JP7189210B2 - 植込み型医療装置用のハイブリッド信号処理回路及び方法 - Google Patents
植込み型医療装置用のハイブリッド信号処理回路及び方法 Download PDFInfo
- Publication number
- JP7189210B2 JP7189210B2 JP2020520263A JP2020520263A JP7189210B2 JP 7189210 B2 JP7189210 B2 JP 7189210B2 JP 2020520263 A JP2020520263 A JP 2020520263A JP 2020520263 A JP2020520263 A JP 2020520263A JP 7189210 B2 JP7189210 B2 JP 7189210B2
- Authority
- JP
- Japan
- Prior art keywords
- filter
- filters
- order
- order filters
- integer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
-
- 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
- A61B5/24—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
-
- 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
-
- 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
- A61B5/6867—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 specially adapted to be attached or implanted in a specific body part
- A61B5/6869—Heart
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7235—Details of waveform analysis
- A61B5/725—Details of waveform analysis using specific filters therefor, e.g. Kalman or adaptive filters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/025—Digital circuitry features of electrotherapy devices, e.g. memory, clocks, processors
-
- 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
-
- 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
- A61N1/372—Arrangements in connection with the implantation of stimulators
-
- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H40/00—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices
- G16H40/60—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices
- G16H40/63—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for local operation
-
- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H40/00—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices
- G16H40/60—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices
- G16H40/67—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for remote operation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/02—Operational features
- A61B2560/0204—Operational features of power management
- A61B2560/0209—Operational features of power management adapted for power saving
-
- 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
- A61N1/38—Applying electric currents by contact electrodes alternating or intermittent currents for producing shock effects
- A61N1/39—Heart defibrillators
- A61N1/3956—Implantable devices for applying electric shocks to the heart, e.g. for cardioversion
- A61N1/3962—Implantable devices for applying electric shocks to the heart, e.g. for cardioversion in combination with another heart therapy
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/16—Spectrum analysis; Fourier analysis
- G01R23/165—Spectrum analysis; Fourier analysis using filters
- G01R23/167—Spectrum analysis; Fourier analysis using filters with digital filters
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Medical Informatics (AREA)
- Heart & Thoracic Surgery (AREA)
- Biophysics (AREA)
- Cardiology (AREA)
- Surgery (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Physiology (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Psychiatry (AREA)
- Signal Processing (AREA)
- Artificial Intelligence (AREA)
- Business, Economics & Management (AREA)
- General Business, Economics & Management (AREA)
- Epidemiology (AREA)
- Primary Health Care (AREA)
- Electrotherapy Devices (AREA)
Description
本出願は、2017年10月12日出願の米国特許非仮出願第15/782、496号に基づく優先権を主張するものである。上記出願の開示内容は、参照により本明細書中に援用される。
本開示の実施形態は、一般的に、植込み型医療装置によって感知された信号を処理するためにハイブリッド信号処理回路を使用する方法及び装置に関する。
A(w)=25w^2+20(w+1)+24w (式1)
A(w)=40(w+1)+12w (式2)
Claims (14)
- 植込み型医療装置(IMD)であって、
患者の生理学的特徴を示す生理学的データを感知して出力するように構成された感知回路と、
少なくとも1つのプロセッサと、
前記少なくとも1つのプロセッサに接続され、前記IMD内で一般的な動作機能を実行するために前記少なくとも1つのプロセッサによって実行可能なプログラム命令及び処理されたデータを格納するメモリと、
前記少なくとも1つのプロセッサ及び前記感知回路に接続され、前記生理学的データをフィルタリングするように構成されたハイブリッド信号処理(HSP)回路と、を備え、
前記ハイブリッド信号処理(HSP)回路は、
複数の1次フィルタと、
複数の高次フィルタと、
前記複数の1次フィルタの少なくとも1つの1次フィルタ及び前記複数の高次フィルタの少なくとも1つの高次フィルタの組み合わせを相互接続して、所望の電力要求量以下を使用する所望の複合周波数応答を有するハイブリッドデジタルフィルタを形成するように構成されたスイッチマトリクスと、を含み、
前記複数の高次フィルタの前記少なくとも1つの高次フィルタは、広帯域ローパスフィルタとして構成され、前記複数の1次フィルタの前記少なくとも1つの1次フィルタは、前記広帯域ローパスフィルタのカットオフ周波数よりも低いカットオフ周波数を有する狭帯域ローパスフィルタとして構成されることを特徴とする植込み型医療装置。 - 請求項1に記載の植込み型医療装置であって、
前記1次フィルタは、整数係数を使用してプログラムされたデジタル整数フィルタを含むことを特徴とする植込み型医療装置。 - 請求項1または2に記載の植込み型医療装置であって、
前記高次フィルタは、2次再帰型デジタルフィルタ、及び、その少なくとも一部が様々な対応する周波数通過帯域を有する双二次デジタルフィルタのうちの少なくとも一方を含むことを特徴とする植込み型医療装置。 - 請求項3に記載の植込み型医療装置であって、
前記1次フィルタは、様々な対応するローパス周波数範囲を有するローパス整数フィルタと、様々な対応するハイパス周波数範囲を有するハイパス整数フィルタとを含み、
前記スイッチマトリクスは、前記ローパス整数フィルタ、前記ハイパス整数フィルタ、及び前記双二次デジタルフィルタの少なくとも一部をカスケード方式で相互接続して、前記所望の複合周波数応答を有する前記ハイブリッドデジタルフィルタを形成することを特徴とする植込み型医療装置。 - 請求項1~4のいずれかに記載の植込み型医療装置であって、
前記スイッチマトリクスは、
(i)前記複数の1次フィルタ及び前記複数の高次フィルタの少なくとも一部をカスケード方式で相互接続して、前記所望の複合周波数応答を形成すること、
(ii)前記複数の1次フィルタ及び前記複数の高次フィルタの少なくとも一部をカスケード方式で相互接続して、前記所望の電力要求量以下を使用する前記ハイブリッドデジタルフィルタを形成すること、及び、
(iii)前記所望の複合周波数応答を形成するために、前記複数の1次フィルタの少なくとも1つと、前記複数の高次フィルタの少なくとも1つとを加算方式または減算方式で相互接続すること、
のうちの少なくとも1つを実行するように構成されることを特徴とする植込み型医療装置。 - 請求項1~5のいずれかに記載の植込み型医療装置であって、
前記高次フィルタの少なくとも1つは、対応する遷移領域において第1の減衰率を示す周波数応答を有するように構成され、
前記1次フィルタの少なくとも1つは、対応する遷移領域において、前記第1の減衰率よりも小さい第2の減衰率を示す周波数応答を有するように構成されることを特徴とする植込み型医療装置。 - 植込み型医療装置(IMD)においてデータを処理する方法であって、
複数の1次フィルタ及び複数の高次フィルタを含み、前記複数の1次フィルタの少なくとも1つの1次フィルタと前記複数の高次フィルタの少なくとも1つの高次フィルタとの組み合わせを相互接続することによって定義される所望の電力要求量以下を使用する所望の複合周波数応答を有するハイブリッド信号処理(HSP)回路を用意するステップと、
感知回路で、患者の生理学的特徴を示す生理学的データを感知するステップと、
前記所望の複合周波数応答を用いて前記ハイブリッド信号処理(HSP)回路で前記生理学的データをフィルタリングして、フィルタリングされた生理学的データを提供するステップと、
前記複数の高次フィルタの前記少なくとも1つの高次フィルタを、広帯域ローパスフィルタとして構成し、かつ、前記複数の1次フィルタの前記少なくとも1つの1次フィルタを、前記広帯域ローパスフィルタのカットオフ周波数よりも低いカットオフ周波数を有する狭帯域ローパスフィルタとして構成するステップと、
を含むことを特徴とする方法。 - 請求項7に記載の方法であって、
前記フィルタリングされた生理学的データを処理または格納するステップをさらに含むことを特徴とする方法。 - 請求項7または8に記載の方法であって、
前記ハイブリッド信号処理(HSP)回路の前記複数の1次フィルタを定義するために、整数係数を使用して整数フィルタをプログラムするステップをさらに含むことを特徴とする方法。 - 請求項7~9のいずれかに記載の方法であって、
前記ハイブリッド信号処理(HSP)回路の前記複数の高次フィルタとして、2次再帰的デジタルフィルタを提供するステップ、及び、
前記高次フィルタとして、様々な対応する周波数通過帯域またはカットオフ周波数を有する双二次デジタルフィルタを提供するステップのうちの少なくとも一方をさらに含むことを特徴とする方法。 - 請求項10に記載の方法であって、
(i)前記複数の1次フィルタを、様々な対応するローパス周波数範囲を有するローパス整数フィルタと、様々な対応するハイパス周波数範囲を有するハイパス整数フィルタとして構成し、かつ、前記ローパス整数フィルタ、前記ハイパス整数フィルタ、及び前記双二次デジタルフィルタの少なくとも一部をカスケード方式で相互接続して、前記所望の複合周波数応答を有するハイブリッドデジタルフィルタを形成するステップ、及び、
(ii)前記複数の1次フィルタを、様々な対応するローパス周波数範囲を有するローパス整数フィルタと、様々な対応するハイパス周波数範囲を有するハイパス整数フィルタとして構成し、かつ、前記ローパス整数フィルタ、前記ハイパス整数フィルタ、及び前記双二次デジタルフィルタの少なくとも一部を加算方式または減算方式で相互接続して、前記所望の複合周波数応答を有するハイブリッドデジタルフィルタを形成するステップのうちの少なくとも一方をさらに含むことを特徴とする方法。 - 請求項7~11のいずれかに記載の方法であって、
前記複数の1次フィルタの少なくとも1つの周波数応答と前記複数の高次フィルタの少なくとも1つの周波数応答との畳み込みに基づいて前記所望の複合周波数応答を定義するステップをさらに含む、ことを特徴とする方法。 - 請求項7~12のいずれかに記載の方法であって、
前記高次フィルタの少なくとも1つを広帯域ローパスフィルタとして構成し、
前記1次フィルタの少なくとも1つを、前記広帯域ローパスフィルタのカットオフ周波数よりも低いカットオフ周波数を有する狭帯域ローパスフィルタとして構成するステップをさらに含むことを特徴とする方法。 - 請求項7~13のいずれかに記載の方法であって、
前記高次フィルタの少なくとも1つを、対応する遷移領域において第1の減衰率を示す周波数応答を有するように構成し、
前記1次フィルタの少なくとも1つを、対応する遷移領域において、前記第1の減衰率よりも小さい第2の減衰率を示す周波数応答を有するように構成するステップをさらに含むことを特徴とする方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/782,496 | 2017-10-12 | ||
US15/782,496 US10783223B2 (en) | 2017-10-12 | 2017-10-12 | Hybrid signal processing circuit for implantable medical devices and methods |
PCT/US2018/055210 WO2019075059A1 (en) | 2017-10-12 | 2018-10-10 | HYBRID SIGNAL PROCESSING CIRCUIT FOR IMPLANTABLE MEDICAL DEVICES AND METHODS |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2020536652A JP2020536652A (ja) | 2020-12-17 |
JP2020536652A5 JP2020536652A5 (ja) | 2021-08-12 |
JP7189210B2 true JP7189210B2 (ja) | 2022-12-13 |
Family
ID=64110073
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020520263A Active JP7189210B2 (ja) | 2017-10-12 | 2018-10-10 | 植込み型医療装置用のハイブリッド信号処理回路及び方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10783223B2 (ja) |
EP (1) | EP3641642B1 (ja) |
JP (1) | JP7189210B2 (ja) |
CN (1) | CN111343914B (ja) |
WO (1) | WO2019075059A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11317803B2 (en) | 2020-07-21 | 2022-05-03 | Pacesetter, Inc. | System and method for managing Bluetooth low energy advertising |
US20220117560A1 (en) * | 2020-10-21 | 2022-04-21 | Pacesetter, Inc. | Method and system for filtering noise of an implantable medical device |
US20220409143A1 (en) * | 2021-06-28 | 2022-12-29 | Pacesetter, Inc. | Method and system for optimizing filter settings of an implantable medical device |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001321353A (ja) | 2000-05-16 | 2001-11-20 | Sekisui Chem Co Ltd | 電気特性測定装置 |
US20070265537A1 (en) | 2006-05-15 | 2007-11-15 | Samuel Lee | Method and system for real-time digital filtering for electrophysiological and hemodynamic amplifers |
US20080033499A1 (en) | 2001-09-25 | 2008-02-07 | Pacesetter, Inc. | Implantable cardiac stimulation device, system and method which provides an electrogram signal facilitating measurement of slow-changing electrogram features |
JP2012105991A (ja) | 2009-05-27 | 2012-06-07 | Cardiac Pacemakers Inc | 横隔神経活性化の検知 |
JP2017525477A (ja) | 2014-08-22 | 2017-09-07 | メドトロニック,インコーポレイテッド | 心臓信号感知試験の視覚的表現 |
Family Cites Families (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3898592A (en) * | 1974-05-08 | 1975-08-05 | Sperry Rand Corp | Acoustic surface wave signal processors |
US4181133A (en) | 1978-05-22 | 1980-01-01 | Arco Medical Products Company | Programmable tachycardia pacer |
US4280502A (en) | 1979-08-08 | 1981-07-28 | Intermedics, Inc. | Tachycardia arrester |
DE3110014A1 (de) | 1980-05-19 | 1982-03-25 | Telectronics Pty. Ltd., Lane Cove, New South Wales | Aeusserlich rueckstellbarer tachykardie-regelschrittmacher |
US4488554A (en) | 1981-03-19 | 1984-12-18 | Telectronics Pty. Ltd. | Externally-inhibited tachycardia control pacer |
US4488553A (en) | 1981-03-19 | 1984-12-18 | Telectronics Pty. Ltd. | Externally controlled tachycardia control pacer |
US4407289A (en) | 1981-03-23 | 1983-10-04 | Telectronics Pty. Ltd. | Externally-reset tachycardia control pacer |
US4398536A (en) | 1981-07-17 | 1983-08-16 | Telectronics Pty. Ltd. | Scanning burst tachycardia control pacer |
US4686988A (en) | 1984-10-19 | 1987-08-18 | Sholder Jason A | Pacemaker system and method for measuring and monitoring cardiac activity and for determining and maintaining capture |
US4729376A (en) | 1985-05-28 | 1988-03-08 | Cordis Corporation | Cardiac pacer and method providing means for periodically determining capture threshold and adjusting pulse output level accordingly |
US4708142A (en) | 1985-05-28 | 1987-11-24 | Cordis Corporation | Automatic cardiac capture threshold determination system and method |
US4788980A (en) | 1986-07-18 | 1988-12-06 | Siemens-Pacesetter, Inc. | Pacemaker having PVC response and PMT terminating features |
US4809697A (en) * | 1987-10-14 | 1989-03-07 | Siemens-Pacesetter, Inc. | Interactive programming and diagnostic system for use with implantable pacemaker |
US4969467A (en) | 1988-03-25 | 1990-11-13 | Telectronics N.V. | Pacemaker with improved automatic output regulation |
US4940052A (en) | 1989-01-25 | 1990-07-10 | Siemens-Pacesetter, Inc. | Microprocessor controlled rate-responsive pacemaker having automatic rate response threshold adjustment |
US4944298A (en) | 1989-05-23 | 1990-07-31 | Siemens-Pacesetter, Inc. | Atrial rate based programmable pacemaker with automatic mode switching means |
US4944299A (en) | 1989-08-08 | 1990-07-31 | Siemens-Pacesetter, Inc. | High speed digital telemetry system for implantable device |
US5269313A (en) * | 1991-09-09 | 1993-12-14 | Sherwood Medical Company | Filter and method for filtering baseline wander |
US5350410A (en) | 1992-11-23 | 1994-09-27 | Siemens Pacesetter, Inc. | Autocapture system for implantable pulse generator |
US6275734B1 (en) | 1998-12-30 | 2001-08-14 | Pacesetter, Inc. | Efficient generation of sensing signals in an implantable medical device such as a pacemaker or ICD |
US7113589B2 (en) | 2001-08-15 | 2006-09-26 | Gennum Corporation | Low-power reconfigurable hearing instrument |
US6731982B1 (en) | 2001-10-19 | 2004-05-04 | Pacesetter, Inc. | Anti-tachycardia pacing methods and devices |
US7120484B2 (en) * | 2002-01-14 | 2006-10-10 | Medtronic, Inc. | Methods and apparatus for filtering EGM signals detected by an implantable medical device |
US7623914B1 (en) | 2005-04-11 | 2009-11-24 | Pacesetter, Inc. | Reconfigurable digital network for processing data in an implantable medical device |
US8086067B2 (en) * | 2006-12-20 | 2011-12-27 | Silicon Image, Inc. | Noise cancellation |
US8391980B2 (en) * | 2009-07-07 | 2013-03-05 | Pacesetter, Inc. | Method and system for identifying a potential lead failure in an implantable medical device |
WO2014052347A1 (en) * | 2012-09-26 | 2014-04-03 | Medtronic, Inc. | Therapy delivery method and system for implantable medical devices |
US9044610B2 (en) | 2013-03-15 | 2015-06-02 | Pacesetter, Inc. | Systems and methods for providing a distributed virtual stimulation cathode for use with an implantable neurostimulation system |
US9232485B2 (en) | 2013-08-23 | 2016-01-05 | Pacesetter, Inc. | System and method for selectively communicating with an implantable medical device |
US8831747B1 (en) | 2013-11-19 | 2014-09-09 | Pacesetter, Inc. | Leadless neurostimulation device and method including the same |
WO2015077773A1 (en) * | 2013-11-25 | 2015-05-28 | Massachusetts Eye & Ear Infirmary | Low power cochlear implants |
US9333351B2 (en) | 2013-12-16 | 2016-05-10 | Pacesetter, Inc. | Neurostimulation method and system to treat apnea |
WO2016029066A1 (en) * | 2014-08-20 | 2016-02-25 | Wright State University | Fractional scaling digital signal processing |
US9216285B1 (en) | 2014-12-18 | 2015-12-22 | Pacesetter, Inc. | Leadless implantable medical device having removable and fixed components |
WO2017089803A1 (en) | 2015-11-23 | 2017-06-01 | Anlotek Limited | Variable filter |
CN205215213U (zh) * | 2015-11-30 | 2016-05-11 | 常熟理工学院 | 一种新型心电监护装置 |
-
2017
- 2017-10-12 US US15/782,496 patent/US10783223B2/en active Active
-
2018
- 2018-10-10 WO PCT/US2018/055210 patent/WO2019075059A1/en unknown
- 2018-10-10 EP EP18797271.6A patent/EP3641642B1/en active Active
- 2018-10-10 CN CN201880061949.9A patent/CN111343914B/zh active Active
- 2018-10-10 JP JP2020520263A patent/JP7189210B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001321353A (ja) | 2000-05-16 | 2001-11-20 | Sekisui Chem Co Ltd | 電気特性測定装置 |
US20080033499A1 (en) | 2001-09-25 | 2008-02-07 | Pacesetter, Inc. | Implantable cardiac stimulation device, system and method which provides an electrogram signal facilitating measurement of slow-changing electrogram features |
US20070265537A1 (en) | 2006-05-15 | 2007-11-15 | Samuel Lee | Method and system for real-time digital filtering for electrophysiological and hemodynamic amplifers |
JP2012105991A (ja) | 2009-05-27 | 2012-06-07 | Cardiac Pacemakers Inc | 横隔神経活性化の検知 |
JP2017525477A (ja) | 2014-08-22 | 2017-09-07 | メドトロニック,インコーポレイテッド | 心臓信号感知試験の視覚的表現 |
Also Published As
Publication number | Publication date |
---|---|
US20190114393A1 (en) | 2019-04-18 |
WO2019075059A1 (en) | 2019-04-18 |
EP3641642B1 (en) | 2020-12-09 |
JP2020536652A (ja) | 2020-12-17 |
US10783223B2 (en) | 2020-09-22 |
EP3641642A1 (en) | 2020-04-29 |
CN111343914A (zh) | 2020-06-26 |
CN111343914B (zh) | 2023-04-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3364873B1 (en) | Multi-vector sensing in cardiac devices using a hybrid approach | |
US8548573B2 (en) | Dynamically filtered beat detection in an implantable cardiac device | |
JP7189210B2 (ja) | 植込み型医療装置用のハイブリッド信号処理回路及び方法 | |
US9999359B2 (en) | System and methods for detecting atrial tachyarrhythmia using hemodynamic sensors | |
CN107072581B (zh) | 电刺激脉冲递送之后的心脏事件感测以及心律检测的恢复 | |
US6275734B1 (en) | Efficient generation of sensing signals in an implantable medical device such as a pacemaker or ICD | |
US6658283B1 (en) | Implantable cardiac stimulation device, system and method which provides an electrogram signal having the appearance of a surface electrocardiogram | |
US6892092B2 (en) | Cardiac rhythm management system with noise detector utilizing a hysteresis providing threshold | |
US20080103535A1 (en) | Implantable Medical Devices Including Selectable Notch Filter Circuits | |
WO2007126578A2 (en) | Hemodynamic stability assessment based on heart sounds | |
WO2002009582A2 (en) | Method and apparatus for a morphology-preserving smoothing | |
WO2010090896A1 (en) | Cross-channel noise detector in implantable devices | |
US5558097A (en) | Method for tachyarrhythmia detection | |
US7024241B1 (en) | Pacing pulse waveforms that support simultaneous intracardiac signal sensing and analysis | |
WO2005115538A1 (en) | Passive switched capacitor high-pass filter for implantable medical device | |
US7364550B1 (en) | Method and device for motion and noise immunity in hemodynamic measurement | |
US20110263987A1 (en) | Respiration measurement by means of morphological operators | |
EP2561811A1 (de) | Vergleich der rechts- und linksventrikulären Kontraktion mittels Akzelerometer in einer herznahen Arterie | |
US7988634B1 (en) | Adaptive cancellation of a signal component | |
US7697983B1 (en) | Implantable cardiac device and method of optimizing storage of electrophysiological data | |
WO2014125673A1 (en) | Biological signal detecting apparatus and implantable medical device | |
US7613508B2 (en) | Implantable cardiac stimulation device, system and method which provides an electrogram signal facilitating measurement of slow-changing electrogram features | |
US7623914B1 (en) | Reconfigurable digital network for processing data in an implantable medical device | |
US20220354410A1 (en) | Device and method for detecting ventricular arrhythmias based on duty cycle characteristics | |
Klaassen | Cardiac Rhythm Management IC’s |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20210701 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20210701 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20220311 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20220510 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20220809 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20221115 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20221201 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7189210 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |