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MINNEAPOLIS, Minn.—A tiny electrical contact that’s reportedly being used in more than one million implantable medical devices worldwide is said to facilitate a reliable, uniform electrical connection between the battery and lead in implantable electronic devices. The Bal Conn™ electrical contact from Bal Seal Engineering, Inc., consists of a small, precision-engineered canted-coil™ spring that’s retained in a metal housing. Its spring coils adjust independently to maintain maximum contact with the lead and can be customized to meet specific requirements for insertion and removal forces and contact resistance, according to Bal Seal Engineering (www.balseal.com). Bal Seal Engineering, headquartered in Foothill Ranch, California, is a supplier of high-performance components for electronic devices used in cardiac rhythm management, neuromodulation, and sensing applications.
The compact profile of the Bal Conn enables manufacturers to build in greater connector density for enhanced performance in the same limited space. It is said to offer “improved conductivity and excellent resistance to fatigue and compression set in a design that eliminates the need for tools during the connection process.” Diameters are available to “fit any lead configuration, from IS1 and IS4 all the way down to 0.040,” according to Bal Seal.
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