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    • 2. 发明公开
    • SALIVA EJECTOR
    • EP4403133A1
    • 2024-07-24
    • EP24151907.3
    • 2024-01-15
    • Tardelli, Enio
    • TARDELLI, Enio
    • A61C17/06
    • A61C17/096
    • Saliva ejector cannula (1) comprising:
      - a tube (2) made of plastic material, having a first free end (4), adapted to occupy a patient's mouth, and a second end (5), adapted to be connected to a suction system of known type;
      - a bow (3) adapted to be associated with said tube (2) to determine a permanent U-shaped bend of said tube (2), comprising two end collars (11', 11"),

      where said tube (2) comprises:
      - a first corrugated portion (6);
      - a second (7') and a third (7") corrugated portion,

      where said second (7') and said third (7") corrugated portion are preceded, followed and spaced by smooth portions (8', 8", 8‴) of the tube (2),
      where said bow (3) further comprises an intermediate top collar (11‴),
      and where said collars (11', 11 ", 11‴) are adapted to surround the smooth portions (8', 8", 8") of said tube (2) before, after and between said second (7') and said third (7") corrugated portion, respectively.