US 11,766,548 B2
Phototherapeutic needle patches and methods of manufacturing the same
Myoung-Ryul Ok, Seoul (KR); So Yeon Kim, Seoul (KR); Yoon Ki Joung, Seoul (KR); Yu Chan Kim, Seoul (KR); Hyun Kwang Seok, Seoul (KR); Hyung-Seop Han, Seoul (KR); Hojeong Jeon, Seoul (KR); Hyunseon Seo, Seoul (KR); Inho Kim, Seoul (KR); Kyoung Won Park, Seoul (KR); Yongwoo Chung, Seoul (KR); and Jaekyun Kim, Ansan-si (KR)
Assigned to KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, Seoul (KR); and INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY ERICA CAMPUS, Gyeonggi-Do (KR)
Filed by KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY, Seoul (KR); and Industry-University Cooperation Foundation Hanyang University ERICA Campus, Ansan-si (KR)
Filed on Jan. 21, 2021, as Appl. No. 17/153,969.
Claims priority of application No. 10-2020-0008099 (KR), filed on Jan. 21, 2020; and application No. 10-2021-0005886 (KR), filed on Jan. 15, 2021.
Prior Publication US 2021/0220631 A1, Jul. 22, 2021
Int. Cl. A61M 37/00 (2006.01); A61N 5/06 (2006.01)
CPC A61M 37/0015 (2013.01) [A61N 5/062 (2013.01); A61M 2037/0023 (2013.01); A61M 2037/0053 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A phototherapeutic needle patch comprising:
a patch body configured to be attachable to skin of a patient;
at least one microneedle protruding from the patch body, one end of each of the at least one microneedle configured to deliver a drug through stratum corneum of the skin to inner tissues of the skin; and
light grooves in a concave shape disposed along a length direction of the at least one microneedle in such a manner that therapeutic light radiated from a light source for phototherapy penetrates into the skin along the at least one microneedle,
wherein the patch body comprises an adhesive sheet on a surface in contact with the skin so as to be adherable to the skin.