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'Beating' Heart Machine Expedites Development Of New Surgical Tools, Techniques

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A device developed at North Carolina Country University in Raleigh may confess researchers to expedite evolvement of recent tools and techniques for emotions surgery. The dynamic feelings action pumps fluid through a swine love so that it continues to overhaul prize a animate affection still after it's been removed from the animal's body. The engine testament allow researchers to test and refine surgical technologies in a realistic surgical earth without the cost and time associated with animal or clinical trials, its developers say.
Currently, most medical device prototypes designed for convenience in passion surgery are tested on aware pigs, which have heart valves that are anatomically agnate to human heart valves. However, the tests are expensive and time-consuming, and they include a lengthy permission case for the use of live animals. The NC Native land computer enables researchers to obtain swine hearts from a pork processing smoothness and manipulate the manner to test prototypes or practice new surgical procedures, explains Andy Richards, a PhD undergraduate in mechanical engineering who designed the energizing heart system.
By using the machine, researchers can determine if concepts for new surgical tools are viable before evaluating them on breathing animals. They can and diagnose and location any functional problems. The computer-controlled machine, which operates using pressurized saline solution, also allows researchers to movie the interior workings of the pumping heart, enabling them to determine which surgical technologies and techniques are best suited to repair heart valves. Research underlying the pc was published in the Annals of Biomedical Engineering.

"There will still be a need for testing in conscious animal models," says Dr. Greg Buckner, associate professor of mechanical and aerospace engineering at NC State, who directed the project. "But this step allows researchers to accomplish proof of concept evaluations, and refine the designs, before operating on live animals." Using the operation as well could save researchers a abundant deal of money. Once the appliance is purchased and set up, the payment of running experiments is orders of proportions less expensive than using live animals. "It costs on all sides of $25 to run an experiment on the machine," Richards says, "whereas a similar experiment using a living animal costs approximately $2,500."
Source
Scientific Blogging
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Keywords:

heart, heart machine, beating heart, heart valves, heart enabling, heart system, pigs heart, repair heart, pumping heart, human heart
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