Method and apparatus for preventing a back flow of oral...

Details Method and apparatus for preventing a back flow of oral... Method and apparatus for preventing a back flow of oral...

A - Human Necessities

61

C

A61C 17/08 (2006.01)

Patent

CA 2120630

A method of preventing a back flow of oral contaminants in a low volume suction line of a dental saliva ejector is described. This method consists of the single step of placing a vacuum release aperture through a tubular sidewall of a saliva ejector tip. The aperture is spaced from a mouthpiece of the saliva ejector tip such that when the mouthpiece is inserted into a patient's mouth, the patient's mouth will not block the aperture.

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