Biotronik Se Co. Kg

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Biotronik Mess-Und Therapiegerate Gmbh & Co Ingenieurburo Berlin

Biotronik Mess-Und Therapiegeraete Gmbh & Co. Ingenieurbuero

Biotronik Se & Co. Kg

Ulrich Busch

Thomas Doerr

Ingo Weiss

Gernot Kolberg

Michael Friedrich

Jens Rump

Andreas Neumann

Frank Becker

Peter Schneider

Klaus Bartels

Olaf Skerl

Torsten Radtke

Stefan Paule

Sergey Ershov

Max Schaldach, Jr, Legal Representative

Thomas Dörr

Peter Wohlgemuth

Ulrich Tietze

Timo Frenzel

Philipp Staeuber

Gregor Niewalda

Juergen Pilz

Björn Riedel

Bruno Ismer

Thomas Koerber

Wolfgang Voss

Georg Heinrich Von Knorre

Bjoern Riedel

Thomas Brueggemann

Ralf Peters

Sabrina Bauditz

Christian Moß

Gia Ngoc Phung

Philipp Stäuber

Thomas Körber

Wolfgang Voß

Thomas Brüggemann

Jürgen Pilz

André Van Ooyen

A programming device for programming an implantable medical device for stimulating a human or animal heart, wherein the following steps are performed: a) allowing to select one of at least two electrode lead configurations for stimulating a human or animal heart, wherein the at least two electrode lead configurations comprise a second electrode lead configuration in which at least one electrode lead is connected to an electrode lead port, the electrode lead port being configured to receive an electrode lead for stimulating a second cardiac region or detecting an electric signal at the second cardiac region, wherein the second cardiac region is a part of a ventricular conduction system of the heart, wherein the at least one electrode lead is intended to be implanted or is implanted in the second cardiac region; b) generating and releasing a notification signal if the second electrode lead configuration is selected.

Programming device for programming an implantable medical device for stimulating a human or animal heart

An implantable device for stimulating a heart to lower blood pressure, comprising: a stimulation unit configured to stimulate a ventricle, and a sensing unit for detecting atrial activity of the heart, wherein the stimulation unit is configured to stimulate the ventricle for at least one cardiac cycle with a predefined delay after detection of an atrial activity or to not stimulate the ventricle for at least one cardiac cycle.

Hypertension therapy

An implantable medical device for stimulating a human or animal heart. In operation, the device performs the following steps: a) sensing an atrial electric signal a the first detection unit; b) sensing an electric signal at the His bundle with a second detection unit upon termination of a first time period starting upon sensing the atrial electric signal with the first detection unit and/or starting upon applying a stimulation pulse, wherein the first time period lies in a range of from 10 ms to 100 ms; c) classifying the electric signal sensed with the second detection unit as His bundle activity signal or as ventricular activity signal.

Implantable medical device for stimulating the His bundle of a human or animal heart employing an improved distinction between atrial and ventricular signals detected at the His bundle

An implantable medical device for stimulating a human/animal heart having a stimulation unit which stimulates the His bundle and a detection unit which detects an electrical signal at the His bundle. The device performs: a) determining a first value of a parameter of a first measuring pulse measured between a first electrode pole and a housing; b) determining a second value of the same parameter of a second measuring pulse measured between the first electrode pole and a second electrode pole; c) comparing the first and second values; d) determining, based on the comparing step, whether the first or second measuring pulses enables a higher available level control range of the analog-to-digital converter; e) measuring an impedance in a unipolar manner between the first electrode pole and the housing or in a bipolar manner between the first electrode pole and the second electrode pole depending on the determining step.

Implantable medical device for stimulating a human or animal heart employing an automatic choice between different impedance measuring modes

Embodiments include a leadless implantable heart stimulator (that includes an acceleration sensor, wherein the acceleration sensor delivers an acceleration signal as an output signal. The acceleration sensor is connected to an activity determination unit. The activity determination unit generates an activity signal from the acceleration signal wherein the activity determination unit at least partially subtracts a component of the acceleration signal from the acceleration signal that represents an intrinsic heart movement.

Rate-adaptive heart stimulator and activity sensor

A device and method that detects a lead failure condition for a lead having at least one electrode in contact with body tissue, wherein the lead is connected to the device. The device includes a first filter that filters an electric signal sensed by the at least one electrode to a first filtered signal, and a lead failure detection unit that detects signal characteristics of the first filtered signal. The lead failure detection unit indicates a lead failure condition when the detected signal characteristics correspond to a step response of the first filter.

Device and method for lead failure detection

The invention relates to methods of differentiating between ventricular tachycardias (VTs) and supraventricular tachycardias (SVT) with the assistance of morphology detection, and signal processing devices implementing such methods.

Cardioverter/defibrillator and signal processing device for classifying intracardiac signals

An implantable heart stimulator (), which has a right-atrial sensing unit (), which is connected or is to be connected to a right-atrial electrode for recording electrical potentials of the myocardium of a right atrium, and is implemented to process electrical signals recorded via the right-atrial electrode, and to detect signal features characterizing a right-atrial stimulation and contraction in the electrical signal recorded via the right-atrial electrode. The heart stimulator () additionally has a left-ventricular sensing unit (), which is connected or is to be connected to a left-ventricular electrode for recording electrical potentials of the myocardium of a left ventricle of a heart and is implemented to process electrical signals recorded via the left-ventricular electrode. The left-ventricular sensing unit () is implemented to detect signal features in the electrical signal recorded via the left-ventricular electrode which characterize a left-atrial contraction.

Biventricular heart stimulator

An electromedical implant having a far-field electrocardiogram detection unit connected or connectable to at least two implantable electrodes, at least one electrode of which is to be placed in the right atrium or right ventricle and is designed to record a far-field electrocardiogram via the terminal for the electrode to be placed in the right atrium or the right ventricle and one other electrode. The far-field electrocardiogram detection unit is connected to a far-field electrocardiogram evaluation unit, which is configured to detect signal features of the far-field electrocardiogram associated with an excitation or contraction of the left atrium and/or the left ventricle of the heart in a far-field electrocardiogram recorded by the far-field electrocardiogram detection unit.

Method and device for processing cardiac signals

A biatrial triple-chamber cardiac pacemaker has at least one sensing unit for sense events of a first atrium and a ventricle of a heart and at least one stimulation unit which is adapted to produce stimulation pulses to a second atrium and the ventricle, and a control which is connected to the sensing unit and the stimulation unit and is adapted to evaluate at least the atrial sense events (A-Sense) associated with the first atrium and the ventricular sense events (V-Sense) associated with the ventricle, for actuation of the stimulation unit, which is actuated so that the delivery of a left-atrial stimulation pulse is suppressed if previously a ventricular sense event occurs in a crosstalk window which adjoins a postatrial ventricular blanking time and at the same time the distance in respect of time to the last ventricular event ascertained outside a crosstalk window, to the next possible ventricular stimulation event, is greater than a predetermined maximum value.

Biatrial triple-chamber cardiac pacemaker with multi-conditional inhibition of second atrial stimulation

A dual-chamber cardiac pacemaker comprising an atrial detection unit which is adapted to detect electrical signals in the atrium of a heart as atrial sense events, a ventricular detection unit which is adapted to detect electrical signals of a ventricle of the heart as ventricular sense events, a stimulation unit which is adapted at least to trigger the delivery of electrical pulses to the ventricle as ventricular stimulation events, and a control unit which is connected to the atrial and the ventricular detection units and the stimulation unit and adapted to control triggering of the delivery of pulses in dependence on the atrial detection unit and the ventricular detection unit in such a way that pulse delivery to the ventricle is triggered after the expiry of an AV time after detection of an atrial sense or stimulation event if prior to expiry of the AV time no ventricular sense event is detected by the ventricular detection unit, wherein the control unit is further adapted to divide ventricular sense events into at least two categories of which a first category concerns ventricular sense events to be associated with natural stimulus conduction from the atrium to the ventricle while a second category concerns ventricular sense events to be associated with ventricular extrasystoles or premature ventricular contractions (PVC) and control of the cardiac pacemaker is differentiated in accordance with whether a ventricular sense event is or is not associated with the first category, characterized in that for the control of triggering of pulse delivery an AV monitoring interval is provided in such a way that the AV monitoring interval is triggered by each atrial sense event which is outside an atrial refractory time, wherein the cardiac pacemaker is adapted to associate ventricular events occurring within the AV monitoring interval to the first category.

Pacemaker control dependent on natural AV conduction or PVC/VES detection

Implantable medical device

Electrostimulator (,), comprising an interface for connecting a working electrode (,), as well as a pulse generator that is connected on the output side to the interface for transmitting electrical pulses to the working electrode (,), with a first measuring instrument (,) that is connected to the interface for measuring the electrical voltage present at the interface and/or the electrical current flowing over the interface, as well as an arithmetic unit, connected on the input side to the first measuring instrument, for computing an output signal reflecting the capacity of the working electrode in dependence on the current and/or voltage at the interface.

Electrostimulator

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Berlin, Germany

Ulrich Busch