The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 11, 2008
Filed:
Dec. 20, 2006
Gerald K. Brewer, Redmond, WA (US);
James Christopher Mcinnes, Seattle, WA (US);
Daniel Bayeh, Seattle, WA (US);
Frederick Jay Bennett, Kirkland, WA (US);
Richard K. Taylor, Fall City, WA (US);
David A. Ballard, Sammamish, WA (US);
George A. Barrett, Shoreline, WA (US);
Gerald K. Brewer, Redmond, WA (US);
James Christopher McInnes, Seattle, WA (US);
Daniel Bayeh, Seattle, WA (US);
Frederick Jay Bennett, Kirkland, WA (US);
Richard K. Taylor, Fall City, WA (US);
David A. Ballard, Sammamish, WA (US);
George A. Barrett, Shoreline, WA (US);
Ultreo, Inc., Redmond, WA (US);
Abstract
An oral hygiene device having an ultrasound transducerand an acoustic waveguidefacilitating the transmission of ultrasonic acoustic energy to fluids in the oral cavity is disclosed. Preferred ultrasound operating parameters for operation in aqueous environments and in dental slurries are disclosed. Devices may incorporate a drive motorfor oscillating a device head, acoustic waveguideand one or more bristle tuft(s)at sonic frequencies, and preferred sonic operating parameters are also provided. Multi-element piezoelectric transducer assemblies, and various control and communications features are disclosed. Oral hygiene devices disclosed herein achieve improved plaque and stain removal from the teeth as well as interproximal and subgingival regions, while enhancing the user experience, massaging the gums, stimulating dental tissue, and disrupting biofilm.