US 11,744,940 B2
Drug delivery device with needle actuation mechanism
Oliver Wieser, Zürich (CH); and Maximilian Marhöfer, Basel (CH)
Assigned to SENSILE MEDICAL AG, Olten (CH)
Appl. No. 17/57,728
Filed by SENSILE MEDICAL AG, Olten (CH)
PCT Filed May 22, 2019, PCT No. PCT/EP2019/063269
§ 371(c)(1), (2) Date Nov. 23, 2020,
PCT Pub. No. WO2019/228895, PCT Pub. Date Dec. 5, 2019.
Claims priority of application No. 18174647 (EP), filed on May 28, 2018.
Prior Publication US 2021/0369957 A1, Dec. 2, 2021
Int. Cl. A61M 5/158 (2006.01); A61M 5/142 (2006.01); A61M 5/32 (2006.01)
CPC A61M 5/158 (2013.01) [A61M 5/14212 (2013.01); A61M 5/3221 (2013.01); A61M 2005/1585 (2013.01); A61M 2005/3224 (2013.01)] 28 Claims
OG exemplary drawing
 
1. A drug delivery device comprising a delivery unit receiving a drug cartridge containing a drug to be administered to a patient in need thereof, the delivery unit comprising a subcutaneous delivery mechanism including a needle, a needle support to which the needle is mounted, and a needle actuation mechanism configured to move the needle from a retracted position within a housing of the delivery unit, to an extended delivery position where the needle projects through a base wall of the housing, the needle actuation mechanism comprising a rotary actuator configured to engage an engagement lever coupled to the needle support for translating the needle support between the retracted position and the extended delivery position, characterized in that the needle support comprises a translation guide member slidably mounted with respect to the housing, and a rotation guide member rotatably mounted to the translation guide member, the needle being fixed to the rotation guide member configured to tilt the needle in a fully retracted park position after full retraction of the needle.