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Transvaginal bone anchor implantation device

  • US 6,599,235 B2
  • Filed: 12/20/2000
  • Issued: 07/29/2003
  • Est. Priority Date: 03/18/1997
  • Status: Expired due to Term
First Claim
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1. A surgical method of correcting urethral hyper-mobility and recurrent female urinary incontinence comprising:

  • incising a vagina to create a triangular-shaped opening;

    determining an anchor site via palpation of a pubic bone, said anchor site being approximately 0.5 cm posteriorly and superiorly from an inferior edge of an ischial ramus;

    providing a device having a handle and a shaft extending from said handle, said shaft having a straight portion and a curved portion extending from said straight portion such that said straight portion and said handle lie along a same longitudinal plane and said curved portion lies above said longitudinal plane, wherein said curved portion releasably engages a bone anchor;

    attaching a first self-tapping bone anchor to a distal end of said device;

    affixing said bone anchor to said pubic bone by;

    inserting said curved portion of said device through said incision;

    locating said self-tapping bone anchor at said anchor site on said pubic bone;

    pulling said device rearwardly to cause said self-tapping bone anchor to penetrate and attach to said pubic bone;

    pushing said device in a forward direction until said bone anchor detaches from said device; and

    removing said device through said incision;

    affixing a second self-tapping bone anchor contralaterally and in a manner similar to said first self-tapping bone anchor;

    providing a rectangular-shaped mesh sling having one of more holes at each end of said mesh sling, each of said holes being sized to receive a shank of a head of said bone anchor;

    inserting a first end of said mesh sling through said vaginal incision;

    attaching a first hole of a first end of said mesh sling to said first bone anchor;

    locating said mesh sling about said urethra;

    attaching a first hole of a second end of said mesh sling to said second bone anchor;

    tensioning said sling so as to support and stabilize said urethra in its normal anatomic position; and

    suturing said incision to close said triangular-shaped opening.

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