Dental suction cannula

Details Dental suction cannula Dental suction cannula

1994-03-29

1996-02-13

O'Connor, Cary E.

Dentistry

Apparatus

Having suction orifice

433 31, A61C 1706

Patent

active

054907802

ABSTRACT:
A dental suction cannula comprises a suction conduit which carries a protection head. The protection head is U-shaped and forms a space for receiving the tooth ridge of the patient's mouth. A suction opening of the conduit communicates with that space to suction moisture therefrom. Inner surfaces of the protection head have a mirror finish to reflect light.

REFERENCES:
patent: 692281 (1902-02-01), Hare
patent: 2574217 (1951-11-01), Lundren et al.
patent: 3772790 (1973-11-01), Swan-Gett et al.
patent: 5037298 (1991-08-01), Hickham

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