Emi filter employing a capacitor and an inductor tank circuit having optimum component values

A bandstop filter having optimum component values is provided for a lead of an active implantable medical device (AIMD). The bandstop filter includes a capacitor in parallel with an inductor. The parallel capacitor and inductor are placed in series with the implantable lead of the AIMD, wherein valu...

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Bibliographische Detailangaben
Hauptverfasser:	MOSCHIANO, HOLLY NOELLE, STEVENSON, ROBERT A, DABNEY, WAREN S, JOHNSON, ROBERT SHAWN, HALPERIN, HENRY R
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRONIC CIRCUITRY ELECTRICITY ELECTROTHERAPY HUMAN NECESSITIES HYGIENE IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS MAGNETOTHERAPY MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES MEDICAL OR VETERINARY SCIENCE PHYSICS RADIATION THERAPY RESONATORS TESTING ULTRASOUND THERAPY
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Beschreibung
Zusammenfassung:	A bandstop filter having optimum component values is provided for a lead of an active implantable medical device (AIMD). The bandstop filter includes a capacitor in parallel with an inductor. The parallel capacitor and inductor are placed in series with the implantable lead of the AIMD, wherein values of capacitance and inductance are selected such that the bandstop filter is resonant at a selected frequency. The Q of the inductor may be relatively maximized and the Q of the capacitor may be relatively minimized to reduce the overall Q of the bandstop filter to attenuate current flow through the implantable lead along a range of selected frequencies.