Rotating locking member suture anchor and method for soft tissue repair
First Claim
1. A suture anchor apparatus for anchoring a length of suture with respect to a target tissue, comprising:
- an anchor body comprising an anchoring structure for fixing the anchor body with respect to the target tissue, the anchor body further comprising an internal lumen;
a suture locking member disposed at least partially within the internal lumen and wherein a portion of the length of suture is looped around the suture locking member such that a first limb and a second limb of suture exit the lumen; and
wherein the suture locking member comprises a torque arm having a torque arm perpendicular extension and a locking arm having a locking arm perpendicular extension; and
wherein a first tension on the first limb of suture is applied to the torque arm and a second tension on the second limb of suture is applied to the locking arm, and wherein the second tension allows the length of suture to slide around the suture locking member until the first tension is sufficient to move the suture locking member such that the length of suture is compressed between the locking arm and the anchor body and wherein the torque arm perpendicular extension is larger than the locking arm perpendicular extension.
1 Assignment
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Accused Products
Abstract
A suture anchor apparatus and method for anchoring a length of suture with respect to a target tissue has an anchor body with an anchoring structure for fixing the anchor body within the target tissue and a suture locking member. The moveable suture locking member is disposed at least partially within an anchor body lumen while a portion of the length of suture is looped around the suture locking member such that a first and second limb of suture exits the lumen. A suture locking member includes at least two elongate arms, and each arm has an extension dimension respectively, such that the first arm extension dimension is substantially greater than the second arm extension dimension.
398 Citations
30 Claims
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1. A suture anchor apparatus for anchoring a length of suture with respect to a target tissue, comprising:
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an anchor body comprising an anchoring structure for fixing the anchor body with respect to the target tissue, the anchor body further comprising an internal lumen; a suture locking member disposed at least partially within the internal lumen and wherein a portion of the length of suture is looped around the suture locking member such that a first limb and a second limb of suture exit the lumen; and wherein the suture locking member comprises a torque arm having a torque arm perpendicular extension and a locking arm having a locking arm perpendicular extension; and wherein a first tension on the first limb of suture is applied to the torque arm and a second tension on the second limb of suture is applied to the locking arm, and wherein the second tension allows the length of suture to slide around the suture locking member until the first tension is sufficient to move the suture locking member such that the length of suture is compressed between the locking arm and the anchor body and wherein the torque arm perpendicular extension is larger than the locking arm perpendicular extension. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A knotless suture anchor apparatus for fixing a length of suture with respect to a target tissue, comprising:
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an anchor body having an anchoring structure for fixing the anchor body within the target tissue, and wherein the anchor body comprises an elongate axis and a proximal end with an opening configured for receiving a first portion of suture, the first portion of suture extending distally and around a suture locking member located within said opening, such that a second portion of suture then returns proximally through said opening; and wherein the suture locking member comprises a first arm and a second arm, wherein said first portion of suture is disposed such that a first tension on the first portion of the suture applies a first torque to the first arm and moves the suture locking member from an open position where the length of suture may freely slide around the suture locking member, to a locked position where the length of suture is locked between the second arm and the anchor body, and wherein the first arm extends further in a perpendicular direction relative to the elongate axis than the second arm in both the open and locked positions. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
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24. A method for securing tissue with a suture anchor device, comprising:
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manipulating a portion of a length of suture and a suture locking member such that a first length of suture extends into a lumen of the suture anchor device, around the suture locking member, and such that a second length of suture exits the lumen proximal end, and wherein said suture locking member comprises an axis and at least an elongate torque arm and an elongate locking arm;
wherein the elongate torque arm is longer than the elongate locking arm; and
wherein a first tension applied to the first length of suture is transferred to the elongate torque arm and wherein a second tension applied by the second length of suture is transferred to the elongate locking arm;inserting said suture anchor device into a portion of tissue; applying the second tension to the second length of suture such that the length of suture slides freely around the suture locking member until the second tension approximates the first tension; and releasing the second tension to the second length of suture whereby the first tension on the first length of suture moves the suture locking member so as to secure the second length of suture between the elongate locking arm and the lumen. - View Dependent Claims (25, 26, 27, 28, 29, 30)
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Specification