Case driven design for implantable medical device
AssigneeCardiac Pacemakers, Inc.
InventorsRon A. Balczewski, William J. Linder, Dan C. Goldman, Nicholas J. Stessman, Aleksandra Kharam
Life of this patent
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Abstract
A medical device includes: a case at least a portion of which functions as a first electrode; a second electrode disposed in a header coupled to the case; a core assembly, the core assembly including operational circuitry enclosed within a core assembly housing, wherein the case includes the core assembly housing; and a battery assembly, the battery assembly including a battery enclosed within a battery housing, where the case further comprises the battery housing; where the operational circuitry is configured to drive a regulated voltage onto the case.
Claims20
A medical device comprising:
- a case, wherein at least a portion of the case functions as a first electrode;
- a second electrode disposed in a header, which is coupled to the case;
- a core assembly, the core assembly comprising operational circuitry enclosed within a core assembly housing, wherein the case comprises the core assembly housing;
- and
- a battery assembly, the battery assembly comprising a battery enclosed within a battery housing, the battery including a positive terminal and a negative terminal,
- wherein the case is shorted to the positive terminal,
- wherein the case further comprises the battery housing,
- wherein a capacitor is electrically coupled between the negative terminal and the case,
- wherein the operational circuitry is configured to drive a voltage onto the case.
A medical device comprising:
- a case, wherein at least a portion of the case functions as a first electrode configured to sense a physiological parameter;
- a second electrode disposed in a header, which is coupled to the case, the second electrode is configured to sense the physiological parameter;
- a core assembly comprising operational circuitry enclosed within a core assembly housing, wherein the case comprises the core assembly housing;
- and
- a battery assembly comprising a battery enclosed within a battery housing, the battery including a positive battery terminal and a negative battery terminal,
- wherein the case further comprises the battery housing and wherein the case is shorted to the positive battery terminal,
- wherein a capacitor is electrically coupled between the negative battery terminal and the case,
- wherein the operational circuitry is configured to drive a voltage onto the case.
A method of manufacturing a medical device, the method comprising:
- providing a case, wherein at least a portion of the case functions as a first electrode;
- coupling a header to the case;
- disposing a second electrode in the header;
- providing a core assembly, the core assembly comprising operational circuitry enclosed within a core assembly housing, wherein the case comprises the core assembly housing;
- coupling a battery assembly to the core assembly, the battery assembly comprising a battery enclosed within a battery housing, the battery including a positive terminal and a negative terminal;
- and
- shorting the case to the positive terminal;
- wherein the case further comprises the battery housing,
- wherein a capacitor is electrically coupled between the negative terminal and the case,
- wherein the operational circuitry is configured to drive a voltage onto the case.
Dependencies are inferred from the claim text.