Method and apparatus for coupling soft tissue to a bone
First Claim
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1. A method for placing an ACL in a femoral tunnel formed in a femur in a patient, the method comprising:
- delivering a fixation member through a femoral tunnel to a location outside the femur proximate a first opening in an outer surface of the femur, wherein a suture coupled to the fixation member includes a first free end that passes through the fixation member and through a first longitudinal passage in the suture to form a first adjustable loop that extends back through the femoral tunnel alongside a segment of the first free end of the suture with a portion of the first adjustable loop additionally extending outside the femoral tunnel through a second opening in the outer surface of the femur and into a tibial tunnel, and wherein the suture includes a second free end that passes through the fixation member and through a second longitudinal passage in the suture to form a second adjustable loop that extends back through the femoral tunnel alongside a segment of the second free end of the suture with a portion of the second adjustable loop additionally extending outside the femoral tunnel through the second opening in the outer surface of the femur and into the tibial tunnel, the first longitudinal passage separate from the second longitudinal passage in the suture;
coupling a leading end of an ACL to the first adjustable loop and the second adjustable loop outside the femoral tunnel; and
pulling on the first free end and the second free end of the suture so as to;
advance the segment of the first free end and the segment of the second free end through the femoral tunnel in a direction toward the second opening in the outer surface of the femur, force the fixation member against bone around the first opening in the outer surface of the femur, reduce the size of the first adjustable loop and the size of the second adjustable loop, and pull the leading end of the ACL into the femoral tunnel through the second opening in the outer surface of the femur.
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Abstract
A method and apparatus for coupling a soft tissue implant into a locking cavity formed within a bone is disclosed. The apparatus includes a member to pull the soft tissue implant into a femoral tunnel. The member includes a suture having first and second ends which are passed through first and second openings associated with the longitudinal passage to form a pair of loops. A collapsible tube is positioned about the suture. Application of tension onto the suture construction causes retraction of the soft tissue implant into the femoral tunnel and the collapse of the tube to form an anchor.
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Citations
25 Claims
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1. A method for placing an ACL in a femoral tunnel formed in a femur in a patient, the method comprising:
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delivering a fixation member through a femoral tunnel to a location outside the femur proximate a first opening in an outer surface of the femur, wherein a suture coupled to the fixation member includes a first free end that passes through the fixation member and through a first longitudinal passage in the suture to form a first adjustable loop that extends back through the femoral tunnel alongside a segment of the first free end of the suture with a portion of the first adjustable loop additionally extending outside the femoral tunnel through a second opening in the outer surface of the femur and into a tibial tunnel, and wherein the suture includes a second free end that passes through the fixation member and through a second longitudinal passage in the suture to form a second adjustable loop that extends back through the femoral tunnel alongside a segment of the second free end of the suture with a portion of the second adjustable loop additionally extending outside the femoral tunnel through the second opening in the outer surface of the femur and into the tibial tunnel, the first longitudinal passage separate from the second longitudinal passage in the suture; coupling a leading end of an ACL to the first adjustable loop and the second adjustable loop outside the femoral tunnel; and pulling on the first free end and the second free end of the suture so as to;
advance the segment of the first free end and the segment of the second free end through the femoral tunnel in a direction toward the second opening in the outer surface of the femur, force the fixation member against bone around the first opening in the outer surface of the femur, reduce the size of the first adjustable loop and the size of the second adjustable loop, and pull the leading end of the ACL into the femoral tunnel through the second opening in the outer surface of the femur. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for placing an ACL in a tibial tunnel formed in a tibia and a femoral tunnel formed in a femur in a patient, the method comprising:
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locating a fixation member outside the femur proximate a first opening in an outer surface of the femur, the first opening in the outer surface of the femur providing access to a femoral tunnel that extends through a portion of the femur to a second opening in the outer surface of the femur, the second opening in the outer surface of the femur proximate a first opening in an outer surface of the tibia, wherein a first adjustable loop and a second adjustable loop of a suture coupled to the fixation member extend back through the femoral tunnel with a portion of the first adjustable loop and a portion of the second adjustable loop additionally extending;
through the second opening in the outer surface of the femur, through the first opening in the outer surface of the tibia, and through a portion of the tibia, via the tibial tunnel, toward a second opening in the outer surface of the tibia, the first adjustable loop and the second adjustable loop coupled to a leading end of an ACL in the tibial tunnel, the suture also including a first free end with a suture segment that extends back through the femoral tunnel alongside the first adjustable loop and a second free end with a suture segment that extends back through the femoral tunnel alongside the second adjustable loop, wherein formation of the first adjustable loop includes passing the first free end of the suture through a first longitudinal passage in the suture and formation of the second adjustable loop includes passing the second free end of the suture through a second longitudinal passage in the suture, the first longitudinal passage separate from the second longitudinal passage in the suture; andpulling on the first free end and the second free end of the suture, wherein said pulling;
advances the suture segment of the first free end and the suture segment of the second free end through the femoral tunnel in a direction toward the second opening in the outer surface of the femur, reduces the size of the first adjustable loop and the size of the second adjustable loop, pulls the leading end of the ACL out of the tibial tunnel through the first opening in the outer surface of the tibia, and pulls the leading end of the ACL into the femoral tunnel through the second opening in the outer surface of the femur. - View Dependent Claims (14, 15, 16, 17)
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18. A method for placing an ACL in a tibial tunnel formed in a tibia and a femoral tunnel formed in a femur in a patient, the femoral tunnel including a first opening and a second opening in an outer surface of the femur, the tibial tunnel including a first opening and a second opening in an outer surface of the tibia, the second opening in the outer surface of the femur proximate the first opening in the outer surface of the tibia, the method comprising:
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delivering a fixation member through the femoral tunnel to a location outside the femur proximate the first opening in the outer surface of the femur, wherein a suture coupled to the fixation member includes a first free end that passes through the fixation member and through a first longitudinal passage in the suture to form a first adjustable loop that extends back through the femoral tunnel alongside a segment of the first free end of the suture, the suture also including a second free end that passes through the fixation member and through a second longitudinal passage in the suture to form a second adjustable loop that extends back through the femoral tunnel alongside a segment of the second free end of the suture, the first longitudinal passage separate from the second longitudinal passage in the suture, the first adjustable loop and the second adjustable loop further extending;
out of the femoral tunnel through the second opening in the outer surface of the femur, into the tibial tunnel through the first opening in the outer surface of the tibia, and out of the tibial tunnel through the second opening in the outer surface of the tibia;coupling a leading end of an ACL to a portion of the first adjustable loop and a portion of the second adjustable loop that are protruding from the second opening in the outer surface of the tibia; and pulling on the first free end and the second free end of the suture so as to;
advance the segment of the first free end and the segment of the second free end through the femoral tunnel in a direction toward the second opening in the outer surface of the femur, force the fixation member against bone around the first opening in the outer surface of the femur, reduce the size of the first adjustable loop and the size of the second adjustable loop, pull the leading end of the ACL into the tibial tunnel through the second opening in the outer surface of the tibia, pull the leading end of the ACL out of the tibial tunnel through the first opening in the outer surface of the tibia, and pull the leading end of the ACL into the femoral tunnel through the second opening in the outer surface of the femur. - View Dependent Claims (19, 20, 21)
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22. A method for placing an ACL in a femoral tunnel formed in a femur in a patient, the method comprising:
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delivering a fixation member through a femoral tunnel to a location outside the femur proximate a first opening in an outer surface of the femur, wherein a suture coupled to the fixation member includes a free end that passes through a portion of the fixation member and through a longitudinal passage in the suture to form an adjustable loop that extends back through the femoral tunnel alongside a segment of the free end of the suture, a portion of the adjustable loop additionally extending outside the femoral tunnel through a second opening in the outer surface of the femur and into a tibial tunnel; coupling a leading end of an ACL to the adjustable loop outside the femoral tunnel; and pulling on the free end of the suture so as to;
advance the free end segment through the femoral tunnel in a direction toward the second opening in the outer surface of the femur, force the fixation member against bone around the first opening in the outer surface of the femur, reduce the size of the adjustable loop, and pull the leading end of the ACL into the femoral tunnel through the second opening in the outer surface of the femur, wherein the longitudinal passage in the suture maintains positioning relative to the fixation member during said pulling on the free end of the suture. - View Dependent Claims (23)
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24. A method for placing an ACL in a tibial tunnel formed in a tibia and a femoral tunnel formed in a femur in a patient, the method comprising:
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locating a fixation member outside the femur proximate a first opening in an outer surface of the femur, the first opening in the outer surface of the femur providing access to a femoral tunnel that extends through a portion of the femur to a second opening in the outer surface of the femur, the second opening in the outer surface of the femur proximate a first opening in an outer surface of the tibia, wherein an adjustable loop of a suture coupled to the fixation member extends back through the femoral tunnel with a portion of the adjustable loop additionally extending;
through the second opening in the outer surface of the femur, through the first opening in the outer surface of the tibia, and through a portion of the tibia, via the tibial tunnel, toward a second opening in the outer surface of the tibia, the adjustable loop coupled to a leading end of an ACL in the tibial tunnel, the suture also including a free end with a suture segment that extends back through the femoral tunnel alongside the adjustable loop, wherein formation of the adjustable loop includes passing the free end of the suture through a longitudinal passage in the suture; andpulling on the free end of the suture, wherein said pulling;
advances the suture segment through the femoral tunnel in a direction toward the second opening in the outer surface of the femur, reduces the size of the adjustable loop, pulls the leading end of the ACL out of the tibial tunnel through the first opening in the outer surface of the tibia, and pulls the leading end of the ACL into the femoral tunnel through the second opening in the outer surface of the femur, wherein the longitudinal passage in the suture maintains positioning relative to the fixation member during said pulling on the free end of the suture.
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25. A method for placing an ACL in a tibial tunnel formed in a tibia and a femoral tunnel formed in a femur in a patient, the femoral tunnel including a first opening and a second opening in an outer surface of the femur, the tibial tunnel including a first opening and a second opening in an outer surface of the tibia, the second opening in the outer surface of the femur proximate the first opening in the outer surface of the tibia, the method comprising:
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delivering a fixation member through the femoral tunnel to a location outside the femur proximate the first opening in the outer surface of the femur, wherein a suture coupled to the fixation member includes a free end that passes through a portion of the fixation member and through a longitudinal passage in the suture to form an adjustable loop that extends back through the femoral tunnel alongside a segment of the free end, the adjustable loop further extending;
out of the femoral tunnel through the second opening in the outer surface of the femur, into the tibial tunnel through the first opening in the outer surface of the tibia, and out of the tibial tunnel through the second opening in the outer surface of the tibia;coupling a leading end of an ACL to a portion of the adjustable loop that is protruding from the second opening in the outer surface of the tibia; and pulling on the free end of the suture so as to;
advance the free end segment through the femoral tunnel in a direction toward the second opening in the outer surface of the femur, force the fixation member against bone around the first opening in the outer surface of the femur, reduce the size of the adjustable loop, pull the leading end of the ACL into the tibial tunnel through the second opening in the outer surface of the tibia, pull the leading end of the ACL out of the tibial tunnel through the first opening in the outer surface of the tibia, and pull the leading end of the ACL into the femoral tunnel through the second opening in the outer surface of the femur, wherein the longitudinal passage in the suture maintains positioning relative to the fixation member during said pulling on the free end of the suture.
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Specification