3D Printing Human Hearts
Breakthrough Bioprinting Method
Big Step Toward Printing Functioning, Adult Human Heart
A breakthrough in 3d bioprinting has brought the world closer to printing fully functional human hearts. The invention comes from researchers at Carnegie Mellon University in Pittsburgh. It involves both a new technique and an additional substance. This is important medical innovation because millions of people worldwide are in need of a new heart. Today, in the US, 4000 patients are on a list for a heart transplant.
New Technique and Substance
The new technique is called FRESH or Freeform Reversible Embedding of Suspended Hydrogels. It remedies the problem of liquid collagen, which is the major structural protein in the human body, puddling in the air as its goes through 3D printing to create a heart. The scientists have successfully used hydrogel as temporary support for the layers of liquid collagen as they are printed. After the printing is done, the hydrogel is removed without any damage to the structure.
Results
The team just published their findings in the journal Science. They say they've shown that they can print pieces of the heart out of cells and collagen into parts that fully function like a heart valve and the ventricle. And by using MRI data of an individual human heart, they can precisely print the structure for the individual patient's specific anatomical needs. For a free Kindle borrow of my book "List of Top New Medical Innovations", go to amazon.com/author/ekane
https://www.amazon.com/gp/product/B07Q8WK98N/ref=dbs_a_def_rwt_bibl_vppi_i13
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| Source: Carnegie Mellon University |
Big Step Toward Printing Functioning, Adult Human Heart
A breakthrough in 3d bioprinting has brought the world closer to printing fully functional human hearts. The invention comes from researchers at Carnegie Mellon University in Pittsburgh. It involves both a new technique and an additional substance. This is important medical innovation because millions of people worldwide are in need of a new heart. Today, in the US, 4000 patients are on a list for a heart transplant.
New Technique and Substance
The new technique is called FRESH or Freeform Reversible Embedding of Suspended Hydrogels. It remedies the problem of liquid collagen, which is the major structural protein in the human body, puddling in the air as its goes through 3D printing to create a heart. The scientists have successfully used hydrogel as temporary support for the layers of liquid collagen as they are printed. After the printing is done, the hydrogel is removed without any damage to the structure.
Results
The team just published their findings in the journal Science. They say they've shown that they can print pieces of the heart out of cells and collagen into parts that fully function like a heart valve and the ventricle. And by using MRI data of an individual human heart, they can precisely print the structure for the individual patient's specific anatomical needs. For a free Kindle borrow of my book "List of Top New Medical Innovations", go to amazon.com/author/ekane
https://www.amazon.com/gp/product/B07Q8WK98N/ref=dbs_a_def_rwt_bibl_vppi_i13
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