Gingival retraction cord tool

Details Gingival retraction cord tool Gingival retraction cord tool

1994-08-15

1996-01-02

O'Connor, Cary E.

Dentistry

Apparatus

Having absorption means or means to isolate tooth or mouth...

433141, A61C 514

Patent

active

054803039

ABSTRACT:
A gingival retraction cord tool comprising a handle which has a front end formed into an elongated barrel and a rear end formed into an enlarged body. The enlarged body includes an outer end which is movable relative to the elongated barrel. Extending through the elongated barrel and the enlarged body is a through hole and located within that through hole is a length of gingival retraction cord. From the front end of the elongated barrel the retraction cord is formed into a closed loop. Movement of the outer end is between a locked position and an unlocked position. When in the locked position the cord is not movable relative to the elongated barrel and when in the unlocked position the cord is movable relative to the elongated barrel. The loop is to be placed around a tooth with the cord to be moved relative to the handle to decrease the size of the loop and snugly locate the cord about the tooth. The loop is then further decreased in size by twisting of the handle to tightly locate the loop on the tooth. The cord is then physically packed between the gum and the tooth.

REFERENCES:
patent: 2943650 (1960-07-01), Rubin
patent: 3759302 (1973-09-01), Attenborough
patent: 4247285 (1981-01-01), Roig-Greene

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