Sphenoidal electrode and insertion method

Details Sphenoidal electrode and insertion method Sphenoidal electrode and insertion method

1987-07-08

1989-02-21

Jaworski, Francis

Surgery

Truss

Pad

128639, A61N 100

Patent

active

048056251

ABSTRACT:
An improved apparatus and method for insertion of a sphenoidal wire electrode. The apparatus includes a needle (22) carrying a wire (24) having a turned-back distal portion (34) beside the needle and terminating forwardly along the slant-tip (28). The method includes positioning the wire in the needle with such turned-back distal portion as described, inserting the needle and wire, engaging the tissue with the turned-back portion to resist unintended relocation during needle withdrawal and the subsequent test period, and unfolding the turned-back portion of the wire to straighten it by initial pulling of the wire after the test period.

REFERENCES:
patent: 4408610 (1983-10-01), Sarnoff
patent: 4616656 (1986-10-01), Nicholson et al.
patent: 4630617 (1986-12-01), Ritter et al.
Cald Well et al., "A Percutaneous Wire Electrode for Chronic Research Use" IEEE Trans. on Bio. Med. Eng. vol. 22, No. 5, pp. 429-432, Sep. 1975.

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