Ball valve for use in a respiration circuit and a respiration circuit including a ball valve

ChangeBridge: Patent Grants - Medical Devices (A61M)

Published March 31st, 2026

Detected March 31st, 2026

Summary

The USPTO granted Patent US12589233B2 to Engineered Medical Systems, Inc. for a ball valve designed for use in respiration circuits. The patent covers a housing with a ball chamber, gas inlet, and multiple gas outlets with a rotatable ball configured for selective fluid communication. The patent includes 20 claims and was filed on September 23, 2021.

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What changed

The USPTO issued Patent US12589233B2 titled 'Ball valve for use in a respiration circuit and a respiration circuit including a ball valve' to assignee Engineered Medical Systems, Inc. The inventors are Bradley Allen Wheeler, Jessica Mae Zinnecker, and Kevin Michael Sempsrott. The patent covers a ball valve with a housing defining a ball chamber communicating with a gas inlet and at least two gas outlets, where the ball is configured for rotation about an axis of rotation within the chamber.

This is a patent grant notice, not a regulatory action creating compliance obligations. Medical device manufacturers developing respiratory therapy equipment should note this patent when conducting freedom-to-operate analyses to avoid potential infringement on the claimed ball valve technology in respiration circuits. No compliance deadlines or penalties are associated with this document.

Source document (simplified)

← USPTO Patent Grants

Ball valve for use in a respiration circuit and a respiration circuit including a ball valve

Grant US12589233B2 Kind: B2 Mar 31, 2026

Assignee

Engineered Medical Systems, Inc.

Inventors

Bradley Allen Wheeler, Jessica Mae Zinnecker, Kevin Michael Sempsrott

Abstract

A ball valve for a use in a respiration circuit, including a housing defining a ball chamber. The ball chamber communicating with a gas inlet and at least two gas outlets. A ball received in the ball chamber. The ball being configured for rotation about an axis of rotation within the ball chamber. The channel having a channel inlet configured for selective fluid communication with the gas inlet. The channel inlet being in fluid communication with a channel outlet configured for selective fluid communication with at least one of the at least two gas outlets.

CPC Classifications

A61M 16/20 A61M 39/24 A61M 2039/248 A61M 11/005 A61M 11/02 A61M 11/04 A61M 16/109 A61M 16/14 A61M 16/0816 A61M 16/0825 A61M 16/0833 A61M 2039/229 F16K 11/0853 F16K 11/087 F16K 11/0873 F16K 11/022 F16K 11/025 F16K 11/085-0856