Darrell D Smith

Address:

1303 W Frst Ave, Detroit, MI 48201

VIN:

2CNFLDEY3A6249730

Make:

CHEVROLET

Model:

EQUINOX

Year:

2010

US Patent:

58418300, Nov 24, 1998

Filed:

Feb 19, 1997

Appl. No.:

8/802618

Inventors:

John J. Barni - Mayfield Village OH
Kenneth L. Freeman - Stow OH
Gary A. Kaufmann - Hinckley OH
Darrell M. Smith - Cleveland Heights OH

Assignee:

Picker International, Inc. - Highland Heights OH

International Classification:

A61B 603

US Classification:

378 15

Abstract:

A radiation source which generates a radiation cone-beam (14) and a two-dimensional radiation detector are spiralled continuously around and longitudinally relative to an imaging volume. Image data from the two-dimensional display is reconstructed (30. sub. 1, 30. sub. 2,. . . 30. sub. n) into a volumetric, physiological image stored in a subject memory (32). During an interventional surgical procedure with a surgical instrument (42), the x-ray source is gated to operate intermittently, e. g. , at 60. degree. angular intervals, at a reduced radiation intensity by an x-ray tube control (40). The additional data is reconstructed into a three-dimensional image representation of the surgical instrument and stored in an instrument memory (34). An operator image selection processor (60) causes data retrieval circuits (62a, 62b) to retrieve like slices or other image representations from the subject and instrument memories. The retrieved data is combined (64) such that a resultant human-readable display (68) shows the instrument superimposed on the anatomical image.