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US 2013/0085451 A1Published application
Plasma-treated dialysis catheter cuff
AssigneeTyco Healthcare Group LP
InventorMin-Shyan Sheu
Life of this patent
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Abstract
A catheter is disclosed. The catheter includes an elongated tubular body defining a longitudinal axis and extending to a distal end thereof, the tubular body having at least one lumen and a cuff disposed around the tubular body configured to contact tissue, the cuff formed from a plasma-treated material having enhanced tissue ingrowth properties.
Claims20
A catheter comprising:
- an elongated tubular body defining at least one lumen and a longitudinal axis, the tubular body having a distal end and a proximal end;
- and
- a cuff disposed around the tubular body configured to contact tissue, the cuff formed from a plasma-treated material.
A method for plasma-treating a catheter cuff, the method comprising:
- supplying a mixture of oxygen and at least one hydrocarbon gas into a plasma chamber;
- igniting the mixture to form a plasma;
- and
- directing the plasma over a catheter cuff.
1 more element
A method for plasma-treating a catheter cuff, comprising:
- supplying a mixture of oxygen and methane into a plasma chamber at a combined flow rate from about 15 sccm to about 40 sccm;
- igniting the mixture to form a plasma;
- and
- directing the plasma for about 1 minute to about 5 minutes over a catheter cuff.
1 more element
Dependencies are inferred from the claim text.