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:
Oct. 09, 2018
Filed:
Jul. 24, 2014
Crosstex International, Inc., Hauppauge, NY (US);
Pac-dent International, Inc., Walnut, CA (US);
Daniel Wang, Rowland Heights, CA (US);
Denghui Chen, Suzhou, CN;
Bo Tao, Chino, CA (US);
Bo Yue, Suzhou, CN;
Yong Zhu, Suzhou, CN;
Crosstex International, Inc., Hauppauge, NY (US);
Pac-Dent International, Inc., Walnut, CA (US);
Abstract
A disposable prophy angle is provided, the prophy angle comprising a housing containing a drive shaft and a driven shaft; the drive shaft having a proximal end and a distal end and a longitudinal axis therebetween, the distal end having a substantially conical driving portion and a projection, the proximal end of the drive shaft configured to engage a dental hand piece; and the driven shaft having a driven portion comprising a recess configured for engagement by the projection and/or the substantially conical portion of the drive shaft to oscillate the driven shaft at an oscillation angle greater than 90 degrees. In some embodiments, there is a method of making a disposable prophy angle by overmolding a prophy cup to the prophy angle. In other embodiments, there is a method of using the prophy angle to prevent tooth decay.