Disposable point of use filtration element for purifying air and

Details Disposable point of use filtration element for purifying air and Disposable point of use filtration element for purifying air and

1995-03-02

1998-05-12

Swiatek, Robert P.

Dentistry

Apparatus

Having intra-oral dispensing means

433126, A61G 1702, A61C 108

Patent

active

057497265

ABSTRACT:
A point of use microfiltration device suitable for filtering the cooling water and cooling air supplies to a turbine driven dental handset is a multicompartmental device containing microporous filtration membranes effective to remove particulate matter, particularly microbes, thus protecting the patient from the risk of infection. The device contains passages providing for unrestricted turbine supply and return air, and may be provided with a light path suitable for use with fiber optic light supplies. The device is advantageously constructed to mate with standard multilumen and hand-piece end fittings, and may be disposed of after a single use.

REFERENCES:
patent: 4629425 (1986-12-01), Detsch
patent: 4869668 (1989-09-01), Seney
patent: 4950159 (1990-08-01), Hansen
patent: 5204004 (1993-04-01), Johnston et al.
patent: 5308483 (1994-05-01), Sklar et al.
patent: 5405528 (1995-04-01), Selbie et al.
"A Method of Decontamination of Ultrasonic Scalers and High Speed Handpieces", M.B. Dayoub, et al, J. Periodontol., May, 1978, pp. 261-265.

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