The CIRCLE INTO HIGH-RESOLUTION ELECTROGRAMS are eco-friendly, easy to use and flexible devices. The device can be used with the Carto® 3 Multi-Electrode Mapping (MEM) Version and the Lasso® NAV eco Fixed. The Variable Catheters provide precision and clarity for targeted AF therapy. With CIRCLE INTO HIGH-RESOLUTION ELECTROGRAMS you can now validate with confidence as the device maps as quickly as you can move the catheter. The CIRCLE INTO HIGH-RESOLUTION ELECTROGRAMS come with double-braided stainless steel shaft. Other features of the device are nitinol loop retains circular shape over time, new connector design snaps into place with ease, high-density, CT-like maps of chamber and pulmonary veins in one continuous workflow, small 1-mm electrodes for high-resolution mapping of the left atrium and fast, accurate anatomical reconstructions.