Tracheostomy tubes and assemblies

Details Tracheostomy tubes and assemblies Tracheostomy tubes and assemblies

1996-10-02

1999-11-16

Weiss, John G.

Surgery

Respiratory method or device

Respiratory gas supply means enters mouth or tracheotomy...

128911, 128912, 12820026, A61M 1600

Patent

active

059838957

ABSTRACT:
A tracheostomy tube assembly comprises an outer tracheostomy tube and an inner cannula of a flexible material preformed to the shape of the outer tube and smooth on its inside and outside. The outer tube is straight at its patient end and has a short straight machine end with a coupling. The patient and machine ends are separated by a curved intermediate region divided along its length into two sub-regions. The first sub-region closer the machine end has a small radius of curvature; the other sub-region closer to the patient end has a radius of curvature at least three times that of the first sub-region. This shape enables the patient end of the assembly to be aligned with the patient's trachea.

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patent: 5339809 (1994-08-01), Beck et al.
patent: 5458139 (1995-10-01), Pearl

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