Interdental immobilization device

Details Interdental immobilization device Interdental immobilization device

1991-03-12

1993-05-11

O'Connor, Cary E.

Dentistry

Orthodontics

Means to transmit or apply force to tooth

602 17, A61C 300

Patent

active

RE0342491

ABSTRACT:
An interdental immobilization device consists, in the preferred embodiment, of a longitudinal deformable shaft having a smooth cylindrical portion that terminates as a pointed tip at the distal end and a helical threaded portion at the proximate end. A nut defining an aperture therethrough matingly threads along the helical threaded portion and the length of the deformable shaft is such as to permit the distal portion of the cylindrical portion to encircle the tooth and to loop above the shaft over a segment of the helical threaded portion. In an alternative embodiment, the longitudinal shaft has a detent at the proximate end and there are anchoring fixtures in the form of truncated conics which are adapted to travel along the shaft. One of the fixtures anchors in the detent and the other, is engaged against adjacent teeth by the nut, when the nut is turned down on the helical thread. The conics provide a bearing surface adapted to carry interconnecting elements such as wires or elastics for staplizing the jaw.

REFERENCES:
patent: 2481177 (1949-09-01), Tofflemire
patent: 2502902 (1950-04-01), Tofflemire
patent: 4202328 (1980-05-01), Sukkarie
patent: 4355979 (1982-10-01), Weissman
patent: 4727867 (1988-03-01), Knoderer
patent: 4813869 (1989-03-01), Gatewood
M. Voldrich, Stomatologicka, Prague, Czechoslovakia.

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