Adjustable tissue support member
A tissue support system including an implantable tissue support member is described. The tissue support member includes a tissue support portion, a first arm having a first end joined to a first end of the tissue support portion, a second arm having a first end joined to a second end of the tissue support portion, the second arm defining a lumen, a first tissue anchor fixed to a second end of the first arm, a second tissue anchor slidably positioned over the second arm, and a locking member disposed in the lumen of the second arm between the second tissue anchor and a second end of the second arm.
1. A tissue support system including an implantable tissue support member comprising:
a tissue support portion;
a first arm having a first end joined to a first end of the tissue support portion;
a second arm having a first end joined to a second end of the tissue support portion, the second arm defining a lumen, the second arm being formed from a tubular knit construction of a mesh material;
a first tissue anchor fixed to a second end of the first arm;
a second tissue anchor slidably positioned over the second arm; and
a locking member disposed in the lumen of the second arm between the second tissue anchor and a second end of the second arm.
2. The tissue support system according to claim 1 , wherein the second tissue anchor includes a head with a tissue penetrating tip and a base.
3. The tissue support system according to claim 2 , wherein the base includes an aperture through which the second arm is positioned.
4. The tissue support system according to claim 3 , wherein the aperture is normal to a longitudinal axis of the second tissue anchor.
5. The tissue support system according to claim 3 , wherein the aperture resists unconstrained movement of the second arm therethrough.
6. The tissue support system according to claim 1 , wherein the locking member is shaped to permit movement toward the second tissue anchor, but to resist movement away from the second tissue anchor.
7. The tissue support system according to claim 1 , further comprising a stylet for introduction into the lumen of the second arm, and for urging the locking member in the direction of the second tissue anchor.
8. The tissue support system according to claim 1 , further comprising an introducer needle capable of releasably securing the first and second tissue anchors.
9. The tissue support system according to claim 8 , wherein the introducer needle comprises a shaft and a handle.
10. The tissue support system according to claim 9 , wherein the shaft has a curved portion.
11. The tissue support system according to claim 10 , wherein the shaft has a substantially helical shape.
12. The tissue support system according to claim 9 , wherein the introducer needle comprises a collet at the distal end of the shaft.
13. The tissue support system according to claim 9 , wherein the handle comprises a manually operable mechanism for releasing the first and second tissue anchors from the distal end of the shaft.
14. The tissue support system according to claim 1 , wherein the tissue support portion comprises orientating indicia.
15. The tissue support system according to claim 14 , wherein the orientating indicia comprises a colored feature in the center of the tissue support portion.
16. The tissue support system according to claim 1 , wherein the first and second tissue anchors are shaped to penetrate tissue when urged in a first direction, and resist movement in a second direction opposite of the first direction.
17. The tissue support system according to claim 1 , wherein the tissue support portion, the first arm, and the second arm are formed from mesh.
18. The tissue support system according to claim 17 , wherein the tissue support portion is formed from a single layer of mesh.
19. The tissue support system according to claim 17 , wherein the tissue support portion, the first arm, and the second arm are constructed from a unitary tubular member.
20. A tissue support system including an implantable tissue support member comprising:
a tissue support portion;
a first arm having a first end joined to a first end of the tissue support portion;
a second arm having a first end joined to a second end of the tissue support portion, the second arm defining a lumen;
the tissue support portion, the first arm, and the second arm constructed from a unitary tubular mesh member;
a first tissue anchor fixed to a second end of the first arm;
a second tissue anchor slidably positioned over the second arm; and
a locking member disposed in the lumen of the second arm between the second tissue anchor and a second end of the second arm.