US 12,465,752 B2
Needle-array devices and related methods
Mirko Georgiev Mirkov, Chelmsford, MA (US); and James Boll, Montclair, NJ (US)
Assigned to Cynosure, LLC, Westford, MA (US)
Filed by Cynosure, LLC, Westford, MA (US)
Filed on Sep. 29, 2023, as Appl. No. 18/374,759.
Application 18/374,759 is a continuation of application No. 17/308,898, filed on May 5, 2021, granted, now 11,806,522.
Claims priority of provisional application 63/020,461, filed on May 5, 2020.
Prior Publication US 2024/0024663 A1, Jan. 25, 2024
Int. Cl. A61N 1/36 (2006.01); A61N 1/05 (2006.01); A61N 1/32 (2006.01); A61N 1/44 (2006.01); A61N 1/04 (2006.01); A61N 1/08 (2006.01)
CPC A61N 1/0502 (2013.01) [A61N 1/328 (2013.01); A61N 1/36017 (2013.01); A61N 1/36031 (2017.08); A61N 1/44 (2013.01); A61N 1/0476 (2013.01); A61N 2001/083 (2013.01)] 23 Claims
OG exemplary drawing
 
1. A system comprising:
an applicator comprising
an electrode assembly comprising
a substrate, and
a needle array comprising a plurality of needles, the needle array extending from the substrate, the plurality of needles arranged in a pattern; and
a handpiece coupled to the electrode assembly; and
a control system in electrical communication with the plurality of needles;
wherein the control system is configured to detect a location of an enlarged sebaceous gland in response to an impedance measured using two or more needles of the plurality of needles, wherein the control system is configured to energize one or more of the plurality of needles to treat the enlarged sebaceous gland, wherein normally sized sebaceous glands are spared from targeted energy exposure.