This MRI part, Head Matrix MR Coil, is for use with the Siemens MRI system. Some of the models it can be used in are Magnetom Avanto, Magnetom Symphony and Magnetom Espree 8CH. View the complete list below. We want to make sure your Siemens equipment continues running smoothly so you can serve your patients. Contact us with questions or submit the form to start the order process.