Feedthrough assembly for implantable medical devices and methods for providing same
First Claim
1. A feedthrough assembly of an implantable medical device, the implantable medical device having a case with an interior and exterior surface, wherein the implantable medical device includes a medical device circuit assembly mounted within the case, the feedthrough assembly comprising:
- at least one electrically conductive pin extending through an aperture in the case such that the electrically conductive pin includes a first end projecting from the exterior surface of the case and a second end projecting from the interior surface of the case, the electrically conductive pin being insulated from the case; and
a protection circuit assembly including;
a diode protection circuit, anda printed circuit board having the diode protection circuit mounted thereon, wherein the printed circuit board forms at least a part of an electrical conductive path for connection of the at least one electrically conductive pin to the medical device circuit assembly mounted within the case, and further wherein the printed circuit board provides for electrical connection of the diode protection circuit mounted thereon between the at least one electrically conductive pin and the case.
1 Assignment
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Accused Products
Abstract
A feedthrough assembly for an implantable medical device includes one or more electrically conductive pins extending through apertures in a case of the medical device with the electrically conductive pins being insulated from the case. The feedthrough assembly further includes a printed circuit board having a diode protection circuit mounted thereon. The printed circuit board forms at least a part of electrically conductive paths for connection of the electrically conductive pins to a medical device circuit assembly mounted within the case. The printed circuit board further provides for electrical connection of the diode protection circuit mounted thereon between the electrically conductive pins and the case.
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Citations
29 Claims
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1. A feedthrough assembly of an implantable medical device, the implantable medical device having a case with an interior and exterior surface, wherein the implantable medical device includes a medical device circuit assembly mounted within the case, the feedthrough assembly comprising:
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at least one electrically conductive pin extending through an aperture in the case such that the electrically conductive pin includes a first end projecting from the exterior surface of the case and a second end projecting from the interior surface of the case, the electrically conductive pin being insulated from the case; and a protection circuit assembly including; a diode protection circuit, and a printed circuit board having the diode protection circuit mounted thereon, wherein the printed circuit board forms at least a part of an electrical conductive path for connection of the at least one electrically conductive pin to the medical device circuit assembly mounted within the case, and further wherein the printed circuit board provides for electrical connection of the diode protection circuit mounted thereon between the at least one electrically conductive pin and the case. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A feedthrough assembly of an implantable medical device, the implantable medical device having a case with an interior and exterior surface, wherein the implantable medical device includes a medical device circuit assembly mounted within the case, the feedthrough assembly comprising:
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two or more electrically conductive pins, wherein each electrically conductive pin extends through an aperture in the case such that the electrically conductive pin includes a first end projecting from the exterior surface of the case and a second end projecting from the interior surface of the case, and further wherein each electrically conductive pin is insulated from the case; a diode array component including at least a first zener diode, a second zener diode and a third zener diode; and a printed circuit board, distinct from the medical device circuit assembly, having the diode array component mounted thereon, wherein the printed circuit board forms at least a part of the electrical conductive paths for connection of each of the two or more electrically conductive pins to the medical device circuit assembly mounted within the case, and further wherein the first and third zener diodes are in a back to back configuration and connected between one of the two or more electrically conductive pins and the case using the printed circuit board and the second and third zener diodes are in a back to back configuration and connected between another of the two or more electrically conductive pins and the case using the is printed circuit board. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. A method of providing a feedthrough assembly for an implantable medical device, the implantable medical device having a case with an interior and exterior surface, wherein the implantable medical device includes a medical device circuit assembly mounted within the case, the method comprising:
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positioning at least one electrically conductive pin through an aperture in the case such that the electrically conductive pin includes a first end projecting from the exterior surface of the case and a second end projecting from the interior surface of the case, the electrically conductive pin being insulated from the case; providing a protection circuit assembly including a diode protection circuit mounted on a printed circuit board; and electrically connecting the at least one electrically conductive pin to at least one conductive pin contact region of the printed circuit board; electrically connecting conductive medical device contact regions of the printed circuit board to corresponding conductive regions of medical device circuit assembly; and electrically connecting at least one conductive case contact region of the printed circuit board to the case, wherein the printed circuit board includes conductive traces for electrically connecting the diode protection circuit mounted thereon between the at least one conductive pin contact region and the at least one conductive case contact region. - View Dependent Claims (17, 18, 19, 20)
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21. An implantable medical device comprising:
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a case having an interior and exterior surface; a medical device circuit assembly mounted within the case; at least one electrically conductive pin extending through an aperture in the case such that the electrically conductive pin includes a first end projecting from the exterior surface of the case and a second end projecting from the interior surface of the case, the electrically conductive pin being insulated from the case; and a protection circuit assembly including; a diode protection circuit, and a printed circuit board having the diode protection circuit mounted thereon, wherein the printed circuit board forms at least a part of an electrical conductive path for connection of the at least one electrically conductive pin to the medical device circuit assembly mounted within the case, and further wherein the printed circuit board provides for electrical connection of the diode protection circuit mounted thereon between the at least one electrically conductive pin and the case. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29)
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Specification