Turbine air exhaust block

Details Turbine air exhaust block Turbine air exhaust block

1991-02-04

1992-10-27

Mancene, Gene

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

A61C 116

Patent

active

051584565

ABSTRACT:
An attachment for a dental handpiece comprised of a circular band with an extended channel and slot on opposite sides, fitted with a pliable material insert, which can be mounted to a dental handpiece. The main purpose of the Handpiece Turbine Air Exhaust Block is to effectively block the air and water coolant ports with its pliable material insert. Blocking the air coolant port is desired when operating the handpiece near open wounds in the mouth, in order to avoid air emphysema. Further, blocking the water pot eliminates the problem of "suck back", a condition where a handpiece will harbor infectious diseases and transmit them to the next patient.

REFERENCES:
patent: 684951 (1901-10-01), Rothkranz
patent: 1101947 (1914-06-01), Morgan
patent: 1476976 (1923-12-01), Ivory
patent: 1549165 (1925-08-01), Thiedemann
patent: 1821451 (1931-09-01), Terry
patent: 2731722 (1956-01-01), Wilen
patent: 2835084 (1958-05-01), Fotre
patent: 2855672 (1935-10-01), Franwick et al.
patent: 3815241 (1974-06-01), Lingenhohle et al.
patent: 4752223 (1988-06-01), Carlson

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