Invention Grant
- Patent Title: Switched safety protection circuit for an AIMD system during exposure to high power electromagnetic fields
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Application No.: US12731764Application Date: 2010-03-25
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Publication No.: US08447414B2Publication Date: 2013-05-21
- Inventor: Robert Shawn Johnson , Warren S. Dabney , Robert A. Stevenson , Christopher Michael Williams , Holly Noelle Moschiano , Scott Brainard
- Applicant: Robert Shawn Johnson , Warren S. Dabney , Robert A. Stevenson , Christopher Michael Williams , Holly Noelle Moschiano , Scott Brainard
- Applicant Address: US NY Clarence
- Assignee: Greatbatch Ltd.
- Current Assignee: Greatbatch Ltd.
- Current Assignee Address: US NY Clarence
- Agent Michael F. Scalise
- Main IPC: A61N1/08
- IPC: A61N1/08 ; A61N1/16 ; A61N1/375

Abstract:
An energy management system that facilitates the transfer of high frequency energy induced on an implanted lead or a leadwire includes an energy dissipating surface associated with the implanted lead or the leadwire, a diversion or diverter circuit associated with the energy dissipating surface, and at least one switch disposed between the diversion circuit and the AIMD electronics for diverting energy in the implanted lead or the leadwire through the diversion circuit to the energy dissipating surface. The switch may comprise a single or multi-pole double or single throw switch. The diversion circuit may be either a high pass filter or a low pass filter.
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