Triple lumen Bio-Printer head
by siderits, published
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Remember this is just a prototype so its ok to FPL (fling poo later) when it fails. Until then its just fun and interesting to test the limits of this new technology and look at some innovative designs. For example, objects for this project can't be injection molded or CNC milled (using conventional single process techniques) so additive manufacture seems perfect.
The attached files are various test prints to see if I can make parts for a Bio-Printer using the Form1. The parts are supposed to fit and adapt standard laboratory devices like syringes and Butterfly needles to the channels in the Bio-Print head. Turns out its easy, fast and accurate. Am considereing coating the inner channels with a lipid.
These particular parts are for a prototype Bio-Printer with double and triple lumen feed heads. There are connectors for pipettes, syringes and tubing.
They'll be attached to a simple Laser cut gantry controlled by EASYCNC-EZ DIY controller and MACH3 CAM software.
It's easy to create simple 3D shapes in a standard CAD program (I use trueSpace) and generate the G-Code in DeskProto to control the movements of the Bio-print head.
May I'll have a second program like LABVIEW control three 3D-printed syringe pumps or at least one solenoid valve with a Phidget SSR board. It might even be poosible to have the print head movement trigger the syrynge pumps separately.
I may want to do a mini-TopPrint with a cutter head doing a rough cut shape in a substance and then swap in the bio-print head and run a "Fine-cut" protocol to distribute the cells on a contoured surface.
Will first try small scale print maybe with Poppy seeds and some grow-matrix and then maybe cells from short term cell culture with two cell types and some collagen (or albumin) or possibly sterilized fungal matrix. Simple 3D printed tissue may be possbile to use for various types of testing. Seems like I can easily make the channels 100 microns and I can add an inner mixing chamber if needed. I'll add a side viewport for a camera as well.
Triple lumen Bio-Printer head by siderits is licensed under the Creative Commons - Attribution license.
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