Philips has this press release about researching high temperature MRI from 2022: https://www.usa.philips.com/a-w/about/news/archive/standard/news/press/2022/20

Philips has this press release about researching high temperature MRI from 2022: https://www.usa.philips.com/a-w/about/news/archive/standard/news/press/2022/20221130-philips-signs-research-agreement-to-explore-new-magnet-technologies.html https://www.usa.philips.com/a-w/about/news/archive/standard/... I guess the need is somewhat alleviated by using MRI which seal their helium: https://www.usa.philips.com/healthcare/resources/landing/the-next-mr-wave/sealed-mr-technology https://www.usa.philips.com/healthcare/resources/landing/the...