Elongate medical device

摘要

This invention relates to an elongate medical device, with a distal end to be advanced into the body of a patient and then withdrawn from the body, and an elongate shaft connecting the distal end with a proximal end that remains outside the body, the shaft extending in use through a hole in the skin of the body characterized by a slider, captivated on a portion of the length of the shaft, which is capable of lining the said hole, as the shaft is advanced and withdrawn relative to said hole and the slider in the hole, said slider having a maximum outer diameter that is substantially the same as or less than a maximum outer diameter of the distal end.

主权项

1. An elongate medical device, comprising:
an elongate shaft distal end to be advanced into the body of a patient and then withdrawn from the body, a portion of which remains outside the body, connecting the shaft distal end with a shaft proximal end, the shaft extending in use through a hole in the skin of the body, a stent covered by the shaft distal end; and a slider captivated on a portion of the length of the shaft such that the shaft distal end is distal a slider distal end and the shaft proximal end is proximal a slider proximal end and configured to line the hole and remain in the hole as the shaft is advanced and withdrawn relative to the hole and the slider in the hole, the slider having a maximum outer diameter that is substantially the same as or less than maximum outer diameter of the shaft distal end, and wherein the distal end includes a pull-back sheath, and the shaft portion cross-section includes a pull wire for pulling the pull-back sheath proximally relative to the distal end.