Method of using cannula with associated filter during cardiac su

Details Method of using cannula with associated filter during cardiac su Method of using cannula with associated filter during cardiac su

1997-11-14

1999-11-09

Thaler, Michael H.

Surgery

Instruments

Internal pressure applicator

604 96, A61M 2900

Patent

active

059805552

ABSTRACT:
Devices and methods for filtering blood. The devices generally comprise: a mesh for filtering blood flowing within a blood vessel, particularly within an artery such as the aorta; a structure adapted to open and close the mesh within the blood vessel; and a means to actuate the structure. The methods generally include the following steps: introducing a mesh into a blood vessel to entrap embolic material; adjusting the mesh, if necessary, during the course of filtration; and removing the mesh and the entrapped foreign matter from the blood vessel. Additionally, visualization techniques are used to ensure effective filtration.

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