Silicone tracheal cannula

Details Silicone tracheal cannula Silicone tracheal cannula

1980-02-28

1981-05-26

Recla, Henry J.

Surgery

Respiratory method or device

Respiratory gas supply means enters mouth or tracheotomy...

12820026, A61M 2500

Patent

active

042691842

ABSTRACT:
A tracheal cannula adapted to be inserted in a round incision in the patient's trachea in place of the usual tracheotomy tube, comprises a silicone tube about 6 cm. in length having a lumen of a diameter of the order of 8 mm. The cannula has preferably three circumferential barbs near its inner end to engage the patient's tissue and prevent outward displacement, a number of circumferential ridges located between the barbs and the outer end, and an inner open end whose periphery lies in a plane at an acute angle to its longitudinal axis. The inner end has a flange adapted to fit the inner anterior tracheal wall so that the cannula will project forward at a predetermined angle to the patient's neck. The circumferential ridges serve to retain an apertured plate or washer for engaging the patient's skin surrounding the cannula to secure the latter in place.

REFERENCES:
patent: 3137299 (1964-06-01), Tabor
patent: 3263684 (1966-08-01), Bolton

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