Dental hand tool holder

Details Dental hand tool holder Dental hand tool holder

1978-01-05

1980-08-26

Peshock, Robert

Dentistry

Apparatus

Having intra-oral dispensing means

A61G 1702

Patent

active

042196183

ABSTRACT:
A dental handpiece having a head adapted to receive the tool rotatably driven through a central shaft and having a rear end adapted to be coupled to a driving member adapted to rotate freely therein, comprises an internal inlet port for supplying cooling fluid to the tool which communicates with an outlet passage leading to the head of the holder. An external inlet port also communicating with the outlet passage via a chamber is provided; the internal inlet port opens into this chamber and a valve member adapted to close either of these ports is provided for permitting the communication between the open port and the outlet passage. This handpiece is adapted to be coupled to driving members provided or not with an internal passage for delivering cooling fluid to the tool.

REFERENCES:
patent: 3277922 (1966-10-01), Eisel
patent: 4107846 (1978-08-01), Fleer

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