IMPLANTABLE MEDICAL DEVICE FOR STIMULATING A HUMAN OR ANIMAL HEART
The invention relates to an implantable medical device for stimulating a human or animal heart, comprising a control unit, a memory unit, a stimulation unit for stimulating a cardiac region of a human or animal heart, and a detection unit for detecting an electrical signal of the same heart. The mem...
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Format | Patent |
Language | English French German |
Published |
14.12.2022
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Abstract | The invention relates to an implantable medical device for stimulating a human or animal heart, comprising a control unit, a memory unit, a stimulation unit for stimulating a cardiac region of a human or animal heart, and a detection unit for detecting an electrical signal of the same heart. The memory unit comprises a computer-readable program that causes the control unit to perform the following steps when executed on the control unit: a) detecting (110), with the detection unit, capture thresholds during an observation period, each capture threshold being detected in response to a sequence of pacing pulses delivered by the stimulation unit; b) storing the detected capture thresholds in the memory unit; c) determining (120) threshold-to-threshold differences between two consecutive capture thresholds in each case; and d) if a maximum determined threshold-to-threshold difference within the observation period is equal to or greater than a predetermined limit, adjusting (140; 170) a pacing output of the stimulation unit on the basis of the maximum capture threshold determined within a first time period, the first time period being equal to or shorter than the observation period; or if the maximum determined threshold-to-threshold difference within the observation period is smaller than the predetermined limit, adjusting (150; 170) the pacing output of the stimulation unit on the basis of the maximum capture threshold determined within a second time period, the second time period being shorter than the first time period. |
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AbstractList | The invention relates to an implantable medical device for stimulating a human or animal heart, comprising a control unit, a memory unit, a stimulation unit for stimulating a cardiac region of a human or animal heart, and a detection unit for detecting an electrical signal of the same heart. The memory unit comprises a computer-readable program that causes the control unit to perform the following steps when executed on the control unit: a) detecting (110), with the detection unit, capture thresholds during an observation period, each capture threshold being detected in response to a sequence of pacing pulses delivered by the stimulation unit; b) storing the detected capture thresholds in the memory unit; c) determining (120) threshold-to-threshold differences between two consecutive capture thresholds in each case; and d) if a maximum determined threshold-to-threshold difference within the observation period is equal to or greater than a predetermined limit, adjusting (140; 170) a pacing output of the stimulation unit on the basis of the maximum capture threshold determined within a first time period, the first time period being equal to or shorter than the observation period; or if the maximum determined threshold-to-threshold difference within the observation period is smaller than the predetermined limit, adjusting (150; 170) the pacing output of the stimulation unit on the basis of the maximum capture threshold determined within a second time period, the second time period being shorter than the first time period. |
Author | HUEGERICH, Burkhard MIDGETT, Madeline Anne WHITTINGTON, R. Hollis |
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DocumentTitleAlternate | IMPLANTIERBARE MEDIZINISCHE VORRICHTUNG ZUR STIMULATION EINES MENSCHLICHEN ODER TIERISCHEN HERZENS DISPOSITIF MÉDICAL IMPLANTABLE POUR STIMULER LE COEUR D'UN ÊTRE HUMAIN OU D'UN ANIMAL |
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RelatedCompanies | BIOTRONIK SE & Co. KG |
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Snippet | The invention relates to an implantable medical device for stimulating a human or animal heart, comprising a control unit, a memory unit, a stimulation unit... |
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SubjectTerms | ELECTROTHERAPY HUMAN NECESSITIES HYGIENE MAGNETOTHERAPY MEDICAL OR VETERINARY SCIENCE RADIATION THERAPY ULTRASOUND THERAPY |
Title | IMPLANTABLE MEDICAL DEVICE FOR STIMULATING A HUMAN OR ANIMAL HEART |
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