US 11,806,516 B2
Drug delivery device and charging device
Atul Nayak, Bridgewater, NJ (US)
Assigned to Sanofi, Paris (FR)
Appl. No. 16/772,441
Filed by SANOFI, Paris (FR)
PCT Filed Dec. 17, 2018, PCT No. PCT/EP2018/085115
§ 371(c)(1), (2) Date Jun. 12, 2020,
PCT Pub. No. WO2019/121451, PCT Pub. Date Jun. 27, 2019.
Claims priority of application No. 17306809 (EP), filed on Dec. 18, 2017.
Prior Publication US 2021/0077748 A1, Mar. 18, 2021
Int. Cl. A61M 5/44 (2006.01)
CPC A61M 5/445 (2013.01) [A61M 2205/3368 (2013.01); A61M 2205/3553 (2013.01); A61M 2205/368 (2013.01); A61M 2205/581 (2013.01); A61M 2205/582 (2013.01); A61M 2205/583 (2013.01); A61M 2205/8243 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A drug delivery device for delivering a medicament, the drug delivery device comprising:
a housing arranged to contain a container;
a drive component arranged within the housing of the drug delivery device and configured to move a piston of the container to dispense medicament from the container during a medicament delivery process;
a receiver coil; and
an energy storage unit,
wherein the receiver coil is arranged to receive energy by electromagnetic induction from a transmitter coil of a charging device when the charging device is brought into proximity with the drug delivery device during a charging process,
wherein the drug delivery device is configured to perform the medicament delivery process while the charging device is separated from the drug delivery device,
wherein the energy storage unit is arranged to be charged by at least a portion of the energy received by the receiver coil,
wherein at least a portion of the energy received by the receiver coil is converted by the receiver coil itself to heat energy at the receiver coil, and
wherein the receiver coil is arranged in the drug delivery device to transfer the heat energy to the container to heat medicament contained in the container.