What is the difference between direct thermal and thermal transfer printing? There are two thermal printing methods: direct thermal and thermal transfer. Each method uses a thermal printhead that applies heat to the surface being marked. Thermal transfer printing uses a heated ribbon to produce durable, long-lasting images on a wide variety of materials.
(July 2013). An interbody fusion cage (colloquially known as a  spine cage ) is a prosthesis used in spinal fusion procedures to maintain foraminal height and decompression.n interbody fusion cage (colloquially known as a  spine cage ) is a prosthesis used in spinal fusion procedures to maintain foraminal height and decompression.
Interbody fusion â types and complications. Interbody fusion is a type of spinal surgery that utilizes a bone graft to join two or more vertebral segments. Typically, one of the first steps in this type of surgery is for the surgeon to remove one or more intervertebral discs. The surgeon also may remove parts of the vertebrae that are about to be fused.