Prophylactic systems for dental instruments and methods for...

Details Prophylactic systems for dental instruments and methods for... Prophylactic systems for dental instruments and methods for...

2005-09-27

2005-09-27

Lewis, Ralph A. (Department: 3732)

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

Reexamination Certificate

active

06948934

ABSTRACT:
A prophylactic system100for a dental hand piece101of a selected shape and having an outlet112for providing a fluid to an operating field is disclosed. A cover102has a shape substantially similar to the hand piece101for enclosing the dental hand piece101and includes an aperture118for communicating with the operating field. An s-shaped valve600includes a path605for coupling the fluid from outlet118of the hand piece101to the aperture118of the cover.

REFERENCES:
patent: 3324552 (1967-06-01), Saffir
patent: 4693871 (1987-09-01), Geller
patent: 5078605 (1992-01-01), Sutter et al.
patent: 5310341 (1994-05-01), Byer
patent: 6350124 (2002-02-01), Wade

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