ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,478,794, issued on Nov. 25, was assigned to Longyi Bio-Medical Technology Ltd. (Kaohsiung, Taiwan).
"Plasma device for skin treatment" was invented by Che-hsin Lin (Kaohsiung, Taiwan) and Yao-hsien Wang (Kaohsiung, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a plasma device for skin repair, which includes a plasma head, a power supply, a gas supply source, and a control box. The plasma head includes an inner sleeve and an outer sleeve which are sleeved together. The inner sleeve has a first bottom portion having several first through holes. The outer sleeve has a second bottom portion having several second throug...