Dialysis catheter and methods of insertion
14 Assignments
0 Petitions
Accused Products
Abstract
A method of inserting a dialysis catheter into a patient comprising the steps of inserting a guidewire into the jugular vein of the patient through the superior vena cava and into the inferior vena cava, providing a trocar having a lumen and a dissecting tip, inserting the trocar to enter an incision in the patient and to create a subcutaneous tissue tunnel, threading the guidewire through the lumen of the trocar so the guidewire extends through the incision, providing a dialysis catheter having first and second lumens, removing the trocar, and inserting the dialysis catheter over the guidewire through the incision and through the jugular vein and superior vena cava into the right atrium.
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Citations
33 Claims
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1-10. -10. (canceled)
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11. A method of inserting a dialysis catheter into a right atrium of a patient comprising:
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providing a dialysis catheter having a first lumen for blood delivery and a second lumen for blood withdrawal, a terminal end of the first and second lumens being axially spaced;
inserting a guidewire into the inferior vena cava of the patient;
passing the guidewire through a subcutaneous tissue tunnel;
inserting a stiffening member through the lumen in the catheter to advance the catheter over the guidewire;
advancing the dialysis catheter and stiffening member over the guidewire into the vein and into the right atrium of the patient; and
removing the guidewire leaving the dialysis catheter in place for a period of time. - View Dependent Claims (12, 13, 14)
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15-18. -18. (canceled)
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19. A method of inserting a catheter into a patient comprising:
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creating a subcutaneous tissue tunnel;
inserting a guide member so it extends into the vein of the patient;
providing a catheter having a first lumen for blood delivery and a second lumen for blood withdrawal;
passing the guide member through the subcutaneous tissue tunnel; and
inserting the catheter into the vein of the patient over the guide member. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27)
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28. A method of inserting a catheter into a patient comprising:
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providing a catheter;
inserting a guide member through the incision into the vein of a patient;
creating a subcutaneous tissue tunnel;
providing an insert member;
inserting the insert member into the catheter;
passing the guide member through the subcutaneous tissue tunnel;
inserting the insert member and catheter into the vein of the patient over the guide member as the guide member extends through an opening in the insert member; and
securing the catheter to the patient. - View Dependent Claims (29, 30)
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31. A method of inserting a catheter into a vein of a patient comprising:
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inserting a guidewire into the vein of a patient, the guidewire extending out of the incision to form a loop;
creating a subcutaneous tissue tunnel;
inserting a catheter through a first end of the subcutaneous tissue tunnel to exit a second end of the tunnel;
inserting the catheter over the loop in the guidewire and into the vein of the patient, the step of inserting including the step of providing a stiffening member within the catheter having an opening to pass over the guidewire as it is advanced into the vein with the catheter; and
securing the catheter to the patient. - View Dependent Claims (32, 33)
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Specification