Atraumatic sensor lead assemblies
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Accused Products
Abstract
The invention is directed to lead configurations for sensors that allow for less invasive sensor replacement procedures. In one configuration, a sensor lead assembly includes an outer lead body and an inner lead including a sensor such as an electrochemical glucose sensor. The inner lead can be positioned in an inner conduit of the outer lead body. The outer lead body may be substantially permanently implanted in the patient, and the inner lead can be implanted through the inner conduit of the outer lead body. Once the sensor of the inner lead has worn out or otherwise exhausted its useful life, the inner lead can be removed, and a new inner lead can be implanted in place of the old inner lead.
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Citations
66 Claims
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1-40. -40. (Cancelled)
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41. An implantable assembly, comprising:
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an implantable medical device housing including a channel having a first opening, a second opening, and an electrical contact housed within the channel between the first opening and the second opening;
an outer lead body including a proximal end, a distal end, and a conduit extending from the proximal end to the distal end; and
an inner lead including a first end, a second end, a plurality of sensors, and a plurality of electrical contacts;
the plurality of sensors being positioned in proximity to the second end of the inner lead and electrically coupled to corresponding electrical contacts of the inner lead and the plurality of electrical contacts of the inner lead being positioned in proximity to the first end;
wherein the first opening of the channel is adapted for mechanical engagement of the proximal end of the outer lead body and both the first opening and the second opening of the channel are adapted for passage of the inner lead through the channel. - View Dependent Claims (42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55)
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56. An implantable assembly, comprising:
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an implantable medical device housing including a repositioning structure, and a channel within the connector module having an opening, and an electrical contact being housed within the channel proximal to the opening;
an outer lead body including a proximal end, a distal end, and a conduit extending from the proximal end to the distal end; and
an inner lead including a first end, a second end, a plurality of sensors, and a plurality of electrical contacts;
the plurality of sensors being positioned in proximity to the second end of the inner lead and electrically coupled to corresponding electrical contacts of the inner lead and the plurality of electrical contacts of the inner lead being positioned in proximity to the first end;
wherein the opening of the channel is adapted for mechanical engagement of the proximal end of the outer lead body and for passage of the inner lead into the channel; and
the first end of the inner lead engages the repositioning structure when positioned within the channel. - View Dependent Claims (57, 58, 59, 60, 61, 62, 63)
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64. An implantable lead, comprising:
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a sealing ring;
a first end formed by the sealing ring, and a second end;
a plurality of sensors positioned in proximity to the second end;
a plurality of electrical contacts positioned in proximity to, and distal to the sealing ring;
whereinthe plurality of sensors are electrically coupled to corresponding electrical contacts. - View Dependent Claims (65, 66)
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Specification