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Bionic touch does not remap the brain
14/01/2021
A new study of people with amputations who used a bionic hand for over one year highlights future challenges for developing realistic prosthetic devices.
Perceiving prosthesis as lighter thanks to neurofeedback
14/01/2021
Leg amputees are often not satisfied with their prosthesis, even though the sophisticated prostheses are becoming available. One important reason for this is that they perceive the weight of the prosthesis as too high, despite the fact that prosthetic legs are usually less than half the weight of a natural limb.
Tiny wireless device sheds light on combating obesity
12/01/2021
Texas A&M researchers have designed a device that stimulates the endings of the vagus nerve, which is responsible for the regulation of food intake.
A weather station for epileptic seizure
22/12/2020
Neuroscientists from the University of Geneva and the University Hospital of Bern have succeeded in developing a technique that can predict seizures days in advance. By recording neuronal activity over at least six months using a device implanted directly in the brain, it's possible to detect individual cycles of epileptic activity and provide information about the probability of a future seizure.
Microimplants: electricity instead of pills
23/11/2020
Active implants such as pacemakers revolutionized healthcare decades ago. But they also have disadvantages: their size and relatively short life span, for example. At Fraunhofer IZM, research is therefore being conducted on durable microimplants that stimulate nerve cells electrically in a targeted manner and are even to be used to treat multiple sclerosis.
3D bioprinted heart provides new tool for surgeons
19/11/2020
Professor of Biomedical Engineering Adam Feinberg and his team have created the first full-size 3D bioprinted human heart model using their Freeform Reversible Embedding of Suspended Hydrogels (FRESH) technique.
Researchers 3D print biomedical parts with supersonic speed
11/11/2020
Forget glue, screws, heat or other traditional bonding methods. A Cornell University-led collaboration has developed a 3D printing technique that creates cellular metallic materials by smashing together powder particles at supersonic speed.
Implantable sensor could measure bodily functions and then safely biodegrade
10/11/2020
Sensors that monitor a patient's condition during and after medical procedures can be expensive, uncomfortable and even dangerous. Now, an international team of researchers has designed a highly sensitive flexible gas sensor that can be implanted in the body -- and, after it's no longer needed, safely biodegrade into materials that are absorbed by the body.
Implantable device can monitor and treat heart disease
04/11/2020
Pacemakers and other implantable cardiac devices used to monitor and treat arrhythmias and other heart problems have generally had one of two drawbacks - they are made with rigid materials that can't move to accommodate a beating heart, or they are made from soft materials that can collect only a limited amount of information.
Regenerative medicine: creating a new body?
03/02/2020
Regenerative medicine aims to repair the human body after injuries, accidents or major cancer surgery. Unfortunately, we are still not at a stage where this process can achieve optimal results for every conceivable situation. Having said that, various new methods are on the cusp of breakthrough.
Endoprotheses: between possibility and reality
01/01/2020
When natural joints lose their ability to function, they can be completely or partially replaced by artificial joints, also called endoprotheses. Endoprotheses must be of a certain quality, as they should remain in the body as long as possible. In addition to some risks, endoprotheses can also contribute to a mobile and carefree life for young and old.
APRICOT-project: implant "help(s) patients heal themselves"
01/01/2020
Today, people tend to live longer, while an increasing number of patients suffer from osteoarthritis. Even younger generations are now at a higher risk of getting osteoarthritis due to the frequent use of mobile devices. The EU research project APRICOT aims to develop a novel type of implant for the treatment of osteoarthritis of the hands – helping patients heal themselves.
Endoprotheses: regaining independence and mobility
01/01/2020
Joints can suddenly or gradually deteriorate and lose their natural strength, whether it’s due to accidents, diseases or simple wear and tear. In some of these cases, implants of artificial joints – endoprostheses - can help. As a joint replacement, they are designed to stay in the body for as long as needed and as such improve the patient’s quality of life and mobility.
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.
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.
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.
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.
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.