Dental treatment device with variable cooling

Details Dental treatment device with variable cooling Dental treatment device with variable cooling

2005-09-23

2008-10-14

Wilson, John J (Department: 3732)

Dentistry

Apparatus

Having intra-oral dispensing means

C433S027000, C433S098000

Reexamination Certificate

active

07435085

ABSTRACT:
In the case of a treatment device, in particular a dental treatment instrument, having a tool, such as a dental drill, driven by a drive unit, and a conduit for delivery of a cooling medium to a treatment site worked by the tool, the quantity of the cooling medium delivered to the treatment site is dependent upon the removal power of the tool or upon the torque exercised by the tool.

REFERENCES:
patent: 2984008 (1961-05-01), Weisberg
patent: 3568318 (1971-03-01), Martin
patent: 4302185 (1981-11-01), Hall
patent: 4373699 (1983-02-01), Leiberich
patent: 5947729 (1999-09-01), Bell
patent: 6270342 (2001-08-01), Neuberger et al.
patent: 890344 (1999-01-01), None
patent: WO 91/00067 (1991-01-01), None

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