Terumo Kabushiki Kaisha Catheter Patent Application

ChangeBridge: Patent Apps - Medical Devices (A61M)

Published December 4th, 2025

Detected March 26th, 2026

Summary

The USPTO has published a patent application (US20260083881A1) by Terumo Kabushiki Kaisha for a catheter designed to resist deterioration during long-term storage. The application details specific resin compositions and additive content for the catheter tip and main body.

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What changed

This document is a publication of a patent application filed by Terumo Kabushiki Kaisha for a novel catheter design. The application, identified as US20260083881A1, describes a catheter with specific resin formulations for its tip and main body, incorporating antioxidants and light stabilizers to prevent deterioration during long-term storage. The key innovation lies in the differential content of these additives between the catheter tip and the main body.

As this is a patent application, it does not impose immediate regulatory obligations or compliance deadlines on other entities. However, it signifies potential future product development and intellectual property within the medical device sector. Companies involved in catheter manufacturing or related technologies should be aware of this filing as it may impact future market competition and product innovation.

Source document (simplified)

← USPTO Patent Applications

Catheter

Application US20260083881A1 Kind: A1 Mar 26, 2026

Assignee

TERUMO KABUSHIKI KAISHA

Inventors

Nozomu Watanabe

Abstract

A catheter that is unlikely to deteriorate even after long-term storage includes: a catheter tip having a catheter tip resin layer containing 60% by mass or more of tungsten carbide; a catheter main body portion having a catheter main body portion resin layer containing at least one type of second additive selected from the group consisting of antioxidants and light stabilizers; and a catheter tip resin layer wherein the total content of at least one type of first additive selected from the group consisting of antioxidants and light stabilizers contained in the catheter tip resin layer is less than the total content of the second additive in the catheter main body portion resin layer, and the total content of the first additive relative to the catheter tip resin layer is 0% by mass or more and less than 3% by mass.