Modular adjustable spacer mould for the femur

The modular adjustable spacer mould addresses limitations of current spacers by providing adjustable stem lengths and diameters, ensuring patient-specific fit and efficient antibiotic integration, thereby reducing surgery time and exposure to toxic fumes.

WO2026111709A1PCT designated stage Publication Date: 2026-05-28BASARIR KEREM
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Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
BASARIR KEREM
Filing Date
2025-11-21
Publication Date
2026-05-28

AI Technical Summary

Technical Problem

Current methods for producing orthopedic spacers for joint infections after prosthesis surgery are limited in size and shape options, expose healthcare personnel to toxic fumes, and prolong surgery duration due to manual shaping or factory-produced spacers with fixed antibiotic types and sizes.

Method used

A modular adjustable spacer mould with a nested structure and toothed mechanism allows for adjustable stem lengths and diameters, enabling easy mixing of desired antibiotics and conforming to patient-specific dimensions, reducing surgery time and improving antibiotic release.

Benefits of technology

Enables high flexibility in head and stem combinations, ensures patient-specific fit, and reduces surgery duration by allowing easy adjustment and integration of desired antibiotics, while minimizing exposure to toxic fumes.

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Abstract

The invention relates to a spacer mould used in the field of health, particularly in orthopaedics and traumatology, during the treatment of infections around knee prostheses. The invention particularly relates to a modular spacer mould for the femur, having detachable moulds that allow the length to be adjusted by means of a toothed structure and that enable the antibiotic cement to be shaped in the desired size.
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