Acoustic add-on device for biofilm prevention in urinary catheter
US7829029B2 · kind B2 · utility
10Cited by
15References
50Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 29, 2007 |
| Grant date | Nov 9, 2010 |
| Priority date | — |
| Expiry date | Aug 28, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61M2205/50
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A urinary catheter clip-on device applies surface acoustic waves of Rayleigh-Lamb and/or Love type to a urinary catheter for preventing biofilms on the catheter surfaces. The bacteria is forced to move relative to the vibrating catheter surface. The amplitudes of bacteria vibrations are in nanometer range. The relative motion of bacteria results in bacteria quorum sensing, and disrupts the bacteria attachment process. The method is preventive as surface acoustic waves create low acoustic energy and bacteria is not killed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.