Medical, in particular dental turbine handpiece

Details Medical, in particular dental turbine handpiece Medical, in particular dental turbine handpiece

1996-08-09

1998-07-21

Lewis, Ralph A.

Dentistry

Apparatus

Having motor or means to transmit motion from motor to tool

415904, A61C 105, A61C 108

Patent

active

057826340

ABSTRACT:
In a medical, in particular dental turbine handpiece, having a supply line (8) and a discharge line (9) for the turbine compressed air, whereby a valve (12) is arranged in one line, which valve is controllable by a pneumatic parameter in the other line, the valve (12) is arranged in the discharge line (9) and is so controllable that it closes when a limit value of the parameter in the supply line (8) falls below a minimum value.

REFERENCES:
patent: 3567330 (1971-03-01), Apelskog et al.
patent: 3708240 (1973-01-01), Theis, Jr. et al.
patent: 3865505 (1975-02-01), Flatland
patent: 5374189 (1994-12-01), Mendoza
patent: 5407352 (1995-04-01), Kawata
patent: 5464350 (1995-11-01), Bierbaum
patent: 5567154 (1996-10-01), Wohlgemuth

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