Bone resection method by plunge milling and rasping during total ankle arthroplasty

ChangeBridge: Patent Grants - Diagnosis & Surgery (A61B)

Published March 31st, 2026

Detected April 1st, 2026

Summary

The USPTO granted Arthrex, Inc. Patent No. US12588915B2 for a system of tibial bone resection using a rasp with rough and smooth curved surfaces designed for use during total ankle arthroplasty. The patent, filed December 2, 2022, covers 13 claims and names Maris Prieditis, Benjamin Chan, and Adam N. Garlock as inventors.

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What changed

The USPTO granted Arthrex, Inc. a patent for a bone resection system comprising a handle coupled to a rasp featuring rough surfaces on the top and side portions separated by smooth curved surfaces. The patent covers three CPC classifications related to surgical bone cutting and rasping instruments (A61B 17/1659, A61B 17/1775, A61B 17/1682) and includes 13 claims.

Medical device manufacturers developing orthopedic surgical instruments should review this patent to assess potential infringement implications for existing or planned product lines. Healthcare providers performing total ankle arthroplasty procedures are not required to take any action but should be aware that specific surgical techniques and devices may be covered by this intellectual property.

Source document (simplified)

← USPTO Patent Grants

Bone resection method by plunge milling and rasping during total ankle arthroplasty

Grant US12588915B2 Kind: B2 Mar 31, 2026

Assignee

Arthrex, Inc.

Inventors

Maris Prieditis, Benjamin Chan, Adam N. Garlock

Abstract

A system for tibial bone resection, comprising a device including a handle and a rasp coupled to the handle. The rasp includes a top surface, a bottom surface, a first side surface, and a second side surface. A portion of the top surface includes a first rough surface, a portion of the first side surface includes a second rough surface, and a portion of the second side surface includes a third rough surface. A first smooth curved surface separates the first rough surface from the second rough surface, and a second smooth curved surface separates the first rough surface from the third rough surface.