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Patent Searching and Data


Title:
DENTAL HANDPIECE HAVING NOZZLE CONNECTION STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2014/136846
Kind Code:
A1
Abstract:
This dental handpiece is provided with a handpiece main body, which has a mixture transfer pathway for transferring a mixture of air and powder, and a nozzle that is connected to the handpiece main body and jets the mixture from the mixture transfer pathway. Dental treatment is performed by blowing the mixture at tooth surfaces. The nozzle is rotatably connected to the handpiece main body by means of a rotating mechanism therebetween. By means of such a nozzle connection structure, during subgingival treatment, when inserting the tip of the nozzle subgingivally and moving the nozzle along the tooth surface, it is not necessary to greatly move the entire handpiece main body greatly in the left-right direction, and operability of dental treatment is improved.

Inventors:
YAMANE CHIHIRO (JP)
TAKAMORI SHOUICHI (JP)
SUZUKI TETSUJI (JP)
KAWAKUBO KIYOSHI (JP)
Application Number:
PCT/JP2014/055656
Publication Date:
September 12, 2014
Filing Date:
March 05, 2014
Export Citation:
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Assignee:
NAKANISHI INC (JP)
International Classes:
A61C1/08; A61C1/12; A61C3/02; A61C17/02
Foreign References:
JPS60144412U1985-09-25
JP2001293014A2001-10-23
JP2001293009A2001-10-23
US6485303B12002-11-26
US4950160A1990-08-21
JPS60193454A1985-10-01
JP2004536661A2004-12-09
JP2006503624A2006-02-02
JPH10179617A1998-07-07
JP2007533333A2007-11-22
JPH10286268A1998-10-27
JP2008149138A2008-07-03
Other References:
See also references of EP 2965707A4
Attorney, Agent or Firm:
SAKAI Hajime et al. (JP)
Sakai 1 (JP)
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