Title:
SINGLE-USE AND HIGH-SPEED TURBINE HANDPIECE FOR DETAL DRILL
Document Type and Number:
WIPO Patent Application WO/2008/144985
Kind Code:
A1
Abstract:
A single-use and high-speed turbine handpiece for dental drill comprises a head
(2), a front handle (18) and a back handle (6). Each one of the head (2), the front
handle (18) and the back handle (6) is correspondingly provided with an air hole
passage (11), a vapor hole passage (14) and a central water hole passage (13).
An air delivering hose (4), a vapor hose (16) and a water delivering hose (15) are
respectively coupled in the air hole passage (11), the central water hole passage
(13) and vapor hole passage (14) of the front handle (18). The back end of the air
delivering hose (4) is connected with a barb coupler (5) of the air hose in the back
handle, and the front end of the air delivering hose (4) is connected with a barb
coupler (3) of the air hose in the head, the outside of the connecting portions
above being fastened by pipe ferrules. The back end of the vapor hose (16) is connected
with a barb coupler (7) of the vapor hose in the back handle, and the front end of
the vapor hose (16) is connected with a barb coupler (10) of the vapor hose in the
head, the outside of the connecting portions above being fastened by pipe ferrules.
The back end of the water delivering hose (15) is connected with a barb coupler
(8)of the water hose in the back handle, and the front end of the water delivering
hose (15) is connected with a barb coupler (9) of the water hose in the head, the
outside of the connecting portions above being fastened by pipe ferrules.
Inventors:
FUDONG ZHANG (CN)
Application Number:
PCT/CN2007/070181
Publication Date:
December 04, 2008
Filing Date:
June 26, 2007
Export Citation:
Assignee:
BEIJING NORTH POLE DENTAI HAND (CN)
FUDONG ZHANG (CN)
FUDONG ZHANG (CN)
International Classes:
A61C1/05; A61C3/02
Foreign References:
| CN1887236A | 2007-01-03 | |||
| CN2645627Y | 2004-10-06 | |||
| US5538425A | 1996-07-23 | |||
| US5334013A | 1994-08-02 |
Attorney, Agent or Firm:
HUIQUAN INTELLECTUAL PROPERTY LTD (Unit1 Block A, Hejingyuan, Jimenli, Haidian District, Beijing 8, CN)
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