Dentistry – Apparatus – Having intra-oral dispensing means
Patent
1989-04-18
1990-12-04
Swiatek, Robert P.
Dentistry
Apparatus
Having intra-oral dispensing means
433126, A61G 1702
Patent
active
049750542
ABSTRACT:
A dental tool adapted to deliver a mixed stream of two fluids to teeth of a patient. It comprises a nozzle, a hand-piece, and a resiliently flexible clip adapted to releasably retain the nozzle in the hand-piece. The nozzle has an elongate body portion, a proximal end, a distal end, and first and second conduits through the body portion. The conduits define first and second fluid passages. The hand-piece is adapted for delivering a first fluid stream and a second fluid stream through a downstream end of the hand-piece to the proximal end of the nozzle and through the fluid passages and distal end of the nozzle. The clip has a base portion secured to the hand-piece and a contact portion adapted for engaging a contact region of the nozzle's body portion. The clip is adapted for being deflected to disengage the contact portion from the contact region to enable a user to readily remove the nozzle from or insert the nozzle into the hand-piece.
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Lucchesi Nicholas D.
Swiatek Robert P.
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