Importance

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Abstract

An apparatus for hermetically sealing implantable devices, such as a microstimulator, moicrotransducer, microtelemeter, or the like, prevents entrapment of water vapors and other volatile gases, and allows hermeticity testing at all manufacturing levels. The venting of water vapors and other volatile gases is accomplished with a tubular feedthrough that allows such gases trapped within the sealed device to vent during the manufacturing process. The tubular feedthrough also establishes a conduit through which leakage tests or other hermeticity tests can be conducted prior to and after sealing the feedthrough. The tubular feedthrough, when made from conductive materials, also provides for electrical connections between electronic circuits sealed within the device and electrodes and other electrical terminals on the outside of the capsule.

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First Claim