Surgery – Instruments – Electrical application
Patent
1998-09-09
2000-10-31
Dvorak, Linda C. M.
Surgery
Instruments
Electrical application
607 48, 606 41, A61B 1804
Patent
active
061395455
ABSTRACT:
Systems and method ablate motor nerve tissue by inserting an operative element connectable to an ablation energy generator into a defined percutaneous tissue region. The systems and methods apply stimulant energy in the defined percutaneous tissue region to stimulate targeted motor nerve tissue prior to ablation by the operative element. Application of the nerve ablation energy can permanently eliminate the function of a targeted motor nerve branch, to thereby inactivate a selected muscle. The muscle inactivation may, e.g., treat dystonias and other hyperfunction neuromuscular dysfunctions in the face and neck, such as torticollis, blepharospasm, and uncontrolled grimacing. The muscle inactivation may also provide cosmetic results, to eliminate or prevent aesthetically displeasing skin furrows, frowning wrinkles, or neck bands, which can arise from normal muscle contraction or prolonged exposure of the face to the sun.
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Edwards Stuart D
Goode Richard L
Utley David
Dvorak Linda C. M.
Gibson Roy
VidaDerm
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