| 摘要 |
A medical device and method for treatment in which the device has a portion for use within the body that exhibits enhanced properties such as radiopacity for viewing by x-ray fluoroscopy. The portion includes an extended metal outer member having, e.g., a predetermined density and an exposed outer surface and a core, including a metal having, e.g., a density greater than the outer member to enhance radiopacity, substantially enclosed by the outer member.
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