Variable suction aspirator head with solids trap

Details Variable suction aspirator head with solids trap Variable suction aspirator head with solids trap

1991-08-16

1991-12-31

Wilson, John J.

Dentistry

Apparatus

Having suction orifice

433 92, 604119, 604902, A61C 1706

Patent

active

050767879

ABSTRACT:
A variable suction aspirator head for an end fitting of a suction hose consisting simply of an inner valve tube having wall holes and a slideable outer barrel, permitting variations in suction, the trapping of solid material by the valve tube wall holes and easy disassembly for cleaning and sterilization of the parts after each use.

REFERENCES:
patent: 2180063 (1939-11-01), McKinley
patent: 2885782 (1959-05-01), Groves
patent: 3476144 (1969-11-01), Krantz
patent: 3678959 (1972-07-01), Liposky
patent: 3834388 (1974-09-01), Sauer
patent: 4031896 (1977-06-01), Ronnmark
patent: 4430073 (1984-02-01), Bemis et al.
patent: 4487600 (1984-12-01), Brownlie et al.
patent: 4880411 (1989-11-01), Fangrow, Jr. et al.

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