Abstract: Methods and apparatus for storing data records associated with a medical monitoring event in a data structure. These include initiating loop recording in an implantable medical device upon determination of a neurological event, wherein loop recording comprises storing a data record of a plurality of data records in a data structure, the plurality of data records representing information about determined neurological events. Methods and apparatus can further include determining a priority index for the plurality of data records based on severity levels of the determined neurological events and replacing older data records of the plurality of data records on the data structure with new data records according to the priority index, wherein the new data records selectively replace those data records in the data structure having the lowest associated priority index.

Abstract: Various embodiments concern reprogramming an implantable medical device by an external programmer to operate using a second program version, the second program version replacing a first program version in controlling operation of the implantable medical device. It can be determined whether the implantable medical device will be able to operate using the first program version to deliver therapy according to the first program version if the implantable medical device was to revert back to using the first program version. The implantable medical device can then revert to operational programming from the second program version to the first program version, the first program version saved in memory of the implantable medical device as a restore point while the implantable medical device operates according to the second program version between the reprogramming and reverting of the implantable medical device.

Abstract: Methods and apparatus for storing data records associated with a medical monitoring event in a data structure. These include initiating loop recording in an implantable medical device upon determination of a neurological event, wherein loop recording comprises storing a data record of a plurality of data records in a data structure, the plurality of data records representing information about determined neurological events. Methods and apparatus can further include determining a priority index for the plurality of data records based on severity levels of the determined neurological events and replacing older data records of the plurality of data records on the data structure with new data records according to the priority index, wherein the new data records selectively replace those data records in the data structure having the lowest associated priority index.

Abstract: Systems and methods for detecting and/or treating nervous system disorders, such as seizures. Certain embodiments of the invention relate generally to implantable medical devices (IMDs) adapted to detect and treat nervous system disorders in patients with an IMD. Certain embodiments of the invention include detection of seizures based upon comparisons of long-term and short-term representations of physiological signals. Further embodiments of the invention include preparing for the delivery of therapy by warming up therapy delivery components prior to the expected delivery of therapy.

Abstract: Methods and apparatus for storing data records associated with a medical monitoring event in a data structure. An implanted device obtains data and stores the data in the data record in a first data structure that is age-based. Before an oldest data record is lost, the oldest data record may be stored in a second data structure that is priority index-based. The priority index may be determined by a severity level and may be further determined by associated factors. The implanted device may organize, off-load, report, and/or display a plurality of data records based on an associated priority index. Additionally, the implanted device may select a subset or composite of physiologic channels from the available physiologic channels based on a selection criterion.

Abstract: An apparatus including a processor configured to selectively load a first operating system that controls general purpose computer functionality of the apparatus; and a second operating system different from the first operating system. The second operating system controls medical device programming functionality of the apparatus, enabling the apparatus to program a medical device including at least one implantable component.

Abstract: Techniques for testing integrity of various elements of implantable medical device systems are described. Some embodiments automatically test the integrity of one or more system elements in response to detecting an event. Examples of events in response to which an integrity test may be performed include the patient being within a target activity state, a symptomatic event experienced by a patient, an external impact on the patient that exceeds a damage threshold, or an indication that the patient is receiving inappropriate therapy. Some embodiments automatically test integrity in response to failure to autonomously detect an event, which may be indicated by input from a patient. An implantable lead carrying electrodes or a therapeutic substance delivery element, such as a catheter, are examples of system elements for which integrity may be tested in some embodiments.

Abstract: In some aspects, systems, devices, and techniques for programming a medical fluid delivery device are described. In one example, the disclosure relates to a system including a medical fluid delivery device configured to deliver a therapeutic agent to a patient, and a processor. The processor may be configured to receive a proposed therapy dosing program that defines a fluid therapy for delivery to a patient via a medical fluid delivery device for a first period of time, determine a total dosage over a second period of time, where the second period of time at least partially overlaps the first period of time, and compare the total dosage over the second period of time to a reference dosage.

Abstract: Methods and apparatus for storing data records associated with a medical monitoring event in a data structure. An implanted device obtains data and stores the data in the data record in a first data structure that is age-based. Before an oldest data record is lost, the oldest data record may be stored in a second data structure that is priority index-based. The priority index may be determined by a severity level and may be further determined by associated factors. The implanted device may organize, off-load, report, and/or display a plurality of data records based on an associated priority index. Additionally, the implanted device may select a subset or composite of physiologic channels from the available physiologic channels based on a selection criterion.

Abstract: Methods and apparatus for storing data records associated with a medical monitoring event in a data structure. These include initiating loop recording in an implantable medical device upon determination of a neurological event, wherein loop recording comprises storing a data record of a plurality of data records in a data structure, the plurality of data records representing information about determined neurological events. Methods and apparatus can further include determining a priority index for the plurality of data records based on severity levels of the determined neurological events and replacing older data records of the plurality of data records on the data structure with new data records according to the priority index, wherein the new data records selectively replace those data records in the data structure having the lowest associated priority index.

Abstract: Systems and methods for detecting and/or treating nervous system disorders, such as seizures. Certain embodiments of the invention relate generally to implantable medical devices (IMDs) adapted to detect and treat nervous system disorders in patients with an IMD. Certain embodiments of the invention include detection of seizures based upon comparisons of long-term and short-term representations of physiological signals. Other embodiments include prediction of seizure activity based upon analysis of physiological signal levels. An embodiment of the invention monitors the quality of physiological signals, and may be able to compensate for signals of low signal quality. A further embodiment of the invention includes detection of seizure activity following the delivery of therapy.

Abstract: Methods and apparatus for storing data records associated with a medical monitoring event in a data structure. Upon detection of a possible occurrence of a physiological event by one group of monitoring elements, an implanted device records data received from another group of monitoring elements. The implanted device obtains and stores the data in the data record in a first data structure that is age-based. Before an oldest data record is lost, the oldest data record may be stored in a second data structure that is priority index-based. The priority index may be determined by a severity level and may be further determined by associated factors. The implanted device may organize, off-load, report, and/or display a plurality of data records based on an associated priority index. Additionally, the implanted device may select a subset or composite of physiologic channels from the available physiologic channels based on a selection criterion.

Abstract: Systems and methods for detecting and/or treating nervous system disorders, such as seizures. Certain embodiments of the invention relate generally to implantable medical devices (IMDs) adapted to detect and treat nervous system disorders in patients with an IMD. Certain embodiments of the invention include detection of seizures based upon comparisons of long-term and short-term representations of physiological signals. Further embodiments of the invention include preparing for the delivery of therapy by warming up therapy delivery components prior to the expected delivery of therapy.

Abstract: Apparatus for storing data records associated with a medical monitoring event in a data structure. Upon indication by a patient of a possible manifestation of a neurological event, the implanted device obtains and stores data in the data record in a first data structure that is age-based. Before an oldest data record is lost, the oldest data record may be stored in a second data structure that is priority index-based. The priority index may be determined by a severity level and may be further determined by associated factors. The implanted device may organize, off-load, report, and/or display a plurality of data records based on an associated priority index. Additionally, the implanted device may select a subset or composite of physiologic channels from the available physiologic channels based on a selection criterion.

Abstract: The disclosure relates to a system that displays posture state information, physiological conditions of a patient on an avatar or other graphical representation of a human body, and therapy parameter information to facilitate the programming of therapy that is delivered to a patient. In some examples, the system may include an implantable medical device (IMD) that delivers therapy to a patient and incorporates a posture state module that detects a posture state engaged by the patient to determine the therapy delivered to the patient. An external programming device may communicate with the IMD, e.g., in real-time, to display the posture state of the patient as well as therapy parameters and physiological conditions associated with the posture state of the patient. The external programming device may receive adjustment input from the clinician to adjust one or more therapy parameters for therapy delivered to a patient in a specific posture state.

Abstract: Systems and methods for detecting and/or treating nervous system disorders, such as seizures. Certain embodiments of the invention relate generally to implantable medical devices (IMDs) adapted to detect and treat nervous system disorders in patients with an IMD. Certain embodiments of the invention include detection of seizures based upon comparisons of long-term and short-term representations of physiological signals. Further embodiments of the invention include preparing for the delivery of therapy by warming up therapy delivery components prior to the expected delivery of therapy.

Abstract: Methods for receiving a patient mark in an implanted device. A patient may experience symptoms that indicative of a neurological event or are common precursors to more severe clinical symptoms. The patient may activate a patient activator. Activation of the patient activator can cause the patient activator to transmit the patient mark to an implanted device. The implanted device may adjust physiological data being stored in response to the patient mark, including data before and after the patient mark. The patient mark may be used to time tune the detection algorithms and otherwise tune the detection capability of the implanted device and may also be used as an aid in statistical analysis of the stored physiological data.

Abstract: An expiration time of a therapeutic fluid delivered by an implantable fluid delivery device is employed to calculate a fill volume and determine a refill interval for the fluid. The expiration time of the therapeutic fluid may be based on or dictated by a stability time set by the manufacturer of the therapeutic fluid, a clinician treating a patient to whom the fluid is to be delivered, the manufacturer of the device delivering the fluid, or combinations thereof.

Abstract: Methods for receiving a patient mark in an implanted device. A patient may experience symptoms that indicative of a neurological event or are common precursors to more severe clinical symptoms. The patient may activate a patient activator. Activation of the patient activator can cause the patient activator to transmit the patient mark to an implanted device. The implanted device may adjust physiological data being stored in response to the patient mark, including data before and after the patient mark. The patient mark may be used to fine tune the detection algorithms and otherwise tune the detection capability of the implanted device and may also be used as an aid in statistical analysis of the stored physiological data.

Abstract: Techniques for increasing the safety of medical device programming using general purpose hardware, such as a general purpose personal computer, are described. In some embodiments, a system includes an intermediate computing device comprising an applications module. Information from the applications module, such as instructions for an implantable medical device (IMD), may be presented to a user via a user input terminal that is separate from the intermediate computing device. A user may interact with the user input terminal to select an instruction from the applications module, and the intermediate computing device may transmit the selected instruction to the IMD. In some embodiments, the intermediate computing device comprises a web server and the user input terminal comprises a web browser configured to access the web server. In other embodiments, the intermediate computing device comprises a client server and the user input terminal comprises a client.