POLYMER COATED GUIDE WIRE
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Accused Products
Abstract
A guidewire or section thereof, that has a core member or the like with a plurality of contiguous tapered segments having taper angles that are configured to produce a linear change in stiffness over a longitudinal portion of the device. The device may also have a core section with a continuously changing taper angle to produce a curvilinear profile that is configured to produce a linear change in stiffness of the core over a longitudinal portion of the device. An embodiment has a plurality of radiopaque elements that may be intermittent, continuous or in the form of a helical ribbon for scaled measurement of intracorporeal structure under flouroscopic imaging. Another embodiment has at least one layer of polymer over the distal end of the device.
69 Citations
113 Claims
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1-85. -85. (canceled)
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86. A guidewire comprising:
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an elongate core member having a proximal section and a distal section with a longitudinal portion which tapers distally to a reduced transverse dimension; and
a tubular polymer member disposed about the distal section of the elongate core member having a plurality of longitudinal segments with at least one of the longitudinal segments being radiopaque and at least one of the segments being radiolucent. - View Dependent Claims (87, 88, 89, 90, 91)
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92. A guidewire comprising:
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an elongate core member having a proximal section and a distal section with a longitudinal portion which tapers distally to a reduced transverse dimension; and
a flexible body disposed about the distal section of the core member comprising a polymer layer disposed about a radiopaque layer. - View Dependent Claims (93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112)
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113. A guidewire comprising:
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an elongate core member having a proximal section and a distal section with a longitudinal portion which tapers distally to a reduced transverse dimension, wherein the tapered longitudinal portion includes a linear change in stiffness; and
a flexible body disposed about the distal section of the core member including a polymer layer disposed about a radiopaque layer.
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Specification