Emboli protection devices and related methods of use

Details Emboli protection devices and related methods of use Emboli protection devices and related methods of use

2010-01-28

2011-10-11

Koharski, Christopher D (Department: 3763)

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

C604S509000

Reexamination Certificate

active

08034023

ABSTRACT:
An evacuation sheath assembly and method of treating occluded vessels which reduces the risk of distal embolization during vascular interventions is provided. A method of treating a lesion within a blood vessel, includes providing an evacuation sheath assembly having a multi-lumen tube with proximal and distal ends, first and second lumens therebetween, and at least one sealing surface mounted on the distal end of the multi-lumen tube. The evacuation sheath assembly is advanced to a region of interest within a blood vessel. The sealing surface is deployed upstream of the region of interest to occlude antegrade flow adjacent to the lesion to be treated. A dilation catheter is advanced through the multi-lumen tube such that the dilation balloon is positioned across the lesion and the lesion is dilated. Suction is applied to induce retrograde blood flow to carry dislodged embolic material into a lumen of the evacuation sheath assembly.

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