Tool

Details Tool Tool

1987-11-23

1989-10-24

Peshock, Robert

Dentistry

Orthodontics

Tool

A61G 700

Patent

active

048758558

ABSTRACT:
An orthodontic instrument for tightening a loop in a dental ligature about an anchor affixed to a tooth, to tie an archwire to the anchor, comprises a shaft having at one end a nose for bracing the tool against the wires and bracket; a movable ligature carriage on the shaft; and means on the carriage to hold a dental ligature to the carriage with a loop in the ligature projecting around and beyond the nose of the shaft. The ligature carriage is movable along the shaft to draw the ligature loop towards the abutment at the nose of the shaft and tighten the loop before twisting the ligature 180.degree., to seat the archwire in the anchor on the tooth, and then spinning the shaft to twist the wires.

REFERENCES:
patent: 2532200 (1950-11-01), Smith
patent: 3596357 (1971-08-01), Matsumoto
patent: 3759302 (1973-09-01), Attenborough
patent: 3861045 (1975-01-01), Canter et al.
patent: 4602635 (1986-07-01), Mulhollan et al.

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