Biopolymer foams for use in tissue repair and reconstruction
First Claim
Patent Images
1. A composite biopolymer foam comprising:
- a double density biopolymer foam comprising a network of communicating microcompartments having biopolymer molecules and/or biopolymer filaments interspersed within the walls of the microcompartments, wherein the microcompartments;
have dimensions of length, width, and height, wherein two of the volume dimensions are substantially equal and the third is decreased by a factor of at least about ten compared to the other volume dimensions and range from about 1 μ
m to about 300 μ
m, and have an average wall thickness of less than about 10 μ
m; and
a second biopolymer in the form of a fiber-based reinforcing material or a foam.
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Abstract
Single and double density biopolymer foams, composite biopolymer foams including both single and double density foams, and methods of preparing these foams and composite foams are described. Also described are biocompatible constructs which include single or double density biopolymer foams and extracellular matrix particulates and methods of preparing these constructs. The foams, composite foams, and biocompatible constructs of the invention can be used in tissue repair and reconstruction.
1198 Citations
40 Claims
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1. A composite biopolymer foam comprising:
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a double density biopolymer foam comprising a network of communicating microcompartments having biopolymer molecules and/or biopolymer filaments interspersed within the walls of the microcompartments, wherein the microcompartments; have dimensions of length, width, and height, wherein two of the volume dimensions are substantially equal and the third is decreased by a factor of at least about ten compared to the other volume dimensions and range from about 1 μ
m to about 300 μ
m, and have an average wall thickness of less than about 10 μ
m; anda second biopolymer in the form of a fiber-based reinforcing material or a foam. - 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, 38, 39, 40)
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Specification