| 600 / | HD | SURGERY |
| 300 | DF | DIAGNOSTIC TESTING {38} |
| 372 | ![]() | .~ Structure of body-contacting electrode or electrode inserted in body {6} |
| 373 | DF | .~.~> Electrode placed in body {7} |
| 382 | DF | .~.~> Electrode attached to or positioned relative to a specific external body portion {3} |
| 386 | DF | .~.~> Means for attaching electrode to body {4} |
| 393 | DF | .~.~> Plural electrodes carried on single support |
| 394 | DF | .~.~> Head and socket connector for attaching lead to electrode |
| 395 | DF | .~.~> Electrode composition {2} |