Founded in June 1997, ONI was a privately held company headquartered in Wilmington, Massachusetts. ONI was focused on addressing the new healthcare economics by delivering the next generation of MRI machines: high field, low cost dedicated purpose systems. The company's first offering was the OrthOne™. Further developments lead to the MSK Extreme™, a 1.0 Tesla dedicated purpose MR system with v-SPEC™ Technology and DICOM Conformance for extremity applications.
In October 2009 GE Healthcare bought ONI Medical Systems for US$ 17 Billion.

MRI Scanners:

1.0T:

From ONI Medical Systems, Inc.;
MSK-Extreme™MRI system is a dedicated high field extremity imaging device, designed to provide orthopedic surgeons and other physicians with detailed diagnostic images of the foot, ankle, knee, hand, wrist and elbow, all with the clinical confidence and advantages derived from high field, whole body MRI units. The light weight (less than 650 kg) of the OrthOne System performs rapid patient studies, is easy to operate, has a patient friendly open environment and can be installed in a practice office or hospital, all at a cost similar to a low field extremity machine.
New features include a more powerful operating system that offers increased scan speed as well as a 160-mm knee coil with higher signal to noise ratio, and the option of a CD burner.