Disposable prophy angle with encompassing integral toroidal...

Details Disposable prophy angle with encompassing integral toroidal... Disposable prophy angle with encompassing integral toroidal...

2006-08-23

2008-03-04

Yao, Samchuan C. (Department: 4111)

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

C433S082000, C433S083000, C433S144000, C433S183000, C433S184000, C433S185000, C433S186000

Reexamination Certificate

active

07338285

ABSTRACT:
A dental cleaning attachment for a dental handpiece which comprises a disposable prophy angle having a neck and a right angle head, wherein the neck is removably attached to the dental handpiece. A polishing cup is rotatably connected to the head of the prophy angle. An encompassing toroidal pouch has a tube fluidly formed to and extending from the toroidal pouch. The tube runs externally along a top surface of the neck, is bent at a right angle, goes through a rear aperture in the head of the prophy angle and into a top aperture in the polishing cup. A paste material is carried within the toroidal pouch, the tube and the polishing cup. When the dental handpiece is gripped by a hand of a dental hygienist and the polishing cup is applied to a tooth, any finger of the hand of the dental hygienist can squeeze the toroidal pouch to force some of the paste material through the tube and out of the polishing cup, so that the paste material can be applied onto the tooth for cleaning.

REFERENCES:
patent: 2738528 (1956-03-01), Fridge, Sr.
patent: 3691636 (1972-09-01), Deuschle
patent: 5642994 (1997-07-01), Chipian et al.
patent: 5871353 (1999-02-01), Pierce et al.
patent: 6095813 (2000-08-01), Broyles
patent: 6164967 (2000-12-01), Sale et al.
patent: 6632090 (2003-10-01), Randolph

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