US2005131548A1PendingUtilityA1
Demineralized bone-derived implants
Est. expiryFeb 28, 2021(expired)· nominal 20-yr term from priority
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Claims
Abstract
Selectively demineralized bone-derived implants are provided. In one embodiment, a bone sheet for implantation includes a demineralized field surrounding mineralized regions. In another embodiment, a bone defect filler includes a demineralized cancellous bone section in a first geometry. The first geometry is compressible and dryable to a second geometry smaller than the first geometry, and the second geometry is expandable and rehydratable to a third geometry larger than the second geometry.
Claims
exact text as granted — not AI-modified1 - 13 . (canceled)
14 . A sheet formed of bone comprising two or more strips of bone each having a bone grain orientation, wherein the bone grain orientation of at least one strip is disposed transverse to the grain orientation of another strip.
15 . The sheet according to claim 14 , wherein the strips are interwoven.
16 . The sheet according to claim 14 , wherein the strips are selected from at least one of the group consisting of mineralized bone, demineralized bone, and partially demineralized bone.
17 . The sheet according to claim 14 , wherein a portion of at least one strip is at least partially demineralized.
18 . The sheet according to claim 14 , wherein the strips are interwoven to form a plurality of generally parallel rows and a plurality of generally parallel columns.
19 . The sheet according to claim 14 , wherein the strips have a width between about 1 mm and about 6 mm.
20 . The sheet according to claim 19 , wherein the strips have a thickness of between about 0.5 mm and about 2 mm.
21 . The sheet according to claim 14 , wherein the strips have a width of about 5 mm and a thickness of about 1 mm.
22 . The sheet according to claim 14 , wherein the bone strips are unitary in construction.
23 . The sheet according to claim 14 , wherein at least one strip is formed by braiding two or more bone fibers.
24 . The sheet according to claim 14 , wherein each bone strip has a longitudinal axis and the bone grain orientation is substantially parallel thereto.Cited by (0)
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