JP2011511538A - チョークされた誘電体装荷先端ダイポールマイクロ波アンテナ - Google Patents
チョークされた誘電体装荷先端ダイポールマイクロ波アンテナ Download PDFInfo
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- 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
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- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
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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
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Abstract
Description
Claims (24)
- マイクロ波アンテナ・アセンブリであって、
内側導体、外側導体、およびその間に内側絶縁体を備える供給線と、
異なる長さの近位部分および遠位部分を有する不平衡のダイポールアンテナを備える放射部分とを含有し、ここで前記近位部分が前記内側導体および前記内側絶縁体の少なくとも一部分を備え、前記遠位部分が導電性部材を備える、マイクロ波アンテナ・アセンブリ。 - 前記供給線の少なくとも一部分の周囲に配置され、内側の誘電層および外側の導電層を備えるチョークをさらに含有する、請求項1に記載のマイクロ波アンテナ・アセンブリ。
- 前記外側の導電層が、前記供給線の前記外側導体に短絡される、請求項2に記載のマイクロ波アンテナ・アセンブリ。
- 前記内側の誘電層が、前記外側の導電層を越えて遠位に伸長する、請求項2に記載のマイクロ波アンテナ・アセンブリ。
- 前記内側の誘電層が、テトラフルオロエチレンおよびペルフルオロプロピレンから成る群から選択される、請求項4に記載のマイクロ波アンテナ・アセンブリ。
- 前記供給線、流入用液体ポート、および流出用液体ポートに連結されたケーブルコネクタを備える接続ハブをさらに含有する、請求項1に記載のマイクロ波アンテナ・アセンブリ。
- 挿入基部、先細の端部、およびとがった端部を有し、前記不平衡のダイポールアンテナの前記遠位端に連結された先端と、
前記接続ハブおよび前記先端に連結され、それにより前記供給線および前記放射部分の周囲にチャンバを画定するシースと、をさらに含有する請求項6に記載のマイクロ波アンテナ・アセンブリ。 - 前記流入用液体ポートに連結され、誘電冷却液を供給するためチャンバ内に配置された、少なくも1つの流入管と、
前記流出用液体ポートに連結され、前記誘電冷却液を引き出すために前記チャンバと液体連通する、少なくとも1つの流出管と、をさらに含有する請求項6に記載のマイクロ波アンテナ・アセンブリ。 - 前記チョークの前記外側の導電層の遠位端の周囲に配置されたシールと、
前記接続ハブおよび前記シールに連結され、それにより前記供給線の周囲に近位チャンバを画定する冷却ジャケットと、をさらに含有する請求項6に記載のマイクロ波アンテナ・アセンブリ。 - 前記放射部分の周囲に適合するように導入された、その中に画定された中心空洞を有し、前記シールに連結された中実の誘電体装荷をさらに含有する、請求項9に記載のマイクロ波アンテナ・アセンブリ。
- 前記中実の誘電体装荷が、約2.5から約150の誘電率を有する誘電性材料から形成される、請求項10に記載のマイクロ波アンテナ・アセンブリ。
- 前記流入用液体ポートに連結され、誘電冷却液を供給するために前記近位チャンバ内に配置された少なくとも1つの流入管と、
前記流出用液体ポートに連結され、前記誘電冷却液を引き出すために前記近位チャンバと液体連通する少なくとも1つの流出管と、をさらに含有する請求項9に記載のマイクロ波アンテナ・アセンブリ。 - マイクロ波アンテナ・アセンブリであって、
内側導体、外側導体、およびその間に配置された内側絶縁体を備える供給線と、
異なる長さの近位部分および遠位部分を有する不平衡のダイポールアンテナを備える放射部分であり、ここで前記近位部分が前記内側導体および前記内側絶縁体の少なくとも一部分を備え、前記遠位部分が導電性部材を備える、前記放射部分と、
前記供給線の少なくとも一部分の周囲に配置され、内側の誘電層および外側の導電層を備えるチョークであり、ここで前記外側の導電層が前記供給線の前記外側導体に短絡され、前記内側の誘電層が前記外側の導電層を越えて遠位に伸長する、前記チョークと、を含有するマイクロ波アンテナ・アセンブリ。 - 前記供給線、流入用液体ポート、および流出用液体ポートに連結されたケーブルコネクタを備える接続ハブをさらに含有する、請求項13に記載のマイクロ波アンテナ・アセンブリ。
- 前記供給線および前記放射部分の周囲にチャンバを画定する前記供給線および前記放射部分を覆って位置されたシースをさらに含有し、ここで前記チャンバが誘電冷却液を循環させるように導入されている、請求項13に記載のマイクロ波アンテナ・アセンブリ。
- 前記シースがポリイミド・カテーテルである、請求項15に記載のマイクロ波アンテナ・アセンブリ。
- 挿入基部、先細の端部、およびとがった端部を有し、先端が前記不平衡のダイポールアンテナの前記遠位端に連結された前記先端をさらに備える、請求項15に記載のマイクロ波アンテナ・アセンブリ。
- 前記シースが、前記接続ハブおよび前記先端に接続される、請求項17に記載のマイクロ波アンテナ・アセンブリ。
- 前記流入用液体ポートに連結され、前記誘電冷却液を供給するために前記チャンバ内に配置された少なくとも1つの流入管と、
前記流出液体ポートに連結され、前記誘電冷却液を引き出すために前記チャンバと液体連通する少なくとも1つの流出管と、をさらに備える請求項13に記載のマイクロ波アンテナ・アセンブリ。 - マイクロ波アンテナ・アセンブリであって、
内側導体、外側導体、およびその間に配置された内側絶縁体を備える供給線と、
異なる長さでできた近位部分および遠位部分を有する不平衡のダイポールアンテナを備える放射部分であり、ここで前記近位部分が前記内側導体および前記内側絶縁体の少なくとも一部分を備え、前記遠位部分が導電性部材を備える、前記放射部分と、
前記供給線の少なくとも一部分の周囲に配置され、内側の誘電層および外側の導電層を備えるチョークであり、ここで前記外側の導電層が前記供給線の前記外側導体に短絡され、前記内側の誘電層が前記外側の導電層を越えて遠位に伸長する、前記チョークと、
前記供給線の周囲に近位チャンバを画定する前記供給線を覆って配置された冷却ジャケットであり、前記チャンバが誘電冷却液を循環させるように導入されている、前記冷却ジャケットと、
前記放射部分の周囲に適合するように導入された、その中に画定された中心空洞を有し、前記冷却ジャケットから伸長する中実の誘電体装荷と、を含有するマイクロ波アンテナ・アセンブリ。 - 前記供給線、流入用液体ポート、および流出用液体ポートに連結されたケーブルコネクタを含む接続ハブと、
前記チョークの前記外側の導電層の遠位端の周囲に配置されたシールであり、前記冷却ジャケットが前記接続ハブおよび前記シールに連結され、それにより前記供給線の周囲に近位チャンバを画定する、前記シールと、をさらに含有する請求項20記載のマイクロ波アンテナ・アセンブリ。 - 前記中実の誘電体装荷が、アルミナセラッミックまたはポリアミドプラスチックから成る群から選択され、約2.5から約150の誘電率を有する誘電性材料から形成される、請求項20に記載のマイクロ波アンテナ・アセンブリ。
- 前記流入用液体ポートに連結され、誘電冷却液を供給するために前記近位チャンバ内に配置された少なくとも1つの流入管と、
前記流出用液体ポートに連結され、前記誘電冷却液を引き出すために前記近位チャンバと液体連通する、少なくとも1つの流出管と、をさらに含有する請求項20に記載のマイクロ波アンテナ・アセンブリ。 - 前記冷却ジャケットが、医療グレードの金属から形成される、請求項20に記載のマイクロ波アンテナ・アセンブリ。
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US2303108P | 2008-01-23 | 2008-01-23 | |
US12/350,292 US8945111B2 (en) | 2008-01-23 | 2009-01-08 | Choked dielectric loaded tip dipole microwave antenna |
PCT/US2009/031658 WO2009094422A1 (en) | 2008-01-23 | 2009-01-22 | Choked dielectric loaded tip dipole microwave antenna |
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JP2011511538A true JP2011511538A (ja) | 2011-04-07 |
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US (5) | US8945111B2 (ja) |
EP (4) | EP2736122B1 (ja) |
JP (1) | JP2011511538A (ja) |
KR (1) | KR101521957B1 (ja) |
CN (2) | CN101926046B (ja) |
AU (1) | AU2009206445B2 (ja) |
CA (1) | CA2712776C (ja) |
WO (1) | WO2009094422A1 (ja) |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015503963A (ja) * | 2011-12-21 | 2015-02-05 | ニューウェーブ メディカル, インコーポレイテッドNeuwave Medical, Inc. | エネルギー供給システムおよびその使用方法 |
JP2015521895A (ja) * | 2012-06-29 | 2015-08-03 | コヴィディエン リミテッド パートナーシップ | マイクロ波アンテナプローブ |
US9566115B2 (en) | 2009-07-28 | 2017-02-14 | Neuwave Medical, Inc. | Energy delivery systems and uses thereof |
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AU2009206445B2 (en) | 2013-12-05 |
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KR20110005234A (ko) | 2011-01-17 |
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