Surgery – Diagnostic testing – Flexible catheter guide
Reexamination Certificate
2008-07-14
2011-12-06
Jackson, Gary (Department: 3734)
Surgery
Diagnostic testing
Flexible catheter guide
Reexamination Certificate
active
08070694
ABSTRACT:
Systems for less invasive medical procedures comprise a filter device mounted on an integrated guiding structure and an aspiration catheter. These components can be used together or separately, and the system can be used with other medical devices that are designed for less invasive procedures, such as procedures in a patient's vasculature. The filter device can involve improved torque coupling with a torque coupler associated with a resilient member that correspondingly also provides increased flexibility relative to an overtube that forms a tube for the remaining portions of the device. An actuation tool for the filter device used a systematic loading procedure for proper loading of the corewire and overtube into the actuation tool. A fiber cartridge comprises fibers loaded as a bundle into the cartridge for delivery with the ends of the fibers respectively bonded to radiopaque markers that can be visualized to come together when the filter is properly deployed. The aspiration catheter generally has a rapid exchange format. The catheter can have a radiopaque band that is held in place under metal wire embedded within the polymer forming the tube of the catheter. In some embodiments, the aspiration catheter has a small diameter distal portion that can access into small diameter vessels in which the distal portion has a smaller average diameter than the remaining tube of the catheter.
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Anderson Edward
Boldenow Greg
Galdonik Jason A.
Ganesan Kavitha
Kirchgessner John
Jackson Gary
Medtronic Vascular Inc.
Shipley Amy
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