Implants and procedures for supporting anatomical structures for treating conditions such as pelvic organ prolapse
Implants for the treatment of pelvic support conditions and methods of implementing the same. The implants comprise relatively soft, flexible bodies and relatively strong arms extending in predetermined orientations therefrom. Methods and devices for placing the implants minimize trauma to the pelvic floor and provide well-anchored support to pelvic organs without interfering with sexual or other bodily functions.
1. A system for supporting an anatomical structure comprising:
a mesh support member;
a first soft tissue anchor having a distal tip and a shoulder connected to one another by a shaft, the shaft extending directly through a fold of the mesh support member, a portion of an interior of the fold resting directly over the shoulder;
a suture loop passing through an eyelet formed through a portion of the first soft tissue anchor proximal of the shoulder of the first soft tissue anchor, the eyelet formed through the portion of the first soft tissue anchor proximal the shoulder positioned within the interior of the fold, the suture loop extending from the eyelet and out from the interior of the fold of the mesh supporting member; and
a second soft tissue anchor comprising an aperture through which a portion of an arm of said mesh support member passes.
2. The system of claim 1 wherein the portion of said arm of said mesh support member that passes through said aperture is attach to itself.
3. The system of claim 1 wherein at least one removable filament extends from the support member.
4. The system of claim 1 wherein the portion of the first soft tissue anchor proximal the shoulder comprises a proximal protrusion, the proximal protrusion having a cross-sectional shape complementary to a cross-sectional shape of a cavity of a delivery tool receiving the proximal protrusion, the cross-sectional shape of the proximal protrusion and the cross-sectional shape of the cavity formed such that rotation of the proximal protrusion within the cavity of the delivery tool is resisted.
5. The system of claim 1 further comprising an engagement member that resists a tension on said second arm of said mesh support member that passes through said aperture of said second soft tissue anchor.
6. The system of claim 5 wherein said engagement member is incorporated into an interior surface of said aperture.
7. The system of claim 5 wherein said engagement member comprises a ring through which said portion of said second arm of said mesh support member passes after said second arm of said mesh support member passes through said aperture of said second soft tissue anchor.
8. The system of claim 5 wherein said engagement member comprises a cover.
9. The system of claim 1 wherein at least one of said first and second soft tissue anchors is plastic.
10. The system of claim 1 wherein at least one of said first and second soft tissue anchors is formed of a shape memory material.
11. A system for supporting an anatomical structure comprising:
a mesh support member having a first arm and a second arm;
a first soft tissue anchor having a distal tip and a shoulder connected to one another by a shaft and a proximal guide protrusion extending from the shoulder on an opposite side of the shoulder as the shaft, the shaft extending directly through the first arm of the mesh support member, an interior of a fold of the first arm resting directly on the shoulder of the first soft tissue anchor and attached to itself;
a second soft tissue anchor comprising an aperture through which a portion of the second arm of the mesh support member passes; and
a delivery tool comprising:
a distal cavity having a cross-sectional shape complementary to a cross-sectional shape of the proximal guide protrusion of the first soft tissue anchor such that rotation of the proximal guide protrusion of the first soft tissue anchor within the distal cavity of the delivery tool is resisted; and
a slot penetrating radially through the shaft into the cavity and extending axially through the shaft to a point proximal of the cavity such that when the proximal guide protrusion of the first soft tissue anchor is received within the cavity, a suture loop that is attached solely to the guide protrusion of the first soft tissue anchor passes through a portion of the slot that extends axially through the shaft to a point proximal of the cavity.
12. The system of claim 11 further comprising an engagement member configured to resist a tension on the second arm of the support member that passes through the aperture.
13. The system of claim 12 wherein the engagement member comprises teeth.
14. A system for supporting an anatomical structure comprising:
a mesh support member having a first arm and a second arm;
a first soft tissue anchor having a distal tip, a shoulder, a shaft positioned longitudinally between the distal tip and the shoulder, and a proximal guide protrusion extending from the shoulder on an opposite side of the shoulder as the shaft, the shaft extending directly through the first arm of the mesh support member;
a suture loop passing through an eyelet and a first and second recess each extending longitudinally from each an opposite side of the eyelet to a proximal end of the guide protrusion of the first soft tissue anchor; and
a second soft tissue anchor comprising an aperture through which a portion of the second arm of the mesh support member passes.
15. The system of claim 14 further comprising an engagement member configured to resist a tension on the second arm of the support member that passes through the aperture of the second anchor.
16. The system of claim 15 wherein the engagement member comprises teeth.