AFIB report: Robotic catheter spares EPs radiation
Hansen Medical in Mountain View, Calif., showcased an electromechanical catheter remotely-guided by a physician with the Instinctive Motion Controller, which replicates the movement of the catheter inside the patient’s heart from a workstation that is removed from the radiation field.

The new Cohesion 3D Visualization Interface and its Sensei robotic catheter system offers EP physicians a software interface between Hansen’s next generation robotic technology and the St. Jude Medical EnSite System, a computer-based technology for mapping the electrical activity of the heart and for localizing and visualizing EP catheters in real time.

The system helps increase the longevity of a physician’s career because he/she is able to sit down without the burden of an additional 20 pounds of lead on their shoulders and knees, Judy Bartlett Roberto, vice president of marketing for Hansen, told Cardiovascular Business News.

The Cohesion interface, currently under FDA review, provides 3D information regarding the actual position of catheters inside a patient's heart, thereby increasing accuracy, Roberto said. It’s the first integrated product between Hansen and St. Jude.

However, the Cohesion can also be integrated with the Carto system from BioSense Webster, which Roberto stressed is important to Hansen in wanting to maintain open-architecture.

Hansen also demonstrated its IntelliSense, a tool that measures the force in grams transmitted along the shaft of the catheter as a result of catheter tissue contact. Modulating catheter tissue force can optimize the creation of 3D surface maps.

“If you push too hard on the heart, you may create a map that is inaccurate, because you’ve distorted it, and pushed the heart wall away,” Roberto noted, adding the amount of force needed varies depending upon the patient.
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