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STEREOTAXIS, INC. filed this Form S-1/A on 06/17/2004
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       The NAVIGANT advanced user interface consists of:

  •  configurable display screens located both next to the patient table inside the cath lab and in the adjacent control room, outside the x-ray fluoroscopy field, that provide advanced visualization and information integration to the physician;
  •  sophisticated embedded device software and system control algorithms that are integrated with our disposable interventional devices to facilitate ease of use and improved navigation of these devices;
  •  computer joystick or mouse control which the physician uses to direct the motion of the working tip of the disposable interventional device, either from inside the cath lab or from the adjacent control room; and
  •  a software package designed for interventional cardiology or electrophysiology, or both, as well as optional application software tailored for specific clinical procedures.

       CARDIODRIVE Automated Catheter Advancer. Where the physician is conducting the procedure from the adjacent control room, the CARDIODRIVE automated catheter advancer is used to advance and retract the catheter in the patient’s heart while the NIOBE magnets precisely steer the working tip of the device.

       We have received the FDA clearance and the CE Mark necessary for us to market the NIOBE cardiology magnet system, the NAVIGANT advanced user interface and the CARDIODRIVE automated catheter advancer in the U.S. and Europe.

Disposables and Other Accessories

       Our system is designed to use a toolkit of proprietary disposable interventional devices. The toolkit currently consists of:

       • our suite of CRONUS coronary guidewires suitable for use in interventional cardiology procedures for the introduction and placement of over-the-wire therapeutic devices, such as biventricular pacing leads used in cardiac resynchronization therapy for treating congestive heart failure;

       • our TANGENT electrophysiology mapping catheter used to locate aberrant electrical signals in the heart; and

       • our HELIOS electrophysiology ablation catheter used for certain arrhythmia treatments.

       We have received the FDA clearance and the CE Mark necessary for us to market our suite of CRONUS coronary guidewires and our electrophysiology mapping catheter in the U.S. and Europe. In addition, we have received the CE Mark for our HELIOS electrophysiology ablation catheter and, in the U.S., expect to complete clinical trials in mid-2004 and file for PMA approval in late 2004.

       Through our alliance with J&J, we are co-developing a range of ablation catheters that can be navigated with our system, with and without J&J’s 3D catheter location sensing technology. We are also developing disposable interventional devices for other applications. In addition, we have developed plastic software keys, or smart chips, that allow our system to recognize specific disposable interventional devices in order to prevent unauthorized use of our system.

       We believe that we can adapt most disposable interventional devices for use with our system by using our proprietary technology to add an inexpensive micro-magnet at their working tip. This micro-magnet is activated by an external magnetic field, which allows interventional devices with tip dimensions as small as 14 thousandths (0.014) of an inch to be oriented and positioned in a predictable and controllable fashion. We believe this approach to bringing digital control to disposable interventional devices using embedded magnets can simplify the overall design of these devices and reduce their manufacturing costs because mechanical controls are no longer required.


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