PROCESS AND APPARATUS FOR THE MIXING AND DIRECT EMPLACEMENT OF A TWO-COMPONENT BONE CEMENT

摘要

A process and apparatus is disclosed for themixing and direct emplacement of a bone cement formedfrom two components, one liquid and one powder,comprising the steps of storing the two componentsseparately in a multichamber container, opening theliquid phase container within one of the said chamberswhich is not in communication with the outsideatmosphere, setting up a negative pressure within thechamber containing the powder phase, causing aspirationof the liquid into the chamber containing the powder,mixing the two phases, compacting the paste obtained,injecting the paste into a cannula and extruding thepaste with direct emplacement of the cement.