Computed tomography of human joints and radioactive waste drums

Journal Article · Thu Dec 02 04:00:00 EST 1999 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.1302063· OSTI ID:21207699

Martz, Harry E; Roberson, G Patrick; Hollerbach, Karin; Logan, Clinton M; Ashby, Elaine; Bernardi, Richard ^[1]

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1. Lawrence Livermore National Laboratory, 7000 East Ave., Livermore, California 94550 (United States)

X- and gamma-ray imaging techniques in nondestructive evaluation (NDE) and assay (NDA) have seen increasing use in an array of industrial, environmental, military, and medical applications. Much of this growth in recent years is attributed to the rapid development of computed tomography (CT) and the use of NDE throughout the life-cycle of a product. Two diverse examples of CT are discussed, 1.) Our computational approach to normal joint kinematics and prosthetic joint analysis offers an opportunity to evaluate and improve prosthetic human joint replacements before they are manufactured or surgically implanted. Computed tomography data from scanned joints are segmented, resulting in the identification of bone and other tissues of interest, with emphasis on the articular surfaces. 2.) We are developing NDE and NDA techniques to analyze closed waste drums accurately and quantitatively. Active and passive computed tomography (A and PCT) is a comprehensive and accurate gamma-ray NDA method that can identify all detectable radioisotopes present in a container and measure their radioactivity.

• OSTI ID: 21207699
• Journal Information: AIP Conference Proceedings, Journal Name: AIP Conference Proceedings Journal Issue: 1 Vol. 497; ISSN 0094-243X; ISSN APCPCS
• Country of Publication: United States
• Language: English

Related Subjects

62 RADIOLOGY AND NUCLEAR MEDICINE
BIOMEDICAL RADIOGRAPHY
BONE JOINTS
COMPUTERIZED TOMOGRAPHY
CONTAINERS
GAMMA SPECTROSCOPY
LIMBS
PROSTHESES
RADIOACTIVE WASTES
RADIOISOTOPES
X-RAY RADIOGRAPHY