Fig. 3

Anatomical examination of two special cases. A, B At 1-month follow-up, the surfaces of cover-disc and anchor were covered by a thin layer of neo-intima. The neo-intima was not found on the central screw hub but was partially found on the surface of the short central waist. C In the dog at 3-months follow-up, the surface of cover-disc and anchor were completely covered by neo-intima, even on the surface of the short central waist. Although the anchor was positioned at the LAA neck, the LAA was completely blocked. D The cover-disc was found over the LAA ostium with a certain distance, and the anchor was positioned at the LAA neck by TEE