Transforaminal intersomatic cage for an intervertebral fusion graft and an instrument for implanting the cage

US10758363B2 · kind B2 · utility

Assignee

• LDR Medical · FR

Inventors

• Reginald James Davis · Cockeysville, US
• Kevin Kaufman · Fort Worth, US
• Gregory Hoffman · Fort Wayne, US
• Alan McGee · Fort Wayne, US
• Jean Huppert · L'Étrat, FR
• Hugues Mousselard · Paris, FR
• Ludovic Rillardon · Le Raincy, FR

Key dates

• Filing date: Jul 25, 2017
• Grant date: Sep 1, 2020
• Expiry date: Jan 18, 2038

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61F2250/0098
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

This disclosure presents various embodiments of a transforaminal intersomatic cage for an intervertebral fusion graft, and an instrument and method for implanting the cage, an embodiment of the cage having a body in the shape of a circular arc and comprising a lateral concave surface, a lateral convex surface, a straight upper surface, a straight lower surface and an end wall having at least one hole, called the end hole, designed to receive a rod of an instrument for implanting the cage between the vertebrae, wherein: the end hole has an orientation that is more or less tangential to the circular arc described by the body; the extremity opposite to the end wall of the body includes a return part extending the body toward the center of the circle on which the circular arc described by the body lies.