| 摘要 |
PROBLEM TO BE SOLVED: To maintain a battery service life over a long period of time while reducing burdens put on a patient. SOLUTION: An implanted device 1 includes an electrode 2 fixed to the heart or pericardium, and an external device 3 electrically connected to the electrode 2 to supply power to the electrode 2. The electrode 2 is provided with a power generation element 4 for generating power by a piezoelectric effect caused by deformation accompanying the pulsation of the heart. The external device 3 is provided with a power storage means 12 for storing the power generated by the power generation element 4. COPYRIGHT: (C)2011,JPO&INPIT
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