4C Medical Prosthetic Heart Valve

ChangeBridge: Patent Grants - Prosthetics (A61F)

Published March 31st, 2026

Detected March 31st, 2026

Summary

The USPTO granted patent US12588998B1 to 4C Medical Technologies, Inc. for a collapsible and expandable prosthetic heart valve implant designed for implantation in a heart chamber. The patent includes 126 claims and was filed on April 23, 2025 under Application No. 19187060. Inventors are Saravana B. Kumar, Steven D. Kruse, and Jason S. Diedering.

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What changed

The USPTO granted Patent No. US12588998B1 to 4C Medical Technologies covering a prosthetic heart valve designed to maintain natural blood flow. The implant features a curved outer section sized relative to the heart chamber dimensions using ellipsoid measurements within predetermined percentage ranges, allowing customization based on imaging. The patent is classified under multiple CPC categories including A61F 2/24 variants.

Medical device manufacturers and healthcare providers should record this patent in their IP monitoring systems to assess potential licensing needs or freedom-to-operate considerations for similar cardiac implant technologies. This grant does not impose compliance deadlines or regulatory obligations but establishes exclusive rights for 4C Medical Technologies in the US market for this specific prosthetic valve design through the patent term.

Source document (simplified)

← USPTO Patent Grants

Prosthetic heart valve for natural blood flow

Grant US12588998B1 Kind: B1 Mar 31, 2026

Assignee

4C Medical Technologies, Inc.

Inventors

Saravana B. Kumar, Steven D. Kruse, Jason S. Diedering

Abstract

A collapsible and expandable implant for implanting in a heart chamber on a side of a heart. The implant may include an outer section including a curved portion configured to be positioned in the heart chamber. The implant may be sized such that an ellipsoid conforming to the curved portion has a height greater than a length of the heart chamber by a percentage that is within a predetermined range of height percentage values. The implant may be sized such that the ellipsoid has a width greater than a width of the heart chamber by a percentage that is within a predetermined range of width percentage values. The length and width of the heart chamber may be defined in an image of the heart chamber.