Device for supplying ligature wires in conjunction with a pack o

Details Device for supplying ligature wires in conjunction with a pack o Device for supplying ligature wires in conjunction with a pack o

1990-05-10

1991-07-09

Stone, Cary E.

Dentistry

Orthodontics

Tool

433 15, A61C 300

Patent

active

050300873

ABSTRACT:
A device for supplying individual ligature wires inserted as a pack of wires in a casing of the device has an operating arm. A pack of ligature wires is inserted into a recess provided in the casing. Pressure is exerted onto the pack of wires by a push rod. In each case the lowermost ligature wire in the pack is pressed into a recess formed in the bottom of the casing. Then the wire from this readiness position is advanced into a transfer position by a driving pawl mounted in a slide. The movement is carried out by pressing the operating arm, the free end of which projects into a slot of the slide and, on pressing the operating arm, advances the slide and therefore the ligature wire into the transfer position. In the transfer position, the end portions of the ligature wire can be grasped by a tool, e.g. a twister and removed from the casing to be placed into the area of use.

REFERENCES:
patent: 3596357 (1971-08-01), Matsumoto
patent: 4875855 (1989-10-01), Beckett

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