Dutch researchers build cartilage with 3D printer




A group of scientists from the University Medical Center Utrecht, together with international colleagues developed a way to make cartilage with a 3D printer. Cartilage is difficult to make because it must be both rigid and flexible.

The method for building cartilage online by the Technical University of Munich put . It works with a 3D printer and a technique called electrospinning melt. This is provided while allowing cells to grow within a framework of artificial material, the whole still retains its rigidity. Both of which properties are required for the production of cartilage.

With the 3D-printing technique are fibers made with small little hole, in which cells can nestle. The whole must then grow into a structure that is similar to human cartilage. Experiments show that the stiffness is 54 times better than with the use of only a framework of artificial material. This is partly because the built cells mutually-bonded to each other. In addition, individual fibers can be made thinner than 20 times with conventional techniques, with a diameter of 5 micrometers.

There are many potential applications for the printed fabric. Thus, it is possible to use, for example, when a breast correction. Also, in the construction of heart valves would be the tissue may be used. When it can be used in the practice it is not known, since there are still many tests are necessary.


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