A - Human Necessities – 61 – C
Patent
A - Human Necessities
61
C
83/3
A61C 17/00 (2006.01) A61C 3/025 (2006.01) B24C 7/00 (2006.01) A61C 1/00 (2006.01)
Patent
CA 1212851
ABSTRACT An improved tooth cleaning system in which soluble abrasive cleaning powder fed from a fluid-tight chamber and entrained in a stream of air is directed against the tooth surface to be cleaned from a manually controlled handpiece includes an improved air supply and control system having a first conduit for supplying air under pressure to the handpiece, a second conduit con- nected to the first for supplying air under pressure into the bottom portion of the fluid-tight chamber for entrain- ing cleaning powder to be discharged through an outlet opening in the fluid-tight chamber, a third conduit connected to the first and to the fluid-tight chamber for directing a flow of air into the chamber at a point above the level of the cleaning powder in the chamber, a flow restricter and air filter connected in the third conduit and with the air-filter being located in the fluid-tight chamber for filtering air flowing into and out of the system through the third conduit, fourth conduit connected to the outlet from the fluid tight chamber and to the first conduit downstream of the connection with the first and second conduits whereby air and cleaning powder discharged from the fluid-tight chamber will be mixed with the air flowing from the first conduit for delivery to the hand- piece, a pinch valve flow controller for controlling the flow of air and cleaning powder through the fourth conduit, and one-way renewable air filters connected in the first and second conduits with the renewable filters including a check valve to prevent the reverse flow of air through the filters.
441329
Cooper Laser Sonics Inc.
Smart & Biggar
LandOfFree
Dental cleaning system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Dental cleaning system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dental cleaning system will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1244880