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US 12,661,467 B2Granted
Medico-surgical tubes
AssigneeIcu Medical International Limited
InventorsJohn Zarembo, Eli Joseph McElwain, Mark Henry Faust, Mary Schueppert
Life of this patent
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Abstract
A cuffed tracheostomy tube has a shaft (10) with an inflation lumen (16) extending longitudinally along the shaft and opening at its patient end into a sealing cuff (13). The tube also includes a reinforcement member provided by a metal wire (25) wound into two sets of loops (26A) and (26B) of different widths. The loops (26) extend part way around the shaft (10) up to but without crossing the inflation lumen (16).
Claims7
A medico-surgical tube comprising:
- a shaft including an inner layer;
- an elongate member providing or in the form of a lumen extending within a wall of the inner layer along a substantially straight line extending parallel to the axis of the shaft;
- the tube also including
- a preformed reinforcement member extending along at least one part of the length of the shaft and wound around the inner layer along the at least one part of the length of the shaft, the reinforcement member having a plurality of loops extending around the circumference of the inner layer of the shaft up to but without crossing the elongate member provided along the inner layer;
- and
- an outer layer overlying the reinforcement member to provide a smooth outer surface for the shaft.
3 more elements
Dependencies are inferred from the claim text.