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Intracardiac catheter and a method for detecting myocardial ischemia

  • US 4,681,117 A
  • Filed: 05/27/1986
  • Issued: 07/21/1987
  • Est. Priority Date: 02/15/1983
  • Status: Expired due to Fees
First Claim
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1. An intracardiac catheter for transmitting electric currents from the heart of a living subject to a monitor comprising:

  • and electric lead including at least one electric conductor having first and second ends, an electrically insulating sheath covering a substantial portion of the conductor, sensing means connected to the first end of the conductor capable of detecting electric currents inside and emanating from major areas of the heart wall or all of the heart wall, and means connected to the second end of the conductor to connect the electric lead to the monitor; and

    means secured to the electric lead for preventing the sensing means from coming into direct contact with the endocardium of the heart for preventing the sensing means from causing a current of injury, said electric lead, sensing means and means preventing the sensing means from coming into contact with the endocardium being sized to pass transvenously or transarterially into a ventricle of the heart.

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