CN112912012B - 管腔内超声血管边界选择和相关联的设备、系统和方法 - Google Patents

管腔内超声血管边界选择和相关联的设备、系统和方法 Download PDF

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CN112912012B
CN112912012B CN201980070946.6A CN201980070946A CN112912012B CN 112912012 B CN112912012 B CN 112912012B CN 201980070946 A CN201980070946 A CN 201980070946A CN 112912012 B CN112912012 B CN 112912012B
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CN112912012A (zh
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A·奈尔
R·詹金斯
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Philips Image Guided Therapy Corp
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/12—Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/08—Clinical applications
    • A61B8/0833—Clinical applications involving detecting or locating foreign bodies or organic structures
    • A61B8/085—Clinical applications involving detecting or locating foreign bodies or organic structures for locating body or organic structures, e.g. tumours, calculi, blood vessels, nodules
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/08—Clinical applications
    • A61B8/0891—Clinical applications for diagnosis of blood vessels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/46—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient
    • A61B8/461—Displaying means of special interest
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/46—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient
    • A61B8/461—Displaying means of special interest
    • A61B8/463—Displaying means of special interest characterised by displaying multiple images or images and diagnostic data on one display
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/46—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient
    • A61B8/467—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient characterised by special input means
    • A61B8/469—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient characterised by special input means for selection of a region of interest
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N20/00—Machine learning
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N3/00—Computing arrangements based on biological models
    • G06N3/02—Neural networks
    • G06N3/04—Architecture, e.g. interconnection topology
    • G06N3/045—Combinations of networks
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N3/00—Computing arrangements based on biological models
    • G06N3/02—Neural networks
    • G06N3/04—Architecture, e.g. interconnection topology
    • G06N3/0464—Convolutional networks [CNN, ConvNet]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
    • G06N3/00—Computing arrangements based on biological models
    • G06N3/02—Neural networks
    • G06N3/08—Learning methods
    • G06N3/09—Supervised learning
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G06T7/0012—Biomedical image inspection
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/12—Edge-based segmentation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/149—Segmentation; Edge detection involving deformable models, e.g. active contour models
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/174—Segmentation; Edge detection involving the use of two or more images
    • 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
    • G16H30/00—ICT specially adapted for the handling or processing of medical images
    • G16H30/40—ICT specially adapted for the handling or processing of medical images for processing medical images, e.g. editing
    • 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
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10132—Ultrasound image
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20081—Training; Learning
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20084—Artificial neural networks [ANN]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20092—Interactive image processing based on input by user
    • G06T2207/20096—Interactive definition of curve of interest
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30004—Biomedical image processing
    • G06T2207/30101—Blood vessel; Artery; Vein; Vascular

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Public Health (AREA)
  • General Physics & Mathematics (AREA)
  • Veterinary Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Software Systems (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Evolutionary Computation (AREA)
  • Data Mining & Analysis (AREA)
  • Mathematical Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Computational Linguistics (AREA)
  • Vascular Medicine (AREA)
  • Primary Health Care (AREA)
  • Epidemiology (AREA)
  • Quality & Reliability (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
CN201980070946.6A 2018-10-26 2019-10-25 管腔内超声血管边界选择和相关联的设备、系统和方法 Active CN112912012B (zh)

Applications Claiming Priority (3)

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US201862750996P 2018-10-26 2018-10-26
US62/750,996 2018-10-26
PCT/IB2019/059166 WO2020084583A1 (en) 2018-10-26 2019-10-25 Intraluminal ultrasound vessel border selection and associated devices, systems, and methods

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CN112912012B true CN112912012B (zh) 2024-05-31

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US (1) US11596384B2 (https=)
EP (1) EP3870064A1 (https=)
JP (1) JP7299992B2 (https=)
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WO (1) WO2020084583A1 (https=)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022510654A (ja) 2018-11-28 2022-01-27 ヒストソニックス，インコーポレーテッド 組織破砕システムおよび方法
JP7568636B2 (ja) 2019-03-17 2024-10-16 ライトラボ・イメージング・インコーポレーテッド 動脈の撮像・評価のシステム及び方法並びに関連するユーザインタフェースに基づくワークフロー
WO2021117349A1 (ja) * 2019-12-10 2021-06-17 富士フイルム株式会社 情報処理装置、情報処理システム、情報処理方法、及び情報処理プログラム
WO2021115958A1 (en) 2019-12-10 2021-06-17 Koninklijke Philips N.V. Intraluminal image-based vessel diameter determination and associated devices, systems, and methods
US20230045488A1 (en) * 2020-01-06 2023-02-09 Philips Image Guided Therapy Corporation Intraluminal imaging based detection and visualization of intraluminal treatment anomalies
CA3169465A1 (en) 2020-01-28 2021-08-05 The Regents Of The University Of Michigan Systems and methods for histotripsy immunosensitization
WO2021199967A1 (ja) * 2020-03-30 2021-10-07 テルモ株式会社 プログラム、情報処理方法、学習モデルの生成方法、学習モデルの再学習方法、および、情報処理システム
BR112022025722A2 (pt) 2020-06-18 2023-03-07 Histosonics Inc Sistemas e métodos de acoplamento acústico e paciente de histotripsia
CA3190517A1 (en) 2020-08-27 2022-03-03 Timothy Lewis HALL Ultrasound transducer with transmit-receive capability for histotripsy
EP4265195B1 (en) * 2020-12-17 2025-04-16 FUJIFILM Corporation Ultrasonic diagnostic apparatus and control method for ultrasonic diagnostic apparatus
US12569210B2 (en) 2021-05-13 2026-03-10 Philips Image Guided Therapy Corporation Coregistration reliability with extraluminal image and intraluminal data
WO2022238058A1 (en) 2021-05-13 2022-11-17 Koninklijke Philips N.V. Preview of intraluminal ultrasound image along longitudinal view of body lumen
EP4337096A1 (en) 2021-05-13 2024-03-20 Koninklijke Philips N.V. Coregistration of intraluminal data to guidewire in extraluminal image obtained without contrast
WO2022238274A1 (en) 2021-05-13 2022-11-17 Koninklijke Philips N.V. Automatic measurement of body lumen length between bookmarked intraluminal data based on coregistration of intraluminal data to extraluminal image
CN117295467A (zh) 2021-05-13 2023-12-26 皇家飞利浦有限公司 来自先前的管腔外成像、管腔内数据和共配准的管腔内治疗指导
WO2022238276A1 (en) 2021-05-13 2022-11-17 Koninklijke Philips N.V. Pathway modification for coregistration of extraluminal image and intraluminal data
IL308943A (en) 2021-06-07 2024-01-01 Univ Michigan Regents All-inclusive ultrasound systems and methods that include histotripsy
WO2022260746A1 (en) 2021-06-07 2022-12-15 The Regents Of The University Of Michigan Minimally invasive histotripsy systems and methods
WO2023023144A1 (en) 2021-08-17 2023-02-23 Boston Scientific Scimed, Inc. Intravascular imaging system with automated calcium analysis and treatment guidance
WO2023042861A1 (ja) * 2021-09-17 2023-03-23 テルモ株式会社 学習モデル生成方法、画像処理装置、情報処理装置、訓練データ生成方法および画像処理方法
JP7680325B2 (ja) * 2021-09-30 2025-05-20 テルモ株式会社 コンピュータプログラム、情報処理装置及び情報処理方法
CN118541093A (zh) * 2021-12-22 2024-08-23 皇家飞利浦有限公司 利用深呼吸确认参考图像帧和目标图像帧的管腔内成像
WO2023169967A1 (en) * 2022-03-08 2023-09-14 Koninklijke Philips N.V. Intravascular ultrasound imaging with contour generation and editing for circular and non-circular blood vessel borders
JP7795010B2 (ja) * 2022-05-27 2026-01-06 ボストン サイエンティフィック サイムド，インコーポレイテッド 脈管内可視化のためのシステムおよび方法
CN119486668A (zh) * 2022-06-24 2025-02-18 皇家飞利浦有限公司 具有目标区域和参考区域的自动检测的管腔内超声成像
EP4608504A1 (en) 2022-10-28 2025-09-03 Histosonics, Inc. Histotripsy systems and methods
CN120826195A (zh) * 2023-01-19 2025-10-21 波士顿科学国际有限公司 用于自动血管腔边界追踪的点击校正
KR20260003742A (ko) 2023-04-20 2026-01-07 히스토소닉스, 인크. 치료 계획 및 요법을 위한 사용자 인터페이스들 및 작업 흐름들을 포함하는 히스토트립시 시스템들 및 연관된 방법들
WO2025090331A1 (en) * 2023-10-27 2025-05-01 Evident Vascular, Inc. Systems and methods for enhanced ultrasound imaging

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003503141A (ja) * 1999-07-02 2003-01-28 ザ・クリーブランド・クリニツク・フアンデーシヨン 有効な輪郭線作成法及びシステムを使用する血管内の超音波分析
JP2013005983A (ja) * 2011-06-27 2013-01-10 Hitachi Medical Corp 医用画像診断装置
JP2015173820A (ja) * 2014-03-14 2015-10-05 テルモ株式会社 画像処理装置、画像処理方法及びプログラム
CN105190693A (zh) * 2013-03-01 2015-12-23 波士顿科学国际有限公司 用于血管内超声序列中的管腔边界检测的系统和方法
CN105283901A (zh) * 2013-03-15 2016-01-27 光学实验室成像公司 校准和图像处理设备、方法和系统
CN105530871A (zh) * 2013-09-11 2016-04-27 波士顿科学国际有限公司 使用血管内超声成像系统选择和显示图像的系统和方法
CN107025667A (zh) * 2008-01-04 2017-08-08 韦伯斯特生物官能公司 利用多普勒超声的三维图像重建

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7226417B1 (en) 1995-12-26 2007-06-05 Volcano Corporation High resolution intravascular ultrasound transducer assembly having a flexible substrate
US6200268B1 (en) 1999-09-10 2001-03-13 The Cleveland Clinic Foundation Vascular plaque characterization
US7074188B2 (en) 2002-08-26 2006-07-11 The Cleveland Clinic Foundation System and method of characterizing vascular tissue
US7359554B2 (en) 2002-08-26 2008-04-15 Cleveland Clinic Foundation System and method for identifying a vascular border
US7175597B2 (en) 2003-02-03 2007-02-13 Cleveland Clinic Foundation Non-invasive tissue characterization system and method
US7022073B2 (en) 2003-04-02 2006-04-04 Siemens Medical Solutions Usa, Inc. Border detection for medical imaging
US7215802B2 (en) 2004-03-04 2007-05-08 The Cleveland Clinic Foundation System and method for vascular border detection
WO2006054267A1 (en) * 2004-11-19 2006-05-26 Koninklijke Philips Electronics, N.V. System and method for automated detection and segmentation of tumor boundaries within medical imaging data
US7831081B2 (en) 2005-08-15 2010-11-09 Boston Scientific Scimed, Inc. Border detection in medical image analysis
CN102821698B (zh) * 2010-03-31 2015-05-20 株式会社日立医疗器械 医用图像诊断装置以及医用图像的测量值再输入方法
CA3085777C (en) * 2010-11-08 2022-03-15 Conavi Medical Inc. Systems and methods for improved visualization during minimally invasive procedures
BR112013033913A2 (pt) 2011-04-28 2019-09-24 Koninl Philips Electronics Nv dispositivo de obtençao de imagem médica
US11272845B2 (en) * 2012-10-05 2022-03-15 Philips Image Guided Therapy Corporation System and method for instant and automatic border detection
WO2014164992A1 (en) * 2013-03-13 2014-10-09 Miller David G Coregistered intravascular and angiographic images
US9747525B2 (en) * 2014-06-16 2017-08-29 Siemens Healthcare Gmbh Method and system for improved hemodynamic computation in coronary arteries
US10474917B2 (en) 2017-09-26 2019-11-12 Siemens Healthcare Gmbh Smart editing of image-processing results
WO2019174971A1 (en) 2018-03-14 2019-09-19 Koninklijke Philips N.V. Alternative anatomical borders of blood vessels and associated devices, systems, and methods
EP3764915B1 (en) 2018-03-15 2025-07-16 Koninklijke Philips N.V. Determination and visualization of anatomical landmarks for intraluminal lesion assessment and treatment planning

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003503141A (ja) * 1999-07-02 2003-01-28 ザ・クリーブランド・クリニツク・フアンデーシヨン 有効な輪郭線作成法及びシステムを使用する血管内の超音波分析
CN107025667A (zh) * 2008-01-04 2017-08-08 韦伯斯特生物官能公司 利用多普勒超声的三维图像重建
JP2013005983A (ja) * 2011-06-27 2013-01-10 Hitachi Medical Corp 医用画像診断装置
CN105190693A (zh) * 2013-03-01 2015-12-23 波士顿科学国际有限公司 用于血管内超声序列中的管腔边界检测的系统和方法
CN105283901A (zh) * 2013-03-15 2016-01-27 光学实验室成像公司 校准和图像处理设备、方法和系统
CN105530871A (zh) * 2013-09-11 2016-04-27 波士顿科学国际有限公司 使用血管内超声成像系统选择和显示图像的系统和方法
JP2015173820A (ja) * 2014-03-14 2015-10-05 テルモ株式会社 画像処理装置、画像処理方法及びプログラム

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CN112912012A (zh) 2021-06-04
US20200129147A1 (en) 2020-04-30
JP2022509453A (ja) 2022-01-20
JP7299992B2 (ja) 2023-06-28
WO2020084583A1 (en) 2020-04-30
US11596384B2 (en) 2023-03-07
EP3870064A1 (en) 2021-09-01

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