A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 25/04 (2006.01) A61M 25/00 (2006.01)
Patent
CA 2131329
2131329 9317747 PCTABS00025 A method and apparatus for retaining a catheter tip in a fixed position within a blood flow and preventing it from contacting a blood vessel wall. The apparatus includes a tip retainer at the distal end of the catheter that anchors the tip of the catheter within the blood vessel. The catheter tip is retained within the blood vessel spaced from the wall to ensure that it does not contact the wall of the blood vessel. This reduces damage to the blood vessel caused by chronic movement and contact between the catheter tip and the wall of the blood vessel. In one embodiment, the tip retainer includes a prong that penetrate the wall of the blood vessel, thus preventing the catheter tip from moving longitudinally within the blood vessel. In alternative embodiments, the tip retainer contacts the wall but does not penetrate the wall.
Kirkman Thomas R.
Oyen Wiggs Green & Mutala Llp
LandOfFree
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