JP7459047B2 - システム及び方法 - Google Patents
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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
- A61N1/36002—Cancer treatment, e.g. tumour
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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
- A61N1/40—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/08—Arrangements or circuits for monitoring, protecting, controlling or indicating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0033—Features or image-related aspects of imaging apparatus, e.g. for MRI, optical tomography or impedance tomography apparatus; Arrangements of imaging apparatus in a room
- A61B5/0036—Features or image-related aspects of imaging apparatus, e.g. for MRI, optical tomography or impedance tomography apparatus; Arrangements of imaging apparatus in a room including treatment, e.g., using an implantable medical device, ablating, ventilating
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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
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/053—Measuring electrical impedance or conductance of a portion of the body
- A61B5/0537—Measuring body composition by impedance, e.g. tissue hydration or fat content
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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
- A61B5/05—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
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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
- A61B5/48—Other medical applications
- A61B5/4836—Diagnosis combined with treatment in closed-loop systems or methods
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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
- A61B5/72—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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
- A61B6/5211—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data
- A61B6/5217—Devices using data or image processing specially adapted for radiation diagnosis involving processing of medical diagnostic data extracting a diagnostic or physiological parameter from medical diagnostic data
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/0404—Electrodes for external use
- A61N1/0472—Structure-related aspects
- A61N1/0476—Array electrodes (including any electrode arrangement with more than one electrode for at least one of the polarities)
-
- 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
- A61N1/36014—External stimulators, e.g. with patch electrodes
- A61N1/3603—Control systems
- A61N1/36034—Control systems specified by the stimulation parameters
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/10—Segmentation; Edge detection
- G06T7/11—Region-based segmentation
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- 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
- G06T2207/20081—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
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30004—Biomedical image processing
- G06T2207/30096—Tumor; Lesion
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Description
細胞増殖抑制効果(%)=(1-実験群の細胞数/対照群の細胞数)×100
吸収エネルギー密度=電力損失密度×電場印加時間
吸収比エネルギー=(電力損失密度×電場印加時間)÷(質量密度)
周波数加重値(使用周波数)=細胞増殖抑制効果(基準周波数)/細胞増殖抑制効果(使用周波数)
処方線量(使用周波数)=処方線量(基準周波数)×周波数加重値
Claims (6)
- 臓器と腫瘍とが含まれた患者の医療映像において臓器と腫瘍とを分類し、前記臓器と前記腫瘍との位置関係を区分する映像分類部と、
前記映像分類部によって分類された各領域の物性情報を設定する物性情報設定部と、
腫瘍の種類及び腫瘍の状態情報を考慮して、処方方法を設定し、処方線量、治療回数、治療時間及び治療周波数を含む処方情報を決定する処方情報決定部と、
前記映像分類部によって分類された各領域の位置を考慮して、電場癌治療のために使われる電極の個数、電極の位置及び電極別の電場強度を初期設定し、該初期設定に基づいて体内線量分布を計算する線量算出部と、
前記電極の個数、電極の位置及び電極別の電場強度のうち少なくとも1つを変更して、前記処方線量が腫瘍に最大限付与され、周辺の正常組織には最小限に付与されるように、線量を最適化する線量最適化部と、
を含み、
前記物性情報は、人体内の各組織の電気伝導度と質量密度とを含み、
前記処方方法は、吸収エネルギー密度基盤の方式及び吸収比エネルギー基盤の方式のうち何れか1つであり、設定された処方方法によって、前記処方線量の単位が吸収エネルギー密度及び吸収比エネルギーのうち何れか1つに決定され、
前記吸収エネルギー密度は、前記物性情報に基づいて、下記の数式、
吸収エネルギー密度=電力損失密度×電場印加時間
によって計算し、
前記吸収比エネルギーは、前記物性情報に基づいて、下記の数式、
吸収比エネルギー=(電力損失密度×電場印加時間)÷(質量密度)
によって計算し、
前記電力損失密度は、前記電気伝導度と前記電場強度を用いて定義される
システム。 - 前記電気伝導度は、磁気共鳴映像(MRI)または既構築の人体組織別の電気伝導度DBに基づいて設定されることを特徴とする請求項1に記載のシステム。
- 前記質量密度は、コンピュータ断層映像(CT)または既構築の人体組織別の質量密度DBに基づいて設定されることを特徴とする請求項1に記載のシステム。
- 前記処方情報決定部は、既定の基準周波数に対して組織に伝達された吸収エネルギーによって、前記処方線量を決定することを特徴とする請求項1に記載のシステム。
- 前記処方情報決定部は、前記治療周波数が前記基準周波数と異なる場合、周波数による生物学的効果を反映するための周波数加重値を適用して、前記処方線量を修正することを特徴とする請求項4に記載のシステム。
- システムが、臓器と腫瘍とが含まれた患者の医療映像において臓器と腫瘍とを分類し、前記臓器と前記腫瘍との位置関係を区分する段階と、
前記システムが、分類された各領域の物性情報を設定する段階と、
前記システムが、腫瘍の種類及び腫瘍の状態情報を考慮して、処方方法を設定し、処方線量、治療回数、治療時間及び治療周波数を含む処方情報を決定する段階と、
前記システムが、分類された各領域の位置を考慮して、電場癌治療のために使われる電極の個数、電極の位置及び電極別の電場強度を初期設定し、該初期設定に基づいて体内線量分布を計算する段階と、
前記システムが、前記電極の個数、電極の位置及び電極別の電場強度のうち少なくとも1つを変更して、前記処方線量が腫瘍に最大限付与され、周辺の正常組織には最小限に付与されるように、線量を最適化する線量最適化段階と、
を含み、
前記物性情報は、人体内の各組織の電気伝導度と質量密度とを含み、
前記処方方法は、吸収エネルギー密度基盤の方式及び吸収比エネルギー基盤の方式のうち何れか1つであり、設定された処方方法によって、前記処方線量の単位が吸収エネルギー密度及び吸収比エネルギーのうち何れか1つに決定され、
前記吸収エネルギー密度は、前記物性情報に基づいて、下記の数式、
吸収エネルギー密度=電力損失密度×電場印加時間
によって前記システムが計算し、
前記吸収比エネルギーは、前記物性情報に基づいて、下記の数式、
吸収比エネルギー=(電力損失密度×電場印加時間)÷(質量密度)
によって前記システムが計算し、
前記電力損失密度は、前記電気伝導度と前記電場強度を用いて定義される
方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2020-0088365 | 2020-07-16 | ||
| KR1020200088365A KR102490645B1 (ko) | 2020-07-16 | 2020-07-16 | 흡수에너지 기반 전기장 암치료 계획 시스템 및 방법 |
| PCT/KR2020/009527 WO2022014761A1 (ko) | 2020-07-16 | 2020-07-20 | 흡수에너지 기반 전기장 암치료 계획 시스템 및 방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2022544720A JP2022544720A (ja) | 2022-10-21 |
| JP7459047B2 true JP7459047B2 (ja) | 2024-04-01 |
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| JP2021502968A Active JP7459047B2 (ja) | 2020-07-16 | 2020-07-20 | システム及び方法 |
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| Country | Link |
|---|---|
| US (1) | US12011589B2 (ja) |
| EP (1) | EP3967365A4 (ja) |
| JP (1) | JP7459047B2 (ja) |
| KR (2) | KR102490645B1 (ja) |
| CN (1) | CN114269274B (ja) |
| WO (1) | WO2022014761A1 (ja) |
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| KR102831198B1 (ko) | 2022-09-16 | 2025-07-09 | 주식회사 필드큐어 | 충격량 기반 처방을 이용한 암치료 계획 결정 시스템 및 암치료 계획 평가 시스템 |
| EP4338789B1 (en) * | 2022-09-16 | 2025-03-12 | Fieldcure Co., Ltd. | System for determining and evaluating tumor treatment plan using dose based on impulse |
| WO2024090939A1 (ko) * | 2022-10-25 | 2024-05-02 | 주식회사 필드큐어 | 전기장 전달 시스템 및 방법 |
| CN116258024B (zh) * | 2023-05-16 | 2023-08-29 | 赛福凯尔(绍兴)医疗科技有限公司 | 目标区域的电场可视化方法、装置和计算机设备 |
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- 2020-07-20 JP JP2021502968A patent/JP7459047B2/ja active Active
- 2020-07-20 WO PCT/KR2020/009527 patent/WO2022014761A1/ko not_active Ceased
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100030211A1 (en) | 2008-04-29 | 2010-02-04 | Rafael Davalos | Irreversible electroporation to treat aberrant cell masses |
| WO2019148268A1 (en) | 2018-02-02 | 2019-08-08 | University Health Network | Devices, systems, and methods for tumor visualization and removal |
Also Published As
| Publication number | Publication date |
|---|---|
| US12011589B2 (en) | 2024-06-18 |
| EP3967365A1 (en) | 2022-03-16 |
| KR20220152989A (ko) | 2022-11-17 |
| WO2022014761A1 (ko) | 2022-01-20 |
| JP2022544720A (ja) | 2022-10-21 |
| CN114269274A (zh) | 2022-04-01 |
| EP3967365A4 (en) | 2022-12-28 |
| KR102490645B1 (ko) | 2023-01-25 |
| CN114269274B (zh) | 2024-06-28 |
| US20220184391A1 (en) | 2022-06-16 |
| KR20220009764A (ko) | 2022-01-25 |
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