Urinary event detection, tracking, and analysis
The present disclosure generally relates to methods and systems for generating a void profile for user void events. The method includes receiving by a processing element a plurality of outputs from a fluid level sensor corresponding to a plurality of levels of fluid flowing through a voiding device during a flow event; determining by the processing element a beginning and an end time of the fluid flow into the voiding device during the flow event; analyzing the plurality of outputs of the fluid level sensor over a time interval defined by the beginning and end time of the fluid flow to determine at least one of a fluid flow rate data and an accumulated volume data for the fluid flowing through the voiding device; and storing the fluid flow rate data and the accumulated flow volume data in a memory.
1. A method for generating a urine flow void profile for a user flow event, comprising:
receiving by a processing element a plurality of outputs from a fluid level sensor adjacent a magnet and configured to detect a movement of a position of the magnet, the plurality of outputs corresponding to a plurality of levels of fluid flowing through a handheld voiding device held by a user during a flow event, wherein:
the magnet is rotationally coupled with a float via an arm;
the float is positionable according to the plurality of levels of fluid;
the float and the arm rotate around a pivot axis in response to the plurality of levels of fluid;
the magnet connected to the arm rotates around the pivot axis;
determining by the processing element a beginning and an end time of the fluid flow into the handheld voiding device during the flow event;
analyzing the plurality of outputs of the fluid level sensor over a time interval defined by the beginning and end time of the fluid flow to determine at least one of a fluid flow rate data and an accumulated volume data for the fluid flowing through the handheld voiding device; and
storing the fluid flow rate data and the accumulated flow volume data in a memory.
2. The method of claim 1 , wherein the plurality of outputs of the fluid level sensor correspond to two or more positions of the fluid level sensor during the time interval.
3. The method of claim 2 , wherein the fluid level sensor comprises:
the float;
the magnet; and
a displacement sensor in communication with the magnet to detect variations in position of the magnet.
4. The method of claim 3 , wherein the displacement sensor is a Hall effect sensor.
5. The method of claim 1 , further comprising:
analyzing by the processing element one or more validation characteristics detected by the handheld voiding device during the flow event to validate the flow event as a void event.
6. The method of claim 5 , wherein the one or more validation characteristics comprise one or more:
acceleration of the handheld voiding device during the flow event;
orientation of the handheld voiding device during the flow event;
presence of a user hand on the handheld voiding device during the flow event;
temperature of the fluid flowing through the handheld voiding device during the flow event; or
total volume of the fluid flowing through the handheld voiding device during the flow event.
7. The method of claim 1 , wherein the accumulated flow volume data are determined by numerical integration of the fluid flow rate data and wherein the fluid flow rate data are determined based on a predetermined characteristic of the handheld voiding device represented by a lookup table.
8. The method of claim 1 , wherein the determining of the fluid flow rate further comprises:
receiving from an validation sensor a plurality of orientation values for the handheld voiding device over the time interval, the orientation values including a pitch value;
translating the orientation values and the plurality of outputs of the fluid level sensor during the time interval to a fluid flow rate based on a predetermined characteristic of the handheld voiding device.
9. The method of claim 8 , wherein the predetermined characteristic of the handheld voiding device is represented by a lookup table.
10. The method of claim 9 , wherein the determining of the fluid flow rate further comprises:
receiving from the validation sensor a plurality of orientation values for the handheld voiding device over the time interval, the orientation values including a roll value;
determining the fluid flow rate by comparing two or more of the plurality of pitch values, plurality of the roll values, or plurality of outputs of the fluid level sensor, to a lookup table.
11. The method of claim 1 , further comprising:
receiving by the processing element an initial position of the fluid level sensor; and
receiving by the processing element a time stamp.
12. The method of claim 1 , further comprising:
receiving by the processing element an initial orientation of the handheld voiding device in space; and
receiving by the processing element a time stamp.
13. The method of claim 1 , wherein the handheld voiding device further comprises a handle detachably coupled to the voiding device and configured to selectively position the voiding device relative to the user to receive the flow of urine during the user flow event.