US 12,440,618 B2
Wearable drug delivery device
Ursina Streit, Kirchberg (CH); Roland Margot, Worb (CH); Jan Baumert, Grünen (CH); Simon Bosshard, Bern (CH); Michael Hanimann, Bern (CH); and Fabian Steiner, Burgdorf (CH)
Assigned to TecMed AG, Burgdorf (CH)
Filed by TecMed AG, Burgdorf (CH)
Filed on Aug. 10, 2023, as Appl. No. 18/447,903.
Application 18/447,903 is a continuation of application No. 17/352,669, filed on Jun. 21, 2021, granted, now 11,759,564.
Claims priority of application No. 20181604 (EP), filed on Jun. 23, 2020.
Prior Publication US 2023/0381408 A1, Nov. 30, 2023
Int. Cl. A61M 5/142 (2006.01)
CPC A61M 5/14248 (2013.01) [A61M 2005/14252 (2013.01); A61M 2207/00 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A drug delivery device, comprising:
a housing comprising at least two housing components configured to be attached to one another to form a protective shell of the drug delivery device;
a reservoir arranged inside the housing configured to contain a drug, the reservoir defining a fill port sealing cavity;
a fill port assembly configured for filling the reservoir;
a needle assembly comprising an input portion and an output portion; and
an exit port assembly, wherein:
the housing comprises an exit port opening to provide a passage for the output portion of the needle assembly from the inside of the housing to an exterior,
the exit port assembly comprises a first soft structure configured as a soft exit port sealing to provide a fluid-tight closure of the exit port opening of the housing,
the fill port assembly comprises a second soft structure configured as a fill port sealing, the fill port sealing arranged in the fill port sealing cavity to provide a fluid-tight closure of the fill port sealing cavity and is not operatively connected with the soft exit port sealing,
the fill port assembly and the exit port assembly are manufactured using a 2-shot injection molding process and are each configured as a unitary component with one or more of the at least two housing components, and
the housing further comprises a bottom wall defining another passage configured to receive the second soft structure such that the second soft structure is configured to be received by the another passage and fix the housing with respect to the reservoir, and wherein the bottom wall is arranged perpendicular to a wall of the housing comprising the exit port opening.