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Drug delivery devices, systems, and methods

  • US 9,962,484 B2
  • Filed: 11/30/2015
  • Issued: 05/08/2018
  • Est. Priority Date: 11/09/2009
  • Status: Active Grant
First Claim
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1. A drug delivery system, comprising:

  • an elongate member defining a fluid passage and an opening in fluid communication with the fluid passage;

    a projection extending radially from the elongate member; and

    a needle configured to extend through the passage and distally beyond a distal end of the elongate member;

    wherein a portion of the elongate member extending axially from the projection to a distal end of the elongate member has a length sufficient to allow the distal end of the elongate member to reach subdermal tissue of a patient when the needle and the elongate member are inserted into the patient and the projection is in contact with an outer surface of skin of the patient, and the opening is positioned at a location along the elongate member such that the opening is disposed within a dermis of the patient when the elongate member and the needle are inserted into the patient and the projection is in contact with the outer surface of the skin of the patient; and

    wherein a portion of the elongate member between the opening and the distal end of the elongate member comprises a self-sealing material to seal the distal end of the elongate member subsequent to removal of the needle.

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