The present invention relates in certain embodiments to medical devices, systems and methods for use in osteoplasty procedures, such as vertebral compression fractures. One device for delivering a bone fill material to a bone, such as a vertebra, includes an elongated introducer having a working end at a distal end of the introducer, the working end positionable within the bone and having at least one outlet opening configured to allow a bone fill material flow therethrough. An insulative coating is disposed on an external surface of the introducer, the coating being lubricious and configured to inhibit scratching of said external surface. One system for delivering a bone fill material to a bone includes such a device, a thermal energy emitter operably coupled to the introducer to apply energy to the bone fill material flowing through a channel of the introducer, and a controller in communication with the thermal energy emitter to control the operation of the thermal energy emitter.