Header block for an AIMD with an abandoned lead connector cavity
First Claim
1. A header connector block attachable to a housing of an active implantable medical device, the header connector block comprising:
- a) a header block body;
b) at least one active connector cavity located within the header block body, wherein the active connector cavity is configured to be electrically connectable to an implantable lead of an active implantable medical device;
c) at least one abandoned connector cavity located within the header block body, wherein the abandoned connector cavity is configured to be electrically connectable to an abandoned implanted lead;
d) a first conductive leadwire disposed within the header block body, the first header block leadwire extending from a first leadwire proximal end to a first leadwire distal end, wherein the first header block leadwire distal end is electrically connected to the at least one active connector cavity and the first header block leadwire proximal end is electrically connectable to a conductive feedthrough of a hermetic terminal of an active implantable medical device; and
e) a second conductive leadwire disposed within the header block body, the second header block leadwire extending from a second leadwire proximal end to a second leadwire distal end, wherein the second header block leadwire distal end is electrically connected to the at least one abandoned connector cavity and the second header block leadwire proximal end is electrically groundable to a housing for the active implantable medical device.
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0 Petitions
Accused Products
Abstract
A header for an active implantable medical device includes a header block body and at least one active connector cavity configured to be attachable to an active lead. A first conductive leadwire has a first and second end, where the first end of the first conductive leadwire is electrically connected to the at least one active connector cavity and the second end of the first conductive leadwire is connectable to a hermetic terminal of the active implantable medical device. At least one abandoned connector cavity is located within the header block body configured to attachable to an abandoned lead. A second conductive leadwire has a first and second end, where the first end of the second conductive leadwire is electrically connected to the at least one abandoned connector cavity and the second end of the second conductive leadwire is connectable to the active implantable medical device housing.
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Citations
21 Claims
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1. A header connector block attachable to a housing of an active implantable medical device, the header connector block comprising:
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a) a header block body; b) at least one active connector cavity located within the header block body, wherein the active connector cavity is configured to be electrically connectable to an implantable lead of an active implantable medical device; c) at least one abandoned connector cavity located within the header block body, wherein the abandoned connector cavity is configured to be electrically connectable to an abandoned implanted lead; d) a first conductive leadwire disposed within the header block body, the first header block leadwire extending from a first leadwire proximal end to a first leadwire distal end, wherein the first header block leadwire distal end is electrically connected to the at least one active connector cavity and the first header block leadwire proximal end is electrically connectable to a conductive feedthrough of a hermetic terminal of an active implantable medical device; and e) a second conductive leadwire disposed within the header block body, the second header block leadwire extending from a second leadwire proximal end to a second leadwire distal end, wherein the second header block leadwire distal end is electrically connected to the at least one abandoned connector cavity and the second header block leadwire proximal end is electrically groundable to a housing for the active implantable medical device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. An active implantable medical device, comprising:
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a) an active implantable medical device housing including a hermetic terminal, the hermetic terminal comprising; i) a hermetic seal supported by and electrically coupled to the device housing; and ii) a conductive feedthrough passing through the hermetic seal so that the conductive feedthrough is in a non-conductive relation with the device housing; and b) a header block body attached to the device housing; c) at least one active connector cavity located within the header block body, wherein the active connector cavity is configured to be electrically connectable to an implantable lead of an active implantable medical device; d) at least one abandoned connector cavity located within the header block body, wherein the abandoned connector cavity is configured to be connectable to an abandoned implanted lead; e) a first conductive leadwire disposed within the header block body, the first header block leadwire extending from a first leadwire proximal end to a first leadwire distal end, wherein the first header block leadwire distal end is electrically connected to the at least one active connector cavity and the first header block leadwire proximal end is electrically connected to the at least one conductive feedthrough of the hermetic terminal; and f) a second conductive leadwire disposed within the header block body, the second header block leadwire extending from a second leadwire proximal end to a second leadwire distal end, wherein the second header block leadwire distal end is electrically connected to the abandoned connector cavity and the second header block leadwire proximal end is electrically groundable to the hermetic seal or to the housing for the medical device. - View Dependent Claims (16)
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17. An active implantable medical device, comprising:
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a) an active implantable medical device housing including at least one hermetic terminal, the hermetic terminal comprising; i) a hermetic seal supported by and electrically coupled to the device housing; and ii) at least two conductive feedthrough passing through the hermetic seal so that the conductive feedthroughs are in a non-conductive relation with the device housing; and b) a header block body attached to the device housing; c) at least one active connector cavity located within the header block body, wherein the active connector cavity is configured to be electrically connectable to an implantable lead of an active implantable medical device; d) at least one abandoned connector cavity located within the header block body, wherein the abandoned connector cavity is configured to be connectable to an abandoned implanted lead; e) a first conductive leadwire disposed within the header block body, the first header block leadwire extending from a first leadwire proximal end to a first leadwire distal end, wherein the first header block leadwire distal end is electrically connected to the at least one active connector cavity and the first header block leadwire proximal end is electrically connected to a first one of the conductive feedthroughs of the hermetic terminal; f) a second conductive leadwire disposed within the header block body, the second header block leadwire extending from a second leadwire proximal end to a second leadwire distal end, wherein the second header block leadwire distal end is electrically connected to the at least one abandoned connector cavity and the second header block leadwire proximal end is electrically connected to a second one of the conductive feedthroughs of the hermetic terminal; and g) a diverter circuit disposed inside the device housing, the diverter circuit comprising a diverter circuit first end and a diverter circuit second end, wherein the diverter circuit first end is electrically switchable between the first and second conductive feedthroughs of the hermetic terminal and the diverter circuit second end is electrically grounded to the device housing. - View Dependent Claims (18, 19)
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20. An abandoned implanted lead header attachable to an active implantable medical device housing, the abandoned implanted lead header comprising:
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a) a header block body; b) at least one abandoned connector cavity located within the header block body, wherein the abandoned connector cavity is configured to be electrically connectable to an abandoned implanted lead; c) a conductive clip attached to the header block body, wherein the conductive clip is configured to tightly slip onto a housing for an implantable medical device; and d) a conductive leadwire disposed within the header block body, the header block leadwire extending from a leadwire proximal end to a leadwire distal end, wherein the header block leadwire distal end is electrically connected to the at least one abandoned connector cavity and the header block leadwire proximal end is electrically connected to the conductive clip, e) so that when an abandoned lead is electrically connected to the abandoned connector cavity in the header block body and the conductive clip is attached to the device housing, the header block leadwire proximal end electrically connected to the conducive clip provides for shunting of MRI RF energy from the abandoned lead to the device housing. - View Dependent Claims (21)
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Specification