Implantable medical device with nerve signal sensing

Details Implantable medical device with nerve signal sensing Implantable medical device with nerve signal sensing

2007-05-29

2007-05-29

Pezzuto, Robert (Department: 3766)

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

C607S003000, C607S004000, C607S042000, C607S048000, C607S118000, C600S544000, C600S546000

Reexamination Certificate

active

10870367

ABSTRACT:
An implantable medical device which has a sensor that provides a waveform to an energy accumulator, such as a capacitor. The waveform is representative of electrical activity from a nerve. The implantable medical device further includes a threshold detector which provides a discrete output signal when the energy in the signal energy accumulator exceeds a threshold. The signal energy accumulator can be periodically discharged and then recharged during the time period that electrical activity is being sensed from the nerve thereby generating a number of discrete output signals each time the recharged energy accumulator exceeds the threshold. The frequency and number of pulsed outputs is indicative of the sensed electrical activity.

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Janis Kelly, “New Method Permits Neural Control of Mechanical Ventilation,” Pulmonary Reviews.com, vol. 5, No. 5 (May 2000), 4 pages.

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