| 摘要 |
Methods of delivering a medical device to a point of treatment in a body vessel are described. In methods according to the invention, a reference device comprising a plurality of reference markings and a medical device comprising at least one position marker are provided. The reference device is associated with an external surface of the patient in a region adjacent the body vessel in which the medical device is to be implanted. A target implant site is determined and correlated with at least one selected reference marking on the reference device. The medical device is percutaneously advanced to the target implant site by visually referencing the at least one selected reference marking and the at least on position marker using an appropriate imaging system.
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