Tracheal tube with disposable cannula

Details Tracheal tube with disposable cannula Tracheal tube with disposable cannula

1975-01-20

1976-04-06

Pace, Channing L.

Surgery

Truss

Pad

A61M 1600

Patent

active

039482740

ABSTRACT:
A tracheal tube having straight inner and outer end portions integrally connected by a curved central portion contains a cannula that can be removed from one end. The cannula is a normally straight one-piece flexible tube of plastic circumferentially corrugated from approximately its inner end outwardly to a point at least as far as the outer end of the curved central portion of the tracheal tube. The corrugated wall of the cannula stiffens the part of the cannula that extends through the curved central portion of the tracheal tube to prevent it from collapsing when the cannula is inserted in the tracheal tube.

REFERENCES:
patent: 3388705 (1968-06-01), Grosshandler
patent: 3443564 (1969-05-01), Oehmig
patent: 3599642 (1971-08-01), Tindel

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