EP4329875A4 - Surveillance de position anatomique en temps réel pour traitement de radiothérapie - Google Patents

Surveillance de position anatomique en temps réel pour traitement de radiothérapie Download PDF

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Publication number
EP4329875A4
EP4329875A4 EP22796941.7A EP22796941A EP4329875A4 EP 4329875 A4 EP4329875 A4 EP 4329875A4 EP 22796941 A EP22796941 A EP 22796941A EP 4329875 A4 EP4329875 A4 EP 4329875A4
Authority
EP
European Patent Office
Prior art keywords
radiotherapy
real
position monitoring
anatomical position
time anatomical
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.)
Pending
Application number
EP22796941.7A
Other languages
German (de)
English (en)
Other versions
EP4329875A1 (fr
Inventor
Philip P. NOVOSAD
Silvain Beriault
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Elekta Inc
Original Assignee
Elekta Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US17/302,252 external-priority patent/US12133993B2/en
Priority claimed from US17/302,254 external-priority patent/US11679276B2/en
Application filed by Elekta Inc filed Critical Elekta Inc
Publication of EP4329875A1 publication Critical patent/EP4329875A1/fr
Publication of EP4329875A4 publication Critical patent/EP4329875A4/fr
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Measuring devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb
    • A61B5/113—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb occurring during breathing
    • A61B5/1135—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb occurring during breathing by monitoring thoracic expansion
    • 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
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1048—Monitoring, verifying, controlling systems and methods
    • A61N5/1049—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam
    • 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
    • G06N3/08—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
    • G06T7/20—Analysis of motion
    • G06T7/246—Analysis of motion using feature-based methods, e.g. the tracking of corners or segments
    • G06T7/248—Analysis of motion using feature-based methods, e.g. the tracking of corners or segments involving reference images or patches
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2576/00—Medical imaging apparatus involving image processing or analysis
    • 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
    • G06T2207/10072—Tomographic images
    • G06T2207/10081—Computed x-ray tomography [CT]
    • 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
    • G06T2207/10072—Tomographic images
    • G06T2207/10088—Magnetic resonance imaging [MRI]
    • 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
    • G06T2207/20076—Probabilistic image processing
    • 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
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30004—Biomedical image processing
    • G06T2207/30096—Tumor; Lesion

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Biomedical Technology (AREA)
  • Artificial Intelligence (AREA)
  • General Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Public Health (AREA)
  • Molecular Biology (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Medical Informatics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Surgery (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Evolutionary Computation (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Software Systems (AREA)
  • Data Mining & Analysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Physiology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Computing Systems (AREA)
  • Psychiatry (AREA)
  • Computational Linguistics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Signal Processing (AREA)
  • Fuzzy Systems (AREA)
  • Multimedia (AREA)
  • Radiation-Therapy Devices (AREA)
EP22796941.7A 2021-04-28 2022-04-18 Surveillance de position anatomique en temps réel pour traitement de radiothérapie Pending EP4329875A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US17/302,252 US12133993B2 (en) 2021-04-28 2021-04-28 Real-time anatomic position monitoring in radiotherapy using machine learning regression
US17/302,254 US11679276B2 (en) 2021-04-28 2021-04-28 Real-time anatomic position monitoring for radiotherapy treatment control
PCT/US2022/071772 WO2022232749A1 (fr) 2021-04-28 2022-04-18 Surveillance de position anatomique en temps réel pour traitement de radiothérapie

Publications (2)

Publication Number Publication Date
EP4329875A1 EP4329875A1 (fr) 2024-03-06
EP4329875A4 true EP4329875A4 (fr) 2024-09-04

Family

ID=83847420

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22796941.7A Pending EP4329875A4 (fr) 2021-04-28 2022-04-18 Surveillance de position anatomique en temps réel pour traitement de radiothérapie

Country Status (2)

Country Link
EP (1) EP4329875A4 (fr)
WO (1) WO2022232749A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12133993B2 (en) 2021-04-28 2024-11-05 Elekta, Inc. Real-time anatomic position monitoring in radiotherapy using machine learning regression
CN118512724B (zh) * 2024-06-05 2024-11-05 江苏大学附属医院 基于ct图像的放射治疗剂量预测系统
GB2644233A (en) * 2024-09-24 2026-03-25 Elekta Inc Methods for treatment planning

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210046327A1 (en) * 2018-10-25 2021-02-18 Elekta, Inc. Real-time patient motion monitoring using a magnetic resonance linear accelerator (mrlinac)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3932303B2 (ja) * 2005-05-13 2007-06-20 独立行政法人放射線医学総合研究所 臓器動態の定量化方法、装置、臓器位置の予測方法、装置、放射線照射方法、装置及び臓器異常検出装置
US20180043182A1 (en) * 2015-03-06 2018-02-15 Duke University Systems and methods for automated radiation treatment planning with decision support
US20170337682A1 (en) * 2016-05-18 2017-11-23 Siemens Healthcare Gmbh Method and System for Image Registration Using an Intelligent Artificial Agent
WO2020077198A1 (fr) * 2018-10-12 2020-04-16 Kineticor, Inc. Modèles fondés sur des images permettant un suivi des informations biométriques et de mouvement sans marqueur en temps réel dans des applications d'imagerie
US11040221B2 (en) * 2019-08-13 2021-06-22 Elekta Ltd. Adaptive radiation therapy using composite imaging slices

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210046327A1 (en) * 2018-10-25 2021-02-18 Elekta, Inc. Real-time patient motion monitoring using a magnetic resonance linear accelerator (mrlinac)

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
FENG LI ET AL: "Tracking Lung Tumors in Orthogonal X-Rays", COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE, vol. 2013, 15 November 2013 (2013-11-15), pages 1 - 7, XP055088537, ISSN: 1748-670X, DOI: 10.1155/2013/650463 *
See also references of WO2022232749A1 *
WEI RAN ET AL: "Convolutional Neural Network (CNN) Based Three Dimensional Tumor Localization Using Single X-Ray Projection", IEEE ACCESS, vol. 7, 14 February 2019 (2019-02-14), pages 37026 - 37038, XP011717566, DOI: 10.1109/ACCESS.2019.2899385 *

Also Published As

Publication number Publication date
WO2022232749A1 (fr) 2022-11-03
EP4329875A1 (fr) 2024-03-06

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