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Subcutaneous vascular access ports

  • US 9,603,988 B2
  • Filed: 12/21/2012
  • Issued: 03/28/2017
  • Est. Priority Date: 01/29/2009
  • Status: Active Grant
First Claim
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1. A vascular access port comprising:

  • a base that extends in a longitudinal direction and in a transverse direction, wherein the longitudinal direction of the base is configured to run substantially parallel to a lumen of a vessel when the vascular access port is attached to the vessel, and wherein the base comprises a bottom surface that is configured to face the vessel when the vascular access port is coupled to the vessel;

    an opening in the bottom surface of the base; and

    a passageway that extends through the base and comprises a proximal end and a distal end,wherein the proximal end of the passageway comprises an entry mouth that is configured to be positioned beneath a surface of the skin of a patient when the vascular access port has been implanted in the patient, wherein the entry mouth is open to permit one or more needles to be inserted individually through the passageway,wherein the distal end of the passageway comprises the opening in the bottom surface of the base to permit the one or more needles to pass through the opening and through a specific region of the vessel when the vascular access port is coupled to the vessel, andwherein the vascular access port is configured to permit movement of the one or more needles through the vascular access port and through the opening in the bottom surface of the base without any portion of the vascular access port moving relative to other portions of the vascular access port.

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