Delta-Wave Inducer
From Star Trek : Freedom's Wiki
Medical instrument used to induce sleep, and increases the body's natural endorphin production to help accelerate the healing process.
In 2370, Bashir used a delta-wave inducer on Jadzia Dax during the operation to remove the Dax symbiont and place it in its new host, Verad. (DS9: "Invasive Procedures")
