Dentistry – Apparatus – Having motor or means to transmit motion from motor to tool
Patent
1993-03-30
1994-12-27
Wilson, John J.
Dentistry
Apparatus
Having motor or means to transmit motion from motor to tool
433 80, A61C 116
Patent
active
053760034
ABSTRACT:
A deflector shield is defined by a one-piece homogeneous body of polymeric/copolymeric synthetic transparent plastic material defined by a central portion having an opening and a peripheral portion generally surrounding the opening, the deflector shield is slipped upon a dental air/water/spray syringe and when thus positioned a concave surface is positioned immediately adjacent an end of the syringe and deflects the material impinging thereagainst and redirects the flow path of the impinging material away from the operator/dentist/assistant.
REFERENCES:
patent: 3858368 (1975-01-01), Cocherell et al.
patent: 4424036 (1984-01-01), Lokken
patent: 4611992 (1986-09-01), Lokken
patent: 4850868 (1989-07-01), Wright et al.
patent: 5067899 (1991-11-01), Paschal
patent: 5197876 (1993-03-01), Coston
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