| 摘要 |
A phacoemulsification tip is formed from a tube that encloses an aspiration lumen surrounded by and generally concentric with a structure section. The structure section has a plurality of structures (ridges, vanes, ribs, or fins). The plurality of structures project inward from an inner wall of the tube at the distal end of the tube. The plurality of the structures are disposed at an angle with respect to a face of the distal end of the tube. Alternatively, the plurality of the structures are disposed at a non-perpendicular angle with respect to a plane that is tangent to a curved outer surface of the tube.
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