Embodiments of the present disclosure relate to devices and methods for treating one or more damaged, diseased, or traumatized portions of the spine, including intervertebral discs, to reduce or eliminate associated back pain. The apparatus includes an anti-spill receiver that houses the controller and that can contain a ozone generator. The applicator can be integrated into a wiper for the printhead to enable release agent application and printhead facing wiping to occur at approximately the same time. The transmittingreceiving apparatus comprises an optical fiber signal interface, a signal reception module, a modulation module, an IF-RF transmission module, a duplexer, a control module and a power interface. In another embodiment, pre-formed polyurethane foam particles are used.