| http://www.w3.org/ns/prov#value | - Anchor 42 is preferably made of stainless steel or NiTi or a polymer such as Kynar, polyester, nylon, etc., and may be coated with a material such as PTFE or other lubricious coating, such as hydrophilic or hydrophobic coating commonly used in medical devices, to help anchor 42 pass through the patient's tissue both when in the radially contracted condition of FIG. 4 and when moved to the radially
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