Intervertebral prosthetic disc
An intervertebral prosthetic disc is disclosed and can be installed within an intervertebral space between a first vertebra and a second vertebra. The intervertebral prosthetic disc can include a first component that can have a first compliant structure that can be configure to engage the first vertebra. Further, the first compliant structure can at least partially conform to a shape of the first vertebra. The intervertebral prosthetic disc can also include a second component that can be configured to engage the second vertebra.
1 . An intervertebral prosthetic disc to be installed within an intervertebral space between a first vertebra and a second vertebra, the intervertebral prosthetic disc comprising:
a first component having a first compliant structure configured to engage the first vertebra and at least partially conform to a shape of the first vertebra; and
a second component configured to engage the second vertebra.
2 . The intervertebral prosthetic disc of claim 1 , wherein the first compliant structure comprises a first fabric structure filled with an extended use biocompatible material.
3 . The intervertebral prosthetic disc of claim 2 , wherein the first fabric structure includes a plurality of adjacent cylindrical tubes.
4 . The intervertebral prosthetic disc of claim 3 , wherein the plurality of adjacent cylindrical tubes are interconnected to allow the extended use biocompatible material to flow there between.
5 . The intervertebral prosthetic disc of claim 4 , wherein the second component includes a second compliant structure configured to engage the second vertebra and as least partially conform to a shape of the second vertebra.
6 . The intervertebral prosthetic disc of claim 5 , wherein the second compliant structure comprises a second fabric structure filled with the extended use biocompatible material.
7 . The intervertebral prosthetic disc of claim 8 , wherein the second fabric structure includes a plurality of adjacent cylindrical tubes.
8 . The intervertebral prosthetic disc of claim 7 , wherein the plurality of adjacent cylindrical tubes are interconnected to the extended use biocompatible material to flow there between.
9 . The intervertebral prosthetic disc of claim 6 , wherein the first fabric structure, the second fabric structure, or a combination thereof comprises poly(L-lactide-co-D, L-lactide) (PLDLLA), polyglycolic acid (PGA), polylactic acid (PLA), collagen, polyethyleneterephthalate (PET), woven titanium, polyetheretherketone (PEEK), carbon, ultra high molecular weight polyethylene (UHMWPE), or a combination thereof.
10 . The intervertebral prosthetic disc of claim 6 , wherein the extended use biocompatible material is a synthetic polymer, a natural polymer, a bioactive ceramic, carbon nanofibers, or a combination thereof.
11 . The intervertebral prosthetic disc of claim 10 , wherein the synthetic polymer is a polyurethane material, a polyolefin material, a polyether material, a polyester material, a polycarbonate material, a silicone material, a hydrogel material, or a combination thereof.
12 . The intervertebral prosthetic disc of claim 11 , wherein the polyolefin material is polypropylene, polyethylene, halogenated polyolefin, flouropolyolefin, or a combination thereof.
13 . The intervertebral prosthetic disc of claim 11 , wherein the polyether material is polyetherketone (PEK), polyetheretherketone (PEEK), polyetherketoneketone (PEKK), polyaryletherketone (PAEK), or a combination thereof.
14 . The intervertebral prosthetic disc of claim 11 , wherein the polyester material is polylactide.
15 . The intervertebral prosthetic disc of claim 11 , wherein the polycarbonate material is tyrosine polycarbonate.
16 . The intervertebral prosthetic disc of claim 10 , wherein the natural polymer is collagen, gelatin, fibrin, keratin, chitosan, chitin, hyaluronic acid, albumin, silk, elastin, or a combination thereof.
17 . The intervertebral prosthetic disc of claim 10 , wherein the bioactive ceramic is hydroxyapatite (HA), hydroxyapatite tricalcium phosphate (HATCP), calcium phosphate, calcium sulfate, or a combination thereof.
18 . The intervertebral prosthetic disc of claim 5 , wherein the first compliant structure, the second compliant structure, or a combination thereof includes a biological factor to promote bone growth.
19 . The intervertebral prosthetic disc of claim 18 , wherein the biological factor is a bone morphogenetic protein (BMP), a cartilage-derived morphogenetic protein (CDMP), a platelet derived growth factor (PDGF), an insulin-like growth factor (IGF), a LIM mineralization protein, a fibroblast growth factor (FGF), an osteoblast growth factor, stem cells, or a combination thereof.
20 . The intervertebral prosthetic disc of claim 19 , wherein the stem cells include bone marrow derived stem cells, lipo derived stem cells, or a combination thereof.
21 . The intervertebral prosthetic disc of claim 1 , further comprising a first tooth extending from the first component.
22 . The intervertebral prosthetic disc of claim 21 , wherein the first tooth is configured to at least partially protrude through the first compliant structure and engage the first vertebra.
23 . The intervertebral prosthetic disc of claim 5 , further comprising a second tooth extending from the second component.
24 . The intervertebral prosthetic disc of claim 23 , wherein the second tooth is configured to at least partially extend through the second compliant structure and engage the second vertebra.
25 . An intervertebral prosthetic disc to be installed within an intervertebral space between an inferior vertebra and a superior vertebra, the intervertebral prosthetic disc comprising:
an inferior support plate having an inferior compliant structure attached thereto, wherein the inferior compliant structure is configured to conform to the inferior vertebra; and
a superior support plate having a superior compliant structure attached thereto, wherein the superior compliant structure is configured to conform to the superior vertebra.
26 .- 32 . (canceled)
33 . An intervertebral prosthetic disc to be installed within an intervertebral space between an inferior vertebra and a superior vertebra, the intervertebral prosthetic disc comprising:
a superior component, the superior component comprising:
a superior support plate; and
a superior compliant structure affixed to the superior bearing surface;
an inferior component, the inferior component comprising:
an inferior support plate; and
an inferior compliant structure affixed to the inferior bearing surface; and
a nucleus disposed between the superior component and the inferior component, wherein the nucleus is configured to allow relative motion between the superior component and the inferior component.
34 .- 41 . (canceled)