MEDICAL IMAGING MEDICAL DEVICE NAVIGATION FROM AT LEAST TWO 2D PROJECTIONS FROM DIFFERENT ANGLES

In a method or system for performing an image-assisted medical procedure involving placing a medical device in a 3D human subject, at least first and second 2D projected images are obtained of the 3D subject at a respective first angle and at a respective second angle, the 3D subject having at least...

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Bibliographic Details
Main Authors PFISTER MARCUS, MEYER ANDREAS
Format Patent
LanguageEnglish
Published 18.11.2010
Subjects
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
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Summary:In a method or system for performing an image-assisted medical procedure involving placing a medical device in a 3D human subject, at least first and second 2D projected images are obtained of the 3D subject at a respective first angle and at a respective second angle, the 3D subject having at least one of the points selected from the group consisting of a start point and an end point for guidance of the medical device. At least one of the start point and the end point are identified in each of the first and second 2D images. 3D positions of at least one of the start point and the end point are calculated. At least one of these start and end point 3D positions are overlaid as a back-projection to a live 2D image. The procedure is performed utilizing the live 2D image with at least one of the start and end points as a guide to place the medical device. The medical device may comprise, for example, a wire or a needle.
Bibliography:Application Number: US20090467712