Dentistry – Apparatus – Having intra-oral dispensing means
Patent
1977-12-19
1979-11-13
Mancene, Louis G.
Dentistry
Apparatus
Having intra-oral dispensing means
128 62A, 173 29, 173 48, 301233, 433122, 433126, A61C 306, A61C 110, E02D 702, B26B 100
Patent
active
041738284
ABSTRACT:
Novel tool operating apparatus is exemplified in a dental treatment device capable of driving alternatively at least a first tool and a second tool, each tool being intended to execute a different form of motion, with a single tool driving means to which each of several different tools can be removably coupled. The driving means includes a rotatable drive shaft fitted with tool engagement means in the form of a disc affixed to the shaft and lying in a plane that makes an acute angle with the rotational axis of the shaft. One tool can be fitted over the shaft to engage the disc so as to rotate the tool with the shaft. A second tool can be fitted over the shaft so that the shaft can rotate within the tool, but the tool will not rotate with the shaft. The second tool has means for cooperating with the shaft so as to execute an oscillatory motion relative to the shaft axis. Tools capable of two optional forms of oscillatory motion are disclosed--in one the motion is parallel to the axis of the shaft; in another the motion is nutational. The drive shaft can be provided with a fluid passage on its rotational axis through which to provide fluid such as a dental treatment agent to the tools, and each form of tool can be fitted with ducts for dispensing such an agent. Further tools suitable for endodontal use are disclosed.
REFERENCES:
patent: 2738528 (1956-03-01), Fridge, Sr.
patent: 2990739 (1961-07-01), Zifferer
patent: 3000225 (1961-09-01), Taylor
patent: 3552022 (1971-01-01), Axelsson
patent: 3675645 (1972-07-01), Samiran et al.
patent: 3747216 (1973-07-01), Bassi et al.
Krasnow Leonard L.
Lustig Leopold P.
Foycik Michael
Lustig Leopold Paul
Mancene Louis G.
Rosen Alfred H.
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