Guidewire with radiopaque markers
First Claim
Patent Images
1. A guidewire comprising:
- a tip section including a core wire including a first tapered portion, a reduced-in-diameter portion, a second tapered portion and a rod end portion, at least three highly radiopaque annular marked bands having a length between 1 mm and 3 mm which are received on said core wire between said first tapered portion and said rod end portion, said middle band being received on said core wire, and precisely spaced apart on said core wire by at least two plastic sleeves each having a precise length between 5 mm and 8 cm, the precise length being the same or different for the two plastic sleeves, and an outer sleeve covering the marker bands and tubing segments or sleeves.
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Abstract
The guidewire comprises: a tip section including a core wire including a first tapered portion, a reduced-in-diameter portion, a second tapered portion and a rod end portion, two or more highly radiopaque annular marker bands being received on the core wire between the first tapered portion and the rod end portion and precisely spaced apart on the core wire by one or more plastic tubing segments, and an outer sleeve covering said marker bands and tubing segments.
135 Citations
16 Claims
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1. A guidewire comprising:
- a tip section including a core wire including a first tapered portion, a reduced-in-diameter portion, a second tapered portion and a rod end portion, at least three highly radiopaque annular marked bands having a length between 1 mm and 3 mm which are received on said core wire between said first tapered portion and said rod end portion, said middle band being received on said core wire, and precisely spaced apart on said core wire by at least two plastic sleeves each having a precise length between 5 mm and 8 cm, the precise length being the same or different for the two plastic sleeves, and an outer sleeve covering the marker bands and tubing segments or sleeves.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
Specification