Abstract: An illustrative cochlear implant system includes an electrode lead having an array of electrodes, a cochlear implant coupled with the electrode lead and configured to be implanted within a recipient together with the electrode lead, and a processing unit communicatively coupled to the cochlear implant. The processing unit is configured to direct the cochlear implant to apply stimulation to the recipient by way of the array of electrodes. The processing unit is further configured to detect, by way of one or more electrodes included in the array of electrodes, a cortical potential produced by the recipient. Based on the detected cortical potential, the processing unit is configured to determine a fitting parameter associated with the cochlear implant system. Corresponding systems and methods are also disclosed.

Abstract: An example method includes delivering, via an electrical stimulation device, one or more electrical stimulation signals to a patient, sensing one or more stimulation-evoked signals that are evoked by stimulation of nerves or muscles of the patient due to the delivery of the one or more electrical stimulation signals, determining a quality of the one or more stimulation-evoked signals, and outputting, based on the quality of the one or more sensed stimulation-evoked signals being below a quality threshold, one or more instructions to improve the quality of one or more subsequent stimulation-evoked signals.

Abstract: An example method includes delivering one or more electrical stimulation signals to a patient, sensing a composite stimulation-evoked signal comprising a composite of signals generated by one or more signal sources in response to the one or more electrical stimulation signals, and controlling delivery of electrical stimulation therapy to the patient based on the composite stimulation-evoked signal.

Abstract: An illustrative system includes a stimulation device configured to apply stimulation to a recipient, a sensing device configured to detect a physiological condition of the recipient, and a processing unit communicatively coupled to the stimulation device and the sensing device. The processing unit determines a stimulation strategy that is customized to the recipient and includes stimulation frames and stimulation gaps. The processing unit then directs the stimulation device to apply the stimulation to the recipient in accordance with the stimulation strategy by applying the stimulation only during time that corresponds to the stimulation frames. The processing unit also directs the sensing device to detect the physiological condition of the recipient in accordance with the stimulation strategy by detecting only during time that corresponds to the stimulation gaps. Based on the detected physiological condition, the processing unit performs an action.

Abstract: A sacral lead system including a sacral lead configured to for insertion within a sacral foramen of a patient. The sacral lead supports one or more electrodes which may be configured as one or more stimulation electrodes and/or one or more sensing electrodes. The sacral lead is configured to deliver a stimulation signal to a patient using at least one stimulation electrode and sense an evoked signal produced in response to the stimulation signal using at least one sensing electrode. The sacral lead system may be configured to position the at least one stimulation electrode and/or the at least one sensing electrode within, dorsal, or ventral to the sacral foramen. The sacral lead system may include stimulation circuitry configured to generate the stimulation signal and sensing circuitry configured to receive a signal indicative of the evoked signal.

Abstract: An exemplary electrode locating system performs an excitation spread measurement by directing a first electrode to generate an electrical pulse and, in response to the generation of the electrical pulse, detecting a voltage between a second electrode and a reference that are both distinct from the first electrode. The first and second electrodes are included in a plurality of electrodes disposed on an electrode lead included within a cochlear implant system and that comprises a proximal portion configured to be coupled with a cochlear implant and a distal portion configured to be inserted into a cochlea of a patient by way of an insertion procedure. Based on the excitation spread measurement, the electrode locating system determines whether at least one of the first electrode and the second electrode is located within the cochlea. Corresponding methods are also described.

Abstract: An illustrative proximity detection system directs a first electrode of an electrode lead to apply a first pulse and directs a second electrode of the electrode lead to apply a second pulse concurrently with the first pulse so as to form a dipole that generates a field. The first and second electrodes are each configured as stimulating electrodes that apply stimulation to the cochlear tissue when the electrode lead is located at a resting position subsequent to a surgical insertion of the electrode lead into a cochlea of a patient. After the pulses are applied, and based on an energy magnitude of the field that is detected to reflect from cochlear tissue located within the field, the proximity detection system determines a proximity of the electrode lead to the cochlear tissue. Corresponding systems and methods are also disclosed.

Abstract: An example method of delivering electrical stimulation includes obtaining, by an implantable medical device (IMD) connected to a lead carrying a plurality of electrodes, one or more stimulation parameters; and delivering, by the IMD and based on the one or more stimulation parameters, electrical stimulation therapy via the plurality of electrodes, wherein delivering the electrical stimulation therapy comprises scanning delivery of the electrical stimulation therapy through different pairs of electrodes of the plurality of electrodes.

Abstract: A method for assessment of brain signals of a patient includes determining, by one or more processors, a cluster of neural data occurring at a brain of the patient and outputting, by the one or more processors, a request for a user to provide patient state information for the cluster of the neural data in response to determining that the cluster of the neural data is occurring at the brain of the patient. The method further includes associating, by the one or more processors, the patient state information with the cluster of the neural data to generate patient assessment information and outputting, by the one or more processors, the patient assessment information.

Abstract: An illustrative insertion management system may be configured to monitor, during a lead insertion procedure in which an electrode lead having a plurality of electrodes is inserted into a cochlea of a recipient of a cochlear implant, impedance values for a subset of electrodes included in the plurality of electrodes, the subset of electrodes being less than a total number of the plurality of electrodes; detect, during the lead insertion procedure and based on the monitoring, an anomaly in the impedance values; and generate, during the lead insertion procedure and based on the anomaly, translocation log data indicating that a translocation event in which the electrode lead translocates from a first scala of the cochlea to a second scala of the cochlea is about to occur or has occurred during the lead insertion procedure.

Abstract: A stapedius reflex threshold determination system directs a cochlear implant and a loudspeaker to apply a first electro-acoustic stimulation event to a patient, and determines that a first evoked response that occurs within the patient in response to the first electro-acoustic stimulation event has a level within a predetermined threshold amount of a baseline evoked response level. Based on that determination, the system detects that a stapedius reflex within the patient is not triggered. The system also directs the cochlear implant and the loudspeaker to apply a second electro-acoustic stimulation event to the patient, and determines that a second evoked response that occurs within the patient in response to the second electro-acoustic stimulation event has a level at least the predetermined threshold amount lower than the baseline evoked response level. Based on this determination, the system detects that the stapedius reflex within the patient is triggered.

Abstract: An exemplary diagnostic system is configured to direct an acoustic stimulation generator to an acoustic stimulation generator to apply acoustic stimulation having a plurality of stimulus frequencies to a recipient of a cochlear implant during an insertion procedure in which an electrode lead communicatively coupled to the cochlear implant is inserted into a cochlea of the recipient, direct the cochlear implant to use an electrode disposed on the electrode lead to record a plurality of evoked response signals during the insertion procedure, each evoked response signal included in the plurality of evoked response signals corresponding to a different stimulus frequency included in the plurality of stimulus frequencies, and determine, based on an amplitude and a phase of each of one or more evoked response signals included in the plurality of evoked response signals, an insertion state of the electrode lead within the cochlea of the recipient.

Abstract: A system for prioritizing patient information associated with one or more patients of a plurality of patients receiving treatment via respective devices of a plurality of medical devices, the system comprising memory and one or more processors coupled to the memory. The one or more processors are configured to receive patient information from each medical device of the plurality of medical devices and select the patient information from a subset of the plurality of medical devices based on one or more importance attributes associated with the patient information. The one or more processors are further configured to prioritize the selected patient information to generate a list of one or more prioritized patients of the plurality of patients and cause an output of an indication of the patient information for the one or more prioritized patients.

Abstract: A system for selecting a sensitivity level for adjusting an intensity setting for therapy provided to a patient includes one or more processors and one or more processors coupled to the memory. The one or more processors are configured to receive an indication of an input to adjust an intensity setting related to the therapy provided to the patient and determine a sensitivity level for adjustment of the intensity setting based on an efficacy of the therapy provided to the patient. The one or more processors are further configured to determine an updated intensity level for the intensity setting based on the sensitivity level and the input to adjust the intensity setting and output an instruction to cause a medical device to provide the therapy at the updated intensity level.

Abstract: A device comprising memory and processing circuitry coupled to the memory. The processing circuitry is configured to receive patient information for a medical device associated with the patient and select a communication mode for the patient based on the patient information. The processing circuitry is further configured to cause an output of the indication of the patient information using the selected communication mode.

Abstract: An exemplary sound processor within a cochlear implant system directs a cochlear implant to concurrently apply first and second pulses by way of first and second electrodes disposed on an electrode lead configured to be inserted into a cochlea of a patient. The first and second pulses have substantially equal magnitudes and opposite phases such that the application of the first and second pulses forms a dipole that generates a field. The sound processor further directs the cochlear implant to detect, by way of a third electrode disposed on the electrode lead, an energy magnitude of the field that reflects from cochlear tissue located within the field. Based on a difference between the detected energy magnitude of the field and a baseline energy magnitude of the field, the sound processor determines a proximity of the electrode lead to the cochlear tissue. Corresponding systems and methods are also disclosed.

Abstract: An exemplary monitoring system 1) monitors evoked responses that occur in response to acoustic stimulation during an insertion procedure in which a lead that is communicatively coupled to a cochlear implant is inserted into a cochlea of a patient, the monitoring comprising using an intracochlear electrode disposed on the lead to measure a first and a second evoked response at a first and a second insertion depth within the cochlea, the second insertion depth nearer to an apex of the cochlea than the first insertion depth, 2) determines that a change between the first evoked response measured at the first insertion depth and the second evoked response measured at the second insertion depth is greater than a predetermined threshold, and 3) determines, based on the determination that the change is greater than the predetermined threshold, that cochlear trauma has likely occurred at the second insertion depth.

Abstract: An exemplary system includes an electro-acoustic stimulation (“EAS”) sound processor, a cochlear implant communicatively coupled to the EAS sound processor, an electrode array communicatively coupled to the cochlear implant, and a receiver communicatively coupled to the EAS sound processor and configured to be in communication with an ear of a patient. The EAS sound processor 1) directs, while in a self-fitting mode, the receiver to apply acoustic stimulation to the patient, 2) records, using at least one electrode included in the electrode array, an evoked response that occurs in response to the acoustic stimulation, 3) compares the evoked response to a baseline evoked response recorded by the EAS sound processor prior to recording the evoked response, and 4) performs a predetermined action based on the comparison between the evoked response and the baseline evoked response. Corresponding systems and methods are also disclosed.

Abstract: An illustrative system includes a cochlear implant, a lead configured to be inserted into a cochlea of a patient by way of an insertion procedure, a plurality of electrodes disposed on the lead and including an intracochlear electrode and an extracochlear electrode, a probe coupled to the extracochlear electrode, and a processor communicatively coupled with the probe and the cochlear implant. During the insertion procedure, the processor directs the cochlear implant to short the intracochlear and extracochlear electrodes, then detects, by way of the probe and the shorted intracochlear and extracochlear electrodes, evoked responses measured at the intracochlear electrode. The evoked responses include a first evoked response measured at a first insertion depth and a second evoked response measured at a second insertion depth. The processor generates, based on the first and second evoked responses, a notification indicating that cochlear trauma has likely occurred at the second insertion depth.

Abstract: An exemplary sound processor 1) divides an audio signal into M analysis channels, 2) generates M fine structure signals corresponding to the M analysis channels, wherein each fine structure signal included in the M fine structure signals represents fine structure information for a different analysis channel included in the M analysis channels, and 3) selects, based on the M fine structure signals, only N analysis channels included in the M analysis channels for presentation to the patient during a stimulation frame, wherein N is less than M. Corresponding systems and methods are also disclosed.