POROUS COMPOSITE BIOMATERIALS AND RELATED METHODS
First Claim
Patent Images
1. A porous composite material, comprising:
- a thermoplastic polymer forming a porous matrix having continuous porosity and a plurality of pores, wherein the porosity and the size of the pores are selectively formed during synthesis of the composite material;
a plurality of anisometric calcium phosphate particles integrally formed, embedded in, or exposed on a surface of the porous matrix, wherein the calcium phosphate particles provide one or more of reinforcement, bioactivity, or bioresorption.
2 Assignments
0 Petitions
Accused Products
Abstract
Synthetic composite materials for use, for example, as orthopedic implants are described herein. In one example, a composite material for use as a scaffold includes a thermoplastic polymer forming a porous matrix that has continuous porosity and a plurality of pores. The porosity and the size of the pores are selectively formed during synthesis of the composite material. The example composite material also includes a plurality of a anisometric calcium phosphate particles integrally formed, embedded in, or exposed on a surface of the porous matrix. The calcium phosphate particles provide one or more of reinforcement, bioactivity, or bioresorption.
178 Citations
35 Claims
-
1. A porous composite material, comprising:
-
a thermoplastic polymer forming a porous matrix having continuous porosity and a plurality of pores, wherein the porosity and the size of the pores are selectively formed during synthesis of the composite material; a plurality of anisometric calcium phosphate particles integrally formed, embedded in, or exposed on a surface of the porous matrix, wherein the calcium phosphate particles provide one or more of reinforcement, bioactivity, or bioresorption. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
-
-
21. A method of forming an porous composite material, the method comprising:
-
providing a thermoplastic polymer powder and anisometric calcium phosphate particles; mixing the polymer powder and the calcium phosphate particles with a fluid; selectively varying the porosity and/or the pore size; consolidating and drying the mixture; deforming or densifying the mixture under uniaxial compression to form the porous composite; and leaching a material from the porous composite. - View Dependent Claims (22, 23, 24, 25, 26, 27)
-
-
28. An implantable orthopedic device, comprising:
a porous body, wherein the body comprises a thermoplastic polymer forming a porous matrix having continuous porosity and a plurality of pores, wherein the porosity and the size of the pores are selectively formed during synthesis of the composite material, and a plurality of a anisometric calcium phosphate particles integrally formed, embedded in, or exposed on a surface of the porous matrix, wherein the calcium phosphate particles provide one or more of reinforcement, bioactivity, or bioresorption. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35)
Specification