Medical electrical lead

Details Medical electrical lead Medical electrical lead

2007-07-24

2007-07-24

Cohen, Lee S. (Department: 3739)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical energy applicator

C600S377000, C600S393000

Reexamination Certificate

active

09514906

ABSTRACT:
A medical electrical lead for establishing an electrical connection with a tissue of the body, the lead having a lead body and a semi-cylindrical cuff. In the preferred embodiment the semi-cylindrical cuff features one or more electrodes. The semi-cylindrical cuff having a long flap which wraps about the cuff and a short flap which wraps about the long flap. The semi-cylindrical cuff is relatively stiff as compared to the short flap. The short flap, in turn, is relatively the same stiffness as the long flap. The stiffness of each flap may be varied, however, so that one is more or less than the other, and in turn, than the cuff. Through such a multi-flap construction the electrodes may be positioned proximal to a nerve in such a manner that the mechanically induced damage may be minimized or even entirely eliminated. Finally, a method of implanting such an electrode is also disclosed.

REFERENCES:
patent: 3654933 (1972-04-01), Hagfors
patent: 4276882 (1981-07-01), Dickhudt et al.
patent: 4979511 (1990-12-01), Terry, Jr.
patent: 5344438 (1994-09-01), Testerman et al.
patent: 5699796 (1997-12-01), Littmann et al.

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