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Patent Searching and Data


Title:
DENTAL HANDPIECE NOZZLE
Document Type and Number:
WIPO Patent Application WO/2014/136847
Kind Code:
A1
Abstract:
This dental handpiece nozzle comprises a nozzle main body and a connection section connected to a handpiece main body, and in the nozzle main body, a notch having an approximately rectangular cross section is formed from the front surface to the two side surfaces at the vicinity of the tip, forming an upstream surface and a downstream surface. The nozzle is provided separately with: a duct for passing a mixture; the discharge opening of the duct; a duct for passing water; and the discharge opening of the duct. The mixture duct extends from the connection section to the vicinity of the tip along the front surface of the nozzle main body interior, and the mixture discharge opening opens to the upstream surface. A guide that receives the mixture discharged from the mixture discharge opening and guides same towards the outside of the notch is provided to the downstream surface. By means of the nozzle, during subgingival treatment, a mixture is suitably blown at the site of treatment, it is possible for a mixture discharge subgingivally to be efficiently released supergingivally, and thus operability is improved.

Inventors:
YAMANE CHIHIRO (JP)
TAKAMORI SHOUICHI (JP)
SUZUKI TETSUJI (JP)
KAWAKUBO KIYOSHI (JP)
Application Number:
PCT/JP2014/055657
Publication Date:
September 12, 2014
Filing Date:
March 05, 2014
Export Citation:
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Assignee:
NAKANISHI INC (JP)
International Classes:
A61C1/08; A61C17/02; A61C1/12; A61C3/02
Domestic Patent References:
WO2012004505A12012-01-12
Foreign References:
JP2004313786A2004-11-11
JP2007533333A2007-11-22
JP2002165806A2002-06-11
JPH10286268A1998-10-27
JP2008149138A2008-07-03
Other References:
See also references of EP 2965708A4
Attorney, Agent or Firm:
SAKAI Hajime et al. (JP)
Sakai 1 (JP)
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