Direct access atherectomy devices

Details Direct access atherectomy devices Direct access atherectomy devices

2007-07-24

2007-07-24

Hayes, Michael J. (Department: 3734)

Surgery

Instruments

Internal pressure applicator

C600S104000

Reexamination Certificate

active

10164353

ABSTRACT:
An atherectomy device comprising cannula systems having lumens adapted for insertion of a blood filter and an atherectomy catheter useful for performing atherectomy directly on a patient's cardiovascular tissue. Other embodiments include a lumen for arterial perfusion useful in providing oxygenated blood to the aorta during cardiopulmonary bypass. The distal end of the atherectomy catheter includes an assembly that comprises a pincer, a loop with or without a mesh, laser, hydraulics, or other suitable mechanism adapted for removing atheroma from a cardiac or vascular tissue. Methods of using the systems for vascular atherectomy are also disclosed herein.

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