METHOD FOR DECIDING THE DIRECTION OF BIOPSY NEEDLE TO BE INTRODUCED AND METHOD FOR SUPERVISING AN INTRODUCTORY ROUTE

摘要

PROBLEM TO BE SOLVED: To provide a means for enabling even less-experienced physicians to accurately carry out their works, thus securing a high target precision in a subject whose position various since the precision of targets and introduction of biopsy needles or the like, has been improved in a critical loading accuracy for a smaller scanning head.;SOLUTION: The method for deciding a direction of a biopsy needle, cannula, probe or the like, to be introduced in a living body on an ultrasonic apparatus and surveilling an introduction route thereof, in which an image of a living body is displayed in a desired range of introduction by ultrasonic scanning on a cross section, and biopsy needles, or the like, are observed on an image display during introduction as a directional axis in the selection and introduction route inside and along this cross section is extended. When a range of a larger volume of the living body is scanned by an ultrasonic apparatus suitable for 3-D scanning and display, and signals thus obtained are temporarily stored in accordance with a regulable criterion of the volume, a display section is sought before a desired route of introduction is hypothetically expressed, especially an entire volume including the desired route of introduction in compliance with the regulable border of an image laterally extending toward an axial line of the introduction route, for example, a portion of an angular or cylindrical column is selected and displayed as a 3-D image, while biopsy needles, or the like, can be observed in this 3-D image when actually introduced.;COPYRIGHT: (C)2002,JPO