Patent ID: 7811291

Claim:
A closed vertebroplasty bone cement injection system, comprising: at least a first chamber and a second chamber; a first bone cement component in the first chamber and a second bone cement component in the second chamber; a mixing chamber, for mixing the first and second bone cement components; an elongate injection needle, for directing bone cement into a treatment site in a spine; and a closed flow path for directing the first and second bone cement components from the first and second chambers, through the mixing chamber, through the injection needle and into the spine at the treatment site, wherein the injection needle is configured for one hand operation and comprises an elongate body having a deflectable distal end, a central lumen, and an exit port carried by the deflectable distal end in communication with the central lumen; a deflection control carried by the needle; and an input port positioned at an angle with respect to a longitudinal axis of the elongate injection needle and positioned distally of the deflection control in communication with the central lumen and configured to receive the first and second bone cement components wherein the deflectable distal end is in a substantially straight configuration from the input port to the exit port in an unstressed state.