherein when the reservoir volume remaining equals zero, presenting, on the infusion pump, the time accumulator as the delivery metric.