Device for supplying cooling agents to a dental instrument of a

Details Device for supplying cooling agents to a dental instrument of a Device for supplying cooling agents to a dental instrument of a

1976-09-02

1978-08-22

Peshock, Robert

32 58, A61C 110

Patent

active

041078462

ABSTRACT:
An improved dental handpiece having a device for supplying a cooling agent to a driven dental instument supported in a head portion of a handle section which is removably mounted on a center section of a handpiece characterized by the device for supplying fluid supplying fluid to a first group of ports which are connectable with an external conduit of a first type of handle section for delivering fluid to the dental instrument and a second group of ports arranged to supply fluid to internal fluid passages of a second type of handle section in which the cooling conduits are incorporated therein and a device for preventing flow from one group of ports so that hand sections having either external cooling conduits or incorporated internal conduits for cooling fluid can both be utilized with the handpiece. In the embodiments of the improvement, the means for preventing flow may either be various valve arrangements, or specially designed plugs and fluid connections.

REFERENCES:
patent: 2532054 (1950-11-01), Broussard et al.
patent: 2557377 (1951-06-01), Ganz

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