Cardiac stimulation system with delivery of conductive agent
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United States of America Patent
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Jan 8, 2008
Grant Date -
May 20, 2004
app pub date -
Feb 24, 2003
filing date -
Nov 16, 2002
priority date (Note) -
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Abstract
A cardiac stimulation assembly includes an energy source coupled to an energy emitter that extends form a delivery member into a region of tissue in the heart. An array of the emitters are adapted to extend from a delivery assembly and into unique locations along the region of tissue, such as by use of extendable, pre-shaped needles. A volume of conductive agent is delivered into the region and enhances stimulation of the region with the energy emitter. The agent may be an injectable preparation of living cells that express production of connexin, e.g. connexin 43, and may be genetically modified to over-express such production. The agent may include a non-living material, such as conductive polymer or metal or combination thereof. The combination of energy emitters and conductive agent enhances stimulation of the region. Delivering the stimulation assembly and conductive agent into the interventricular septum allows for improved biventricular septal pacing.
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