US 11,770,016 B2
Medical device temperature estimation
Kunal Paralikar, Roseville, MN (US); Elizabeth A. Fehrmann, Falcon Heights, MN (US); Venkat R. Gaddam, Plymouth, MN (US); Boysie R. Morgan, Minneapolis, MN (US); David P. Olson, Minnetrista, MN (US); and Jadin C. Jackson, Roseville, MN (US)
Assigned to Medtronic, Inc., Minneapolis, MN (US)
Filed by Medtronic, Inc., Minneapolis, MN (US)
Filed on Apr. 2, 2021, as Appl. No. 17/221,465.
Application 17/221,465 is a continuation of application No. 16/723,372, filed on Dec. 20, 2019, granted, now 10,971,943.
Application 16/723,372 is a continuation of application No. 15/843,854, filed on Dec. 15, 2017, granted, now 10,554,069, issued on Feb. 4, 2020.
Prior Publication US 2021/0226471 A1, Jul. 22, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. H02J 7/00 (2006.01); H02J 50/10 (2016.01); A61B 5/00 (2006.01); A61M 25/00 (2006.01); A61N 1/378 (2006.01); G01K 7/00 (2006.01); G01K 13/00 (2021.01); A61N 1/36 (2006.01); A61N 1/372 (2006.01)
CPC H02J 7/007192 (2020.01) [A61B 5/686 (2013.01); A61M 25/00 (2013.01); A61N 1/3787 (2013.01); G01K 7/00 (2013.01); G01K 13/00 (2013.01); H02J 7/007188 (2020.01); H02J 50/10 (2016.02); A61B 2560/0219 (2013.01); A61M 2205/3368 (2013.01); A61M 2205/3538 (2013.01); A61M 2205/8243 (2013.01); A61N 1/36007 (2013.01); A61N 1/36062 (2017.08); A61N 1/36071 (2013.01); A61N 1/37223 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
sensing, by a temperature sensor, a temperature of a hybrid circuit board of a device during a charging process of a rechargeable power source of the device;
determining, by processing circuitry and based on the temperature of the hybrid circuit board of the device and an algorithm, a temperature of a housing of the device,
wherein the algorithm is representative of an estimated temperature differential between the hybrid circuit board and the housing, the estimated temperature differential determined based on a transfer function, and wherein the transfer function is based on a value from one of an electrical component or thermal characteristic associated with the charging process, and
controlling, by the processing circuitry, the charging process of the rechargeable power source of the device based on the determined temperature of the housing of the device.