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Image: Detail of the world' s smallest stent; Copyright: de Marco C. et al, Adv. Mater. Technol., 2019

Vascular prostheses: the world's smallest stent

12.08.2019

Approximately one in every thousand children develops a urethral stricture, sometimes even when they are still a foetus in the womb.
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Image: Man with a green glove is holding a circuit implant in front of the camera; Copyright: EPFL 2019/ Murielle Gerber

Circuit implant: releasing painkillers inside the body

09.08.2019

Researchers in EPFL's Microsystems Laboratory are now working on a biodegradable implant that would release a local anesthetic on-demand over several days. Not only would this implant reduce patients' post-op discomfort, but there would be no need for further surgery to remove it.
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Image:  bone tissue replicated with 3D technology; Copyright: panthermedia.net/eranicle

Regenerative medicine: 'Bone in a dish'

07.08.2019

Like real bone, the material developed at Oregon Health & Science University has a 3D mineral structure populated with living cells, providing a unique model to study bone function, diseases, regeneration.
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Image: Mouse cochlea with hair cells shown in green and auditory nerves shown in red.; Copyright: Doetzlhofer lab

Tissue engineering: restoring damaged cells in the ear

06.08.2019

Using genetic tools in mice, researchers at Johns Hopkins Medicine say they have identified a pair of proteins that precisely control when sound-detecting cells, known as hair cells, are born in the mammalian inner ear. The proteins, described in a report published June 12 in eLife, may hold a key to future therapies to restore hearing in people with irreversible deafness.
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Image: A researcher displays the pliability of a trileaf heart valve bioprinted in collagen.; Copyright: Carnegie Mellon University College of Engineering

Tissue engineering: 3D printing the human heart

05.08.2019

A team of researchers from Carnegie Mellon University has published a paper in Science that details a new technique allowing anyone to 3D bioprint tissue scaffolds out of collagen, the major structural protein in the human body. This first-of-its-kind method brings the field of tissue engineering one step closer to being able to 3D print a full-sized, adult human heart.
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Image: bacteria-killing gel; Copyrigh: JD Howell, McMaster University

Desinfection: gel heals itself while healing you

26.07.2019

McMaster researchers have developed a novel new gel made entirely from bacteria-killing viruses.
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Image: sterile titanium blanks; Copyright: Sergey Gnuskov/NUST MISIS

Implants: hybrid implant imitates bone structure

25.07.2019

The National University of Science and Technology MISIS together with their colleagues from the N.N. Blokhin National Medical Research Centre of oncology developed a unique implant to replace the damaged bone fragment. The implant, which imitates real bone structure, was installed to a domestic cat with osteosarcoma by surgeons of the veterinary clinic "Biocontrol".
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Image: Hearing implant, Copyright: panthermedia.net/Andriy Popov

Hearing aids: new tech for "almost perfect" hearing

24.07.2019

Dr. Wim Melis from the University of Greenwich is working on deconstructing and reconstructing audio signals with extremely high accuracy.
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Image: Remote-controlled implantable nanochannel drug delivery system besides a pen; Copyright: Houston Methodist

Implants: remote-controlled drug delivery system for chronic disease management

26.06.2019

People with chronic diseases like arthritis, diabetes and heart disease may one day forego the daily regimen of pills and, instead, receive a scheduled dosage of medication through a grape-sized implant that is remotely controlled.
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Image: Leg implants; Copyright: panthermedia.net/ monstArrr

Orthopedic implant: More comfortable thanks to full weight-bearing capacity

08.03.2019

Orthopedic implants – they are a necessity when it comes to congenital or acquired limb length discrepancies. However, full weight-bearing during the limb lengthening process is not feasible with previous implant models. For the first time, the 3D Surgery division at the Medical Center of the University of Munich has succeeded in using an implant that facilitates immediate weight-bearing.
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Image: View over the shoulders of two doctors at a screen showing a model of a heart; Copyright: panthermedia.net/Wavebreakmedia ltd

Regenerative heart valves: from simulation to replacement

23.07.2018

Every year, more than 250,000 patients worldwide receive heart valve implants. Children require repeated replacement surgery because their bodies are still growing, the prosthetic heart valves are not. Regenerative heart valves solve this problem. Until now, we have only been able to monitor how these living implants develop in the body after the fact. Computer models now make this predictable.
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Image: Small brown mole on the back of a hand; Copyright: panthermedia.net/Mario Hahn

Early detection: Tattoo signals cancer – and more

09.07.2018

People who are not ill and do not show any symptoms typically do not visit the doctor. And while most people know that preventive medical checkups for cancer, for example, are important, they still avoid them. They tend to be very hesitant because the doctor might detect a serious illness. In the future, a new type of implant could make it easier to go to a screening test.
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Image: Two hands are holding a tubular frame that is carrying a glistening wet, white tube; Copyright: Leibniz University of Hanover/Institute of Technical Chemistry

Tissue engineering: how to grow a bypass

23.04.2018

A bypass is a complicated structure. It is either made of synthetic materials that can cause blood clots and infections or created by using the patient’s veins. However, the latter often does not yield adequate material. A newly developed bioreactor could solve this problem in the future. It is designed to tissue engineer vascular grafts by using the body’s own material.
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Image: Preview picture of video

Surgical navigation systems – with precision to the destination

06.03.2018

With the help of surgical navigation systems, prostheses or implants can be better inserted. During the procedure, surgeons can see exactly where they need to operate on a screen. Just like a navigation system in the car, navigation in the OR guides you precisely to your destination. At the Uniklinik RWTH Aachen we can find out what advantages this has for physicians and patients.
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Image: Preview picture to the video

High-quality implants and orthopaedic instruments - Interview with GPC Medical Ltd.

16.11.2017

The quality of the implants and orthopaedic instruments used is a fundamental prerequisite for the success of surgical procedures. They have to meet very high international standards. Find out more about the orthopaedic implants and tools of the Indian company GPC Medical Ltd. in our interview.
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Image: Black-and-white picture, with some structures of the human body highlighted in color; Copyright: ARTORG Center for Biomedical Engineering Research, University of Bern

Cochlear implants: safe procedure thanks to surgical robots

22.05.2017

For many years, cochlear implants have restored a sense of hearing in people with certain types of hearing loss. For surgeons, the implantation requires a precise attention to detail under the microscope. The results for the patients improve significantly with a more precise placement of the electrode array. The use of a surgical robot can increase the accuracy of the procedure.
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Image: Computer-generated graphic showing two hip balls next to each other. Implantation of a sleeve is demonstrated on them; Copyright: revomotion GmbH Köln

Hip joint: sleeve versus endoprosthesis

10.04.2017

People with hip osteoarthritis often suffer from severe pain and only an endoprosthesis implantation can provide relief. This involves a major intervention and long-term rehabilitation because the implant requires the removal of a section of the thigh bone. The "MioHIP" research project looks for an elastic alternative.
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Image: Look over the shoulder of an eye surgeon who is operating at a microscope; Copyright: panthermedia.net/mearicon

Ophthalmology today and tomorrow: surgery and more

01.02.2017

Ophthalmology procedures and eye surgeries have been around since ancient times. Today we can hardly imagine the types of circumstances that surrounded any surgical procedures to our perhaps most important sense organ in those days and later eras. Meanwhile, the present and future of this medical specialty looks all the more promising.
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