Orthopaedic planning systems and methods of repair associated with erosion

The system uses three-dimensional spherical object fitting to assess and quantify bone erosion at articular surfaces, enhancing orthopaedic procedures by improving implant selection and placement, thus addressing joint instability and pain.

WO2026147842A1PCT designated stage Publication Date: 2026-07-09ARTHREX INC

Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
ARTHREX INC
Filing Date
2025-12-29
Publication Date
2026-07-09

AI Technical Summary

Technical Problem

Existing orthopaedic procedures struggle to accurately assess and address bone erosion and loss at articular surfaces, particularly in joints like the shoulder, leading to joint instability and pain, as current methods lack effective three-dimensional analysis and implant placement techniques.

Method used

A system and method utilizing a computing device with processors to execute a planning environment that fits three-dimensional spherical objects to articular surface contours, determining erosion conditions based on relative sizes and volumes, and displaying indicators of erosion in a graphical user interface to guide precise implant or bone graft selection and placement.

Benefits of technology

Enables accurate three-dimensional classification and quantification of bone erosion, facilitating improved joint mobility and healing by providing detailed surgical plans for implant selection and placement, addressing the limitations of two-dimensional classification systems.

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Abstract

This disclosure relates to planning systems and methods associated with erosion along an articular surface of a joint. The planning systems and methods disclosed herein may be utilized for planning orthopaedic procedures to restore functionality to a joint, may include determining an amount of erosion along or otherwise adjacent to an articular surface of a bone. One or more spherical objects may be utilized to determine the erosion.
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