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Tissue anchor system
| Details |
Inventors: Walshe, Christopher J.;
Assignee:
Primary Examiner: Jackson; Gary
Assistant Examiner:
Attorney, Agent or Firm: Jones, Walker, Waechter, Poitevent, Carrere & Denegre, L.L.P.
The invention disclosed herein is a tissue-anchoring system, including a tissue-anchoring device and tissue anchors. The tissue-anchoring device includes a housing and a tissue anchor positioned on the tissue-anchoring device that will be inserted into a tissue or secured onto a tissue. The device may optionally have a plunger assembly slidably positioned in the housing to assist advancing anchor into a tissue. The tissue anchor has a barb end and a shaft. The barb end is adapted to resist removal from a tissue after the anchor has been inserted. The tissue anchor shaft and the barb end may be hollow. The anchor shaft has an attachment member distal from the barb end for direct attachment to a tissue or for attachment of sutures or slings. The tissue anchors may include an adjustment mechanism for intra- or post-operative adjustments. |
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DETAILED DESCRIPTION The invention claimed is: 1.
An adjustable tissue anchor comprising: a.
an anchor body having a first and second open end with an interior chamber running between said open ends, said interior chamber having a first interleaving member; b.
an anchor shaft sized to be positioned in said anchor body and having a second interleaving member, said first interleaving member and said second interleaving member cooperating, when said anchor shaft is positioned in said interior chamber, to adjustably fix the position of said anchor shaft with respect to said anchor body; c.
a barb positioned on said anchor shaft; and d.
an attachment member formed on said anchor body.
2.
The tissue anchor according to claim 1, wherein said anchor shaft is adjustable both in a forward direction and in a rearward direction relative to said anchor body.
3.
The tissue anchor according to claim 1, wherein said tissue anchor is positioned within a hollow barrel of a delivery device.
4.
The tissue anchor according to claim 3, wherein said delivery device includes a plunger and a finger grip.
5.
The tissue anchor according to claim 1, wherein said interleaving members are interlocking threads, finger members, or indentions in said anchor shaft.
6.
The tissue anchor according to claim 1, wherein said attachment member is a ring, a tissue clamp, an annular projection, a series of indentations, or an aperture formed in said anchor shaft.
7.
An adjustable tissue anchor comprising: a.
an anchor body having a first and second open end with an interior chamber running between said open ends, said interior chamber having a first interleaving member; b.
an anchor shaft sized to be positioned in said anchor body and having a second interleaving member, said first interleaving member and said second interleaving member cooperating, when said anchor shaft is positioned in said interior chamber, to adjustable fix the position of said anchor shaft with respect to said anchor body; c.
an attachment member positioned on said tissue anchor; and d
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Gene Therapy 
