Controlled-artifact magnetic resonance instruments

Details Controlled-artifact magnetic resonance instruments Controlled-artifact magnetic resonance instruments

1998-08-17

2000-09-19

Buiz, Michael

Surgery

Instruments

Cutting, puncturing or piercing

A61B 1732

Patent

active

061205176

ABSTRACT:
The present invention provides materials and methods for preparing medical instruments which cause reduced or enhanced artifact on diagnostic images. According to the invention, a reduced artifact instrument may be prepared using titanium alloy compositions or plastic compositions disclosed herein. An enhanced artifact instrument may be prepared by incorporating artifact causing materials into artifact free instruments. Such instruments are suitable for use during diagnostic imaging procedures, for example, magnetic resonance imaging. The invention also provides compositions and methods for removing magnetic contaminants from the surface of a medical instrument or an alloy material.

REFERENCES:
patent: 4662891 (1987-05-01), Noiles
patent: 4765335 (1988-08-01), Schmidt et al.
patent: 4849208 (1989-07-01), Stavrianopoulos
patent: 5135608 (1992-08-01), Okutani
patent: 5167725 (1992-12-01), Clark et al.
patent: 5298112 (1994-03-01), Hayasaka et al.
patent: 5549612 (1996-08-01), Yapp et al.
Copy of Product Literature "Biopsy Needle" publicly available Nov. 1995.
Copy of Product Literature "Conversion Table" publicly available Nov. 1995.

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