Plastic Stent, UIF, Yonsei University, Apr 23
Summary
UIF (University Industry Foundation), Yonsei University filed US Patent Application US20260108711A1 on December 17, 2025 (Application No. 19423245), published April 23, 2026. The invention is a plastic stent comprising a tube-shaped front end portion with an inlet, a central portion extending integrally from the front end, and a rear end portion with an outlet communicating with the inlet via a flow path, wherein the front and rear end portions provide different restoring angles or restoring forces relative to the central portion. Inventors are Jae Hee CHO, Sung Ill JANG, Jung Hyun JO, See Young LEE, and Chan Min JUNG.
About this source
USPTO classification A61M covers devices that introduce or withdraw fluids from the body: infusion pumps, catheters, syringes, inhalers, wound drainage, dialysis equipment, and fluid-handling microfluidics. Every newly published application in A61M lands in this feed, around 205 a month. Applications publish 18 months after filing. Watch this if you compete in infusion therapy or drug delivery, file freedom-to-operate analyses for medical device startups, scout acquisition targets in cardiovascular or respiratory devices, or track hospital R&D arms that are quietly patenting clinical innovations.
What changed
UIF (University Industry Foundation), Yonsei University filed US Patent Application US20260108711A1 on December 17, 2025, published April 23, 2026, covering a plastic stent design. The stent comprises a front end portion with an inlet, an integral central portion, and a rear end portion with an outlet, where the front and rear end portions provide different restoring angles or restoring forces relative to the central portion.
Medical device manufacturers and innovators developing implantable stent technologies should note this published application as it establishes a priority date of December 17, 2025 for the described restoring-force differential design in plastic stents.
Archived snapshot
Apr 23, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
PLASTIC STENT
Application US20260108711A1 Kind: A1 Apr 23, 2026
Assignee
UIF (University Industry Foundation), Yonsei University
Inventors
Jae Hee CHO, Sung Ill JANG, Jung Hyun JO, See Young LEE, Chan Min JUNG
Abstract
The present disclosure provides a plastic stent includes a front end portion formed in a tube shape and having an inlet formed on one end; a central portion extending integrally from one end of the front end portion; and a rear end portion extending integrally from the other end of the central portion and having an outlet formed at an end of a flow path communicating with the inlet, wherein the front end portion and the rear end portion provide different restoring angles or restoring forces relative to the central portion.
CPC Classifications
A61M 27/008 A61F 2/04 A61F 2002/041 A61F 2002/045 A61F 2250/0098 A61M 2210/1057
Filing Date
2025-12-17
Application No.
19423245
Parties
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