Fig. 2From: A patient-specific three-dimensional couplant pad for ultrasound image-guided radiation therapy: a feasibility studyExample of the process for fabricating a patient-specific 3D couplant pad (CP). a The patient skin contour is extracted from the simulation CT images. b The patient skin mold is fabricated by 3D printer. c A CP is casted by pouring gelatin solution into a container accommodating the moldBack to article page