US 12,383,681 B2
Medication delivery device including disposable and reusable portions
Matthew David Backfish, Zionsville, IN (US); and Murat Günay, Carmel, IN (US)
Assigned to ELI LILLY AND COMPANY, Indianapolis, IN (US)
Filed by ELI LILLY AND COMPANY, Indianapolis, IN (US)
Filed on Nov. 17, 2023, as Appl. No. 18/513,080.
Application 18/513,080 is a continuation of application No. 18/246,589, granted, now 11,865,316, previously published as PCT/US2021/056126, filed on Oct. 22, 2021.
Claims priority of provisional application 63/104,544, filed on Oct. 23, 2020.
Prior Publication US 2024/0091456 A1, Mar. 21, 2024
Int. Cl. A61M 5/315 (2006.01); A61M 5/28 (2006.01)
CPC A61M 5/31575 (2013.01) [A61M 5/28 (2013.01); A61M 2005/31518 (2013.01); A61M 2005/3152 (2013.01); A61M 2005/31588 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A disposable portion for a medication delivery device, the medication delivery device comprising a reusable portion configured to detachably carry the disposable portion, the disposable portion comprising:
a housing having a distal end;
a therapeutic agent delivery assembly translatably carried in the housing, the therapeutic agent delivery assembly comprising:
a chamber comprising a passageway configured to carry a therapeutic agent;
a needle in communication with the passageway;
a biasing element carried in the housing, the biasing element comprising a spring, the spring biasing the therapeutic agent delivery assembly toward a stowed configuration, in the stowed configuration the needle being disposed proximally relative to the distal end of the housing; and
a proximal cover carried by the housing, the proximal cover retaining the therapeutic agent delivery assembly in the housing, and the proximal cover comprising a mechanical or magnetic connector configured to detachably secure the disposable portion to the reusable portion, the proximal cover including a main body and an inner passageway sized to inhibit proximal movement of the therapeutic agent delivery assembly through the inner passageway;
the therapeutic agent delivery assembly being translatable by the reusable portion relative to the housing from the stowed configuration to a deployed configuration, in the deployed configuration the needle at least partially extending distally from the distal end of the housing.