Method and apparatus for forming porous metal implants
First Claim
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1. A moldable mixture for making a porous metal implant, comprising:
- a. a biocompatible metal powder;
b. a spacing agent having a sublimation or decomposition temperature; and
c. a volatile non-polar liquid binder having a boiling point;
wherein the spacing agent is substantially insoluble in the non-polar liquid binder, andwherein the difference between the sublimation or decomposition temperature of the spacing agent and the boiling point of the binder is less than 200°
C.
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Abstract
A method for providing a porous metal implant. A mixture of a biocompatible metal, a spacing agent, and a binder is provided. The mixture is formed into a shaped the spacing agent is removed to form a plurality of pores in the implant. A shaped porous metal implant is also provided.
88 Citations
12 Claims
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1. A moldable mixture for making a porous metal implant, comprising:
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a. a biocompatible metal powder; b. a spacing agent having a sublimation or decomposition temperature; and c. a volatile non-polar liquid binder having a boiling point; wherein the spacing agent is substantially insoluble in the non-polar liquid binder, and wherein the difference between the sublimation or decomposition temperature of the spacing agent and the boiling point of the binder is less than 200°
C. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification