Patent ID: 8876750
Filing Date: 2014-11-04
Classification: A61F,A61M

Abstract:
1. An improved irrigation and aspiration tubing system for use with a phacoemulsification surgical instrument, said system of the type having an irrigating fluid supply source and an aspiration vacuum supply source, said instrument of the type having a first internal flow path for supplying irrigating fluid to a surgical site and a second internal flow path for aspirating fluid and particles from said site, said system comprising: a first flexible tube segment external of said instrument, having first and second ends, for transporting said irrigating fluid from said irrigating fluid supply to said instrument; a second flexible tube segment external of said instrument, having first and second ends, forming a path for aspirated fluid and particles from said instrument to said vacuum supply source, said second tube segment positioned wholly within said first tube segment to form first and second lumens, said second lumen comprising said second tube segment; said first lumen comprising that portion of said first tube segment not occupied by said second tube segment; means for connecting said first lumen to said second internal flow path; means for connecting said second lumen to said first internal flow path; means for connecting said first lumen to said aspiration vacuum supply source; and means for connecting said second lumen to said irrigating fluid supply.