Dental aspirator valve and valve sheath

Details Dental aspirator valve and valve sheath Dental aspirator valve and valve sheath

1988-03-22

1989-08-29

Peshock, Robert

Dentistry

Apparatus

Having suction orifice

A61C 1704

Patent

active

048612669

ABSTRACT:
A dental aspirator valve and sheath assembly is provided comprising an aspirator valve piece which is semi-permanently attached to the vacuum system and a removable sheath which is sterilizable and fits over the vacuum piece. The valve in the aspirator valve piece is indirectly operable through a handle on the sheath which mechanically engages the valve when the sheath is in place.

REFERENCES:
patent: 961901 (1910-06-01), Seagrave
patent: 1437940 (1922-12-01), Heath
patent: 2711586 (1955-06-01), Groves
patent: 3299511 (1967-01-01), Hutson
patent: 3476144 (1969-11-01), Krantz
patent: 4081176 (1978-03-01), Johnson
patent: 4083383 (1978-04-01), Antoniello
patent: 4200123 (1980-04-01), Brandelli
patent: 4397640 (1983-08-01), Haug et al.
patent: 4586900 (1986-05-01), Hymanson et al.

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