Prime 56X Ultrasound ScannerIncludes a Upgraded MicroConvex Probe! **The Prime 56x** The ultimate ultrasound machine for canines, felines, or other small animals. This portable ultrasound machine comes with a veterinary grade probe included. **The Prime 56x Ultrasound Machine** By default, this portable ultrasound machine includes a convex probe. Established in 1997, the company has built a reputation for high quality ultrasound equipment with impeccable reliability, service,