Activation tool for a bone expansion apparatus

US12336737B2 · kind B2 · utility

Assignees

• ECOLE NATIONALE SUPERIEURE DE TECHNIQUES AVANCEES · FR
• ASSISTANCE PUBLIQUE—HÔPITAUX DE PARIS (APHP) · FR
• UNIVERSITÉ PARIS CITÉ · FR

Inventors

• Natacha KADLUB · Paris, FR
• Jean-Yves Boisson · Paris, FR
• Jérémy Dallard · Joinville-le-Pont, FR
• Nicolas Kogane · Paris, FR

Key dates

• Filing date: Jul 3, 2020
• Grant date: Jun 24, 2025
• Expiry date: Sep 14, 2041

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61B2017/681
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

The invention relates to an activation tool (1) for a bone expansion apparatus (3), the bone expansion apparatus (3) being a distraction plate apparatus (3), the activation tool (1) comprising a magnetic element (130) solidly attached to a rotation shaft (120) of the activation tool (1), the magnetic element (130) being configured to interact coaxially with a distant magnetic element (310) borne by the bone expansion apparatus (3), the activation tool (1) being characterised in that it further comprises an electric motor (110) configured to cause the rotation shaft (120) to rotate, and a control module (140) controlling the rotation of the rotation shaft (120).The invention also relates to an assembly of a bone expansion apparatus (3) and of such an activation tool (1), in which the bone expansion apparatus (3) is a distraction plate apparatus (3).