Breaking barriers in Medical through 3D Printing (Authentise Weekly News-In-Review – #123)

Customization options alone make 3D printing a natural fit for the medical sector. Now, the medical industry is embracing 3D printing in a number of even more exciting ways. The new approach that the technology provides to design and manufacture is laden with opportunities to improve upon established practices or to make entirely new ones possible. Just thinking of bioprinting a cornea to enable scarless healing of wounds in the eye may seem far-fetched, but it’s only one of the exciting realities of today. The risk of implant rejection by the body is close to being eliminated thanks to stem cells technologies or smart materials designed to dissolve once their scaffolding purpose has run its course. Looking at the horizon, 3D printing is the only feasible solution when it comes to addressing medical emergencies in space: astronauts won’t need to cross their fingers that their highly specialized medical tool came up on the latest rocket carrying supplies, but rather just instructs the in-situ printer to make it on the spot.

3D Printed Cornea Tissue Aims To Tackle Blindness

A 3D Bioprinted Cornea Stromal Lenticule. Photo via Pandorum Technologies Pvt.

Pandorum Technologies Pvt., a Bangalore-based biotechnology company, has used 3D bioprinted cornea tissue to promote scarless healing of wounds in the eye. In collaboration with India’s LV Prasad Eye Institute, the company created a bio-inspired corneal ink dubbed as ‘Liquid Cornea’ to 3D bioprint corneal lenticule – a disc-shaped piece of corneal tissue which can also be manufactured with synthetic materials. This is implanted into or on top of the human eye to treat visual impairment due to corneal defect.

Read the rest of the article here.

This startup is 3D printing breast implants for cancer survivors

Lattice Medical showcases the intricate forms that can be 3Dprinted.

[Lattice Medical] creates 3D-printed breast implants which, unlike common silicone implants, dissolve into the body after a year. But the real magic is that in that time the company has a method for regrowing the natural breast tissue so that patients are ultimately left with natural breasts after just a single operation.

Read the full article here.

3D printing medical devices in space

Astronauts face serious health issues, including hand injuries and risk of infection, during long duration space missions far from earth. Chile-based Copper 3D has received funding from NASA to test a new, 3D printing-based approach adapted for the unique space environment.

Keep reading at MedicalDevices Network.

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The experimental, and unregulated, field of Bioprinting (Authentise Weekly News-In-Review – #120)

Bioprinting is a squishy topic. It sounds good in its sci-fi theory but when you nail down the practical aspects it becomes much more complicated. The research is being done to bring that vision to reality, making over-the-top announcements, from vascular tissues to entire patient-specific heart 3D printing, that mislead the reader into thinking we might already live in the future. However, there are ethical and legal conundrums to consider alongside the technical hurdles. The field is so new that legislators struggle to comprehend what’s being done in the present day, let alone what will be possible tomorrow. Bioprinting is a concoction of frontier fields like stem cells, gene editing, and biocompatible materials. Researchers are taking unorthodox approaches to the problems they face, even employing generative textile designers to design organic structures. There will need to be safety regulations, protocols, all angles still need to be figured out. After all, we’re talking about our bodies, and we don’t want defective software or printing processes to pose any kind of risk.

Nervous System Works with Rice University Researchers 3D Printing Vascular Networks

Nervous System has been heavily engaged in experimenting with 3D and 4D printing of textiles in the past years, and all their research is paying off now as they find themselves engaged in the realm of tissue engineering. Assistant professor Jordan Miller [from Rice University] invited the Nervous System team to join his researchers on an incredible journey to fabricate examples of possible vascular networks via bioprinting—harnessing their knowledge of software and materials to find a way to create soft hydrogels.

Read the article here.

Scientists Create World’s First 3D-Printed Heart Using Patient’s Own Cells

Researchers at Tel Aviv University have successfully printed the world’s first 3D heart using a patient’s own cells and biological materials to “completely match the immunological, cellular, biochemical, and anatomical properties of the patient.” Until now, researchers have only been able to 3D-print simple tissues lacking blood vessels.

“This heart is made from human cells and patient-specific biological materials. In our process these materials serve as the bioinks, substances made of sugars and proteins that can be used for 3D printing of complex tissue models,” said lead researcher Tal Dvir in a statement.

Read the article here.

Bioprinting: What are the Legal Implications of Defective Design Software?

3D printing has taken off at lightning speed, with innovations emerging around the world continually—and virtually unregulated. While there may be some serious discussions and expectations regarding ownership and common sense regarding designs, most of the legal angles are still in the embryonic stages.

“In the medical 3D bioprinting field, three theories are, in principle, relevant to the protection of the patient against injuries that are attributable to defective CAD software: (i) medical malpractice (a subset of negligence law), (ii) breach of warranty under the Uniform Commercial Code (UCC), and (iii) strict liability,” states researcher Jamil Ammar. “None of these theories, however, adequately address the range of injuries that could potentially arise due to use of defective CAD software.”

Read the full article at 3DPrint.com

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