VIZMARK

Medical and surgical apparatus, namely, a permanent implant of artificial material for the purpose of tissue marking that incorporates contrast agents sealed within a chamber in a container formed from a solid material to radiographically mark soft human and animal tissue, the contrast agents producing a change in signal intensity under magnetic resonance imaging (MRI) and enhancing visibility under other imaging modalities, namely, computed tomographic (CT) imaging, fluoroscopy, mammography, and ultrasound imaging