REAL-TIME TRACKING FOR MRI-GUIDED BREAST BIOPSY

摘要

The system and method of the invention pertains to an MR-guided breast biopsy procedure, specifically as to real-time tracking and navigation of a biopsy device. More particularly, the system utilizes a diagnostic imaging modality such as magnetic resonance imaging (MRI) to locate lesions in a human breast while utilizing an inertial measurement unit (IMU) to track advancement of a biopsy device in real-time. The invention simplifies the workflow of MRI-guided breast biopsies, shortens the time needed to perform the biopsy, decreases cost, and increases accuracy. This is achieved by enabling real-time visualization of the biopsy device as it advances towards the targeted lesion.

主权项

1. A system for real-time tracking and navigation during magnetic resonance imaging (MRI) guided intervention, the system comprising:
a sensor combination attached to an instrument, wherein the sensor combination includes at least one gyroscope and at least one accelerometer, with the sensor combination recording a plurality of sensor measurements; a computer processor executing an algorithm that relates the sensor measurements to states of the system, the states comprising position, velocity, acceleration, and angular velocity; and a display presenting a real-time visualization of a fixed point on the instrument overlayed on a designated target;wherein the sensor combination is an inertial measurement unit (IMU).