Contactless interconnect for transducers
First Claim
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1. A medical device for implantation within a patient, comprising:
- a lead body comprising a proximal section and at least one solid conductor extending distally within the lead body from the proximal section;
a transducer supported by the lead body for detecting physiological data, wherein the at least one solid conductor extends distally within the lead body from the proximal section to a location proximate the transducer, and further wherein the transducer is electrically coupled to the at least one solid conductor by a conductive fluid so that the at least one solid conductor provides power to the transducer; and
a connector assembly supported by the lead body at the proximal section for connection to an implantable medical device.
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Abstract
A medical device for implantation within a patient comprising a lead body including a conductor within the lead body and a transducer supported by the lead body. The conductor is electrically coupled to the transducer by a conductive fluid, paste or gel. The conductive fluid, paste or gel may be contained within a well in the lead body. The transducer may be a MEMS chip and/or an integrated circuit and may perform any of a variety of functions such as sensing physiological data.
37 Citations
24 Claims
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1. A medical device for implantation within a patient, comprising:
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a lead body comprising a proximal section and at least one solid conductor extending distally within the lead body from the proximal section; a transducer supported by the lead body for detecting physiological data, wherein the at least one solid conductor extends distally within the lead body from the proximal section to a location proximate the transducer, and further wherein the transducer is electrically coupled to the at least one solid conductor by a conductive fluid so that the at least one solid conductor provides power to the transducer; and a connector assembly supported by the lead body at the proximal section for connection to an implantable medical device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A lead for an implantable medical device for implantation within a patient comprising:
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a lead body comprising a proximal section and a solid conductor extending distally within the lead body from the proximal section; and a transducer supported by the lead body for detecting physiological data, wherein the solid conductor extends distally within the lead body from the proximal section to a location proximate the transducer, and further wherein the transducer is media-exposed when in an implant environment within the patient and is electrically coupled to the solid conductor using a conductive fluid, wherein the conductive fluid comprises at least one of a liquid, a paste, and a gel. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. A medical device for implantation within a patient comprising:
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a lead body comprising a proximal section, a supportive backbone, and a well; a solid conductor extending distally from the proximal section to the well, wherein the solid conductor is positioned within and passes through the well; a transducer for detecting physiological data, wherein the transducer comprises an electrically conductive interface pad located within the well, and further wherein the transducer senses parameter data and provides an electrical signal representative of the sensed parameter data to the interface pad; and a conductive fluid filling at least part of the well and electrically coupling the solid conductor and the electrically conductive interface pad. - View Dependent Claims (18, 19, 20, 21, 22, 23)
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24. A lead for an implantable medical device for implantation within a patient comprising:
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a lead body comprising a proximal section; a transducer supported by the lead body, wherein the transducer is located distally from the proximal section of the lead body, wherein at least a portion of the transducer is media-exposed when in an implant environment within the patient; a first solid conductor extending distally within the lead body from the proximal section to a location proximate the transducer, wherein the transducer is electrically coupled to the first solid conductor using a conductive fluid, wherein the conductive fluid comprises at least one of a liquid, a paste, and a gel; and a second solid conductor extending distally within the lead body from the proximal section to the transducer, wherein the transducer is electrically coupled to the second solid conductor.
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Specification