Surgery – Respiratory method or device – Respiratory gas supply means enters mouth or tracheotomy...
Patent
1996-04-25
1998-06-16
Buiz, Michael
Surgery
Respiratory method or device
Respiratory gas supply means enters mouth or tracheotomy...
606191, A61M 2900
Patent
active
057655596
ABSTRACT:
A plurality of cuff rings for an endotracheal tube for intubation of a trachea. At least one of the cuff rings is inflatable and deflatable independent of the other cuff ring so that at least one of the cuff rings may always remain inflated to maintain an airtight seal between the cannula of the endotracheal tube and a patient's trachea. Each cuff ring is successively inflated and deflated during the period the endotracheal tube is in a patient's trachea, thereby intermittently relieving the trachea of pressure on its inner wall. The intermittent relief of pressure by periodic deflation of each cuff ring reduces damage to the trachea. The cuff rings each have a surface associated therewith to lubricate the area of the trachea in contact with the cuff ring to substantially reduce the occurrence of damage to the trachea from abrasion by the cuff rings.
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Buiz Michael
Higher Dimension Research, Inc.
Lewis William
Reid Malcolm
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