USPTO Grants Patent for Gas Flow Controller and Valve Pin

ChangeBridge: Patent Grants - Medical Devices (A61M)

Published March 24th, 2026

Detected March 25th, 2026

Summary

The United States Patent and Trademark Office (USPTO) has granted a patent (US12582795B2) to INTERSURGICAL AG for a gas flow controller and a valve pin. This patent relates to gas blender units for healthcare use, specifically an air/oxygen blender designed to avoid pre-regulation by incorporating high turndown ratio flow control valves.

View original document View source feed page

What changed

The USPTO has issued patent US12582795B2 for a gas flow controller and valve pin, assigned to INTERSURGICAL AG. The invention focuses on gas blender units for healthcare, such as air/oxygen blenders, and features flow control valves designed for high turndown ratios, aiming to eliminate the need for pre-regulation.

This patent grant is primarily an intellectual property event. While it pertains to medical devices, it does not impose new regulatory obligations or compliance deadlines on manufacturers. Companies in the medical device sector may wish to review the patent for potential implications on their own product development or existing intellectual property.

Source document (simplified)

← USPTO Patent Grants

Gas flow controller and a valve pin for a gas flow controller

Grant US12582795B2 Kind: B2 Mar 24, 2026

Assignee

INTERSURGICAL AG

Inventors

Andrew Miller, Mark Browne, Philip Dixon

Abstract

The invention relates to gas flow controllers, for example to gas blender units such as an air/oxygen blender (2) for healthcare use, and to a valve (8) and valve pin (20,120) suitable for use in such a flow controller (20). In particular, a medical gas blender (2) is provided that avoids the need for pre-regulation by incorporating one or more flow control valves (8) having a high turndown ratio. Valves suitable for use in such a blender, or other flow controller (2), are also disclosed.