US 12,150,696 B2
Treatment apparatus and method of controlling same
Kwang Chon Ko, Paju (KR); and Richard Howard Cohen, San Rafael, CA (US)
Assigned to LUTRONIC CORPORATION, Goyang (KR)
Filed by LUTRONIC CORPORATION, Goyang (KR)
Filed on Jan. 11, 2022, as Appl. No. 17/573,472.
Application 17/573,472 is a continuation of application No. 16/071,413, granted, now 11,229,481, issued on Jan. 25, 2022, previously published as PCT/KR2018/000418, filed on Jan. 9, 2018.
Claims priority of application No. 10-2017-0006030 (KR), filed on Jan. 13, 2017.
Prior Publication US 2022/0133398 A1, May 5, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61B 18/00 (2006.01); A61B 18/14 (2006.01)
CPC A61B 18/1477 (2013.01) [A61B 2018/00773 (2013.01); A61B 2018/0091 (2013.01); A61B 2018/143 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A treatment apparatus, comprising:
an insertion unit configured to be inserted into a tissue located in a dermal layer or a subcutaneous fat layer through a skin surface and comprising a plurality of microneedles configured to advance and retract from an end surface of a handpiece;
a bending sensing unit provided in the handpiece and sensing bending of the insertion unit occurring during insertion; and
a controller controlling an insertion operation of the insertion unit based on information sensed by the bending sensing unit.