US 11,832,929 B2
Apparatus and methods for determining damaged tissue using sub-epidermal moisture measurements
Ya-Chen Tonar, San Pedro, CA (US); Shannon Rhodes, Venice, CA (US); Marta Clendenin, San Diego, CA (US); Martin F. Burns, Los Angeles, CA (US); and Kindah Jaradeh, Sun Valley, CA (US)
Assigned to Bruin Biometrics, LLC, Los Angeles, CA (US)
Filed by Bruin Biometrics, LLC, Los Angeles, CA (US)
Filed on Jun. 30, 2023, as Appl. No. 18/346,114.
Application 18/346,114 is a continuation of application No. 17/700,888, filed on Mar. 22, 2022.
Application 17/700,888 is a continuation of application No. 16/440,743, filed on Jun. 13, 2019, granted, now 11,284,810, issued on Mar. 29, 2022.
Application 16/440,743 is a continuation of application No. 15/280,528, filed on Sep. 29, 2016, granted, now 9,763,596, issued on Sep. 19, 2017.
Application 15/280,528 is a continuation of application No. 15/280,487, filed on Sep. 29, 2016, granted, now 10,485,447, issued on Nov. 26, 2019.
Application 15/280,528 is a continuation of application No. 15/273,202, filed on Sep. 22, 2016, granted, now 10,178,961, issued on Jan. 15, 2019.
Application 15/280,487 is a continuation of application No. 15/273,202, filed on Sep. 22, 2016, granted, now 10,178,961, issued on Jan. 15, 2019.
Application 15/273,202 is a continuation of application No. 15/134,110, filed on Apr. 20, 2016, granted, now 10,182,740, issued on Jan. 22, 2019.
Claims priority of provisional application 62/152,549, filed on Apr. 24, 2015.
Prior Publication US 2023/0346240 A1, Nov. 2, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A61B 5/0537 (2021.01); A61B 5/00 (2006.01); A61B 5/0531 (2021.01)
CPC A61B 5/0537 (2013.01) [A61B 5/0531 (2013.01); A61B 5/445 (2013.01); A61B 5/447 (2013.01); A61B 5/4875 (2013.01); A61B 5/6801 (2013.01); A61B 5/7278 (2013.01); A61B 5/742 (2013.01); A61B 5/746 (2013.01); A61B 5/6843 (2013.01); A61B 2560/0468 (2013.01); A61B 2562/046 (2013.01)] 30 Claims
OG exemplary drawing
 
1. An apparatus for identifying sub-epidermal moisture (SEM), said apparatus comprising:
a) one or more sensors configured for emitting and receiving (i) a target signal into tissue at a target location of a subject and (ii) a plurality of non-target signals into non-target tissue locations adjacent to said target location of said subject, b) a circuit electronically coupled to said one or more sensors and configured to convert said target signal into a target SEM value and said plurality of non-target signals into a plurality of non-target SEM values;
c) a processor electronically coupled to said circuit and configured to receive said target SEM value and said plurality of non-target SEM values; and
d) a non-transitory computer readable medium electronically coupled to said processor and comprising instructions stored thereon that when executed on said processor, perform:
i) receiving from said processor said target SEM value, said plurality of non-target SEM values, said target location, and said non-target tissue locations;
ii) determining a) a maximum SEM value and a minimum SEM value from said plurality of non-target SEM values and said target SEM value or b) an average SEM value from said plurality of non-target SEM values and said target SEM value;
iii) determining a difference between a) said maximum SEM value and said minimum SEM value or b) said average SEM value and at least one of said plurality of non-target SEM values or said target SEM value; and
iv) identifying said target location or said non-target locations as having a SEM indicative of tissue damage if said difference is greater than a predetermined threshold.