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:
Nov. 29, 2022
Filed:
Sep. 23, 2020
Wonkwang University Center for Industry Academy Cooperation, Jeollabuk-do, KR;
Research & Business Foundation Sungkyunkwan University, Gyeonggi-do, KR;
Soyoung Shin, Jeollabuk-do, KR;
Beom Soo Shin, Seoul, KR;
Seung Eun Chung, Gyeonggi-do, KR;
Meoung Jun Park, Gyeonggi-do, KR;
WONKWANG UNIVERSITY CENTER FOR INDUSTRY ACADEMY COOPERATION, Jeollabuk-Do, KR;
RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY, Gyeonggi-Do, KR;
Abstract
The present disclosure provides a gastroretentive drug delivery device having an expandable structure. The drug delivery device includes: a capsule body; an arm moving part movable within the capsule body; an elastic body positioned between one end of the capsule body and the arm moving part and acting to move the arm moving part toward the other end of the capsule body; an arm support part movable within the capsule body; a capsule cap configured to engage the other end of the capsule body; a rail formed within the capsule body; and an arm configured to be unfolded by longitudinal movement of the arm moving part and move along the rail. A disintegrable immediate-release formulation is positioned between the arm moving part and the arm support part. A disintegrable sustained-release formulation is positioned between the arm support part and the capsule cap.