CATHETER SPINE ASSEMBLY WITH CLOSELY SPACED BIPOLE MICROELECTRODES
PROBLEM TO BE SOLVED: To provide an electrophysiologic catheter.SOLUTION: The electrophysiologic catheter comprises a distal electrode assembly carrying very closely spaced bipole microelectrodes on a plurality of divergent spines that can flexibly spread over a tissue surface area with minimized de...
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Main Authors | , |
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Format | Patent |
Language | English Japanese |
Published |
17.08.2017
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Subjects | |
Online Access | Get full text |
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Summary: | PROBLEM TO BE SOLVED: To provide an electrophysiologic catheter.SOLUTION: The electrophysiologic catheter comprises a distal electrode assembly carrying very closely spaced bipole microelectrodes on a plurality of divergent spines that can flexibly spread over a tissue surface area with minimized detection of undesirable noise, including far-field signals. Each spine has a flexible microelectrode panel having a substrate, at least one pair of microelectrodes, a trace for each microelectrode, and a soldering pad. Adjacent microelectrodes of a bipole pair are separated by a space gap distance ranging between about 50-300 μm (about 50-300 microns). Each microelectrode has a width of about 200 or 300 μm (about 200 or 300 microns).SELECTED DRAWING: Figure 1
【課題】 電気生理学カテーテルを提供する。【解決手段】 電気生理学カテーテルは、組織表面領域に柔軟に広がることが可能である複数の分岐スパイン上に、遠距離場信号を含む望ましくないノイズの検出を最小限とした、非常に近接配置された双極子微小電極を担持している遠位電極組立体を備える。各スパインは、基板、少なくとも1つの一対の微小電極、各微小電極用のトレース、及びはんだ付けパッドを備えている、フレキシブル微小電極パネルを有する。双極子対の隣接する微小電極は、約50〜300μm(約50〜300ミクロン)の範囲の空間間隙距離によって分離されている。各微小電極は、約200又は300μm(約200又は300ミクロン)の幅を有する。【選択図】 図1 |
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Bibliography: | Application Number: JP20170020143 |