Abstract: Implantable medical device for stimulating a human or animal heart comprises a processor, a memory unit, a stimulation unit configured to stimulate a cardiac region of a heart, a detection unit configured to detect an electrical signal of the same heart, and a temperature sensor for sensing a body temperature. In operation, the device performs the following steps: a) causing the temperature sensor to repeatedly sense a body temperature of a person to whom the implantable medical device is implanted: b) storing body temperature values obtained in step a) in the memory unit; c) performing a statistical analysis on at least a subset of the stored body temperature values to calculate at least one of a body temperature reference value, a variation of the sensed body temperature values and a variability of the sensed body temperature values; and d) performing at least one defined task with the calculated values.

Abstract: A system for generating an alert for a systemic infection of a patient comprises an implantable medical device configured to measure a measurement parameter indicative of the heart rate at rest of the patient, and a remote monitoring system configured to receive information from the implantable medical device. A module is configured to analyze information relating to said measurement parameter indicative of the heart rate at rest of the patient to generate an alert signal for a systemic infection of the patient based on a state of the heart rate at rest.

Abstract: An active medical device, comprising a processor, a memory unit, and at least one of an accelerometer and a detection unit configured to detect a body impedance. During operation, the active medical device carries out the following steps a) measuring a body impedance of a patient with the detection unit during a first period of time to obtain time-dependent impedance data and calculating a power spectral density of the impedance data; b) alternatively or additionally, to step a), measuring an acceleration of a body of the patient with the accelerometer during the first period of time to obtain time-dependent acceleration data and calculating a power spectral density of the acceleration data; c) identifying coughing of the patient on the basis of the calculated power spectral density if at least 1% of all values of the power spectral density have a frequency of at least 1 Hz.

Abstract: A leadless pacemaker device configured to provide for an intra-cardiac pacing, including: processing circuitry configured to generate ventricular pacing signals for stimulating ventricular, and a reception device for receiving a sensing signal indicative of an atrial activity, wherein the processing circuitry is configured to detect an atrial event derived from said sensing signal, wherein the atrial event is a valid atrial sense event, where a series of atrial events lie within a range for a normal atrial rate, and/or when the atrial rate variability is within a certain range indicating a regular atrial rhythm, wherein in case a valid atrial sense event is detected, the processing circuitry is further configured to: determine: ventricular pacing events according to atrial events, calculate ventricular-atrial time delays, determine a correction value based a measured time delay and the calculated time delay, and adjust the ventricular pacing timing based on the correction value.

Abstract: An implantable medical device includes a housing having a proximal end and a distal end. The implantable medical device is placeable on cardiac tissue in the region of the distal end. An anchoring device is fixedly attached to the housing in the region of the distal end. The anchoring device includes at least one anchoring member. The at least one anchoring member includes a first end and a second end opposite the first end. The second end is disposed on the housing. The at least one anchoring member longitudinally extends between the first end and the second end along an axis of extension and is formed by a flat strip which is twisted by a twist angle about the axis of extension between the first end and the second end. A method for manufacturing an implantable medical device is also provided.

Abstract: A leadless pacemaker device for providing an intra-cardiac pacing includes processing circuitry configured to generate ventricular pacing signals for stimulating ventricular activity at a ventricular pacing rate, a first sensor configuration receiving a first sense signal, and a second sensor configuration receiving a second sense signal. The processing circuitry derives, in a first sensing state, atrial events from the first sense signal for controlling the ventricular pacing rate based on the atrial events. The processing circuitry switches, based on at least one switching criterion, from the first sensing state to a second sensing state in which the processing circuitry derives atrial events from the second sense signal. The second sense signal is received by the second sensor configuration for detection of atrial events and the second sensor configuration is a motion sensor or a sound sensor. A method for operating the pacemaker device is also provided.

Abstract: A method for arrhythmia detection within a heart signal of a patient, wherein the method is executed by a processor and comprises steps of: providing an input signal which refers to the heart signal of the patient, wherein the input signal comprises cardiac events and noise events, wherein the cardiac events are related to cardiac activity of interest of the heart of the patient, and wherein the noise events are not related to cardiac activity of interest of the heart; determining the cardiac events from the input signal in an arrhythmia detection window; evaluating the arrhythmia detection window by taking into account at least one of: (i) at least one noise event occurring before a start of the arrhythmia detection window, or (ii) at least one noise event occurring after an end of the arrhythmia detection window. Also, a device for arrhythmia detection is provided.

Abstract: An implantable medical device comprises a housing having a proximal end and a distal end, an electrode device arranged in the region of the distal end, and an anchoring device fixedly attached to the housing in the region of the distal end. The anchoring device comprises at least one anchoring member having a pre-shaped first configuration, the at least one anchoring member being deflectable from the pre-shaped first configuration into a strained second configuration for placement of the implantable medical device on an object. The at least one anchoring member comprises a tip section and a connection section extending in between the tip section and the distal end of the housing, wherein at least in the pre-shaped first configuration the tip section comprises a straight portion adjoining the connection section at a transition location by forming a bend in between the straight portion and the connection section.

Abstract: A method for adjusting parameters of a medical device includes collecting patient data by using the medical device, in which the medical device includes programmable parameters for affecting a function carried out by the medical device, transmitting the patient data to an external device, conducting an analysis of the transmitted patient data by using the external device, and providing an automatically computed proposal for adjusting at least one parameter, several parameters or all of the parameters based on the analysis. A corresponding system is also provided.

Abstract: A medical implant system, comprising: an implant that is implantable into a patient, and a catheter configured for explanting the implant. The catheter and/or the implant is/are configured to measure a distance (D) between a tip of the catheter and the implant. The system is configured to generate an output signal indicative of said distance (D). In another embodiment, the system comprises a sensor element which is configured to measure at least one physical quantity indicative of a local anatomical environment of the implant. Also, methods for recapturing and/or explanting an implanted implant are provided.

Abstract: ECG data is analyzed by detecting points in the ECG data which represent ventricular activity; measuring time intervals between each two consecutive points in the ECG data which represent ventricular activity; and then within a set of such time intervals, evaluating the time intervals by computing at least one comparative dimension for at least one time interval subset. The time interval subset includes at least two time intervals, and the comparative dimension represents variations between the interval lengths between the time intervals of the time interval subset.

Abstract: An implantable medical device including a data communication device that includes a device to alter and/or generate an oscillatory electric field imposed on body tissue surrounding the implantable medical device when the implantable medical device is in its implanted state. The device that alters an oscillatory electric field modulates an impedance of body tissue surrounding the implantable medical device when the implantable medical device is in its implanted state and within an oscillatory electric field. The device that alters an oscillatory electric field includes a device that generates an oscillatory electric field that is phase-synchronized with an oscillatory electric field imposed on body tissue surrounding the implantable medical device when the implantable medical device is in its implanted state.

Abstract: ECG data is analyzed by detecting points in the ECG data which represent ventricular activity; measuring time intervals between each two consecutive points in the ECG data which represent ventricular activity; and then within a set of such time intervals, evaluating the time intervals by computing at least one comparative dimension for at least one time interval subset. The time interval subset includes at least two time intervals, and the comparative dimension represents variations between the interval lengths between the time intervals of the time interval subset.

Abstract: An implantable medical device including a data communication device that includes a device to alter and/or generate an oscillatory electric field imposed on body tissue surrounding the implantable medical device when the implantable medical device is in its implanted state. The device that alters an oscillatory electric field modulates an impedance of body tissue surrounding the implantable medical device when the implantable medical device is in its implanted state and within an oscillatory electric field. The device that alters an oscillatory electric field includes a device that generates an oscillatory electric field that is phase-synchronized with an oscillatory electric field imposed on body tissue surrounding the implantable medical device when the implantable medical device is in its implanted state.

Abstract: A cardiac device and method thereof for detecting atrial fibrillation within a mean heart signal of a body, wherein the cardiac device includes at least two sensing electrodes. The method includes providing an input heart signal, detecting sense events (VS) and noise events (VN), and generating further noise events (VN) each at a predetermined time interval after a noise event (VN) has been detected and when the noise event (VN) continues. The method includes incrementing a noise counter for each noise event (VN) and each further noise event (VN), and terminating the detection of atrial fibrillation when the noise counter reaches a predetermined limit.

Abstract: A medical implant, a catheter, and a system including a medical implant and a catheter, where the catheter is used to position the medical implant and to reposition or explant the medical implant.

Abstract: An implantable medical device including a data communication device that includes a device to alter and/or generate an oscillatory electric field imposed on body tissue surrounding the implantable medical device when the implantable medical device is in its implanted state. The device that alters an oscillatory electric field modulates an impedance of body tissue surrounding the implantable medical device when the implantable medical device is in its implanted state and within an oscillatory electric field. The device that alters an oscillatory electric field includes a device that generates an oscillatory electric field that is phase-synchronized with an oscillatory electric field imposed on body tissue surrounding the implantable medical device when the implantable medical device is in its implanted state.

Abstract: A cardiac device and method thereof for detecting atrial fibrillation within a mean heart signal of a body, wherein the cardiac device includes at least two sensing electrodes. The method includes providing an input heart signal, detecting sense events (VS) and noise events (VN), and generating further noise events (VN) each at a predetermined time interval after a noise event (VN) has been detected and when the noise event (VN) continues. The method includes incrementing a noise counter for each noise event (VN) and each further noise event (VN), and terminating the detection of atrial fibrillation when the noise counter reaches a predetermined limit.

Abstract: A cardiac device and method for detecting QRS signals within a composite heart signal of a body including providing at least two input heart signals via at least two separate input channels, wherein each of the at least two input heart signals is recorded by pairs of sensing electrodes that have one electrode in common and provided coincidental in time. The cardiac device and method include generating estimated signals from the input heart signals, combining the input heart signals and the estimated signals to a combined input stream (SECG), and detecting the QRS signal by comparing the combined input stream (SECG) to an adaptive detection threshold (ATHR) which adapts throughout time.

Abstract: A cardiac device and method for detecting QRS signals within a composite heart signal of a body including providing at least two input heart signals via at least two separate input channels, wherein each of the at least two input heart signals is recorded by pairs of sensing electrodes that have one electrode in common and provided coincidental in time. The cardiac device and method include generating estimated signals from the input heart signals, combining the input heart signals and the estimated signals to a combined input stream (SECG), and detecting the QRS signal by comparing the combined input stream (SECG) to an adaptive detection threshold (ATHR) which adapts throughout time.