Cement products and methods of making and using the same
View Patent ↗Disclosed are cement products, methods of forming cement using the cement product, and methods of using the cement product in orthopedic and dental applications. Generally, the disclosed cement product includes a first component comprising a polymerizable resin comprising ethylenic unsaturated double bond, a second component comprising a compound comprising more than one type of amine selected from the group consisting of primary amines, secondary amines, tertiary amines and quaternary amines, and, optionally, the cement product includes a bioactive component to promote bone formation.
1. An injectable, orthopedic cement product comprising:
a first injectable component comprising a polymerizable resin that includes ethylenic unsaturated double bond;
a second injectable component comprising a polyalkyleneimine or a derivative thereof that includes more than one type of amine selected from the group consisting of a primary amine, a secondary amine, a tertiary amine, and a quaternary amine; and
a bioactive component filler,
wherein the first component and second component are each packaged in (i) a separate chamber of the same container or (ii) a separate container and wherein the first component and second component are capable of reacting with each other in a polymerization reaction and thereby form an injectable orthopedic cement.
2. The product of claim 1 , further comprising a third component that includes an oxygen-containing ring structure that is capable of reacting in a polymerization reaction with the first component, the second component, or both.
3. The product of claim 1 , wherein the polymerizable resin of the first component includes an oxygen-containing ring structure that is capable of reacting in a polymerization reaction with the second component.
4. The product of claim 1 , wherein the compound of the second component is polyalkyleneimine.
5. The product of claim 1 , further comprising a photoinitiator.
6. The product of claim 1 , wherein the resin includes a mono-functional, difunctional or multifunctional alkoxylated (meth)acrylate with either aromatic or aliphatic ether linkages.
7. The product of claim 1 , wherein the resin includes an epoxide.
8. The product of claim 1 , further comprising a filler with a surface active coupling group.
9. The product of claim 1 , wherein the resin and the compound of the second component are selected so that when reacted together in a polymerization reaction at room temperature, the reaction produces a maximum sustained temperature rise of less than 30° C. for one minute, according to method described in ASTM F 451-99.
10. The product of claim 1 , wherein the bioactive component comprises one or more material selected from the group consisting of bioactive glass ceramic, bioactive calcium phosphate ceramic, and combinations thereof.
11. The product of claim 1 , wherein the bioactive component comprises one or more material selected from the group consisting of nanocrystalline hydroxyapatite, nanocrystalline hydroxyapatite whiskers, nanocrystalline tricalcium phosphate, and combinations thereof.
12. The product of claim 1 , wherein the same container or the separate containers are adapted for injecting cement formed from the first and second component.
13. The product of claim 1 , wherein the first component and the second component have a ratio of acceptor hydrogen equivalents to donor hydrogen equivalents that is from about 0.5:1 to about 1:0.5.
14. The product of claim 1 , wherein the product lacks a photoinitiator.
15. The product of claim 1 , wherein the bioactive component represents from about 10 to about 95% by weight of total cement mix.
16. The product of claim 1 , wherein the bioactive component filler represents from about 65 to about 85% by weight of total cement mix.
17. A cement product, the product comprising:
a first component comprising a resin selected from the group consisting of bis(bisphenol A)-diglycidyl-di(meth)acrylate, an alkoxylated analogue of bis(bisphenol A)-diglycidyl-di(meth)acrylate, and combinations thereof; and
a second component comprising material selected from the group consisting of polyethyleneimine, polypropyleneimine, and derivatives thereof,
wherein the first component and the second component have a ratio of acceptor hydrogen equivalents to donor hydrogen equivalents that is from about 0.5:1 to about 1:0.5.
18. The product of claim 17 , further comprising a photoinitiator.
19. The product of claim 17 , further comprising a bioactive component suitable for promoting bone formation.
20. The product of claim 17 , further comprising a bioactive component that comprises a material selected from the group consisting of bioactive glass ceramic, bioactive calcium phosphate ceramic, and combinations thereof.
21. The product of claim 17 , further comprising a bioactive component that comprises a material selected from the group consisting of nanocrystalline hydroxyapatite, nanocrystalline hydroxyapatite whiskers, nanocrystalline tricalcium phosphate, and combinations thereof.
22. The product of claim 17 , wherein the first component and the second component are each packaged in (i) a separate chamber of the same container or (ii) a separate container.
23. The product of claim 17 , wherein the same container or the separate containers are adapted for injecting cement formed from the first and second component.
24. A method of forming an injectable, orthopedic cement, said method comprising:
injecting a first component comprising a biocompatible polymerizable resin that includes mono-, di-, and multi-ethylenic unsaturated double bond;
injecting a second component comprising a polyalkyleneimine or a derivative thereof that includes more than one type of amine selected from the group consisting of a primary amine, a secondary amine, a tertiary amine, and a quaternary amine;
injecting a bioactive component filler; and,
mixing the first component and second components together in a polymerization reaction to thereby form an orthopedic cement.
25. The method of claim 24 , said method further comprising
injecting a third component that includes an oxygen-containing ring structure; and
including the third component in the mixing and polymerization reaction.
26. The method of claim 24 , said method further comprising
injecting a photoinitiator; and
including the photoinitiator in the mixing of the first and second component.
27. The method of claim 24 , said method further comprising polymerizing the first and second components in a reaction produces a maximum sustained temperature rise of less than 30° C. for one minute, according to the method described in ASTM F 451-99.
28. The method of claim 24 , wherein the compound of the second component is polyalkyleneimine.
29. The method of claim 24 , wherein the resin includes a mono-, di-, and multifunctional alkoxylated (meth)acrylate with either aromatic or aliphatic ether linkages.
30. The method of claim 24 , wherein the resin includes an epoxide.
31. The method of claim 24 , wherein the resin includes a polymeric or inorganic filler with a surface active coupling group.
32. The method of claim 24 , wherein the resin includes a resin selected from the group consisting of bis(bisphenol A)-diglycidyl-di(meth)acrylate, an alkoxylated analogue of bis(bisphenol A)-diglycidyl-di(meth)acrylate, and combinations thereof.
33. The method of claim 32 , wherein the compound of the second component is polyethyleneimine, polypropyleneimine, or a derivative thereof.
34. The method of claim 24 , wherein the bioactive component comprises a material selected from the group consisting of bioactive glass ceramic, bioactive calcium phosphate ceramic, and combinations thereof.
35. The method of claim 24 , wherein the bioactive component comprises a material selected from the group consisting of nanocrystalline hydroxyapatite, nanocrystalline hydroxyapatite whiskers, nanocrystalline tricalcium phosphate, and combinations thereof.
36. A method of treating a patient in need of treatment for a bone defect, the method
forming cement according to the method of claim 24 ; and
delivering the cement to the defective bone in the patient as part of a procedure for repairing the bone defect.
37. The method of claim 36 , wherein the bone defect is selected from the group consisting of osteoporosis, osteogenesis, stress fracture, and traumatic fracture.
38. The method of claim 36 , wherein:
the patient is in need of treatment for a vertebral defect;
the procedure for repairing the defect is vertebroplasty or kyphoplasty; and
the cement is injected into the patient to stabilize the vertebra.