A Mammotome device is a vacuum assisted breast biopsy device that uses image guidance such as x-ray, ultrasound and/or MRI to perform breast biopsies. A biopsy using a Mammotome device can be done on an outpatient basis with a local anesthetic. Mammotome is a registered trademark of Devicor Medical Products, Inc., part of Leica Biosystems. A Mammotome device is a vacuum assisted breast biopsy device that uses image guidance such as x-ray, ultrasound and/or MRI to perform breast biopsies. A biopsy using a Mammotome device can be done on an outpatient basis with a local anesthetic. Mammotome is a registered trademark of Devicor Medical Products, Inc., part of Leica Biosystems.