US 12,290,672 B2
Applicator for applying a microneedle device to skin
Scott A. Burton, Woodbury, MN (US); Craig S. Moeckly, White Bear Lake, MN (US); and Ryan P. Simmers, Fargo, ND (US)
Assigned to Kindeva Drug Deliver L.P., Woodbury, MN (US)
Filed by KINDEVA DRUG DELIVERY L.P., St. Paul, MN (US)
Filed on Oct. 9, 2020, as Appl. No. 17/066,867.
Application 17/066,867 is a division of application No. 14/759,757, abandoned, previously published as PCT/US2014/010447, filed on Jan. 7, 2014.
Claims priority of provisional application 61/750,128, filed on Jan. 8, 2013.
Prior Publication US 2021/0030975 A1, Feb. 4, 2021
Int. Cl. A61M 5/50 (2006.01); A61M 37/00 (2006.01)
CPC A61M 5/5086 (2013.01) [A61M 37/0015 (2013.01); A61M 2037/0023 (2013.01); A61M 2037/0046 (2013.01); A61M 2205/106 (2013.01)] 21 Claims
OG exemplary drawing
 
1. An applicator for applying a microneedle device, the applicator comprising:
the microneedle device;
a housing having a first open end configured so as to accept the microneedle device and a second end of the housing configured as a graspable handle;
a driving element contained within the housing, the driving element having a first end configured so as to couple with the microneedle device;
an actuation button in mechanical or electrical engagement with the driving element;
a device life indicator in mechanical or electrical engagement with at least one of the driving element or the actuation button, wherein the device life indicator is capable of counting a number of use cycles that the applicator has undergone and, based on the number of use cycles, providing feedback to a user as to a use status of the applicator; and
a lockout mechanism configured to unlock the driving element if the number of use cycles meets predetermined acceptance criteria.