Surgery – Instruments – Internal pressure applicator
Reexamination Certificate
2008-05-13
2008-05-13
Dawson, Glenn K. (Department: 3731)
Surgery
Instruments
Internal pressure applicator
C600S585000
Reexamination Certificate
active
07371248
ABSTRACT:
A steerable guidewire apparatus for use during percutaneous catheter interventions such as angioplasty or stent deployment. A protection element comprising a filter or an occluder is mounted near the distal end of the steerable guidewire, which guides a therapeutic catheter. The guidewire comprises a hollow shaft movably disposed about a core wire. The shaft and core wire control separation of the ends of the protection element, causing transformation of the protection element from a deployed configuration to a collapsed configuration. Farther separation of the ends of the protection element, after it has been collapsed, causes deflection in a distal region of the apparatus.
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Dapolito Steven
Dunfee Albert H.
Crittenden James F.
Dawson Glenn K.
Medtronic Vascular Inc.
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