US 11,857,757 B2
Systems and methods for delivering microdoses of medication
Pierre Fridez, Froideville (CH); Benjamin Pruijs, Bienne (CH); Nathanael Sigg, Oules-sous-Echallens (CH); Antoine Barraud, Lonay (CH); Christophe Satorre, Lausanne (CH); Fabien Berrettoni, St-Sulpice (CH); and Alain Woodtli, Vaumarcus (CH)
Assigned to Tandem Diabetes Care Switzerland Sàrl, St-Sulpice (CH)
Filed by Tandem Diabetes Care Switzerland Sàrl, St-Sulpice (CH)
Filed on Nov. 22, 2022, as Appl. No. 18/058,003.
Application 18/058,003 is a continuation of application No. 17/652,456, filed on Feb. 24, 2022, granted, now 11,529,464.
Claims priority of provisional application 63/195,564, filed on Jun. 1, 2021.
Prior Publication US 2023/0105558 A1, Apr. 6, 2023
Int. Cl. A61M 5/168 (2006.01); A61M 5/142 (2006.01); A61M 5/172 (2006.01); A61M 5/50 (2006.01); A61M 5/158 (2006.01); A61B 5/1486 (2006.01); A61M 5/14 (2006.01); A61M 5/145 (2006.01)
CPC A61M 5/14248 (2013.01) [A61B 5/14865 (2013.01); A61M 5/1413 (2013.01); A61M 5/158 (2013.01); A61M 5/168 (2013.01); A61M 5/1684 (2013.01); A61M 5/16827 (2013.01); A61M 5/172 (2013.01); A61M 5/1723 (2013.01); A61M 5/5086 (2013.01); A61M 2005/14252 (2013.01); A61M 2005/14256 (2013.01); A61M 2005/14533 (2013.01); A61M 2005/1586 (2013.01); A61M 2205/18 (2013.01); A61M 2205/3317 (2013.01); A61M 2205/3331 (2013.01); A61M 2205/582 (2013.01); A61M 2207/00 (2013.01)] 30 Claims
OG exemplary drawing
 
1. A medication infusion device comprising:
a patch pump configured to be removably adhered to a wearer's skin for delivering doses of medication from a cartridge through a transcutaneous portion, the patch pump comprising a pump housing and a cap housing configured to be locked together to hold the cartridge;
a rechargeable battery disposed within the pump housing; and
a controller configured to monitor battery life of the rechargeable battery, the controller configured to unlock the pump housing from the cap housing based on determining that the battery life has been charged to a predetermined state.