Tool holder for ultrasonic endodontic apparatus

Details Tool holder for ultrasonic endodontic apparatus Tool holder for ultrasonic endodontic apparatus

A - Human Necessities

61

C

83/14

A61C 1/07 (2006.01)

Patent

CA 1270669

ABSTRACT OF THE DISCLOSURE A tool holder preferably for an ultrasonic endo- dontic apparatus includes an eccentric member in the holder to secure the butt end of a tool thereon by a camming action during limited rotation of a cam member. The tool holder also includes an irrigating fluid passage located proximate to, but remote from, a tool-receiving bore in the tool holder to direct irrigating fluid onto the tool. An eccentric cam is mounted in a cross-bore within the tool holder, located rela- tive to a tool-receiving bore having a predetermined longi- tudinal depth, so that a camming action of the eccentric cam longitudinally seats the tool deep in the bore while securing it there by the cam upon limited rotational motion of the cam. The cam includes tool pads for receiving mating surfaces of a bifurcated wrench.

511966

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