IN-LINE TREATMENT OF YARN PRIOR TO CREATING A FABRIC
First Claim
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1. A method of forming an orthopedic implant for cartilage replacement from a first plurality of fibers and a second plurality of fibers, each of the first and second plurality of fibers having a surface, the method comprising the steps of:
- treating the surfaces of the first plurality of fibers to make the first plurality of fibers more hydrophilic than the second plurality of fibers; and
after the treating step, weaving together the first plurality of fibers to form a top layer of the orthopedic implant and weaving together the second plurality of fibers to form a bottom layer of the orthopedic implant that is coupled to the top layer of the orthopedic implant, the top layer defining an articulating surface of the orthopedic implant and the bottom layer defining a bone-contacting surface of the orthopedic implant.
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Abstract
A woven orthopedic implant for cartilage replacement having layered functionality and a method of forming the same. The woven orthopedic implant may include bottom layer of fibers that promotes anchoring to bone, and intermediate layer of fibers that promotes soft tissue attachment, and a top layer of fibers that promotes lubrication. The method may involve treating the surfaces of fibers before weaving the fibers together.
112 Citations
22 Claims
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1. A method of forming an orthopedic implant for cartilage replacement from a first plurality of fibers and a second plurality of fibers, each of the first and second plurality of fibers having a surface, the method comprising the steps of:
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treating the surfaces of the first plurality of fibers to make the first plurality of fibers more hydrophilic than the second plurality of fibers; and after the treating step, weaving together the first plurality of fibers to form a top layer of the orthopedic implant and weaving together the second plurality of fibers to form a bottom layer of the orthopedic implant that is coupled to the top layer of the orthopedic implant, the top layer defining an articulating surface of the orthopedic implant and the bottom layer defining a bone-contacting surface of the orthopedic implant. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method of forming an orthopedic implant for implantation into a cartilage defect site of a patient'"'"'s body, the cartilage defect site being surrounded by remaining bone and remaining cartilage, the method comprising the steps of:
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providing a first plurality of fibers and a second plurality of fibers, each of the first and second plurality of fibers having a surface; treating the surfaces of the first plurality of fibers to increase the hydrophilicity of the first plurality of fibers; after the treating step, weaving together the first plurality of fibers to form a top layer of the orthopedic implant and weaving together the second plurality of fibers to form a bottom layer of the orthopedic implant that is coupled to the top layer of the orthopedic implant, the orthopedic implant sized for implantation into the cartilage defect site with the bottom layer of the orthopedic implant positioned adjacent to the remaining bone and the top layer of the orthopedic implant positioned adjacent to the remaining cartilage. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. A woven orthopedic implant for cartilage replacement having an articulating surface and a bone-contacting surface opposite the articulating surface, the orthopedic implant comprising:
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a first plurality of fibers interwoven to form a top layer of the orthopedic implant, the top layer defining the articulating surface of the orthopedic implant, each of the first plurality of fibers having an exterior surface that is treated to promote articulation; a second plurality of fibers interwoven to form a bottom layer of the orthopedic implant, the bottom layer defining the bone-contacting surface of the orthopedic implant, each of the second plurality of fibers having an exterior surface that promotes bone attachment; and a third plurality of fibers interwoven to form an intermediate layer of the orthopedic implant coupled to both the top and bottom layers of the orthopedic implant, each of the third plurality of fibers having an exterior surface that promotes soft tissue attachment. - View Dependent Claims (19, 20, 21, 22)
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Specification