| 摘要 |
The present invention provides for a safer and less traumatic chronically implanted device and methods for removing same from a patient. One embodiment of the invention provides for a medical device comprising an implantable diagnostic or therapeutic lead having a distal end, a proximal end, a longitudinal axis and an outer surface, and a tubular cover attached to the diagnostic or therapeutic lead, preferably near the distal end, and positioned to cover a substantial portion of the outer surface of the diagnostic or therapeutic lead. The tubular cover is configured to evert upon application of a longitudinal force to extract the diagnostic or therapeutic lead.
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