Flexible coating for magnetic resonance imaging compatible invas

Details Flexible coating for magnetic resonance imaging compatible invas Flexible coating for magnetic resonance imaging compatible invas

1992-08-14

1994-03-01

Rosenbaum, C. Fred

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604273, 1286532, 427 2, A61M 532

Patent

active

052902668

ABSTRACT:
Invasive devices, such as laser fiber guides and biopsy needles, constructed of a material which exhibits little or no magnetic susceptibility, have a flexible polymer coating for retaining pieces of the device in the event of a fracture of the invasive device. The polymer coating also allows removal of the pieces of a fractured invasive device from the body of a subject without requiring surgery. The surgical instruments can be used inside a magnetic field during magnetic resonance (MR) imaging, thereby allowing interactive internal images to be produced and displayed to a surgeon during surgery. Since the invasive devices exhibit low susceptibility, they do not distort a created MR image.

REFERENCES:
patent: 3695921 (1972-10-01), Shepherd et al.
patent: 5019096 (1991-05-01), Fox, Jr. et al.
"Medical Product Manufacturing News" published by Canon Communications, 3340 Ocean Park Blvd., Suite 1000, Santa Monica, Calif. 90405, p. 12 of the Jul./Aug. 1992 issue.

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