Dentistry – Apparatus – Having suction orifice
Patent
1995-02-03
1996-04-23
O'Connor, Cary E.
Dentistry
Apparatus
Having suction orifice
433 96, A61C 1706
Patent
active
055098029
ABSTRACT:
An oral suction tip is described which includes a tubular body. The tubular body has a peripheral sidewall, a first end, a second end, and a single passage for transmitting fluids extending between the first end and the second end. A mouthpiece is provided at the second end of the tubular body. At least one vacuum release aperture extends through the sidewall of the tubular body in direct communication with the fluid passage. The at least one vacuum release aperture is spaced from the mouthpiece, such that when the mouthpiece is inserted into a patient's mouth the at least one vacuum release aperture is not confined within the patient's mouth. A porous guard overlies in spaced relation the at least one vacuum release aperture. This prevents accidental blockage of the at least one vacuum release aperture and also prevents regulation of the suction by means of the at least one vacuum release aperture.
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Article published in The Journal of The American Dental Association vol. 124 Apr. 1993 entitled Possibility of Cross-Contamination Between Dental patients By Means of the Saliva Ejector by C. M. Watson R. D. H.; R. L. S. Whitehouse, PH.D.
Watson Connie
Whitehouse Ronald L. S.
Lambert Anthony R.
O'Connor Cary E.
White Shield Inc.
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