Hydrogel constructs using stereolithography
First Claim
1. A method of fabricating a hydrogel construct comprising:
- solidifying a first solution into a first hydrogel construct layer with a first energy dosage using stereolithography, the first solution comprising;
a first hydrogel polymer having a first polymer concentration; and
a first photoinitiator having a first photoinitiator concentration;
where the first polymer concentration, first photoinitiator concentration, and first energy dosage are configured such that the cure depth of the first solution is less than or equal to two millimeters; and
forming a second hydrogel construct layer using stereolithography.
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Abstract
A preferred embodiment of the present invention provides a method and system for building cost-efficient biocompatible hydrogel constructs using stereolithography. Hydrogel constructs may be used in, for example, multi-lumen nerve regeneration conduits and other tissue engineering scaffolds with embedded channel architecture that facilitate tissue regeneration through possible incorporation of precisely located bioactive agents, cells, and other desired inert and/or active chemical agents and devices. Another preferred embodiment of the present invention provides a method of fabricating a hydrogel construct comprising: solidifying a first solution into a first construct layer with a first energy dosage using stereolithography, the first solution comprising: a first polymer; and a first photoinitiator, wherein the first polymer and first photoinitiator are of a first concentration.
62 Citations
25 Claims
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1. A method of fabricating a hydrogel construct comprising:
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solidifying a first solution into a first hydrogel construct layer with a first energy dosage using stereolithography, the first solution comprising; a first hydrogel polymer having a first polymer concentration; and a first photoinitiator having a first photoinitiator concentration; where the first polymer concentration, first photoinitiator concentration, and first energy dosage are configured such that the cure depth of the first solution is less than or equal to two millimeters; and forming a second hydrogel construct layer using stereolithography. - 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)
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Specification