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(A) The TorqueVue fixed-angle delivery sheath. (B) The Amplatzer steerable delivery sheath with multiple tip deflections. (C) Differences in coaxial alignment between left atrial appendage (LAA) axis and standard (C1) or steerable (C2) delivery sheaths. (D) Differences in LAA closure and device position on follow-up imaging between steerable delivery sheath and standard patients.
