Patent ID: 7829029
Filing Date: 2010-11-09
Classification: A61M

Abstract:
1. A device for preventing catheter associated urinary tract infections on a urinary catheter positioned at least partially within a patient's body, the device comprising: a catheter, an actuator coupled to the catheter at a location outside of the patient's body, wherein said actuator comprises a housing formed of two opening housing parts, a first of said parts containing springing material attached to an internal surface thereof and the second of said parts containing a piezo resonator element, wherein said piezo resonator element is attached to said springing material by means of gluing tape, and the gluing tape is attached to the external surface of said piezo resonator element and is coupled to the external surface of the urinary catheter, and a driver electrically connected between said actuator and said catheter, whereby the actuator generates acoustic surface waves of Rayleigh—Lamb or Love type, or both, on the catheter and transmits acoustic surface waves around the catheter surface in the direction towards the patient's body, whereby the surface waves mechanically create relative oscillation velocity of bacteria in relation to the catheter surface to thereby prevent their attachment to the catheter surfaces.