Dentistry – Apparatus – Having suction orifice
Patent
1991-02-13
1992-09-08
O'Connor, Cary E.
Dentistry
Apparatus
Having suction orifice
433 95, 433143, 433141, A61C 1706, A61C 300
Patent
active
051453681
ABSTRACT:
The invention relates to a suction root elevator and a suction dental curette each of which comprises a handle and a working part both of which are provided with a canal system which extends through both the handle and working part. The canal system terminates in an opening at the tip of the working part on one side while the opposite end of the canal is by means of a flexible connection attached to a suction unit. In addition to the integrated canal system an external pipe system may be attached running parallel to the longitudinal axis of the instrument terminating in an opening next to or distally of the working part's tip, while its opposite end is attached by means of a flexible connection to a rinsing device. The working end of the suction root elevator as well as the suction dental curette may be detachably secured to the handle thus permitting to be replaced by another similarly or differently shaped working part.
REFERENCES:
patent: 1345606 (1920-07-01), Leonard
patent: 2531730 (1950-11-01), Henderson
patent: 2715899 (1955-08-01), MacLean
patent: 4568332 (1986-02-01), Shippert
patent: 4822278 (1989-04-01), Oliva et al.
patent: 4878900 (1989-11-01), Sundt
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