US 11,890,219 B2
Thermoresponsive skin barrier appliances
Jeffrey Norman Schoess, Howard Lake, MN (US); and Kannan Sivaprakasam, St. Cloud, MN (US)
Assigned to Coloplast A/S, Humlebaek (DK)
Filed by Coloplast A/S, Humlebaek (DK)
Filed on Nov. 18, 2019, as Appl. No. 16/686,233.
Application 16/686,233 is a continuation of application No. 14/690,324, filed on Apr. 17, 2015, granted, now 10,531,977.
Claims priority of provisional application 61/981,020, filed on Apr. 17, 2014.
Prior Publication US 2020/0100931 A1, Apr. 2, 2020
Int. Cl. A61F 5/443 (2006.01); A61F 5/44 (2006.01); A61F 5/445 (2006.01); A61F 13/42 (2006.01)
CPC A61F 5/443 (2013.01) [A61F 5/4404 (2013.01); A61F 5/445 (2013.01); A61F 13/42 (2013.01)] 17 Claims
OG exemplary drawing
 
1. An ostomy apparatus, comprising:
a substrate configured to adhere to a user's skin;
an electrode array including a first electrode pair and a second electrode pair arranged on the substrate; and
a control module coupled to the electrode array, the control module configured to determine:
a first change in impedance of the first electrode pair to determine a first propagation direction of moisture absorbed by the substrate; and
a second change in impedance of the second electrode pair to determine a second propagation direction of moisture absorbed by the substrate.