| 摘要 |
A transcutaneous electrical stimulator for applying therapeutic electrical impulses to the living body of a patient, where at least some of the electrical parameters of the electrical impulses are actuated by the use of a key. When this key is inserted in the housing of the stimulator and rotated, the several wards actuate corresponding switches, activating a controller which operates a generator to deliver the therapeutic impulses. At least one parameter of the therapeutic impulses may be determined by the pattern of the wards.
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