JP6533569B2 - 検出されるペーシングパルスに応答した植え込み型医療装置(imd)の感知修正 - Google Patents
検出されるペーシングパルスに応答した植え込み型医療装置(imd)の感知修正 Download PDFInfo
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- JP6533569B2 JP6533569B2 JP2017507680A JP2017507680A JP6533569B2 JP 6533569 B2 JP6533569 B2 JP 6533569B2 JP 2017507680 A JP2017507680 A JP 2017507680A JP 2017507680 A JP2017507680 A JP 2017507680A JP 6533569 B2 JP6533569 B2 JP 6533569B2
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
- A61B5/346—Analysis of electrocardiograms
- A61B5/349—Detecting specific parameters of the electrocardiograph cycle
- A61B5/363—Detecting tachycardia or bradycardia
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
- A61B5/346—Analysis of electrocardiograms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
- A61B5/686—Permanently implanted devices, e.g. pacemakers, other stimulators, biochips
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/362—Heart stimulators
- A61N1/37—Monitoring; Protecting
- A61N1/3702—Physiological parameters
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- Health & Medical Sciences (AREA)
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- Cardiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
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- Molecular Biology (AREA)
- Surgery (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Physiology (AREA)
- Electrotherapy Devices (AREA)
Description
12 患者
14 皮下ICDシステム
16 リードレス心臓ペーシング装置
18 心臓
20 植え込み型心臓除細動器(ICD)
22 植え込み型心臓除細動リード
24 除細動電極
26、28 感知電極
30 制御モジュール
32 感知モジュール
34 療法モジュール
36 パワー源
38 通信モジュール
40 メモリ
42 アンテナ
50 前置フィルタ
52 前置増幅器
54 低域通過フィルタ
56 アナログデジタル変換器
58 デシメータ
60 ブランキングモジュール
62、62’ ペースパルス検出器
64 ブランキング制御モジュール、パルス除去制御モジュール
66 感知デジタルフィルタ
67 形態デジタルフィルタ
68 診断ECGデジタルフィルタ
70 ペーシング列
72 ペーシングパルス
74 スルーレート信号
76 スパイク
78 スルーレート閾値
90 フィルタ
91 微分(dV/dT)フィルタ
92 整流器
94 ペースアーチファクト検出器
96 ペーススパイク検出器
180 デシメータ
182 カスケード・インテグレータ・コーム(CIC)フィルタ
184 移動平均フィルタ
186 帯域通過フィルタ
188 微分(dV/dt)フィルタ
190A、190B、190C 閾値検出器
192A、192B ノイズ検出器
194 沈黙タイマー
Claims (3)
- 植え込み型医療装置において、
前記植え込み型医療装置へ連結されている1つ又はそれ以上の電極によって感知される電気信号を処理する複数の構成要素を含んでいる感知チャネルと、
第2の植え込み型医療装置によって送達されるペーシングパルスを、前記感知される電気信号の前記処理に基づいて検出するペースパルス検出器と、
ブランキングモジュールと、
前記ペースパルス検出器が前記ペーシングパルスを検出していることに応えて、前記ブランキングモジュールに前記感知チャネルの前記電気信号をブランキングさせて前記感知される電気信号から前記ペーシングパルスを除去するように構成されているブランキング制御モジュールと、
を備え、
前記ブランキング制御モジュールは、前記感知される電気信号のブランキングが以前に閾値時間期間内に起こっていたかどうかを判定し、前記感知チャネルのブランキングが以前に前記閾値時間期間内に起こっていたらブランキングの開始を差し控える、
植え込み型医療装置。 - 前記ブランキングモジュールは前記感知される電気信号を前記ペーシングパルスより前の当該感知される電気信号の値に保持して前記感知される電気信号から前記ペーシングパルスを除去しており、前記ブランキングモジュールは、前記感知される電気信号を、大凡20ミリ秒より短い又は大凡20ミリ秒に等しい間、前記値に保持する、請求項1に記載の装置。
- 前記植え込み型医療装置は、各々が異なった感知される電気信号を処理し各々がブランキングモジュールを含んでいる複数の感知チャネルを含んでおり、
前記ペースパルス検出器は、前記複数の感知チャネルの第1の感知チャネル上に前記ペーシングパルスを検出し、
前記ブランキング制御モジュールは、前記複数の感知チャネルの各々の前記ブランキングモジュールに当該複数の感知チャネルの各々での前記感知される電気信号をブランキングさせて各感知される電気信号上の前記ペーシングパルスを除去する、請求項1又は2に記載の装置。
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201461984233P | 2014-04-25 | 2014-04-25 | |
| US61/984,233 | 2014-04-25 | ||
| US14/686,947 | 2015-04-15 | ||
| US14/686,947 US10448855B2 (en) | 2014-04-25 | 2015-04-15 | Implantable medical device (IMD) sensing modifications responsive to detected pacing pulses |
| PCT/US2015/026094 WO2015164167A1 (en) | 2014-04-25 | 2015-04-16 | Implantable medical device (imd) sensing modifications responsive to detected pacing pulses |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2017518846A JP2017518846A (ja) | 2017-07-13 |
| JP6533569B2 true JP6533569B2 (ja) | 2019-06-19 |
Family
ID=53008917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017507680A Active JP6533569B2 (ja) | 2014-04-25 | 2015-04-16 | 検出されるペーシングパルスに応答した植え込み型医療装置(imd)の感知修正 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US10448855B2 (ja) |
| EP (1) | EP3134175B1 (ja) |
| JP (1) | JP6533569B2 (ja) |
| CN (1) | CN106231994B (ja) |
| WO (1) | WO2015164167A1 (ja) |
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| JP2017518846A (ja) | 2017-07-13 |
| EP3134175A1 (en) | 2017-03-01 |
| EP3134175B1 (en) | 2020-05-06 |
| CN106231994A (zh) | 2016-12-14 |
| US20150305640A1 (en) | 2015-10-29 |
| WO2015164167A1 (en) | 2015-10-29 |
| CN106231994B (zh) | 2019-11-12 |
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