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Protective device for a repeatedly rechargeable electrochemical battery

  • US 6,143,440 A
  • Filed: 07/23/1999
  • Issued: 11/07/2000
  • Est. Priority Date: 08/20/1998
  • Status: Expired due to Term
First Claim
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1. Protective device for a repeatedly rechargeable electrochemical battery with a battery housing, comprising a hermetically sealed protective housing, a detector element, and at least one switching element which is activatable by the detector element and which prevents at least one of recharging and discharging of the battery when the battery is in predetermined operating state;

  • wherein the hermetically sealed protective housing has a receiving space for the battery housing and is part of an implantable medical device;

    wherein the detector element is constructed and arranged to deflect, at least in part, in response to occurrence of said predetermined operating state of the battery, wherein the switching element is positioned so as to be activated by deflection of at least part of said detector element; and

    wherein said detector element forms part of the protective housing.

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