Real clinical impact with high resolution neurosurgical imaging Determine the adequacy of a resection. Guide biopsy procedures. Differentiate vascular malformation from adjacent hematoma. The 8862 has a sterile, single-use needle guide (UA1345). The transducer can also be easily attached to a LEYLA arm, to stay in place during surgery.Note: The BK 8862 transducer is not CE marked for licensed by Health Canada for neonatal cephalic application.