US2020116748A1PendingUtilityA1

Systems and methods for measurement of fluid delivery

Assignee: MEDTRONIC MINIMED INCPriority: Oct 11, 2018Filed: Oct 11, 2018Published: Apr 16, 2020
Est. expiryOct 11, 2038(~12.2 yrs left)· nominal 20-yr term from priority
G01N 35/1016A61M 2205/502A61M 2205/50A61M 5/31568A61M 5/14244G01F 25/0092G01F 23/242
63
PatentIndex Score
0
Cited by
0
References
0
Claims

Abstract

A method for determining a volume of fluid dispensed into a test housing. The method includes controlling, by a processor, a power source to create a voltage potential across an input electrode arrangement and an output electrode arrangement associated with the input electrode arrangement each coupled to the test housing. The method includes receiving, by the processor, a signal from the output electrode arrangement based on the fluid received into the test housing, and calculating, by the processor, the volume of fluid dispensed into the test housing based on the signal received from the output electrode arrangement. The method includes generating, by the processor, a user interface for display on a display that illustrates the volume of fluid dispensed, and displaying the generated user interface on the display.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A method for determining a volume of fluid dispensed into a test housing, comprising:
 controlling, by a processor, a power source to create a voltage potential across an input electrode arrangement and an output electrode arrangement associated with the input electrode arrangement each coupled to the test housing;   receiving, by the processor, a signal from the output electrode arrangement based on the fluid received into the test housing;   calculating, by the processor, the volume of fluid dispensed into the test housing based on the signal received from the output electrode arrangement;   generating, by the processor, a user interface for display on a display that illustrates the volume of fluid dispensed; and   displaying the generated user interface on the display.   
     
     
         2 . The method of  claim 1 , wherein the input electrode arrangement comprises a plurality of input electrodes and the output electrode arrangement comprises a plurality of output electrodes, each one of the plurality of input electrodes associated with a respective at least one of the plurality of output electrodes, and the method further comprises:
 controlling, by the processor, the power source to supply a voltage to a respective one of the plurality of input electrodes in a pattern; and   receiving, by the processor, the signal from a respective at least one of the plurality of output electrodes based on the fluid dispensed into the test housing, the signal received based on current conducted from the respective one of the plurality of input electrodes to the respective at least one of the plurality of output electrodes through the fluid dispensed into the test housing.   
     
     
         3 . The method of  claim 2 , wherein controlling, by the processor, the power source to supply a voltage to the respective one of the plurality of input electrodes in a pattern further comprises:
 controlling, by the processor, the power source to supply the voltage to the respective one of the plurality of input electrodes in a sequential pattern such that one of the plurality of input electrodes receives the voltage at a time.   
     
     
         4 . The method of  claim 2 , further comprising:
 receiving, by the processor, an input that identifies the test housing;   retrieving, by the processor, test device data associated with the identified test housing, the test device data including at least a dimension associated with an internal channel defined within the test housing and a distance between each one of the plurality of input electrodes; and   calculating, by the processor, the volume of fluid dispensed into the test housing based on the signal received from the respective at least one of the plurality of output electrodes, the dimension associated with the internal channel and the distance between each one of the plurality of input electrodes.   
     
     
         5 . The method of  claim 2 , wherein each of the plurality of input electrodes and each of the plurality of output electrodes is in communication with an internal channel defined in the test housing, and the method further comprises:
 determining, by the processor, whether an end of the internal channel has been reached based on the signal received from the respective one of the plurality of output electrodes based on the fluid dispensed into the test housing; and   controlling, by the processor, the power source to cease the output of the voltage based on the determining.   
     
     
         6 . The method of  claim 2 , wherein the volume of fluid is dispensed by a fluid infusion device into the test housing. 
     
     
         7 . The method of  claim 6 , further comprising:
 receiving, by the processor, input that provides an expected volume of fluid to be dispensed by the fluid infusion device;   calculating, by the processor, an error associated with the volume of fluid dispensed by the fluid infusion device based on the expected volume of fluid;   generating, by the processor, an error user interface for display on the display that illustrates the error associated with the volume of fluid dispensed by the fluid infusion device; and   displaying the generated error user interface on the display.   
     
     
         8 . The method of  claim 7 , wherein the expected volume of fluid to be dispensed by the fluid infusion device is an expected rate of fluid, and the generating, by the processor, the error user interface further comprises:
 generating, by the processor, a basal error user interface for display on the display that illustrates the error associated with the volume of fluid dispensed by the fluid infusion device over a period of time; and   displaying the generated basal error user interface on the display.   
     
     
         9 . The method of  claim 6 , wherein the volume of fluid to be dispensed by the fluid infusion device is a plurality of discrete boluses of fluid, and the method further comprises:
 calculating, by the processor, the discrete boluses of fluid dispensed into the test housing based on the signal received from the respective one of the plurality of output electrodes;   generating, by the processor, a bolus user interface for display on the display that illustrates the discrete boluses of fluid dispensed; and   displaying the generated bolus user interface on the display.   
     
     
         10 . The method of  claim 6 , wherein the volume of fluid to be dispensed by the fluid infusion device is a basal rate of fluid, and the method further comprises:
 calculating, by the processor, the basal rate of fluid dispensed into the test housing based on the signal received from the respective one of the plurality of output electrodes;   generating, by the processor, a basal rate user interface for display on the display that illustrates the basal rate of fluid dispensed; and   displaying the generated basal rate user interface on the display.   
     
     
         11 . The method of  claim 1 , further comprising:
 receiving, by the processor, an input to calibrate the test housing;   receiving, by the processor, an input that provides a pre-defined volume of fluid to be dispensed into the test housing;   controlling, by the processor, the power source to supply the voltage to the input electrode arrangement coupled to the test housing;   receiving, by the processor, the signal from the output electrode arrangement based on the pre-defined volume of fluid dispensed into the test housing; and   determining, by the processor, calibration data associated with the test housing based on the signal received from the output electrode arrangement and the pre-defined volume of fluid.   
     
     
         12 . A test control system for determining a volume of dispensed fluid, comprising:
 a test housing that includes an inlet and an internal channel, the inlet to receive the volume of fluid, and the internal channel in fluid communication with the inlet;   an input electrode arrangement coupled to the test housing;   an output electrode arrangement associated with the input electrode arrangement and coupled to the test housing so as to be spaced apart from the input electrode arrangement; and   a controller, having a processor, that is configured to:
 control a power source to supply a voltage to the input electrode arrangement; 
 receive a signal from the output electrode arrangement based on the fluid received into the test housing; 
 calculate the volume of fluid dispensed into the test housing based on the signal received from the output electrode arrangement; 
 generate a user interface for display on a display that illustrates the volume of fluid dispensed; and 
 display the generated user interface on the display. 
   
     
     
         13 . The test control system of  claim 12 , wherein the input electrode arrangement comprises a plurality of input electrodes and the output electrode arrangement comprises a plurality of output electrodes, each one of the plurality of input electrodes associated with a respective at least one of the plurality of output electrodes, and the processor is configured to:
 control the power source to supply the voltage to a respective one of the plurality of input electrodes in a pattern; and   receive the signal from a respective at least one of the plurality of output electrodes based on the fluid dispensed into the test housing.   
     
     
         14 . The test control system of  claim 13 , wherein the processor is further configured to:
 receive an input that identifies the test housing;   retrieve test device data associated with the identified test housing, the test device data including at least a dimension associated with the internal channel and a distance between each one of the plurality of input electrodes; and   calculate the volume of fluid dispensed into the test housing based on the signal received from the respective one of the plurality of output electrodes, the dimension associated with the internal channel and the distance between each one of the plurality of input electrodes.   
     
     
         15 . The test control system of  claim 13 , further comprising a fluid infusion device, wherein the volume of fluid is dispensed by the fluid infusion device into the test housing. 
     
     
         16 . The test control system of  claim 15 , wherein the processor is configured to:
 receive an input that provides an expected volume of fluid to be dispensed by the fluid infusion device;   calculate an error associated with the volume of fluid dispensed by the fluid infusion device based on the expected volume of fluid;   generate an error user interface for display on the display that illustrates the error associated with the volume of fluid dispensed by the fluid infusion device; and   display the generated error user interface on the display.   
     
     
         17 . The test control system of  claim 16 , wherein the expected volume of fluid dispensed by the fluid infusion device is an expected rate of fluid, and the processor is configured to generate a basal error user interface for display on the display that illustrates the error associated with the volume of fluid dispensed by the fluid infusion device over a period of time, and to display the generated basal error user interface on the display. 
     
     
         18 . The test control system of  claim 15 , wherein the volume of fluid dispensed by the fluid infusion device is a plurality of discrete boluses of fluid, and the processor is configured to:
 calculate the discrete boluses of fluid dispensed into the test housing based on the signal received from the respective one of the plurality of output electrodes;   generate a bolus user interface for display on the display that illustrates the discrete boluses of fluid dispensed; and   display the generated bolus user interface on the display.   
     
     
         19 . The test control system of  claim 15 , wherein the volume of fluid dispensed by the fluid infusion device is a basal rate of fluid, and the processor is configured to:
 calculate the basal rate of fluid dispensed into the test housing based on the signal received from the respective one of the plurality of output electrodes;   generate a basal rate user interface for display on the display that illustrates the basal rate of fluid dispensed; and   display the generated basal rate user interface on the display.   
     
     
         20 . The test control system of  claim 12 , wherein the processor is configured to:
 receive an input to calibrate the test housing;   receive an input that provides a pre-defined volume of fluid to be dispensed into the test housing;   control the power source to supply the voltage to the input electrode arrangement coupled to the test housing;   receive the signal from the output electrode arrangement based on the pre-defined volume of fluid dispensed into the test housing; and   determine calibration data associated with the test housing based on the signal received from the output electrode arrangement and the pre-defined volume of fluid.

Join the waitlist — get patent alerts

Track US2020116748A1 — get alerts on status changes and closely related new filings.

We store only your email — no account needed. See our privacy policy.