INTRA-CARDIAC SCAR TISSUE IDENTIFICATION USING IMPEDANCE SENSING AND CONTACT MEASUREMENT

To provide mapping of intra-cardiac scar tissue.SOLUTION: A system includes an electrical interface and a processor. The electrical interface is configured for communicating with a probe inserted into the heart of a patient. The processor is configured to receive, via the electrical interface, (i) a...

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Main Authors OSADCHY DANIEL, BAR-TAL MEIR
Format Patent
LanguageEnglish
Japanese
Published 22.08.2019
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Abstract To provide mapping of intra-cardiac scar tissue.SOLUTION: A system includes an electrical interface and a processor. The electrical interface is configured for communicating with a probe inserted into the heart of a patient. The processor is configured to receive, via the electrical interface, (i) a first indication of an electrical impedance measured by the probe at a given location on an inner surface of the heart, and (ii) a second indication of quality of mechanical contact between the probe and the inner surface of the heart during measurement of the electrical impedance. The processor is further configured, based on the first and second indications, to classify tissue at the given location as scar tissue.SELECTED DRAWING: Figure 1 【課題】心臓内瘢痕組織をマッピングすること。【解決手段】あるシステムが電気的インターフェースとプロセッサとを含む。電気インターフェースは、患者の心臓の中に挿入されたプローブと通信するように構成されている。プロセッサは、電気インターフェースを介して、(i)心臓の内部表面上の所与の位置でプローブによって測定された電気インピーダンスの第1の表示と、(ii)電気インピーダンスの測定の間におけるプローブと心臓の内部表面との機械的接触の性質の第2の表示と、を受け取るように構成されている。プロセッサは更に、第1及び第2の表示に基づいて、所与の位置の組織を瘢痕組織として分類するように構成されている。【選択図】図1
AbstractList To provide mapping of intra-cardiac scar tissue.SOLUTION: A system includes an electrical interface and a processor. The electrical interface is configured for communicating with a probe inserted into the heart of a patient. The processor is configured to receive, via the electrical interface, (i) a first indication of an electrical impedance measured by the probe at a given location on an inner surface of the heart, and (ii) a second indication of quality of mechanical contact between the probe and the inner surface of the heart during measurement of the electrical impedance. The processor is further configured, based on the first and second indications, to classify tissue at the given location as scar tissue.SELECTED DRAWING: Figure 1 【課題】心臓内瘢痕組織をマッピングすること。【解決手段】あるシステムが電気的インターフェースとプロセッサとを含む。電気インターフェースは、患者の心臓の中に挿入されたプローブと通信するように構成されている。プロセッサは、電気インターフェースを介して、(i)心臓の内部表面上の所与の位置でプローブによって測定された電気インピーダンスの第1の表示と、(ii)電気インピーダンスの測定の間におけるプローブと心臓の内部表面との機械的接触の性質の第2の表示と、を受け取るように構成されている。プロセッサは更に、第1及び第2の表示に基づいて、所与の位置の組織を瘢痕組織として分類するように構成されている。【選択図】図1
Author OSADCHY DANIEL
BAR-TAL MEIR
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Snippet To provide mapping of intra-cardiac scar tissue.SOLUTION: A system includes an electrical interface and a processor. The electrical interface is configured for...
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HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
MEDICAL OR VETERINARY SCIENCE
SURGERY
Title INTRA-CARDIAC SCAR TISSUE IDENTIFICATION USING IMPEDANCE SENSING AND CONTACT MEASUREMENT
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