Patent ID: 8408250
Filing Date: 2013-04-02
Classification: A61B

Abstract:
1. A bone replacement material mixing and delivery device, comprising: a container for mixing and holding bone replacement material, the container having a top opening for addition of bone replacement material, a bottom surface, and at least one bottom opening disposed in the bottom surface of the container for transfer of bone replacement material out of the bottom surface of the container; a syringe configured to receive bone replacement material from the container for delivery to a patient, the syringe having a tip configured to be removably coupled to the at least one bottom opening of the container, the syringe comprising a plunger slidable within the syringe, the plunger having a first end and a second end, the second end configured for moving the first end of the plunger to at least a retracted position and an extended position; and at least one spacer disposed within the syringe between the tip of the syringe and the first end of the plunger, the spacer movable with the plunger and configured to contact the at least one bottom opening of the container and seal it when the plunger is moved in the retracted position so as to prevent transfer of bone replacement material into the syringe, and the spacer configured to allow transfer of bone replacement material into the syringe when the first end of the plunger is moved to the extended position to open the at least one bottom opening of the container.