The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 19, 2022
Filed:
Jun. 02, 2017
Postech Research and Business Development Foundation, Pohang-si, KR;
The Catholic University of Korea Industry-academic Cooperation Foundation, Seoul, KR;
Gachon University of Industry-academic Cooperation Foundation, Seongnam-si, KR;
Jeong Hun Park, Pohang-si, KR;
Dong-Woo Cho, Seoul, KR;
Jung-Seob Lee, Yangsan-si, KR;
Ju Young Park, Daegu, KR;
Min Jun Ahn, Busan, KR;
Inn Chul Nam, Seoul, KR;
Sung Won Kim, Seoul, KR;
Jae Yeon Lee, Pohang-si, KR;
Jin Woo Lee, Incheon, KR;
Sun Hwa Park, Seoul, KR;
Byeong Gon Yun, Seoul, KR;
POSTECH RESEARCH AND BUSINESS DEVELOPMENT FOUNDATION, Pohang-si, KR;
THE CATHOLIC UNIVERSITY OF KOREA INDUSTRY—ACADEMIC COOPERATION FOUNDATION, Seoul, KR;
GACHON UNIVERSITY OF INDUSTRY—ACADEMIC COOPERATION FOUNDATION, Seongnam-si, KR;
Abstract
The present invention relates to a bellows framework having a concave-convex structure on at least one of outer and inner sides using three-dimensional printing technology and a method of producing thereof, and an artificial tracheal replacement comprising an epithelium part formed on the inner side of the bellows framework and an annular cartilage part formed along the circumference of concave-convex grooves on the outer side and a method of producing thereof.