Disclosed is a current source inverter device which controls the power factor in an arbitrarily configurable manner without a magnetic pole position detector. The method includes deploying coiled tubing into the wellbore and introducing a treatment composition into the wellbore. They also permit connection to a network address from which a quote may have originated. A steering actuator of the insertion tool is operably connected to the spinal device and configured for pivoting the adjustably held spinal device within the intervertebral space while the steering actuator is controlled remotely from the intervertebral space.