Convex ostomy barrier patent granted to Hollister

ChangeBridge: Patent Grants - Prosthetics (A61F)

Published March 31st, 2026

Detected March 31st, 2026

Summary

USPTO granted patent US12589023B2 to Hollister Incorporated on March 31, 2026, for a convex ostomy barrier and method of forming such barriers. The patent covers a skin barrier with inlet opening and convex insert system for attaching ostomy appliances to peristomal skin. Invented by Kenneth Nielsen, the patent includes 6 claims under CPC classifications A61F 5/448 and related codes.

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What changed

USPTO issued patent US12589023B2 to Hollister Incorporated on March 31, 2026, covering a convex ostomy barrier device with a skin-friendly adhesive, inlet opening for stoma reception, and a convex insert system including a convex insert and ring. The patent (application 18758303, filed June 28, 2024) has 6 claims under CPC classifications A61F 5/448, A61F 5/445, and related codes.

This is a patent grant announcement with no compliance obligations for third parties. Healthcare providers, medical device manufacturers, and ostomy patients should note this IP development for awareness, but no regulatory action is required. Patent grants do not impose deadlines, reporting requirements, or penalties on non-holders.

Source document (simplified)

← USPTO Patent Grants

Convex ostomy barrier and method of forming convex ostomy barriers of various softness

Grant US12589023B2 Kind: B2 Mar 31, 2026

Assignee

HOLLISTER INCORPORATED

Inventors

Kenneth Nielsen

Abstract

A convex ostomy barrier for attaching an ostomy appliance to a peristomal skin surrounding a stoma includes a skin barrier formed from a skin friendly adhesive, an inlet opening for receiving a stoma, and a convex insert system arranged adjacent the skin barrier to provide a convex body-side contour of the convex ostomy barrier. The convex insert system includes a convex insert and a ring, which are configured to be assembled together to form the convex insert system.