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EA Magnetics - Magnetic Case Studies

EA Magnetics - Product Information APPLICATION CASE STUDIES
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	CASE STUDY: Pertains to: Ceramic Magnets, Sintered Neodymium and Magnetic Assemblies Download this case study as a PDF - EAM-Case-Study-008.pdf - 1559Kb EAM Designs Critical Pump Mechanism for Heart and Lung Machine . . .
	The components of control...	Technology that other vendors couldn't supply was developed by EAM. Here's what we did to provide the solution... Medical applications can be some of the most demanding magnet design challenges. Precision and consistency are of primary importance when dealing with systems that will be counted on to perform when someone’s life is on the line.

	The Problem: Heart and lung machines are used to keep the patient’s blood and oxygen supply flowing during certain types of surgery. A manufacturer of these machines wanted to create a magnetic system to drive the blood-pump on their equipment. Using this type of design, the part on the pump that actually comes into contact with the blood would be disposable, however the main console that drives the motion of the pump would be re-useable. The pump would have to work with no physical contacts between the driving mechanism and the pump itself, preventing any possible contamination. The Solution: For the pump to work as designed, EAM created two separate magnetic assemblies. A sintered neodymium assembly with eight poles was designed to be mounted in the console and drive the pump on a permanent basis. A more cost effective ceramic magnet with multiple poles would be mounted in the disposable pump that moves the blood. Care had to be taken to ensure the optimal coupling strength so that the system would move smoothly in order to pump the blood without casing damage to the platelets. The design worked perfectly, and the pump is currently in use in operating rooms across the country.

	Using magnets in your process? Contact EAM today with your most critical magnet applications. From design through implementation, we offer experience and professionalism you can count on for your most important projects.

EA Magnetics supplies magnets and magnetic assemblies to OEMs in all types of industries. Alnico, bonded ferrite, ceramic magnets, flexible magnets and magnet components for electronics and actuating devices. Our manufacturing capabilities include advanced magnetic modeling and characterization software to provide optimal support and engineering for sintered rare earth magnets, injection molded magnetic assemblies, rare earth magnets, samarium cobalt magnets, and technical magnets for all requirements.

Eneflux Armtek Magnetics, Inc - 700 Hicksville Road - Unit 110 - Bethpage, NY 11714-3496 USA
Toll-Free (800) 2ARMTEK - (800) 227-6835 - Tel: (215) 504-1000 - Fax: (215) 504-1001 · info@EAMagnetics.com

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