Method and apparatus for CT image registration

Details Method and apparatus for CT image registration Method and apparatus for CT image registration

1996-03-05

1997-06-03

Tokar, Michael J.

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

606130, A61B 1900

Patent

active

056362552

ABSTRACT:
A method and system for correlating accuracy of computer tomography (CT) image resolution is described. Small radio-opaque markers having a diameter less than one slice width of a CT scan are embedded in the object, such as a bony skeletal member, to be measured, the object is then CT scanned so that the radio-opaque markers appear in at two slices of the scan. The markers are also physically located by detecting them with a sensor, such as a positioning pointer. Also described is one form of marker comprising a tantalum sphere mounted in a ceramic, preferably alumina, pin.

REFERENCES:
patent: 4991579 (1991-02-01), Allen
patent: 5397329 (1995-03-01), Allen

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