RP technology is widely used in many fields such as industrial manufacture, automobile, architecture modeling, medical apparatus, human organ modeling and archaeology.

This article takes human cranial and maxillofacial organs based on 3d reconstruction by ct as the research object, discusses the basic work of making a virtual operation system.

Organ culture model of intervertebral discs could preserve organ integrity and cell viability at least 4 weeks under iso-osmotic or hyperosmotic loading.