3D Bioplotter Research Papers

Here, we report a newly designed knee plug to be used in the 3rd generation of Autologous Chondrocyte Implantation (ACI) in order to heal the damaged knee cartilage. It is composed of three components: The first component (Bone Portion) is a 3D printed hard scaffold with large pores (~ 850 µm), made by hydroxyapatite and β-tricalcium phosphate to accommodate the bony parts underneath the knee cartilage. It is a cylinder with a diameter of 20 mm and height of 7.5 mm, with a slight dome shape on top. The plug also comprises a Cartilage Portion (component 2) which is a 3D…

This paper introduces a kit of parts as a novel three‐dimensional (3D)–printed joint plug, in which each of the parts function cooperatively to treat cartilage damage in joints of the human body (e.g., hips, wrists, elbow, knee, and ankle). Three required and one optional parts are involved in this plug. The first part is a 3D‐printed hard scaffold (bone portion) to accommodate bone cells, and the second is a 3D‐printed soft scaffold (cartilage portion) overlying the bone portion to accommodate chondrocytes. The third part of joint plug is a permeable membrane, termed film, to cover the entire plug to provide…

Although biological membranes may look like a 2D assembly, they often have complex structures in their 3rd dimension. Using layer-by-layer assembly, 3D-printing can offer an advanced and unique approach for the fabrication of such models. However, printing of some widely used hydrogels, such as gelatin, encounters experimental difficulties due to their rheological properties. In this paper, we (a) discuss the complexities involved in printing gelatin, (b) offer a reproducible approach to overcome such difficulties, and (c) present the detailed design criteria and the production process of such 3D-printed gelatin membranes by exemplifying scaffolds suitable for growth of full-thickness oral mucosa…