Integrated cement delivery system for bone augmentation procedures and methods

US8409211B2 · kind B2 · utility

Assignee

• SOCIETE DE COMMERCIALISATION DES PRODUITS DE LA RECHERCHE APPLIQUÉE SOCPRA SCIENCES ET GÉNIE S.E.C. · CA

Inventor

• Gamal Baroud · Montréal, CA

Key dates

• Filing date: Oct 7, 2008
• Grant date: Apr 2, 2013
• Expiry date: Dec 25, 2031

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61M5/488
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A cement delivery system for vertebroplasty including a rigid cannula having a tubular inner wall defining a central conduit to deliver bone cement and a tubular outer wall extending around the inner wall and spaced apart therefrom to define a peripheral conduit for aspirating bone fluids. Aspirating means communicate with a proximal outlet port of the peripheral conduit to create a pressure gradient between the central conduit and the peripheral conduit to provide a hydraulic force guiding the displacement of bone fluid and the flow of cement. Also, a bone cement delivery system including a rigid cannula having a tubular inner wall defining a central conduit, a tubular outer wall extending around the inner wall and spaced apart therefrom to define a peripheral conduit, and a tubular middle wall extending between the inner and peripheral walls and spaced apart therefrom to define a middle conduit around the central conduit.