| http://www.w3.org/ns/prov#value | - As disclosed in U.S. Patent Application Publication No. US 2001/0020174 A1, which is entitled ???Helical And Pre-Oriented Loop Structures For Supporting Diagnostic And Therapeutic Elements In Contact With Body Tissue??? and incorporated herein by reference, there are a variety of ways to increase the flexibility of the distal region of helical portion.
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