Title:
頬用リトラクター装置および方法
Document Type and Number:
Japanese Patent JP6449847
Kind Code:
B2
Abstract:
A cheek retraction device comprising a frame having anterior and posterior portions for insertion into an oral cavity, which is selectively collapsible and expandable so as to be in a collapsed configuration and in an expanded configuration while positioned in the oral cavity in order to bear against and retract soft oral tissue so as to isolate one or more teeth from the soft oral tissue and create an enlarged working field, the device comprising an upper frame element and a lower frame element, the upper and lower frame elements comprising flexible left and right frame portions joined together in the posterior portion of the frame on left and right sides; and the upper and lower frame elements comprising an anterior width defined by a portion that is generally horizontal before bending in a posterior direction toward the flexible left and right frame portions.
Inventors:
Nail tea.Jessop
Bruce S. McLean
Craig Hines
Bruce S. McLean
Craig Hines
Application Number:
JP2016502701A
Publication Date:
January 09, 2019
Filing Date:
March 14, 2014
Export Citation:
Assignee:
Ultra Dent Products Inc.
International Classes:
A61G13/12; A61B1/24; A61C17/10
Domestic Patent References:
| JP2012254212A | ||||
| JP2010540117A | ||||
| JP2007283094A |
Foreign References:
| US8376743 |
Attorney, Agent or Firm:
Patent Business Corporation Tani/Abe Patent Office