Dentistry – Apparatus – Having suction orifice
Patent
1989-09-22
1992-01-07
O'Connor, Cary E.
Dentistry
Apparatus
Having suction orifice
433 96, A61C 1700
Patent
active
050786032
ABSTRACT:
A filtering suction nozzle particularly adapted for use in connection with a dental or medical suction system. The nozzle is suited for use as a high speed suction tip and/or a saliva ejector formed of an elongate tube defining a fluid flow path therethrough. Filtering means are arranged within the tube in the flow path of any fluid passing therethrough, and coupling means are arranged at one end of the tube to connect the tube to a suction line from a suction source. The tube may be formed with flexible pleats to facilitate bending. According to the method of the invention, filtering means are arranged in the flow path of any existing suction nozzles to thereby reduce debris collection in the suction system and minimize possible patient infection from previously collected debris.
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Fiddler Robert W.
O'Connor Cary E.
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