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Acoustic add-on device for biofilm prevention in urinary catheter

  • US 20070244423A1
  • Filed: 03/29/2007
  • Published: 10/18/2007
  • Est. Priority Date: 05/29/2002
  • Status: Active Grant
First Claim
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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:

  • an actuator coupled to the catheter at a location outside of the patient'"'"'s body, 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.

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