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. Author manuscript; available in PMC: 2019 Oct 24.
Published in final edited form as: Sci Robot. 2019 Apr 24;4(29):eaaw1977. doi: 10.1126/scirobotics.aaw1977

Fig. 6. Occluder deployment system.

Fig. 6.

The occluder, attached to a wire via a screw connection, is pre-loaded inside a flexible polymer delivery cannula. The delivery cannula is inserted through the lumen of the catheter into the paravalvular leak. A polymer deployment tube is used to push the occluder out of the delivery cannula. Once positioned, the occluder is released by unscrewing the wire.