BIOTRONIK Patente

The invention relates to a fixation sleeve for an implantable lead with a lead body, wherein the fixation sleeve has a substantially tubular shape comprising an internal lumen extending therethrough and extending in a longitudinal direction. To achieve a secure and reproducible fixation of the fixation sleeve to the lead body even if the lead body slightly varies in diameter, the fixation sleeve comprises a tubular mesh configured such that an internal mesh lumen forms a section of the internal lumen of the fixation sleeve, wherein the internal mesh lumen is configured to receive the lead body, wherein a first tubular component and/or a second tubular component of the fixation sleeve being displaceable in longitudinal direction relative to each other from a first relative position to a second relative position such that the inner diameter of the internal mesh lumen is correspondingly reduced.

The invention relates to an implantable medical device for stimulating a human or animal heart that comprises a proximal electrode pole (213), a first distal electrode pole (203), and a second distal electrode pole (223). During operation, the implantable medical device performs the following steps: a) detecting (500), with the proximal electrode pole (213), an intrinsic atrial contraction of the heart (1) to be stimulated or stimulating (500), with the proximal electrode pole (213), the atrium (2) of the heart (1) to be stimulated; b) detecting (530), with the first distal electrode pole (203) and with the second distal electrode pole (223), an intrinsic ventricular contraction of the heart (1) to be stimulated; c) determining (530) a first intrinsic atrioventricular conduction time between i) the intrinsic atrial contraction or the stimulation of the atrium and ii) the intrinsic ventricular contraction detected with the first distal electrode pole (203); and determining (530) a second intrinsic atrioventricular conduction time between i) the intrinsic atrial contraction or the stimulation of the atrium and iii) the intrinsic ventricular contraction detected with the second distal electrode pole (223); d) setting (550) a stimulated atrioventricular conduction time for stimulating the ventricle (3, 5) of the heart (1) to be stimulated with the first distal electrode pole (203) and/or the second distal electrode pole (223), the stimulated atrioventricular conduction time being shorter than the shorter of the first intrinsic atrioventricular conduction time and the second intrinsic atrioventricular conduction time.

The invention relates to a patient communication device (10), comprising means (11) for receiving patient medical data (12) and/or a machine-readable code (14), preferably a QR-Code, representing said patient medical data (12) or data for establishing a connection between the patient communication device (10) and a further communication device (15), optionally means (16) for generating the machine-readable code (14) based on the received patient medical data (12), and a graphical user interface (18) configured to display the machine-readable code (14) to be read by the further communication device (15), in particular a tablet or smartphone device. The invention further relates to a medical communication system (1) and a computer-implemented method for communication between a patient communication device (10) and a further communication device (15).

The present invention relates to an implantable medical device (1), comprising: a housing (2) for accommodating an electrical circuit, and a header (10) connected to the housing (2), the header (10) comprising a connector socket (11) configured to accommodate a plug (3) of an electrode lead and comprising a connector (5), wherein the header (10) further comprises a screw (4) screwed into an inner thread (30) of the connector (5) to fix the plug when the plug is inserted in the socket (11), wherein the header (10) comprises an opening (31) for accessing the inner thread (30), and wherein the header (10) comprises a sealing member (40) configured to be accommodated in the opening (31) to seal the opening (31). According to the invention, said opening (31) is an undercut-free opening for facilitating insertion of the sealing member (40) into said opening (31).

The invention relates to a remote programming assembly (100), comprising: an implantable medical device (101); a programming device (103) located remote from the implantable medical device (101); and a patient device (102) operatively connected to the implantable medical device (101) and to the programming device (103). The patient device (102) and the implantable medical device (101) are designed and configured to communicate via a near-field communication with each other. In addition, the patient device (102) and the implantable medical device (101) are designed and configured to allow a reprogramming of operational parameters of the implantable medical device (101) only upon activation of a physical user interface element (1023) of the patient device (102) by a user.

The present invention relates to an implantable medical device (1), comprising: a header (10) comprising a header body (11) having a cavity (12), and a sealing plug (2) arranged in the cavity (12) to seal the cavity (12), wherein the sealing plug (2) is retained in the cavity (12) by an undercut (120) comprised by the cavity (12). According to the invention, the undercut (120) is formed by a plate (3) connected to the header body (11), the plate (3) comprising a through-hole (30) providing access to the cavity (12) for arranging the sealing plug (2) therein through the through-hole (30).

The present invention relates to a computer-implemented method (100) for optimized processing of a question, preferably a medical question. The computer-implemented method (100) comprises selectively obtaining (110), based on the question to be processed, a set of data from a database and processing (120), based on an artificial intelligence (AI), preferably a large language model (LLM), the question. In particular, processing (120) the question is based on the question and the set of data selectively obtained from the database and the processing (120) of the question comprises associating a first answer to the question.

The present invention relates to an implantable medical device implantable in a human or animal heart that carries out the following steps during its operation: a) continuously detecting a cardiac electric signal (1); b) starting a coagulation timer (2) if the detected cardiac electric signal (1) is indicative for an atrial tachycardia; c) keeping the coagulation timer (2) active during a temporary loss (3) of the cardiac electric signal (1); and d) stopping the coagulation timer (2), if the following criteria are fulfilled: i) an amplitude of the cardiac electric signal (1) of a plurality of cardiac intervals being close in time exceeds a presettable significance threshold (8), and ii) an atrial rate calculated from the plurality of cardiac intervals being close in time is below a predefinable threshold rate indicative for atrial tachycardia, or e) keeping the coagulation timer (2) active for a predefined time period, if the criteria are not fulfilled.

The present invention relates to a header (11) of an implantable medical device (1), comprising a receptacle (12) configured to receive a plug of an electrode lead and at least one electrical contact (13) arranged in the receptacle (12) and configured to receive and to electrically contact the plug of the electrode lead; the electrical contact (13) comprising: a sleeve (2) comprising an inner side (20) that surrounds an opening (21) of the sleeve (2), and a spring element (3) arranged in the opening (21), wherein the spring element (3) is configured to receive a plug to establish an electrical connection between the spring element (3) and the plug, wherein the spring element (3) is positioned in the opening (21) of the sleeve (2) and secured therein by a mechanical retention.

The present invention relates to an implantable medical system for stimulating a patient's heart, comprising a memory unit (270), a processor (28), a stimulation unit (290) configured to stimulate the heart, and a detection unit (260) configured to detect a cardiac electric signal (250). The memory unit (270) stores a parameter allocation model which comprises a plurality of key sets (310, 420), each of which comprises a potential time of occurrence of at least one first event (110) in the cardiac electric signal (250) and each of which is mapped to at least one potential time of occurrence of a second event (130) in the cardiac electric signal (250) representing a repolarization of the myocardium. The memory unit (270) further stores a computer-readable read-out program that causes the processor (28) to perform the following steps when executed on the processor (28):- receiving a cardiac electric signal (250) comprising a plurality of events (110),- for at least one first event (110) in the received cardiac electric signal (250), determining an actual time of occurrence,- finding the key set in the list of key sets of the parameter allocation model that is closest to the actual time of occurrence, and- retrieving an estimation time from the parameter allocation model, which represents an estimation of the time of occurrence of the second event (130), based on the at least one potential time of occurrence of the at least one second event (130) to which the closest key set is mapped.

The present invention relates to an implantable medical device (1) for stimulating a human or animal heart. During operation, the implantable medical device (1) executes a method comprising the following steps: a) detecting a right ventricular electric signal, the detected right ventricular electric signal comprising a plurality of right ventricular events (13); b) detecting a left ventricular electric signal, the detected left ventricular electric signal comprising a plurality of left ventricular events (16); c) defining one of the right ventricular electric signal and the left ventricular electric signal as reference signal (15) and the other as supervised signal (18); d) counting a number of ventricular events (13, 16) in the supervised signal (18) occurring during a predeterminable number of ventricular events (16, 13) in the reference signal (15); e) determining whether there is a deviation between the number of ventricular events (13, 16) in the supervised signal (18) and the predeterminable number of ventricular events (16, 13) in the reference signal (15); f) if the deviation between the number of ventricular events (13, 16) in the supervised signal (18) and the predeterminable number of ventricular events (16, 13) in the reference signal (15) is bigger than a threshold, i) perform a storing of at least a part of the reference signal (15) and/or of at least a part of the supervised signal (18) in the memory unit (33) to allow a later evaluation of the stored part (21, 22) of the reference signal (15) and/or of the supervised signal (18) and/or ii) to increment a counter for each deviation that is bigger than the threshold and to store the incremented counter and/or iii) sending a notification via the data communication unit (36) to an external device or remote system.

Die vorliegende Erfindung betrifft ein Honwerkzeug zur Glättung einer Innenoberfläche eines Hohlzylinders mit einem Innendurchmesser i_H, unter Zuhilfenahme einen Führungsdraht, dessen Außendurchmesser a_F kleiner als der Innendurchmesser i_H des Hohlzylinders ist. Die Erfindung umfasst ferner den Einsatz dieses Honwerkzeugs in einer Honmaschine, seiner Nutzung in einem Honverfahren sowie das resultierende Produkt.

A rolling membrane catheter (100) comprises a rolling membrane (120) and a coextruded outer shaft (130) comprising an inner layer (132) and an outer layer (134). A method for coextruding a coextruded outer shaft comprises coextruding an outer shaft and attaching a rolling membrane to the outer shaft.

The invention refers to an implantable medical lead that may be cost-efficiently designed for different use cases and provides excellent mechanical properties. The implantable medical lead comprises an electrically insulating tubular lead body having an internal lumen accommodating at least two conductors, wherein each conductor is configured to electrically connect one electrode located at the distal end of the lead and an electrical connector assembly at the proximal end of the lead, wherein each conductor comprises an electrically conductive core and an electrically insulating sleeve, wherein a cross section of the electrically insulating sleeve of at least one conductor of the at least two conductors forms an inner circumference and an outer circumference, wherein the inner circumference and the outer circumference have a substantially elliptical shape exhibiting an eccentricity ε in the range 0,4 ≤ ε1 ≤ 0,85.

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