in a way that that does not cut the skin or enter any of the body spaces in a medical test or treatment

Thanks to MRI technology, doctors are able to examine the brain non-invasively. 得益于核磁共振成像技术，医生能够对大脑进行无创检查。

This new technical solution allows hospitals to measure patients' haemoglobin levels non-invasively.

The settings can be modified noninvasively, with no need for a further operation.