US 12,437,867 B2
Systems and methods for managing a person's position based on a personal health factor
David Perlman, Ann Arbor, MI (US); and Joseph Himle, Ann Arbor, MI (US)
Assigned to LEAF HEALTHCARE, INC., Pleasanton, CA (US)
Filed by Leaf Healthcare, Inc., Pleasanton, CA (US)
Filed on Sep. 6, 2022, as Appl. No. 17/903,399.
Application 17/903,399 is a continuation of application No. 16/548,326, filed on Aug. 22, 2019, granted, now 11,456,074.
Application 16/548,326 is a continuation of application No. 15/718,549, filed on Sep. 28, 2017, granted, now 10,535,432.
Application 15/718,549 is a continuation of application No. 12/730,663, filed on Mar. 24, 2010, granted, now 10,020,075.
Claims priority of provisional application 61/162,993, filed on Mar. 24, 2009.
Claims priority of provisional application 61/162,992, filed on Mar. 24, 2009.
Prior Publication US 2023/0005611 A1, Jan. 5, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A61B 5/00 (2006.01); A61B 5/11 (2006.01); G16H 40/63 (2018.01); G16Z 99/00 (2019.01)
CPC G16H 40/63 (2018.01) [A61B 5/1116 (2013.01); A61B 5/447 (2013.01); A61B 5/6801 (2013.01); A61B 5/7275 (2013.01); A61B 5/742 (2013.01); A61B 5/746 (2013.01); G16Z 99/00 (2019.02); A61B 2562/0219 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A system for monitoring an orientation of a person on a support surface, the system comprising:
a wearable sensor device including at least one sensor to generate sensor data associated with the person during a series of movements between multiple orientations including a first orientation in which a first region of the person's body is pressurized by the support surface and a second orientation in which a second region of the person's body is pressurized by the support surface; and
a processor coupled to the at least one sensor and configured to:
monitor an orientation of the person on the support surface over time based on the sensor data generated by the at least one sensor, including determining when the person is in the first orientation or the second orientation;
based on the monitored orientation of the person on the support surface, manage both (a) a first pressurization timer for the first orientation and (b) a second pressurization timer for the second orientation;
wherein managing the first pressurization timer for the first orientation comprises:
increasing a first time-on value for a duration spent in the first orientation;
comparing the first time-on value to a first time-on threshold; and
generating a first notification indicating a needed turn of the person relative to the support surface if the first time-on value exceeds the first time-on threshold; and
wherein managing the second pressurization timer for the second orientation comprises, after a turn of the person from the first orientation to the second orientation:
increasing a second time-on value for a duration spent in the second orientation;
comparing the second time-on value to a second time-on threshold, wherein the second time-on threshold is variable as a proportional function of the duration spent in the first orientation; and
generating a second notification indicating a needed turn of the person relative to the support surface if the second time-on value exceeds the second time-on threshold.