Vascularized organoids are 3D printed constructs of human tissues that include functional blood vessel networks. These structures mimic the complexity and functionality of real organs at a smaller scale.
Current limitations in drug testing and medical research include the lack of accurate models that can replicate the complexity of human organs. Vascularized organoids offer a more realistic environment for studying organ function and disease progression.
The process involves using sacrificial ink to create micro-channels within the construct, which is then washed away to leave behind open channels for vascularization. Cells are seeded into these channels and surrounding matrix, where they self-organize to form functional blood vessels and tissue structures.
Manufacturing involves precise 3D printing techniques, cell culture methods, and biochemical processes to ensure the viability and functionality of the constructed tissue.
1. Design and print scaffold using sacrificial ink. 2. Wash away the sacrificial material to create open channels. 3. Seed cells into the remaining structure. 4. Culture cells to form functional blood vessels and tissues.
Field units draw low hundreds of watts; fabrication is energy-intensive due to vacuum baking and complex 3D printing processes.
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