	US 12,364,810 B2
	Drug delivery device with needle actuation mechanism
Oliver Wieser, Zürich (CH); and Maximilian Marhöfer, Basel (CH)
Assigned to SENSILE MEDICAL AG, Olten (CH)
Filed by SENSILE MEDICAL AG, Olten (CH)
Filed on Aug. 29, 2023, as Appl. No. 18/457,394.
Application 18/457,394 is a continuation of application No. 17/057,728, granted, now 11,744,940, previously published as PCT/EP2019/063269, filed on May 22, 2019.
Claims priority of application No. 18174647 (EP), filed on May 28, 2018.
Prior Publication US 2023/0398289 A1, Dec. 14, 2023
This patent is subject to a terminal disclaimer.
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)]

20 Claims

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, wherein 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, and the delivery unit comprising a mounting surface with an adhesive layer on an underside of the base wall from mounting against a patient's skin.