A novel implantable device to reliably record and transmit physiological signals from a subject was described. Design of the device to capture the signals, compress them, transmit via multiple techniques and to interpret the data are shown. Furthermore, the design and operation of the device in a typical setting are taught and the resulting implementation is presented.

Embodiments of the disclosure include systems and methods for obtaining high-resolution data from implantable medical devices (IMDs) by triggering a limited-time system behavior change. For example, embodiments include utilizing study prescriptions for batching data obtained by an IMD, communicating the batched data to an external device, and reconstructing the batched data at the external device. Study prescriptions refer to sets of instructions, conditions, protocols, and/or the like, that specify one or more of an information gathering scheme and a communication scheme, and may be configured, for example, to obtain information at a resolution sufficient for performing a certain analysis (e.g., associated with a diagnostic model), while managing the resulting impact to device longevity and/or performance.

Systems and methods for monitoring patients with respiratory diseases are described. A system may include a sensor circuit configured to sense one or more physiological signals indicative of respiratory sounds, and a spectral analyzer to generate first and second spectral contents at respective first and second frequency bands. The system may produce a respiratory anomaly indicator using the first and second spectral contents, or additionally with other physiological parameters. The system may detect an onset or progression of a target respiratory condition such as asthma or chronic obstructive pulmonary disease using the respiratory anomaly indicator, or to trigger or adjust a therapy.

Medical apparatus includes an elongate probe for insertion into a body of a patient. The probe includes an ablation element and an acoustic transducer disposed at a distal end of the probe. An array of acoustic sensors is placed over the body. While the distal end of the probe is positioned in a target location in the body, a control unit drives the acoustic transducer in a training phase to emit an acoustic signal, receives electrical signals from the acoustic sensors in response to the acoustical signal, and processes the electrical signals so as to derive a phase profile focused at the target location. In an operational phase, the control unit drives the ablation element to ablate tissue in the body at the target location, and receives and filters the electrical signals from the acoustic sensors using the phase profile so as to detect acoustical activity at the target location.

A device and method for verifying the proper position of catheters in the body by means of acoustic reflectometry, the device including a sound source, one or more sound receivers, a tube with compliant walls and open distal end to be introduced through an entrance to a body cavity, the sound source and receiver(s) coupled to the proximal end of the tube, a processor for causing the sound source to generate an acoustic excitation signal, the processor processing the acoustic signals sensed by the sound receiver(s) and generating an approximation of the acoustic impulse response of the tube, and the processor analyzing the acoustic impulse response to determine the position of the tube in the body cavity.

Systems and methods for monitoring patients with respiratory diseases are described. A system may include a sensor circuit to sense a respiration signal and at least one hemodynamic signal. The system may detect a specified respiratory phase from the respiration signal, and generate from the hemodynamic signal one or more signal metrics that are correlative to at least one of a systolic blood pressure, a blood volume, or a cardiac dimension. The system may detect a restrictive or obstructive respiratory condition when the hemodynamic signal metric indicates hemodynamic deterioration during a specified respiratory phase. The system may additionally classify the detected restrictive or obstructive respiratory condition into one of two or more categories, and deliver a therapy based on the detection or the classification.

An implantable pacemaker is configured to provide electrical pacing pulses to the heart of a patient. The pacemaker has a pulse generator configured to generate the electrical pacing pulses, at least one pacing electrode to apply the electrical pacing pulses to the heart, a sensing unit configured to sense events of electrical activity of a ventricle of the heart, a sensor configured to measure a signal relating to the patient, and a memory configured to store values of a parameter. The pacemaker is configured to be operated in a first mode to generate a reference curve and to select a target range of values of the parameter corresponding to a desired range of atrioventricular delays. The pacemaker is further configured to be operated in a second mode for approaching the target range.

A system and method of diagnosing sleep apnea including an implantable device with a sensor, a telemetry circuit and a memory, an external programmer in communication with the telemetry circuit and configured to receive data collected by the sensor and stored in the memory. The system and method include operation of a server, including a processor, in communication with the external programmer and storing an application including instructions that when executed by the processor executes steps of receiving the data collected by the sensor from the external programmer, analyzing the received data collected by the sensor, and transmitting to a remote computer an assessment of the received sensor data, wherein the assessment includes an evaluation of sleep apnea for the patient.

A medical device system and method are disclosed for treating obstructive sleep apnea. The system includes a pulse generator and a medical electrical lead including multiple electrodes carried by a distal portion of an elongated lead body. The method includes advancing the distal portion within protrusor muscle tissue below the oral cavity and delivering electrical stimulation pulses via the electrodes to sustain a protruded state throughout a delivery time period to sustain a protruded state of a patient's tongue throughout the therapy delivery time period. The therapy delivery time period may span multiple respiration cycles.

An implantable neurostimulator system including an electrical lead having formed thereon a pair of bipolar electrodes, the electrical lead is configured for placement of the pair of bipolar electrodes proximate protrusor muscles of a patient. The system also includes a pulse generator electrically connected to the electrical lead and configured to deliver electrical energy to the pair of bipolar electrodes, the pulse generator having mounted therein a sensor configured to detect one or more physiological parameters, a memory, a control circuit, and a telemetry circuit. The system also including a communications telemetry module (CTM) in communication with the telemetry circuit and configured to receive a data collected by the sensor and data related to delivery of electrical energy to the bipolar electrodes, and an external programmer in communication with the CTM and configured to display a user interface the data collected by the sensor and data related to delivery of electrical energy to the bipolar electrodes.