Bioactive thermogelling polymer systems and methods of their use
First Claim
Patent Images
1. A hydrogel comprising:
- poly(N-alkylacrylamide),poly(alkyleneglycol)di-acrylate or poly(alkyleneglycol)di-methacrylate,cross-linking agent,a source of calcium ions, andwater.
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Abstract
Hydrogels comprising poly(N-alkylacrylamide), poly(alkyleneglyco)di-acrylate or methacrylate, cross-linking agent, a source of calcium ions, and water are described, as well as methods of their preparation and use.
5 Citations
85 Claims
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1. A hydrogel comprising:
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poly(N-alkylacrylamide), poly(alkyleneglycol)di-acrylate or poly(alkyleneglycol)di-methacrylate, cross-linking agent, a source of calcium ions, and water. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
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38. A method of preparing a hydrogel comprising:
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(a) providing a mixture of N-alkylacrylamide and poly(alkyleneglycol)di-acrylate or poly(alkyleneglycol)di-methacrylate in a solvent to form a first mixture; (b) adding a cross-linking agent, a source of calcium ions, and an initiator to the first mixture to form a second mixture; (c) polymerizing the second mixture for a time and at a temperature sufficient to cause polymerization to form a polymer; (d) drying the polymer; (e) pulverizing the polymer to form a powder; and (f) adding water to the powder. - View Dependent Claims (39, 40, 41, 42, 43, 44, 45, 46)
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47. A method of repairing a vertebral fracture comprising injecting into the vicinity of the fracture a hydrogel comprising:
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poly(N-alkylacrylamide), poly(alkyleneglycol)di-acrylate or poly(alkyleneglycol)di-methacrylate, cross-linking agent, a source of calcium ions, and water. - View Dependent Claims (48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59)
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60. A method of reinforcing a vertebral bone structure comprising injecting into the vicinity of the bone structure a hydrogel comprising:
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poly(N-alkylacrylamide), poly(alkyleneglycol)di-acrylate or poly(alkyleneglycol)di-methacrylate, cross-linking agent, a source of calcium ions, and water. - View Dependent Claims (61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72)
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73. A method of resurfacing an articulating joint comprising providing to the joint a hydrogel comprising:
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poly(N-alkylacrylamide), poly(alkyleneglycol)di-acrylate or poly(alkyleneglycol)di-methacrylate, cross-linking agent, a source of calcium ions, and water. - View Dependent Claims (74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85)
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Specification