JP7303798B2 - 小児患者におけるカテーテル位置の測定 - Google Patents
小児患者におけるカテーテル位置の測定 Download PDFInfo
- Publication number
- JP7303798B2 JP7303798B2 JP2020514955A JP2020514955A JP7303798B2 JP 7303798 B2 JP7303798 B2 JP 7303798B2 JP 2020514955 A JP2020514955 A JP 2020514955A JP 2020514955 A JP2020514955 A JP 2020514955A JP 7303798 B2 JP7303798 B2 JP 7303798B2
- Authority
- JP
- Japan
- Prior art keywords
- ecg
- signal
- catheter
- wave
- peak
- 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
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/06—Devices, other than using radiation, for detecting or locating foreign bodies ; determining position of probes within or on the body of the patient
- A61B5/061—Determining position of a probe within the body employing means separate from the probe, e.g. sensing internal probe position employing impedance electrodes on the surface of the body
-
- 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
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
- A61B5/283—Invasive
-
- 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
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
- A61B5/283—Invasive
- A61B5/29—Invasive for permanent or long-term implantation
-
- 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
- A61B5/349—Detecting specific parameters of the electrocardiograph cycle
-
- 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
- A61B5/352—Detecting R peaks, e.g. for synchronising diagnostic apparatus; Estimating R-R interval
-
- 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
- A61B5/353—Detecting P-waves
-
- 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
- A61B5/6852—Catheters
-
- 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
- A61B5/7221—Determining signal validity, reliability or quality
-
- 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
- A61B5/7264—Classification of physiological signals or data, e.g. using neural networks, statistical classifiers, expert systems or fuzzy systems
- A61B5/7267—Classification of physiological signals or data, e.g. using neural networks, statistical classifiers, expert systems or fuzzy systems involving training the classification device
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/742—Details of notification to user or communication with user or patient ; user input means using visual displays
- A61B5/743—Displaying an image simultaneously with additional graphical information, e.g. symbols, charts, function plots
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/0017—Catheters; Hollow probes specially adapted for long-term hygiene care, e.g. urethral or indwelling catheters to prevent infections
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
- G06N20/00—Machine learning
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00017—Electrical control of surgical instruments
- A61B2017/00022—Sensing or detecting at the treatment site
- A61B2017/00039—Electric or electromagnetic phenomena other than conductivity, e.g. capacity, inductivity, Hall effect
- A61B2017/00044—Sensing electrocardiography, i.e. ECG
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
- A61B2034/2046—Tracking techniques
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2503/00—Evaluating a particular growth phase or type of persons or animals
- A61B2503/04—Babies, e.g. for SIDS detection
- A61B2503/045—Newborns, e.g. premature baby monitoring
-
- 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
- A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
-
- 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
- A61B5/7253—Details of waveform analysis characterised by using transforms
- A61B5/7257—Details of waveform analysis characterised by using transforms using Fourier transforms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
- A61M2039/1077—Adapters, e.g. couplings adapting a connector to one or several other connectors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/18—General characteristics of the apparatus with alarm
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2230/00—Measuring parameters of the user
- A61M2230/04—Heartbeat characteristics, e.g. ECG, blood pressure modulation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2240/00—Specially adapted for neonatal use
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Cardiology (AREA)
- Artificial Intelligence (AREA)
- Signal Processing (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Psychiatry (AREA)
- Physiology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Anesthesiology (AREA)
- Human Computer Interaction (AREA)
- Pulmonology (AREA)
- Evolutionary Computation (AREA)
- Hematology (AREA)
- Mathematical Physics (AREA)
- Software Systems (AREA)
- Theoretical Computer Science (AREA)
- Robotics (AREA)
- Fuzzy Systems (AREA)
- Radiology & Medical Imaging (AREA)
- Epidemiology (AREA)
- Data Mining & Analysis (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Urology & Nephrology (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
Description
[001] 本特許出願は、2017年10月19日出願の米国特許仮出願第62/574,403号の優先権を主張する。
Claims (6)
- 機械学習エンジンを用いて、患者におけるカテーテルの位置を自動的に測定する、コンピュータによって実行される方法であって、
患者に挿入されたカテーテルの先端から血管内心電図(ECG)信号を受け取る工程と、
前記血管内ECG信号を、信号品質測定モジュール及び位置測定モジュールを有する前記機械学習エンジンに入力する工程と、
前記信号品質測定モジュールによってクリーンな信号品質を有すると決定された前記血管内ECG信号を前記位置測定モジュールに渡す工程と、を含み、
前記信号品質測定モジュールは、クリーン、無信号、ノイズが多い信号、を有する信号品質でラベリングされ予め記録された血管内ECGトレーシングのセットを用いて事前に訓練されており、かつ、前記血管内ECG信号の周波数応答と、前記血管内ECG信号から抽出された特徴から決定されたP/R比と、に基づいて、前記血管内ECG信号の信号品質がクリーンであるか、無信号であるか、ノイズが多い信号であるか、を決定するように訓練されており、
前記位置測定モジュールは、カテーテルから取得され患者の体内の前記カテーテルの既知の位置にラベリングされて予め記録された血管内ECGトレーシングのセットを用いて事前に訓練されており、かつ、前記血管内ECG信号から抽出されたP波ピーク及びR波ピークの特性を有する位置のモデル化された関連付けに基づいて、前記患者内の前記カテーテルの前記先端の相対位置を決定するように訓練されており、P波ピーク及びR波ピークの前記特性は、平均化されたP波ピーク及びR波ピークのP/R比と、正規化され平均化されたP波ピーク及びR波ピークと、の一つ又は複数を含み、各正規化は、平均化された体表面ECG R波ピークと平均化された血管内R波ピークとの間の比、又は、平均化された体表面ECG R波ピーク及び平均化された血管内R波ピークの各々、に基づいて得られ、前記体表面ECGピークは、前記血管内ECG信号を受け取る前に取得されている、方法。 - 前記信号品質測定モジュールは、さらに、前記血管内ECG信号が空であるかノイズが多いと決定された場合に、アラートを生成するように構成されている、請求項1に記載の方法。
- 前記機械学習エンジンは、人工ニューラルネットワークアルゴリズム、深層学習アルゴリズム、ベイジアンネットワークアルゴリズム、決定木学習アルゴリズム及びルールベース学習アルゴリズムのうちの少なくとも1つを用いる、請求項1に記載の方法。
- 患者におけるカテーテルの位置を自動的に測定するために使用される、コンピュータに備えられる機械学習エンジンであって、
クリーン、無信号、ノイズが多い信号、を有する信号品質でラベリングされ予め記録された血管内ECGトレーシングのセットを用いて事前に訓練されており、かつ、前記血管内ECG信号の周波数応答と、前記血管内ECG信号から抽出された特徴から決定されたP/R比と、に基づいて、前記患者に挿入された前記カテーテルの先端からの血管内心電図(ECG)信号の信号品質がクリーンであるか、無信号であるか、ノイズが多い信号であるか、を決定するように訓練されている信号品質測定モジュールと、
カテーテルから取得され患者の体内の前記カテーテルの既知の位置にラベリングされて予め記録された血管内ECGトレーシングのセットを用いて事前に訓練されており、かつ、前記血管内ECG信号から抽出されたP波ピーク及びR波ピークの特性を有する位置のモデル化された関連付けに基づいて、前記患者内の前記カテーテルの前記先端の相対位置を決定するように訓練された位置測定モジュールと、を備え、
P波ピーク及びR波ピークの前記特性は、平均化されたP波ピーク及びR波ピークのP/R比と、正規化され平均化されたP波ピーク及びR波ピークと、の一つ又は複数を含み、各正規化は、平均化された体表面ECG R波ピークと平均化された血管内R波ピークとの間の比、又は、平均化された体表面ECG R波ピーク及び平均化された血管内R波ピークの各々、に基づいて得られ、前記体表面ECGピークは、前記血管内ECG信号を受け取る前に取得されており、
前記信号品質測定モジュールは、前記血管内ECG信号がクリーンな信号品質を有すると決定された場合に、前記血管内ECG信号を前記位置測定モジュールに渡すように構成されている、機械学習エンジン。 - 前記信号品質測定モジュールは、さらに、前記血管内ECG信号が空であるかノイズが多いと決定された場合に、アラートを生成するように構成されている、請求項4に記載の機械学習エンジン。
- 人工ニューラルネットワークアルゴリズム、深層学習アルゴリズム、ベイジアンネットワークアルゴリズム、決定木学習アルゴリズム及びルールベース学習アルゴリズムのうちの少なくとも1つを用いる、請求項4に記載の機械学習エンジン。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201762574403P | 2017-10-19 | 2017-10-19 | |
US62/574,403 | 2017-10-19 | ||
PCT/AU2018/051142 WO2019075529A1 (en) | 2017-10-19 | 2018-10-19 | DETERMINING THE LOCATION OF A CATHETER IN PEDIATRIC PATIENTS |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020537551A JP2020537551A (ja) | 2020-12-24 |
JP7303798B2 true JP7303798B2 (ja) | 2023-07-05 |
Family
ID=66172996
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020514955A Active JP7303798B2 (ja) | 2017-10-19 | 2018-10-19 | 小児患者におけるカテーテル位置の測定 |
Country Status (7)
Country | Link |
---|---|
US (1) | US11642176B2 (ja) |
EP (1) | EP3687394A4 (ja) |
JP (1) | JP7303798B2 (ja) |
CN (1) | CN111278354B (ja) |
AU (1) | AU2018352479A1 (ja) |
CA (1) | CA3075933A1 (ja) |
WO (1) | WO2019075529A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20200297238A1 (en) * | 2019-03-21 | 2020-09-24 | The Board Of Trustees Of The Leland Stanford Junior University | Apparatuses and methods for assisting, confirming, and monitoring placement of catheters in patients |
US11087464B2 (en) | 2019-06-27 | 2021-08-10 | Wisconsin Alumni Research Foundation | System and method for motion-adjusted device guidance using vascular roadmaps |
US11559242B2 (en) | 2020-01-30 | 2023-01-24 | Pacesetter, Inc. | Methods and systems for distinguishing over-sensed R-R intervals from true R-R intervals |
US11766207B2 (en) | 2020-06-01 | 2023-09-26 | Pacesetter, Inc. | Methods, devices and systems for improving R-wave detection and arrhtymia detection accuracy |
CN111887894B (zh) * | 2020-07-24 | 2021-07-13 | 辰浩医疗科技(广东)有限公司 | 一种胎心仪多普勒信号的归一化软件处理方法及系统 |
WO2024040023A1 (en) * | 2022-08-15 | 2024-02-22 | The United States Of America, As Represented By The Secretary, Department Of Health And Human Services | Systems and methods for electrocardiographic radial depth navigation of intracardiac devices |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013542756A (ja) | 2010-09-23 | 2013-11-28 | シー・アール・バード・インコーポレーテッド | 血管内エネルギーマッピングを使用してカテーテルを誘導するための装置および方法 |
WO2017122117A1 (en) | 2016-01-13 | 2017-07-20 | Uber Diagnostics Pte. Ltd. | A device and method for accurately navigating a catheter during vascular access |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8478382B2 (en) * | 2008-02-11 | 2013-07-02 | C. R. Bard, Inc. | Systems and methods for positioning a catheter |
WO2011019760A2 (en) * | 2009-08-10 | 2011-02-17 | Romedex International Srl | Devices and methods for endovascular electrography |
US10188831B2 (en) * | 2013-03-14 | 2019-01-29 | Angiodynamics, Inc. | Systems and methods for catheter tip placement using ECG |
US9445746B1 (en) * | 2013-03-14 | 2016-09-20 | Angio Dynamics, Inc. | Systems and methods for catheter tip placement using ECG |
US9440047B1 (en) * | 2013-03-14 | 2016-09-13 | Angiodynamics, Inc. | Systems and methods for catheter tip placement using ECG |
US9839372B2 (en) * | 2014-02-06 | 2017-12-12 | C. R. Bard, Inc. | Systems and methods for guidance and placement of an intravascular device |
US10973584B2 (en) * | 2015-01-19 | 2021-04-13 | Bard Access Systems, Inc. | Device and method for vascular access |
CN104771161A (zh) * | 2015-04-15 | 2015-07-15 | 深圳开立生物医疗科技股份有限公司 | 一种导管末端定位方法、装置和系统 |
CN105054922A (zh) * | 2015-07-17 | 2015-11-18 | 深圳开立生物医疗科技股份有限公司 | 一种血管内置管定位提示方法、装置和系统 |
CN105595990A (zh) * | 2016-01-27 | 2016-05-25 | 浙江铭众科技有限公司 | 一种用于心电信号质量评估判别的智能终端设备 |
-
2018
- 2018-10-19 WO PCT/AU2018/051142 patent/WO2019075529A1/en active Search and Examination
- 2018-10-19 JP JP2020514955A patent/JP7303798B2/ja active Active
- 2018-10-19 US US16/757,316 patent/US11642176B2/en active Active
- 2018-10-19 AU AU2018352479A patent/AU2018352479A1/en active Pending
- 2018-10-19 CA CA3075933A patent/CA3075933A1/en active Pending
- 2018-10-19 CN CN201880068075.XA patent/CN111278354B/zh active Active
- 2018-10-19 EP EP18867348.7A patent/EP3687394A4/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013542756A (ja) | 2010-09-23 | 2013-11-28 | シー・アール・バード・インコーポレーテッド | 血管内エネルギーマッピングを使用してカテーテルを誘導するための装置および方法 |
WO2017122117A1 (en) | 2016-01-13 | 2017-07-20 | Uber Diagnostics Pte. Ltd. | A device and method for accurately navigating a catheter during vascular access |
Also Published As
Publication number | Publication date |
---|---|
US20210259778A1 (en) | 2021-08-26 |
CA3075933A1 (en) | 2019-04-25 |
CN111278354A (zh) | 2020-06-12 |
EP3687394A4 (en) | 2021-08-25 |
US11642176B2 (en) | 2023-05-09 |
EP3687394A1 (en) | 2020-08-05 |
AU2018352479A1 (en) | 2020-03-26 |
CN111278354B (zh) | 2024-05-03 |
WO2019075529A1 (en) | 2019-04-25 |
JP2020537551A (ja) | 2020-12-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7303798B2 (ja) | 小児患者におけるカテーテル位置の測定 | |
KR102025313B1 (ko) | 광학적 중심 정맥압 측정 | |
Charlton et al. | Breathing rate estimation from the electrocardiogram and photoplethysmogram: A review | |
Finnegan et al. | Pulse arrival time as a surrogate of blood pressure | |
JP5667448B2 (ja) | 人体構造的に方向づけられたecgデータ表示を使用した被疑冠状動脈の自動識別 | |
CN113557576A (zh) | 在表征生理系统时配置和使用神经网络的方法和系统 | |
Kortekaas et al. | Small intra-individual variability of the pre-ejection period justifies the use of pulse transit time as approximation of the vascular transit | |
US9848785B2 (en) | Analysis and characterization of patient signals | |
JP6843122B2 (ja) | Ecgリード信号の高/低周波信号品質評価 | |
Pan et al. | Variation of the korotkoff stethoscope sounds during blood pressure measurement: analysis using a convolutional neural network | |
US10244958B2 (en) | Device for measurement and evaluation of cardiac function on the basis of thoracic impedance | |
Chabchoub et al. | Signal processing techniques applied to impedance cardiography ICG signals–a review | |
Abd Sukor et al. | Signal quality measures on pulse oximetry and blood pressure signals acquired from self-measurement in a home environment | |
Shah | Vital sign monitoring and data fusion for paediatric triage | |
Sulas et al. | A non-invasive multimodal foetal ECG–Doppler dataset for antenatal cardiology research | |
Hsu et al. | Heart rate and respiratory rate monitoring using seismocardiography | |
JP7462572B2 (ja) | ストレスおよび/または疼痛レベルを決定するための装置、システム、該システムの作動方法、該システムの作動方法を実行するコンピュータ可読コードを有するコンピュータ可読媒体 | |
Pimentel et al. | Respiratory rate estimation from the oscillometric waveform obtained from a non-invasive cuff-based blood pressure device | |
CN118102970A (zh) | 用于将来自生物物理信号的光电体积描记波形特征工程化以用于表征生理系统的方法和系统 | |
Alqudah et al. | Multiple time and spectral analysis techniques for comparing the PhotoPlethysmography to PiezoelectricPlethysmography with electrocardiography | |
Koohi et al. | Dynamic threshold algorithm to evaluate trustworthiness of the estimated blood pressure in oscillometry | |
US10251564B2 (en) | Thermal patient signal analysis | |
Alamdari | A morphological approach to identify respiratory phases of seismocardiogram | |
Duan et al. | Development of techniques for measurement of left ventricular ejection time | |
US20140364753A1 (en) | Patient signal analysis and characterization based on late potentials |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A529 | Written submission of copy of amendment under article 34 pct |
Free format text: JAPANESE INTERMEDIATE CODE: A529 Effective date: 20200501 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20210803 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20220708 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20220715 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20221013 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20221212 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230310 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230606 |
|
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: 20230616 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20230623 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7303798 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |