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Anchor systems and methods

  • US 8,038,653 B2
  • Filed: 07/16/2008
  • Issued: 10/18/2011
  • Est. Priority Date: 07/16/2008
  • Status: Active Grant
First Claim
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1. An anchor system for securing a medical instrument, comprising:

  • a retainer body to couple to a catheter;

    a plurality of flexible anchors releasably coupled to the retainer body, each anchor comprising a flexible tine that is deployable in a subcutaneous region to secure the retainer body relative to a penetration point;

    an actuator that, when activated, moves the anchors from a non-deployed position to a deployed position in which the anchors flexible anchors extend distally from the retainer body and into the subcutaneous region; and

    a retention member coupled to the retainer body that directly engages an outer circumferential surface of the catheter when the retainer body couples to the catheter, wherein the retention member defines a gripping channel that at least partially surrounds the outer circumferential surface of the catheter when the retention member engages the catheter, wherein the gripping channel is at least partially defined by a wall comprising a silicone material to press against the outer circumferential surface of the catheter when the retention member engages the catheter.

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