Navigation Links
'Beating' heart machine expedites research and development of new surgical tools, techniques
Date:5/12/2009

A new machine developed at North Carolina State University makes an animal heart pump much like a live heart after it has been removed from the animal's body, allowing researchers to expedite the development of new tools and techniques for heart surgery. The machine saves researchers time and money by allowing them to test and refine their technologies in a realistic surgical environment, without the cost and time associated with animal or clinical trials.

Currently, most medical device prototypes designed for use in heart surgery are tested on live pigs, which have heart valves that are anatomically similar to human heart valves. However, these tests are both expensive and time-consuming, and involve a lengthy permission process to ensure that the use of live animals is necessary. So, researchers at NC State have developed a "dynamic heart system" a machine that pumps fluid through a pig heart so that it functions in a very realistic way. "Researchers can obtain pig hearts from a pork processing facility and use the system to test their prototypes or practice new surgical procedures," says Andrew Richards, a Ph. D. student in mechanical engineering at NC State who designed the heart machine.

The computer-controlled machine, which operates using pressurized saline solution, also allows researchers to film the interior workings of the pumping heart enabling them to ascertain exactly which surgical technologies and techniques perform best for repairing heart valves.

By using the machine, researchers can determine if concepts for new surgical tools are viable before evaluating them on live animals. They can also identify and address any functional problems with new technological tools. "There will still be a need for testing in live animal models," says Dr. Greg Buckner, who directed the project, "but this system creates an intermediate stage of testing that did not exist before. It allows researchers to do 'proof of concept' evaluations, and refine the designs, before operating on live animals." Buckner is an associate professor of mechanical and aerospace engineering at NC State.

Using the system could also save researchers a great deal of money. Once the machine is purchased and set up, the cost of running experiments is orders of magnitude less expensive than using live animals. "It costs approximately $25 to run an experiment on the machine," says Richards, "whereas a similar experiment using a live animal costs approximately $2,500."


'/>"/>

Contact: Matt Shipman
matt_shipman@ncsu.edu
919-515-6386
North Carolina State University
Source:Eurekalert  

Related biology news :

1. Study offers clues to beating hearing loss
2. Building disease-beating wheat
3. Heart protein regulates blood vessel maintenance
4. Chemical found in medical devices impairs heart function
5. Heart attacks: The tipping point
6. Gladstone scientists identify key factors in heart cell creation
7. Eating fatty fish once a week reduces mens risk of heart failure
8. A missing enzyme conveys major heart protection in pre-clinical work
9. Inhaling a heart attack: How air pollution can cause heart disease
10. Simple test helps predict heart attack risk
11. Why lazy Susan has a weak heart
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
'Beating' heart machine expedites research and development of new surgical tools, techniques
(Date:5/6/2017)... -- RAM Group , Singaporean based technology ... biometric authentication based on a novel  quantum-state ... perform biometric authentication. These new sensors are based on a ... Group and its partners. This sensor will have widespread ... security. Ram Group is a next generation sensor ...
(Date:4/18/2017)... April 18, 2017  Socionext Inc., a global expert in SoC-based ... edge server, the M820, which features the company,s hybrid codec technology. ... by Tera Probe, Inc., will be showcased during the upcoming Medtec ... show at the Las Vegas Convention Center ... Click here ...
(Date:4/13/2017)... -- According to a new market research report "Consumer IAM ... and Authorization), Service, Authentication Type, Deployment Mode, Vertical, and Region - Global ... grow from USD 14.30 Billion in 2017 to USD 31.75 Billion by ... ... MarketsandMarkets Logo ...
Breaking Biology News(10 mins):
(Date:8/15/2017)... Linda, Ca (PRWEB) , ... August 15, 2017 ... ... coffee production and is threatened by various biotic and abiotic factors. During this ... complex evolutionary history of coffee, as well as gain a better understanding of ...
(Date:8/14/2017)... ... August 14, 2017 , ... The Conference Forum has confirmed the ... place on September 6, 2017 at the Marriott Copley Place in Boston, MA. , ... Informatics, and Regulatory Strategy, Pfizer Innovative Research Lab, Pfizer, who leads 19 industry speakers ...
(Date:8/11/2017)... , ... August 11, 2017 , ... ... production, and, in particular, more natural alternatives to synthetic ingredients,” said Matt Hundt, ... Third Wave, with the established manufacturing presence and know-how of Biorigin will allow ...
(Date:8/10/2017)... ... August 09, 2017 , ... Each year in the United States ... enough to live an independent lifestyle and, even worse, the one-year mortality rate is ... doctors at the University of California Davis Medical Center (Sacramento) and Second Xiangya Hospital ...
Breaking Biology Technology: