US 11,779,704 B2
Status indicator for drug delivery systems
Michael Gentz, Burgdorf (CH); and Thomas Rufer, Ostermundigen (CH)
Assigned to Ypsomed AG, Burgdorf (CH)
Filed by Ypsomed AG, Burgdorf (CH)
Filed on Sep. 28, 2020, as Appl. No. 17/35,011.
Application 17/035,011 is a continuation of application No. PCT/IB2019/052427, filed on Mar. 26, 2019.
Claims priority of application No. 18164906 (EP), filed on Mar. 29, 2018.
Prior Publication US 2021/0023299 A1, Jan. 28, 2021
Int. Cl. A61M 5/172 (2006.01); G05B 11/01 (2006.01); G08B 5/38 (2006.01); G08C 19/16 (2006.01); A61M 5/142 (2006.01)
CPC A61M 5/172 (2013.01) [G05B 11/01 (2013.01); G08B 5/38 (2013.01); G08C 19/16 (2013.01); A61M 2005/14208 (2013.01); A61M 2205/273 (2013.01); A61M 2205/583 (2013.01); A61M 2205/587 (2013.01); A61M 2205/8206 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An electronic module for removable attachment to a device housing of a disposable delivery device holding a container with a liquid drug, the electronic module comprising:
a delivery status sensor configured to monitor a delivery status;
a status indicator for indicating a status; and
a status indicator controller, wherein an indicator control signal of the status indicator controller varies monotonically between a minimum value and a maximum value in a first interval and between the maximum value and the minimum value in a second interval, and
wherein in the first interval or in the second interval, a mean value of the indicator control signal is below an average of the maximum value and the minimum value of the indicator control signal.