News tagged with pacemakers
Heart-powered pacemaker could one day eliminate battery-replacement surgery
A new power scheme for cardiac pacemakers turns to an unlikely source: vibrations from heartbeats themselves.
Mar 02, 2012 |
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Researchers create first human heart cells that can be paced with light
In a compact lab space at Stanford University, Oscar Abilez, MD, trains a microscope on a small collection of cells in a petri dish. A video recorder projects what the microscope sees on a nearby monitor. The cells in the ...
Sep 20, 2011 |
4.8 / 5 (6) |
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Energy-harvesting rubber sheets could power pacemakers, mobile phones
Power-generating rubber films developed by Princeton University engineers could harness natural body movements such as breathing and walking to power pacemakers, mobile phones and other electronic devices.
Jan 27, 2010 |
4.1 / 5 (15) |
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Shine a light instead of changing the battery
(PhysOrg.com) -- Pacemakers and other implanted medical devices require electric current to operate. Changing the battery requires an additional operation, which is an added stress on the patient. A Japanese team led by Eijiro ...
Dec 01, 2011 |
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Protecting medical implants from attack
Millions of Americans have implantable medical devices, from pacemakers and defibrillators to brain stimulators and drug pumps; worldwide, 300,000 more people receive them every year. Most such devices have ...
Jun 13, 2011 |
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Tiny turbine in human artery harvests energy from blood flow
(PhysOrg.com) -- A small turbine located inside a millimeters-wide human artery could harvest enough energy from blood flow to power implanted medical devices, such as pacemakers and drug-delivery pumps. The ...
May 20, 2011 |
3.9 / 5 (12) |
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Researchers control zebrafish heart rate with optical pacemaker
(PhysOrg.com) -- UCSF researchers have for the first time shown that an external optical pacemaker can be used in a vertebrate to control its heart rate.
Chemistry / Analytical Chemistry
Nov 16, 2010 |
4 / 5 (1) |
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A pacemaker for your brain
By stimulating certain areas of the brain, scientists can alleviate the effects of disorders such as depression or Parkinson's disease. That's the good news. But because controlling that stimulation currently lacks precision, ...
Medicine & Health / Neuroscience
Jun 28, 2010 |
5 / 5 (8) |
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Mini generators make energy from random ambient vibrations
Tiny generators developed at the University of Michigan could produce enough electricity from random, ambient vibrations to power a wristwatch, pacemaker or wireless sensor.
Mar 23, 2010 |
3.9 / 5 (11) |
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Carbon monoxide reverses diabetic gastric problem in mice
Mayo Clinic researchers have shown that very low doses of inhaled carbon monoxide in diabetic mice reverses the condition known as gastroparesis or delayed stomach emptying, a common and painful complication for many diabetic ...
Medicine & Health / Medical research
Jun 01, 2009 |
5 / 5 (2) |
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Scientists reveal how neuronal activity is timed in brain's memory-making circuits
Theta oscillations are a type of prominent brain rhythm that orchestrates neuronal activity in the hippocampus, a brain area critical for the formation of new memories. For several decades these oscillations were believed ...
Medicine & Health / Medical research
May 29, 2009 |
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Power without the cord
Cell phones and flashlights operate by battery without trouble. Yet because of the limited lifespan, battery power is not a feasible option for many applications in the fi elds of medicine or test engineering, ...
Apr 02, 2012 |
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New design techniques enable extremely reliable medical devices
For pacemakers and other implantable medical devices there are three key factors: extreme reliability, small size, and long longevity. In the EU project Desyre, researchers tackle these issues with a new approach: ...
Technology / Computer Sciences
Mar 12, 2012 |
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Powering pacemakers with heartbeat vibrations
Sick hearts may help to keep themselves beating longer with a device that could harvest energy from heartbeat-induced chest cavity vibrations.
Feb 01, 2012 |
5 / 5 (1) |
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Cobblestones fool innate immunity
Coating the surface of an implant such as a new hip or pacemaker with nanosized metallic particles reduces the risk of rejection, and researchers at the University of Gothenburg, Sweden, can now explain why: they fool the ...
Nanotechnology / Bio & Medicine
Nov 29, 2011 |
5 / 5 (2) |
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Pacemakers
Pacemakers may refer to:
For more information about Pacemakers, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
