Customized material for improved radiopacity

Surgery – Diagnostic testing – Detecting nuclear – electromagnetic – or ultrasonic radiation

Reexamination Certificate

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C378S092000

Reexamination Certificate

active

06904310

ABSTRACT:
A method for obtaining diagnostic information about a region of a living being, the region having a medical device with a radiopaque portion disposed therein. An X-ray beam having a first energy level in excess of the K-absorption edge of the radiopaque portion of the medical device is directed at the region to obtain a first image information and radiographically locate the medical device within the living being and an X-ray beam having second energy level at or below the K-absorption edge is applied to the region to obtain a second image information.

REFERENCES:
patent: 4432370 (1984-02-01), Hughes et al.
patent: 4672212 (1987-06-01), Brahme
patent: 4890310 (1989-12-01), Umetani et al.
patent: 4945552 (1990-07-01), Ueda et al.
patent: 5361761 (1994-11-01), Van Lysel et al.
patent: 5594771 (1997-01-01), Kawai
patent: 2002/0039401 (2002-04-01), Salb
patent: WO 02/05863 (2002-01-01), None
patent: WO 02/078764 (2002-10-01), None
Copy of PCT Search Report dated Apr. 30, 2003.

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