摘要:
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.
摘要:
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.
摘要:
An implantable medical device includes a controlling device for transmitting a first series of command signals, the controlling device comprising a connector block, a first lead body including at least one electrical lead, and a hermetic encasement. The hermetic encasement includes a housing defining an interior space, an electronic network housed within the interior space and configured to receive the first set of command signals from the controlling device and output a second series of command signals based on the first set of command signals, a first set of one or more feedthrough terminals extending through the housing and directly coupling the electronic network to the connector block, and a second set of one or more feedthrough terminals extending through the housing and directly coupling the electronic network to the first lead body.
摘要:
An implantable medical electrical lead for electrical stimulation of body tissue that includes at least one shape memory polymer portion that has a first configuration and a second configuration, wherein the second configuration is obtained upon exposure of the shape memory polymer portion to a transition stimulus, and wherein the second configuration of the modifiable portion exhibits a greater resistance to movement of the lead within the body tissue than does the first configuration; and at least one electrode configured to provide electrical stimulation of body tissue, wherein the lead has a proximal end and a distal end. Systems and kits as well as methods of utilizing the leads of the invention are also included.
摘要:
A device comprises a medical implant and an actively deployable clip attached to the medical implant that operates to restrict movement of the medical implant once the actively deployable clip is deployed within a body of a patient. In some embodiments, the medical implant is an electrical lead for electrical stimulation. The actively deployable clip is operable to fixate the medical implant to a body tissue once deployed, such that the actively deployable clip performs a similar function to a suture. In this manner, embodiments of the invention may provide a medical implant that requires few or even no sutures to properly fixate the implant within the patient.
摘要:
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.
摘要:
The invention includes an implantable medical electrical lead for electrical stimulation of body tissue that includes at least one modifiable portion that exhibits a first configuration when exposed to a first temperature and a second configuration when exposed to a second temperature, wherein the second configuration of the modifiable portion exhibits a greater resistance to movement of the lead within the body tissue than does the first configuration, and the second temperature is higher than the first temperature; and at least one electrode configured to provide electrical stimulation of body tissue, wherein the lead has a proximal end and a distal end. Systems including leads of the invention and methods of implanting leads of the invention are also included.
摘要:
An automated identification and configuration system for use with an implantable medical device (IMD) is disclosed. The system includes a first communication circuit that is attached to, or otherwise carried by, a detachable component associated with the IMD such as a medical lead. The communication circuit stores data such as model numbers, serial numbers, technical data, and/or calibration information that describes the additional component. This information may be transferred by the first communications circuit to a second communications circuit that is external to the additional component. This transferred data can be used to automatically configure the internal circuitry and connection functions of the IMD to properly interface with, and support, the additional component. For example, the data can be used to automatically adjust amplifier gains or other sensor circuitry, or to configure a connector block to properly couple to the component. The data may further be entered into a patient record on an external programmer, or may be transferred to a central storage location to be generally accessible to health care providers. In one embodiment, the first communication circuit is a passive RF transponder. This first communication circuit may include a receiver as well as a transmitter to allow the circuit to programmably receive data at the time of component manufacture.
摘要:
The invention includes a delivery device for introducing a prosthesis beneath a tissue surface that includes an elongate body having a proximal end and a distal end, an opening on the elongate body, which is at least partially covered by a mesh, and a deployment lumen extending through the body that has a longitudinal axis and a distal end, wherein the distal end of the deployment lumen is positioned proximal of the opening. Also included are delivery systems and kits that include delivery devices of the invention. Further, an overtube for receiving an endoscope, that includes an elongate, flexible tubular body, having a proximal end and a distal end and a longitudinal axis, at least one lumen extending therethrough for receiving an endoscope, an opening on the body, in communication with the lumen, and a tissue limiting surface within the body aligned with the opening, formed at least in part by a mesh. Methods of using the devices, and kits are also included in the invention.
摘要:
The invention includes a implantable medical electrical lead for electrical stimulation of body tissue that includes at least one electrode; a lead body; and at least one modifiable portion, wherein the at least one modifiable portion has a first configuration and a second configuration, wherein the first configuration exists when axial tension is exerted on the at least one modifiable portion, and wherein the second configuration exhibits a greater resistance to movement of the lead within the body tissue than does the first configuration. Kits, and systems and methods of using the lead are also included.