US 11,872,108 B2
Medical appliance with electrode multiplexing and related methods
Jais Ask Hansen, Jaegerspris (DK); Lars Erup Larsen, Maaloev (DK); Niels Hvid, Vedbaek (DK); Finn Speiermann, Virum (DK); and Klaus Thoegersen, Charlottenlund (DK)
Assigned to Coloplast A/S, Humlebaek (DK)
Appl. No. 16/955,790
Filed by Coloplast A/S, Humlebaek (DK)
PCT Filed Dec. 20, 2018, PCT No. PCT/DK2018/050384
§ 371(c)(1), (2) Date Jun. 19, 2020,
PCT Pub. No. WO2019/120428, PCT Pub. Date Jun. 27, 2019.
Claims priority of application No. PA 2017 70983 (DK), filed on Dec. 22, 2017.
Prior Publication US 2020/0337881 A1, Oct. 29, 2020
Int. Cl. A61F 5/44 (2006.01); A61F 5/443 (2006.01); H04M 3/24 (2006.01); H04Q 11/00 (2006.01)
CPC A61F 5/4404 (2013.01) [A61F 5/443 (2013.01); H04M 3/244 (2013.01); H04Q 11/00 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A base plate for a medical appliance, the base plate comprising:
a first adhesive layer with a proximal side configured for attachment of the base plate to the skin surface of a user;
a plurality of electrodes including a first electrode and a second electrode, the first electrode comprising a first connection part and the second electrode comprising a second connection part;
a monitor interface for forming mechanical and electrical connection with a monitor device, the monitor interface comprising a coupling part and a plurality of terminals including a first terminal and a second terminal; and
a multiplexer with a number of N input pins and a number of M output pins; wherein the N input pins includes a first input pin and a second input pin, and the M output pins include a first output pin and a second output pin,
wherein the first input pin is connected to the first connection part and the second input pin is connected to the second connection part, and the first output pin is connected to the first terminal of the monitor interface and the second output pin is connected to the second terminal of the monitor interface, and
wherein the multiplexer is configured to connect the first input pin to the first output pin in a first multiplexer configuration and to connect the second input pin to the first output pin in a second multiplexer configuration.