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US 10,238,836 B2Granted
Catheter having an expandable lumen and method of manufacture
AssigneeCovidien LP
InventorMichael Sansoucy
Life of this patent
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Abstract
A single or multiple lumen catheter is disclosed which includes an expandable lumen. The expandable lumen is movable from a collapsed or sealed configuration to an open or expanded configuration. In the open configuration, the expandable lumen is dimensioned to receive a guidewire or stylet or facilitate the introduction of fluids into a patient.
Claims12
A method of manufacturing a multi-lumen catheter, the method comprising the following steps:
- extruding a catheter body having a first lumen and a second lumen and a septum separating the first lumen from the second lumen, the septum including a removable material positioned within and extending along the length of the septum, wherein the septum is extruded from an elastomeric material;
- and
- removing the removable material from the septum to define a slit which extends through the septum along the length of the septum, the slit being expandable from a normally closed or normally substantially closed configuration to an expanded configuration to define a third lumen.
Dependencies are inferred from the claim text.