A HUMAN NECESSITIES
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A61 MEDICAL OR VETERINARY SCIENCE; HYGIENE
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A61N ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
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A61N1/00 Electrotherapy; Circuits therefor
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A61N1/02 Details
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A61N1/04 Electrodes
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A61N1/05 for implantation or insertion into the body, e.g. heart electrode
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A61N1/056 Transvascular endocardial electrode systems
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A61N1/057 Anchoring means; Means for fixing the head inside the heart
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