Patent ID: 8641658
Filing Date: 2014-02-04
Classification: A61B,A61F

Abstract:
1. A surgical hand piece comprising: a source of ultrasonic energy; a connecting body having a proximal end connected to said source and a distal end; a work tip of first and second tubes aligned side by side and adjacent to each other, at least one of said tubes having a proximal end connected to said connecting body distal end and being of a material for the ultrasonic energy from said source to be conveyed to the distal end of said at least one tube, each said first and second tube having a lumen that is to receive or discharge a fluid at its proximal end from one of first and second sources that are respectively irrigation and aspiration fluids, the lumen of each of said first and second tubes being separate and spaced apart, and each said tube having an opening at its distal end through which the fluid received or discharged at the proximal end of the respective lumen of each said tube exits from or enters the tube, with each said tube distal end opening being separate, independent of, spaced from and without being in communication with the distal end opening for the fluid to exit of the other tube; and a valve to receive the fluids from both the first and second sources and for switching the received fluids respectively to be supplied to the respective lumen of either one of said first and second tubes, wherein the respective lumen of each of said first and second tubes can receive the fluid from either one of said first and second sources as switched by said valve.