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LocaLisa Intracardiac Navigation System

ProductsLocaLisa Intracardiac Navigation System
Company Medtronic Inc.
Item LocaLisa Intracardiac Navigation System
Features Patient/EP Interface
  • LocaLisa Position Sensor Unit (PSU)
  • 15" Flat Panel TFT Display
  • Mounting Pole and articulating arm

  • Physician Workstation
  • LocaLisa Software
  • LocaLisa Central Processing Unit
  • 17" monitor
  • System power supply
  • Keyboard, mouse, cart
  • Cables

  • Performance specification
  • Operating Environment - Linux
  • Operating Frequency ~30 kHz @ = 300 A
  • Repeatability: Return EP catheter to within 2 mm, 99% confidence level as validated by in vitro testing1
  • Power Supply 110-220VAC, 50-60 Hz 550

  • Description The LocaLisa system is a non-fluoroscopic navigation system that tracks multiple intracardiac electrodes. The system was invented by Fred Wittkampf, Ph.D., and is being developed by Surgical Navigation Technologies and EP Systems.

    The LocaLisa system uses three skin electrode pairs, positioned in x,y,z directions around the heart to track catheters. Using a reference electrode, three separate low-power RF fields are generated to create three orthogonal fields. This electrical field creates a voltage gradient along its axis, allowing the LocaLisa system to calculate the catheter's position.

    Intracardiac catheters can be tracked, and various points of interest can be tagged throughout the procedure. The computer software allows the user to target a specific location, and then automatically measures the distance the catheter is from the target. The software offers bi-plane, as well as the standard RAO, CRA, LAO and CAU views.

    RF ablation data from the Atakr or other RF generators can be stored within the LocaLisa software, and then displayed if desired. This system is a cost saving way to navigate the endocardial surface of the heart, without extensive fluoroscopy or other expensive equipment. The three dimensional field created uses surface leads, and no extra expensive catheters are required.
    Info Medtronic Inc.
    Customer Service: (800) 551-5544
    Web site:

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