Expandable interbody spinal prosthesis

ChangeBridge: Patent Grants - Prosthetics (A61F)

Published April 7th, 2026

Detected April 7th, 2026

Summary

USPTO granted patent US12594169B2 to MiRus LLC for an expandable interbody device used as a prosthesis during spinal surgery. The device includes a drive block, linkage block, drive screw, first and second endplates, and linkages configured to provide spinal stability. The patent contains 30 claims.

View original document View source feed page

What changed

USPTO has granted patent US12594169B2 to MiRus LLC for an expandable interbody spinal prosthesis device. The invention is configured to be inserted between spinal disks to provide stability during spinal surgery, featuring a drive block, linkage block, drive screw, first and second endplates, and at least two linkages. Rotation of the drive screw causes movement of the linkage block relative to the drive block and/or movement of the first endplate relative to the second endplate.

Patent holders gain exclusive rights to the claimed invention for the duration of the patent term. Third parties seeking to manufacture or use similar devices should conduct freedom-to-operate analyses to avoid potential infringement of the 30 granted claims.

What to do next

Monitor for updates

Source document (simplified)

← USPTO Patent Grants

Expandable interbody

Grant US12594169B2 Kind: B2 Apr 07, 2026

Assignee

MiRus LLC

Inventors

Jay Yadav, Noah Roth, Wayne Gray, Charles Brenner

Abstract

An expandable interbody device used as a prosthesis during spinal surgery. The expandable interbody device is configured to be inserted into the space between spinal disks to provide stability. The expandable interbody device includes a drive block, a linkage block, a drive screw, a first endplate, a second endplate, and at least two linkages. Rotation of the drive screw causes movement of the linkage block relative to the drive block and/or movement of the first endplate relative to the second endplate.