JP6946569B2 - 癌治療用の電界整形リード - Google Patents
癌治療用の電界整形リード Download PDFInfo
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- JP6946569B2 JP6946569B2 JP2020542720A JP2020542720A JP6946569B2 JP 6946569 B2 JP6946569 B2 JP 6946569B2 JP 2020542720 A JP2020542720 A JP 2020542720A JP 2020542720 A JP2020542720 A JP 2020542720A JP 6946569 B2 JP6946569 B2 JP 6946569B2
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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
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
-
- 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
- A61N1/0408—Use-related aspects
- A61N1/0412—Specially adapted for transcutaneous electroporation, e.g. including drug reservoirs
- A61N1/0416—Anode and cathode
- A61N1/0424—Shape of the electrode
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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
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/05—Electrodes for implantation or insertion into the body, e.g. heart electrode
-
- 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
- A61N1/37211—Means for communicating with stimulators
- A61N1/37235—Aspects of the external programmer
- A61N1/37247—User interfaces, e.g. input or presentation means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/02—Radiation therapy using microwaves
-
- 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
- A61N1/36031—Control systems using physiological parameters for adjustment
-
- 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
- A61N1/37211—Means for communicating with stimulators
- A61N1/37217—Means for communicating with stimulators characterised by the communication link, e.g. acoustic or tactile
- A61N1/37223—Circuits for electromagnetic coupling
- A61N1/37229—Shape or location of the implanted or external antenna
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Surgery (AREA)
- Radiology & Medical Imaging (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Otolaryngology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Hospice & Palliative Care (AREA)
- Oncology (AREA)
- Electromagnetism (AREA)
- Plasma & Fusion (AREA)
- Pathology (AREA)
- Cardiology (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Biophysics (AREA)
- Human Computer Interaction (AREA)
- Electrotherapy Devices (AREA)
Description
第6の態様では、先行する若しくは以下の態様の1つ以上に加えて、又はいくつかの態様の代替として、植え込み型リードは、癌性腫瘍に面するように構成された第1の側と、第1の側の反対側の第2の側と、を有するパドルを含むことができ、1つ以上の電極は第1の側に配置されている。
第11の態様では、先行する若しくは以下の態様の1つ以上に加えて、又はいくつかの態様の代替として、癌性腫瘍を治療する方法が提供される。当該方法は、患者内にリードを植え込むことであって、リードは、基端部と先端部とを有するリード本体を含む、ことを含み得る。リード本体は、1つ以上の電極と、リード本体を通り、1つ以上の電極とリード本体の基端部との間に電気通信を提供するための1つ以上の導体と、を含み得る。リードはまた、リード本体の直径の周囲に非対称に、1つ以上の電極の一部分にわたって配置された絶縁材料を含み得る。当該方法はまた、1つ以上の電極から癌性腫瘍の部位に又は部位の近傍に1つ以上の電界を発生させることを含み得る。
第19の態様では、先行する若しくは以下の態様の1つ以上に加えて、又はいくつかの態様の代替として、植え込み型リードは、どの電極がリード本体の基端部と現在電気通信しているかを変更するための切替機構を実装するように構成され得る。
第21の態様では、先行する若しくは以下の態様の1つ以上に加えて、又はいくつかの態様の代替として、カフは、構造破損なしに直径を50%拡張することができる。
第23の態様では、先行する若しくは以下の態様の1つ以上に加えて、又はいくつかの態様の代替として、カフは、拡張可能な織基材から作成される。
第28の態様では、先行する若しくは以下の態様の1つ以上に加えて、又はいくつかの態様の代替として、癌治療システムのためのリードが提供される。リードは、基端部と先端部とを有するリード本体を含み得る。リード本体は、コイル電極と、リード本体を通り、コイル電極とリード本体の基端部との間に電気通信を提供するための1つ以上の導体と、を含み得る。リードはまた、コイル電極上に配置された絶縁材料を含み得る。
第30の態様では、先行する若しくは以下の態様の1つ以上に加えて、又はいくつかの態様の代替として、絶縁材料の一部分は不連続であり、間隙を作成する。
この発明の概要は、本願の教示のいくつかの概要であり、本対象の排他的又は網羅的治療を意図するものではない。更なる詳細は詳細な説明及び付属の特許請求の範囲に記載されている。当業者には、他の態様は、それぞれ限定の意味で解釈されるべきではない、以下の詳細な説明を読み、理解すると共に、その一部を成す図面を見ると明らかであろう。本明細書の範囲は、付属の特許請求の範囲及びそれらの法的均等物により定義される。
リード及び電極
本明細書中に記載されるリードは、いくつかの手法を用いて、体内の、癌性腫瘍の部位近傍に配置され得る。1つ以上のリードの配置には、経血管配置、皮下腔へのトンネリング、及び/又は外科的配置などの手法を使用することを含み得る。いくつかの実施形態では、1つ以上のリードの配置は、1つ以上の天然身体開口部を通した配置を含み得る。リードは、癌性腫瘍に隣接して又は癌性腫瘍内に配置され得る。いくつかの実施形態では、癌性腫瘍の近くで又は遠くで複数のリードが使用され得る。
治療パラメータ
癌性腫瘍の成功的治療は、電界強度、周波数、細胞の不均一性、細胞の大きさ、癌細胞の種類、腫瘍の大きさ、及び体内の位置を含むいくつかの変数に依存し得る。本明細書中に記載される医療デバイスを使用し、様々な治療パラメータが実施され得る。1つ以上の治療的パラメータセットは医療デバイスのメモリにプログラムされ、図3に示される制御回路306によって実施され得る。例示的な治療的パラメータセットは、以下の概念を実施するものを含み得る:様々な周波数の掃引、1つ以上の周波数の同時スタッキング、1つ以上の周波数の逐次ステッピング、1つ以上の電界の空間的又は時間的送達、様々な電界強度の掃引、有効な回転電界の印加、電圧制御モード又は電流制御モードの調整、1つ以上のデューティサイクルの実施、パルス幅変調、波形形状及び/又はパルス系列の操作、並びに高周波又は高電界強度パルスの時折の使用。
電界発生器
本明細書で具現化される医療デバイスは、癌性腫瘍の治療過程中に使用される治療法及び診断法に特に適した電界発生器を含み得る。いくつかの実施形態では、本明細書での使用に適した電界発生器は、癌性腫瘍の主要治療として指示されることの多い放射線治療の有害な作用にその構成要素が耐えるようにするために放射硬化で処理されたものを含み得る。電界発生器は、上記の図3及び図5を参照して説明したものなどの構成要素を含み得る。
Claims (2)
- 癌治療システムのためのリードであって、
基端部と先端部とを有するリード本体であって、前記リード本体内に配置され、電気通信を提供する1つ以上の導体を含む、リード本体と、
前記1つ以上の導体上に配置された絶縁材料であって、前記絶縁材料は、1つ以上の第1の区域と1つ以上の第2の区域とを含み、前記第1の区域にわたる前記絶縁材料の厚さは前記第2の区域にわたる前記絶縁材料の厚さよりも大きく、前記第2の区域は、癌性腫瘍の部位に又は部位の近傍に1つ以上の電界を発生させるための電極として機能する、絶縁材料と、
前記リード本体の外面上に周方向に配置された絶縁フランジと、
を含み、
前記絶縁フランジは絶縁材料を含み、2つの前記第2の区域の間の直接電気伝導路を遮断する、リード。 - 前記1つ以上の第1の区域にわたる前記絶縁材料は、前記1つ以上の第2の区域にわたる前記絶縁材料と異なる、請求項1に記載のリード。
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201762575687P | 2017-10-23 | 2017-10-23 | |
| US62/575,687 | 2017-10-23 | ||
| US16/167,079 | 2018-10-22 | ||
| US16/167,079 US12403306B2 (en) | 2017-10-23 | 2018-10-22 | Electric field shaping leads for treatment of cancer |
| PCT/US2018/057117 WO2019084013A1 (en) | 2017-10-23 | 2018-10-23 | ELECTRIC FIELD SHAPING WIRES FOR THE TREATMENT OF CANCER |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2021500202A JP2021500202A (ja) | 2021-01-07 |
| JP6946569B2 true JP6946569B2 (ja) | 2021-10-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020542720A Active JP6946569B2 (ja) | 2017-10-23 | 2018-10-23 | 癌治療用の電界整形リード |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US12403306B2 (ja) |
| EP (1) | EP3700627B2 (ja) |
| JP (1) | JP6946569B2 (ja) |
| CN (1) | CN111465429B (ja) |
| AU (1) | AU2018354159B2 (ja) |
| CA (1) | CA3079314C (ja) |
| WO (1) | WO2019084013A1 (ja) |
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| EP3700627B1 (en) | 2021-12-01 |
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| WO2019084013A1 (en) | 2019-05-02 |
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| AU2018354159A1 (en) | 2020-05-14 |
| US12403306B2 (en) | 2025-09-02 |
| CN111465429A (zh) | 2020-07-28 |
| CA3079314C (en) | 2023-08-22 |
| US20190117970A1 (en) | 2019-04-25 |
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