Multilumen catheter for minimizing limb ischemia
First Claim
1. A multilumen catheter for directing the flow of blood through a patient through a single cannulation site, said catheter comprising:
- a catheter having a proximal end, a first distal end and a second distal end, said first distal end extending distally further from the proximal end than the second distal end;
a first lumen extending between said first distal end and said proximal end, wherein in use said first lumen is curved at said first distal end such that blood exiting the lumen is directed back along the multilumen catheter; and
a second lumen extending between said second distal end and said proximal end.
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Accused Products
Abstract
A multilumen catheter that maximizes the blood flow into and out of the patient'"'"'s vasculature while also providing for passive and/or active perfusion of tissue downstream of where the catheter resides in the vasculature. The inventive catheter comprises a proximal end, a first distal and a second distal end. Lumens extending from the proximal end to each of these distal ends provide for blood circulation within one or between two blood vessels. At least one aperture in one of the lumens positioned near the proximal end provides for active perfusion of blood to the patient'"'"'s vasculature downstream of where the aperture resides in the vasculature when the catheter is inserted into the patient for treatment. The inventive catheter may comprise a third lumen positioned entirely within the patient'"'"'s vasculature, providing passive perfusion of blood to the patient'"'"'s vasculature downstream of where the third lumen resides in the vasculature when the catheter is inserted into the patient for treatment.
103 Citations
20 Claims
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1. A multilumen catheter for directing the flow of blood through a patient through a single cannulation site, said catheter comprising:
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a catheter having a proximal end, a first distal end and a second distal end, said first distal end extending distally further from the proximal end than the second distal end;
a first lumen extending between said first distal end and said proximal end, wherein in use said first lumen is curved at said first distal end such that blood exiting the lumen is directed back along the multilumen catheter; and
a second lumen extending between said second distal end and said proximal end. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification