Diagnostic electrode for use with magnetic resonance imaging

Details Diagnostic electrode for use with magnetic resonance imaging Diagnostic electrode for use with magnetic resonance imaging

1990-04-23

1991-09-03

Cohen, Lee S.

Surgery

Truss

Pad

A61B 504

Patent

active

050443682

ABSTRACT:
An improved intracranial diagnostic electrode for use with magnetic resonance imaging techniques includes an electrode body and at least one metallic contact supported by the body. An electrical lead wire is attached to the contact for connecting the contact to a diagnostic instrument. At least the metallic contact is made of an alloy which includes nickel and chromium and is substantially devoid of iron. The electrode thereby provides substantially clear images of the location of each metallic contact when the electrode is used in conjunction with magnetic resonance imaging techniques. The electrode may also include radiopaque elements or markers to adapt the electrode for use with x-ray as well as magnetic resonance imaging techniques. Several embodiments are disclosed.

REFERENCES:
patent: 4245645 (1981-01-01), Arseneault et al.
patent: 4735208 (1988-04-01), Wyler et al.
patent: 4796637 (1989-01-01), Mascuch et al.
Stuyck et al, "A Suitable Type of Wire . . . ", Ellectromyogr. Clin Neur., 1975, No. 3, 15, p. 291.

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