Magnetic guidewire for lesion crossing

Details Magnetic guidewire for lesion crossing Magnetic guidewire for lesion crossing

2005-09-06

2010-10-19

Hindenburg, Max (Department: 3736)

Surgery

Diagnostic testing

Flexible catheter guide

Reexamination Certificate

active

07815580

ABSTRACT:
The invented guidewire relates to improvements in a magnetically navigable medical guidewire to enable passage through an occluded or partially occluded vessel. The guidewire comprises an elongate wire having a proximal end and a distal end, wherein the distal end further comprises a magnetically responsive element and a helical thread formed on the tip. The distal end of the guidewire may be preferably aligned substantially in the direction of an applied magnetic field, after which the proximal end of the guidewire may be torqued to rotate the threaded tip while remaining aligned with the applied magnetic field and cause the tip to screw through the blockage in the occluded vessel.

REFERENCES:
patent: 5460187 (1995-10-01), Daigle et al.
patent: 5931818 (1999-08-01), Werp et al.
patent: 6401723 (2002-06-01), Garibaldi et al.
patent: 6505062 (2003-01-01), Ritter et al.
patent: 2004/0102719 (2004-05-01), Keith et al.
patent: 2004/0116833 (2004-06-01), Kato et al.
patent: 63262160 (1988-10-01), None

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