Dialysis catheter
13 Assignments
0 Petitions
Accused Products
Abstract
A dialysis catheter comprising a first portion having a first dianeter, an elongated distal portion having a second diameter smaller than the first diameter, and a transition region between the first portion and distal portion. A first longitudinally extending central lumen configured to deliver blood terminates in an opening in the distal portion. At least two independent longitudinally extending lumens are positioned radially of the first lumen, configured to withdraw blood from a patient, and terminate in a longitudinally directed opening in the transition portion.
120 Citations
40 Claims
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1-24. -24. (canceled)
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25. A dialysis catheter comprising:
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a catheter body having a proximal portion, a distal portion, a first longitudinally extending lumen configured to deliver blood to a patient, and a second longitudinally extending lumens configured to withdraw blood from a patient;
a first blood delivery opening formed in the distal portion of the catheter body, the blood delivery opening being in fluid communication with the first lumen and configured for passage of blood therethrough;
a second blood withdrawal opening formed in the distal portion of the catheter body, the blood withdrawal opening being in fluid communication with the second lumen and configured for passage of blood from a patient; and
a spacer extending from the catheter body to reduce contact of the catheter body with a vessel wall. - View Dependent Claims (26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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Specification