Most people who have metal in their body after surgery can have an MRI. For example, patients with hip or knee replacements can have an MRI after surgery, though some implanted devices require some time after surgery. Certain devices can never go into the MRI machine. Heart pacemakers (unless MRI safe), and some implanted pumps and nerve stimulators cannot go, or require specific conditions to go, in the MRI scanner. Some brain aneurysm clips (particularly older ones) might not go into the scanner. We would need more specific information: type, where and when the clip was placed. If you have had any prior surgery, you must let the technologist know prior to the scan. Also, if there is any chance there may be metal in any part of your body from a prior injury or from grinding metal, please inform the scheduler at time of booking and technologist prior to the scan.