JP6006470B2 - 誘電体装荷を備えた表面焼灼アンテナ - Google Patents
誘電体装荷を備えた表面焼灼アンテナ Download PDFInfo
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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
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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
- A61B18/1815—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
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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
- A61B18/1815—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves
- A61B2018/183—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves characterised by the type of antenna
- A61B2018/1838—Dipole antennas
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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
- A61N5/04—Radiators for near-field treatment
- A61N5/045—Radiators for near-field treatment specially adapted for treatment inside the body
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
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- Y10T29/49—Method of mechanical manufacture
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Description
Claims (12)
- 電気外科手術装置であって、
内側導体(220)、前記内側導体(220)の周囲に同軸に配置された外側導体(224)、およびその間に配置された誘電材料(222)を有する同軸の供給線(226)と、
前記内側導体(220)の遠位端で縦方向に配置された細長い導電部材(270)と、
前記外側導体(224)の遠位部分の周囲に同軸に配置されたバラン絶縁体(320)、および前記バラン絶縁体(320)の近位部分の周囲に同軸に配置された導電性バランスリーブ(430、630)を含むバラン構造(B)と、
前記導電性バランスリーブ(430、630)の遠位部分の周囲に同軸に配置された導電性シリンダー(540、640、940)と、
前記導電性シリンダー(540、640、940)の遠位端と隣接して配置された誘電構造(850)であって、前記誘電構造(850)が、前記導電部材(270)の遠位端を被覆するように、前記導電性シリンダー(540、640、940)の遠位端から前記導電部材(270)の遠位端に縦方向に伸長する、誘電構造(850)と、
前記同軸の供給線(226)の遠位端で、前記外側導体(224)の一部分の周りに同軸に配置された細長いハンドル・アセンブリ(820)であって、前記ハンドル・アセンブリ(820)が前記誘電構造(850)の近位に配置される、ハンドル・アセンブリ(820)と、
前記細長いハンドル・アセンブリ(820)の遠位端で配置された複数の誘電層を備えるシェル・アセンブリ(1240、1340、1740、1940)であって、前記シェル・アセンブリ(1240、1340、1740、1940)の一部分が前記導電部材(270)の遠位端を越えて遠位に伸長する、シェル・アセンブリ(1240、1340、1740、1940)と、
を備える、電気外科手術装置。 - 前記同軸の供給線(226)の内側導体(220)の一部分および誘電材料(222)が、前記同軸の供給線(226)の遠位端で前記外側導体(224)を越えて伸長する、請求項1に記載の電気外科手術装置。
- 前記導電部材(270)が前記内側導体(220)に電気的に結合される、請求項1に記載の電気外科手術装置。
- 前記導電性バランスリーブ(430、630)が、
前記バラン絶縁体(320)の近位部分の周囲に同軸に配置された第1部分(431、641)と、
前記第1部分(431、641)の近位に配置された第2部分(432、642)であって、前記第2部分(432、642)が前記外側導体(224)に電気的に結合される、第2部分(432、642)と、
を備える、請求項1に記載の電気外科手術装置。 - 前記導電部材(270)の周囲に少なくとも部分的に配置された冷却チャンバ(1560)をさらに備える、請求項1に記載の電気外科手術装置。
- 前記冷却チャンバ(1560)に冷却液を供給するように構成された流入管(961)と、
前記冷却チャンバ(1560)から前記冷却液を分配するように構成された流出管(962)と、
をさらに備える、請求項5に記載の電気外科手術装置。 - 電気外科手術装置を製造する方法であって、
内側導体(220)、外側導体(224)、およびその間に配置された誘電材料(222)を有する同軸の供給線(226)を設けるステップと、
前記同軸の供給線(226)の遠位端で、前記内側導体(220)の遠位端に細長い導電部材(270)を接合するステップと、
前記外側導体(224)の遠位部分にバラン絶縁体(320)を接合するステップと、
前記バラン絶縁体(320)の近位部分に導電性バランスリーブ(430、630)を接合するステップと、
前記導電性バランスリーブ(430、630)の遠位部分に導電性シリンダー(540、640、940)を接合するステップと、
前記導電性シリンダー(540、640、940)の遠位端と隣接して配置された近位端を有する誘電構造(850)を形成するステップであって、前記誘電構造(850)が、前記導電部材(270)の遠位端を被覆するように、前記導電性シリンダー(540、640、940)の遠位端から前記導電部材(270)の遠位端に縦方向に伸長する、ステップと、
前記同軸の供給線(226)の遠位端で、前記外側導体(224)に細長いハンドル・アセンブリ(820)を接合するステップであって、前記ハンドル・アセンブリ(820)が前記誘電構造(850)の近位に配置される、ステップと、
複数の誘電層を備えるシェル・アセンブリ(1240、1340、1740、1940)を、前記細長いハンドル・アセンブリ(820)の遠位端に接合するステップであって、前記シェル・アセンブリ(1240、1340、1740、1940)の一部分が前記導電部材(270)の遠位端を越えて遠位に伸長する、ステップと、
を含む、方法。 - 前記誘電構造(850)が、前記導電部材(270)の遠位端を覆うように構成された誘電材料(222)のキャップ(852)を備える、請求項7に記載の電気外科手術装置を製造する方法。
- 前記シェル・アセンブリ(1240、1340、1740、1940)が、内側部分、および前記内側部分の周りに配置された外側部分を備える、請求項7に記載の電気外科手術装置を製造する方法。
- 前記シェル・アセンブリ(1240、1340、1740、1940)の外側部分が導電材料を備え、前記シェル・アセンブリ(1240、1340、1740、1940)の内側部分が前記複数の誘電層を備える、請求項9に記載の電気外科手術装置を製造する方法。
- 前記シェル・アセンブリ(1240、1340、1740、1940)の外側部分が、その中に画定された陥所を有する平表面を備える、請求項9に記載の電気外科手術装置を製造する方法。
- 前記陥所が、前記誘電構造(850)の少なくとも一部分を受入れるように構成される、請求項11に記載の電気外科手術装置を製造する方法。
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US12/542,348 | 2009-08-17 | ||
US12/542,348 US8328801B2 (en) | 2009-08-17 | 2009-08-17 | Surface ablation antenna with dielectric loading |
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JP2011036674A JP2011036674A (ja) | 2011-02-24 |
JP6006470B2 true JP6006470B2 (ja) | 2016-10-12 |
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US20130103029A1 (en) | 2013-04-25 |
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US8328801B2 (en) | 2012-12-11 |
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US8568407B2 (en) | 2013-10-29 |
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