Dental environmental filter for heavy metals and mercury hygiene

Details Dental environmental filter for heavy metals and mercury hygiene Dental environmental filter for heavy metals and mercury hygiene

1998-10-22

2000-11-21

Upton, Christopher

Liquid purification or separation

Gravitational separator

Superposed compartments or baffles, e.g., parallel plate type

2105321, 433 92, 433 97, A61C 1706, B01D 2100

Patent

active

061498122

ABSTRACT:
A dental environmental filter is provided for the collection of heavy metals and other particles during dental or other procedures. The dental environmental filter incorporates a manifold with an inlet conduit and an outlet conduit, with an adjustable control handle on the top of the manifold and a baffle plate in the inside of the manifold. The manifold is sealed to the top opening of a collection chamber. During procedures which require withdrawal of fluids, the control handle and baffle plate are adjusted to a fluids mode which connects a internal adjustable conduit, which transverses through the baffle plate, with the lumen of the inlet and outlet conduits to form a continuous lumen with which to withdraw fluids through. During procedures which require the withdrawal of heavy metals or other particles, the control handle and baffle plate are adjusted to a solids mode which orients the baffle plate to face the both the lumen of the inlet and outlet conduits. Heavy metals and other particles drawn by a vacuum are deflected by the baffle plate and fall by gravity into the collection chamber. The collection chamber is removable and can be covered by a lid.

REFERENCES:
patent: 54414 (1866-05-01), Sangster
patent: 1032879 (1912-07-01), Carlton et al.
patent: 2467547 (1949-04-01), Birnbaum
patent: 4326952 (1982-04-01), Blake
patent: 4385891 (1983-05-01), Ligotti
patent: 4761235 (1988-08-01), Haentjens
patent: 4957621 (1990-09-01), Rohloff
patent: 5114578 (1992-05-01), Sundstrom

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