Patent ID: 8562620

Claim:
A bone cement injection system, comprising: an elongate structure with an interior space and having a first opening at a proximal end and a second opening at a distal end of the elongate structure, a single section of the interior space containing a column of a non-liquid polymer component of a curable bone cement, wherein the column includes a plurality of discrete predetermined column portions of different non-liquid polymer component formulations arranged sequentially within the single section of the interior space; a container coupleable to the proximal end of the elongate structure and containing a liquid monomer component of the curable bone cement therein; and a negative pressure mechanism coupleable to the distal end of the elongate structure, the negative pressure mechanism configured to draw the liquid monomer component from the container and through the first opening at the proximal end of the elongate structure into the interior space to saturate the plurality of discrete predetermined column portions of different non-liquid polymer component formulations, where each of the saturated column portions of different non-liquid polymer component formulations has a different bone cement time-viscosity characteristic.