Corewire design and construction for medical devices
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United States of America Patent
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Jan 9, 2018
Issued Date -
N/A
app pub date -
Apr 29, 2015
filing date -
Mar 10, 2008
priority date (Note) -
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Abstract
A guidewire for use in ear, nose and throat procedures may include an elongate core wire having a proximal region and a distal region. The distal region of the core wire may include a flattened portion adapted to provide preferential flexure along at least one axis of the wire. The distal region of the core wire may include a tip portion distal of the flattened portion, where at least one cross-sectional dimension of the tip portion is greater than at least one cross-sectional dimension of the flattened portion. The guidewire may include an outer coil disposed around at least a portion of the elongate core wire. The guidewire may also include an atraumatic tip coupled to the core wire or the outer coil.
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