I am designing a knee simulation focusing on the meniscus. I want to add different material layers to the meniscus. I have tried to add composite layup to the menisci in a uniform way but the shape is complex and I don't know how to do this.
Be sure you’re working with material(s) that are compatible with our body.
Also, be sure that what ever shape you have can be placed in the body as is and not trimmed to fit each person. Surgeons don’t like the tiny pieces left from trimming.
I’d suggest a textile composite. A mesh like layer. Either a knitted, braided or non-woven structure for the matrix. And, as a guess, an elastomeric polymer . Both easily will conform to the shape. Both tend to easily yield to stretching and return to original shape. A benefit when adding it to your shape.
So the edges remain smooth you’ll need to insure the polymer completely encapsulates the textile material and the shape you show here. Assume a mold will need to be made.
However, all the fitting of a composite to your existing shape adds to less consistent product. I’d suggest adding the textile/fibrous material when your initial shape is being made. If that’s possible you’ll increase the consistency of the product. Also, in this example, I’d prefer a non-woven material. Also a mesh but fully integrated with the shape vs an add on layer.
L.A.C.
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