Patent
1977-04-21
1978-07-04
Peshock, Robert
A61C 700
Patent
active
RE0296864
ABSTRACT:
An orthodontic elastic band appliance, for use with an orthodonitic bracket which defines a channel, comprises a generally elongated elastic member having protuberances along the length thereof, the protuberances being in the form of, for example, spaced or adjacent nodules. Alternatively, the band may be in the form of an elongated strand with spaced, generally radially directed, cut-out portions along the length thereof so as to provide an orthodontic elastic band with alternately arranged larger and smaller dimension portions. The band may also comprise two strands twisted together and heat sealed together so as to form an overall elastic band of irregular outer circumference, or a single elastic strand having spaced twists set therein. The external dimensions of the elastic band, including the largest cross-sectional portions thereof, may be of any desired value, larger or smaller than the opening of the channel of the orthodontic bracket. The irregularly shaped outer surface of the orthodontic band facilitates tying knots in same and in weaving same between teeth in a stretched condition so as to apply appropriate corrective orthodontic forces.
REFERENCES:
patent: 3174787 (1965-03-01), Kolman
patent: 3593421 (1971-07-01), Brader
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