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:
Jul. 19, 2005
Filed:
Apr. 24, 2003
Applicants:
Kazumasa Ito, Aichi, JP;
Shin Yamazaki, Aichi, JP;
Inventors:
Kazumasa Ito, Aichi, JP;
Shin Yamazaki, Aichi, JP;
Assignee:
Ricoh Elemex Corporation, Aichi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61C017/06 ;
U.S. Cl.
CPC ...
Abstract
An oral cavity device wherein a pump is driven with a cleaning head introduced in the oral cavity to suck residual matter in the oral cavity and to drain it into a waste liquid tank in order to clean the oral cavity, and wherein a water feed port of a water feed tube is provided in a waste flow passage of from an end of the cleaning head to a suction port of the waste liquid tank to increase negative pressure in the waste flow passage by feeding water through the water feed tube and, then, to suck the residual matter, at a breath with the increased negative pressure by no longer feeding the water.