TWI375579B - Radiation applicator and radiation application assembly - Google Patents
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- A—HUMAN NECESSITIES
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- 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
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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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- A—HUMAN NECESSITIES
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- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
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- 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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- A—HUMAN NECESSITIES
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- A—HUMAN NECESSITIES
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- 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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Description
1375579 九、發明說明: 【發明所屬之技術領域】 本發明係有關於醫學技術,且特別是關於-種微波輻 射施加器’及-種利㈣射微波進行熱性組織燒灼治療之 方法。 【先前技術】 熱性燒灼醫療可被定義為有意地降低身體組織溫度(低 體溫).,或有意地提高身體組織溫度(高體溫),至細胞毒效 應所要求或對一特定治療之其他醫療性溫度所要求的溫度 之技術》 本發明係有關於高體溫熱性燒灼醫療。這些範例可包 含RF、雷射、聚焦(或超高速度)超音波及微波治療。 Μ波熱性燒灼仰賴於微波構成了水分子與微波輻射間 之互動而產生熱的電磁波頻譜一.部分的事實,該熱性可被 用來作為細胞毒機制。治療牽涉到將一施加器引入至腫瘤 内。微波是從施加器所釋放’其繞於其頂端附近構成一場 域。對水分子的直接加熱特別是會出現在該施加器附近所 產生之輕射微波場域内,而非來自該探針本身的傳導性。 因此加熱並非仰賴於透過組織之傳導性,並且會快速地觸 抵細胞毒溫度水準。 微波熱性燒灼技術適用於治療肝臟、腦部、肺臟、骨 頭等之腫瘤。 美國專利第4494539號揭示一種利用微波之外科手術 方法’其特徵在於該微波從一接附於一用以傳送微波之同 6 轴境線的頂端之單極型態運作電極而賴射至生物組織,並 且藉由使用從該微波對生物組織之反錢產生的熱能對該 =物組織進行一凝結、止血或截斷手術。可按一簡易、安 全及無血方式對該生物組織進行手術。因此,本方法可用 於具有龐大血容之實質性器官的手術,或是用於實質性腫 瘤的凝血或截斷處理。根據該方法,可執行於一傳統上被 視為極困難的肝癌手術。亦揭示一種一微波輻射施加器。 可能的治療亦包含肝臟、脾臟及卵巢的腫瘤。 美國專利第6325796號揭示一種微波燒灼組件及方 去,其中包含一極薄、長型探針,此者具有一基部接取末 多而以及一經調適以穿入生物組織内之相對尾部穿透末 鳊。該探針定義一延伸從該接取末端延伸至其穿透末端之 插入通道。—燒灼導管包含一同軸傳輸線,而一天線裝置 耦接於該傳輸線之尾部末端,以產生一;足夠強大俾令進行 組織燒灼的電場。該同軸傳輸線包含由一介電材料媒體所 分隔之内部導體及外部導體。該傳輸線之一基部末端係耦 接於一微波能量來源。該天線裝置及該傳輸線各者具有一 經調適以當將該長型探針放置在該生物組織内時可透過該 插入通道而滑動接收之橫截面維度。此滑動前進會繼續, 一直到該天線裝置被移到越過該穿透末端之位置,且進一 步直接地接觸到該生物組織為止。 然而,現有技術的缺點包含無法將該等最佳地按機械 方式組態設定,以插入且貫穿過人體皮膚而遞送至一待予 治療之軟組織區域的事實。通常,已知輻射施加器系統並 I375579 未具備採用此等技術時所希望 ^ 帀1具有之經提高的實體硬度。 此外,有些之刖所可與用 .. 又用的輕射施加器並未具有產生 舄治療軟組織腫瘤所最佳化之 件,/皮麥域樣式之輻射發射元 牛並且即如具有一簡易的單極設計。 同時,給定於部分的瘅用λ、α 的應用/冶療t所採用之功率水準, 窃有因该施加器或接附於此之 件抵達極咼溫度而燒灼到 非目軚、健康組織之所不欲問題。 此外’雖已知有微小直徑祐如哭 ^ ^ ^加益,且既已採用液體冷 :技術,然在採用為處理軟組織腫瘤所需之功率水準的應 困I::會有設計出具有足夠冷卻效果之微小直徑裝置的 故需要能夠克服任何哎所古於.+·止‘ ^ # 、, j ^所有則述先前技藝技術之問 蹲’並提供經改善之效率的敕.舛睹,成、丄汰+ 千叩软、,且織腫瘤治療友法以及輻射 應用。 【發明内容】 哭本發明提供一種用以對組織施加電磁輻射之籍射施加 ^ ’其中包含一耦接於一電磁輻射來源之導體;以及一經 周適以將一預設強度樣式之電磁能量遞送至該組織内之介 電組件。 取好,該輻射施加器包含:一耦接於一電磁輻射來源 之軸向中心導體;一長型介電組件,該介電組件沿該中心 導組之軸線長度而繞於至少一部分的該中心導體丨一長型 金屬套圈,該套圈係繞於該中心導體,且沿其長度而與之 平行延伸。 八 8 根據本發明之另—姓里上,—A _ 特點该套圏及該介電組件具有合 作表面’且其中該套圈及該 茨"电組件係經近密鄰接而相互 固定於該合作表面,藉此提供一硬固結構。 在本發明之另-特點裡,該輕射施加器進一步包含: 伯調導體’該者係接附於該,央導體且電接觸於此;其 中亥咕調導體之形狀及維度及該介電組件之形狀及維度及, 或其介電性質係屬預定者,藉此構成一輻射雙極,而在使 用上按來自4介電組件之至少一輻射方向輻射出電磁能 量β 在本發明之另一特點裡,該輻射施加器進一步包含: 一長型金屬管;其中該套圈係固^地接附於其對該介電組 :及對該金屬管之相對個別邊側上;且其中該中先導體係 $耦接於1延伸於該金屬管内之纜線,一長型環狀空間係 定義於線及該金屬管之間’從而允許冷卻流體傳通到 至少該套圈。 在本發明之另一特點裡,提供一將電磁輻射施加於組 織之輻射施加器’纟中包含:一耦接於一電磁輻射來源之 車由向中〜導體,一長型介電組件,該介電組件沿該中心導 體之軸線長度而繞於至少一部分的該中心導體;一長型金 屬套圈,該套圈係繞於該中心導體,且沿其長度而與之平 行延伸,一長型金屬管,此係繞於一部分的中央導體而遠 離於由該介電組件所環繞之部分;其中該套圈係固定地接 附於其對該介電組件及對該金屬管之相對個別邊側上;且 其中遠中央導體包含一延伸於該金屬管内之纜線的内部導 9 1375579 如· ’ 一長型壞狀空間係定義於該纜線及該金屬管之間,從 而允許冷卻流體傳通到至少該套圈。 本發明進一步提供一種治療像是腫瘤之目標組織的方 法n廇目標組織係、由軟組織所構成及/或嵌入於其内, 該:法包含:將一輻射施加器插入該目標組織,該輻射施 加态係根據本文所述之任—具體實施例;將電磁能量供應 至該施加e,藉此將電磁能量輕射入該目標組織内。u 【實施方式】
現將藉範例方式,並參照於各隨附圖式,以說明本發 明各項具體實施例。在如後說明冑,類似編號會被用以表 S主類似7L #’且其中各維度係按毫米所給定。此外,熟諳 本項技藝之人士一應即瞭解,根據本發明,經採用以產生、 遞送及控制對人體組織各部分 ^ 、分丨刀施加輻射的電子系統可如先
如業界所述。特··別是,w M 。j疋了抓用该等如共同擁有之公告國際 專利申請案第WO95/04385、WOQO…c W099/56642 及 WOOO/49957 號案文所描述的系統(除如後文 、卞3使又所述之修改者外):爲簡便 起見,兹將該等系統之完整細節予以省略。 圖1係根據本發明一具體實施例之輻射施加器的部分 截面示意圖。該輕射施加器概經標註& 1〇2,其中包含: 一同軸纜線1 〇4之一尾部太她加 P末而邛伤,此係耦接於—微波來 源(未以圖示)、一銅質套圈1〇6、一 Ί接附於該同軸纜線1 〇4 之絕緣部分的末端丨1〇之諧調墊 纪圈108 ’以及一頂端112。 最好,該施加器102進一步包今 .Η ^ ^ /匕3—金屬管114,此金屬管 1 14係硬固接附於該套圈j 〇 ,並如後文所詳述,在該纜 10 1375579 線1〇4之外部導豸118以及該金屬管114之内側表面間定 義-极狀空間116 ’讓冷卻流體流人(按箭頭方向A)接觸到 该施加II 102的加熱部分,而經由該金屬| "4之秤向孔 洞12〇按箭頭方向B離開’藉此從該裝置擷取出心量。
在該施加器1〇2的組件裡,該塾圈1〇8會被焊二纜 二104之中央導體124的一微小長度122,而延伸超越該 縵線1〇4之絕緣體126的末端11〇。該套圈⑽會被焊至 該I線H)4之外部導體118的微小圓柱區段(標註為⑶)。 然後’該金屬f 114會最好是由不鏽鋼材f,,然亦可由其 他像是鈦質(或任何其他醫療等級材料)之適當材料所製 成,且藉由黏著劑(像是L〇ctite 638黏著化合物)在經標註 為130及132之接觸表面處黏附於該套圈1〇6。利用相同 勺黏著劑,6玄頂端i 12:在其内部表面上被黏附於該套圈⑽ 及。亥蹺線之絕緣部分;丨26的相對應外部表面。 #經組裝後,該施加器1〇2構成一沿其長度硬固且穩定 之早—裝置,這在當納入該金屬管114時可為25厘米左 等級使其適合於插入各種型態的軟組織。該空間i J 6 及孔洞120可讓冷卻流體透過接觸到該套圈1〇6、該纜線 之外。P導體11 8及該金屬管丨14之末端而從該施加器 頁取出熱。s玄套圈1 〇6有助於確保該施加器的硬固度。 規線104之曝出末端區段134 (該外部導體η 8已自此移 除)連同於該介電頂端112,經饋以一預定頻率之輻射來 源,而在作田 災用上可運作如一輻射天線以將微波輻射進入組 ’、我以供醫療性治療。該施加器102在使用上運作如一雙極 11 1375579 天線’而非單極裝置,獲致一種因其球狀直接加熱區域(較 大燒灼)故有利於治療某些像是惡性組織或腫瘤性組織的發 射輻射樣式。 圖2如圖!之輻射施加器輻射頂端部分ιΐ2的⑷軸向 截面,及⑻末端視圖(在各情況下,該維度係按毫米所給 定)。即如圖中所觀察到,該頂$ 112具有内部圓柱型壁 202 2G4,及鄰接壁寫、細,供組裝過程中分別接收及 鄰接該墊圈108盥奈園】μ — <山 μ ”套圈1〇6。该頂端Π2可適當地由氧化 σ金㈣成。更佳地’這會是具有氧化記作為穩定 ^匕劑之部份穩定的氧化錯(PSZ)e甚至更佳者,該頂端ιΐ2 疋由 Technox 2000 (可向 DvnaTni> r y 1C Ceramic公司購得)所製 成’此為一種相較於1他PS7而目权a a, ”他而具極細微均勻顆粒並且且 電r(k)值25之叹。適當選擇介電材料有助於: 疋所幸田射之微波能量(場域)的性質。 直徑==維度會比較小:在所述具體實施例裡,該 有维产、3於2.4毫未’且該頂端112係經設計以且 、.,U由特定材料構成,使得能夠按該運作微波 ,例二為2.45GHZ)來執行有效的組織燒灼。因此該 米直徑裝置即很適於插入並治療肝臟、腦、肺· 骨骼等的癌症及/或非癌症組織。 —脈、 該頂端1!2的末端210是由在該頂端⑴ 所執行之傳統研磨技術而構成。該末# 2ι 4内 如針狀),或可被構成為一末端薄片(即如::二 長型之橫向維度。後者組態具有报適於強制該頂 12 ^/5579 端1 12進入或穿過組織之優點,亦即以穿透或鑽過組織之 表面(即如皮膚)。 使用上°玄頂蜮H2會最好是鍍有一像是矽膠或聚對 二甲苯(Paralene)的非黏性層,以有助於相對於組織的移 動。 圖3顯不如_ 1之輕射施加器的金屬f 1 14部分之部 分橫戴面圖4金屬管114係適當地由不鏽鋼(特別是規格 13之薄壁304焊接硬抽(WHD)不鏽鋼管)所製成。在本具 體實施例裡,該金屬管! 14長度約215毫米;圖3中僅詳 細繪出接附於該套圈106之末端區段β 即如圖中可觀察到,在本例中分別地在離該金屬管】工4 之末端302為12及13毫米處提供有兩組孔洞12〇、12〇^ 化些徑向孔洞120、120,即如前述可供排出冷卻流體。圖 中雖繪出兩組孔洞,然在所述具體實施例之各種變化裡, 可提供1、3、4組或更多組的孔洞。此外,圖中雖繪出每 組裡有兩個孔洞,然每組中可提供有3、4、5或更多個孔 洞,只要不會犧牲該金屬管114之結構硬固度即可。在此 具體實施例裡,該孔洞12〇、120’具〇 5毫米的直徑,然應 瞭解可根據孔洞的組數及/或每組中的孔洞數量而定,此直 徑可相當不同,即如從〇】到〇6毫米孓範圍藉此提供 有效的流率。所繪對該末端302之距離雖為1 2或1 3毫米, 然在替代性具體實施例裡’此值可為距該末端3〇2為從3 毫米到5厘米的範圍,藉此控制要求燒灼處理之軌跡的長 度。 13 1375579 此外,在按不同方式運用之具體實施例裡,可省略該 金屬管114。在此情況下,治療作業可包含藉由適當外科 或其他技術,將該施加器遞送至該治療位置(即如腫瘤组 織)。例如,在腦部腫瘤的情況下,可將該施加器遺留在該 腫瘤内部的位置處,將接取處封閉,然後將一消毒連接器 留在頭骨表面,以供後續連接至微波來源而在稍後日期進 行後續治療。 圖4顯示如圖!之輻射施加器1〇2内的諧調墊圈1〇8 之⑷橫截面圖’及(b)軸向截面圖。該墊圈1〇8可為適當地 由銅貝所製成,然亦可採用其他金屬。該墊圈1〇8具有一 内部圓柱型表面402,可供焊於該纜線1〇4之中央導體124 (參見圖1)。該墊圈雖屬微小者,然其維度極為關鍵。該 塾圈1〇8可諸調該施加器,而運作如-:雙極賴射器(從兩個 位置輻射能量),因此可進行更為有效:的組織治療(燒灼)。 圖5顯不如圖1之輻射施加器1 02内的套圏1 〇6之(a) ,向截面’及(b)末端視圖。該套目1〇6可適當地由銅質所 ^成’且最好;^鑛金’以保護防止該冷卻流體的腐姓性影 響’後文中將討論此者的組成。該套目1〇6可適當地由傳 ”先(即如CNC)機具加工技術所製成。 、圖6說明-可接附於如圖1之輻射施加器102内的金 屬B 1 14之握把區段6〇2的⑷軸向截面,及B橫截面 圖3玄握把區段6〇2可適當地為不鏽鋼且最好是按與該金 屬管114相同材質所構成。該握把區段包含一可供组裝過 程中插入該金屬管114的前端通道6()4,以及—可供組裝 1J/5579 過程中插入該同轴缓線104的後端通道6〇6。一具有内部 螺,61G之橫向連接埠_可供連接適當地為塑夥)連 接。。俾連接至一冷卻流體來源,即如後述。一旦經組裝 後-玄排置可讓5玄冷卻流體按箭頭c的方向流入該金屬管 Π 4 (未以圖示)。 —圖7說明在如圖i之輻射施加@ 1〇2裡,通過該金屬 管U4之同軸纜線104的部份。該纜線104適當地包含一 像是SJS-070LL-253-Strip纜線之低損失同轴鏡線。一連接 盗702 (適當地為SMA母型態)可將該纜線ι〇4連接至一微 波來源(未以圖示)’或連接至該同軸纜線之一中介區段(未 以圖示)然後再連接到該微波來源。 ..圖8係S n相對於對圖丨輻射施加器之頻率的點繪圖。 此圖說明來自該施加器1〇2與所治療組織的:介面之反射性 經夂射微波功率對於傳入該施加器1〇2之總輸入功率的比 值。即如所觀察到者,該施加器i 〇2的設計會在所遞送之 微波的頻率(2.45GHz)處令所反射之功率為最小值,且因此 傳入該組織之所送功率為最大值。 圖9(a)顯不繞於如圖i之輻射施加器1〇2附近的電場 分佈。鄰近於該施加器102之較暗色表示較高電場點處。 在圖9(a)裡,該墊圈108的位置係表示於9〇2處,而該頂 ^套圈接合處的位置則表示在9〇4處。因此,可繞於該施 加器102附近,分別地在位置9〇2及9〇4處,構成兩個最 向電場之有.限而大致屬圓柱型之區域9〇6、9〇8。
圖9(b)顯示繞於如圖1之輻射施加器丨〇2附近的SAR 15 1375579 (特疋吸收率)值分佈。鄰接於該施加器丨〇2之較暗色表示 SAR的點處。在圖9(3)裡,該墊圈1〇8的位置係表示於9〇2 處,該頂端·套圈接合處的位置表示在904處,並且該套圈 -金屬官接合處的位置則表示在9〇5處。因此,可繞於該施 加器102附近,分別地在位置904及905處,構成兩個最 同SAR之有限而大致屬圓柱型之區域910、912» 圖10循序地顯示用以構成如圖1輻射施加器1〇2的各 疋件之組裝。圖10(a)裡繪有該同軸纜線1〇4,而該外部導 體1 1 8及該内部絕緣體126係經修整退後,即如圖7所示。 然後即如圖l〇(b)所示,該金屬管114會滑移過該纜線 104。其次’該套圈106會滑移過該纜線1〇4 (參見圖1〇(〇), 亚固定接附於該金屬管114及該纜線1〇4,即如前文所述 者。然後/該墊圈1 〇8藉由焊接而接附於該内部導體丨24, 即如圖i;〇(d)所示。最後,該頂端112滑移過該.鏡線104 和部分的套圈106,且黏附於此’即如前文所述者;所完 成之把加器可如圖1 0(e)所示。這會獲致一具極高硬固性及 機械穩定性的輻射構物。 圖11略圖說明一採用如圖i之輻射施加器丨02的治療 系統1102。微波來源11〇4係藉同軸纜線11〇8而耦接於握 把602上的輸入連接器11〇6。在此具體實施例裡,會供應 高達80瓦的微波功率。然對於尺寸更大的施加器此值可 為更尚(即如對於5毫米直徑的施加器高達2〇〇瓦)。 注射幫浦1 1 1 〇可操作一針筒丨丨12,以透過接附於握 把602之導官1丨1 6及連接器丨丨丨8,將冷卻流體1 1 14供應 16 1375579 至該握把區段602的内部。此流體非在高壓下,而在該所 述具體實施例裡,ϋ過該金屬f 114❿經幫浦注送以提供 -約K5到2_0毫升/分鐘的流率(不過,在本具體實施例的 變化方式裡,其中一施加器係按較高功率而運作,則或可 採用較該值為高的流率·,藉此提供適當的冷卻效果卜適 當
地,該冷卻流體可為生理鹽水,然亦可採用其他液體或氣 體,像是乙醇。在某些具體實施例裡,或可採用一具第二(細 胞毒素)效果之冷卻流體而提高腫瘤治療結果。在所述具體 實施例裡,該冷卻流體1114會在相較於進入該金屬管Η# (參見圖!内的箭頭A)而高出1(rc之等級的溫度下離開該 金士管1 14 (參見圖!内的箭頭B)。因此,會從該輻射施 加盗102抽離掉大部分的熱能。該冷卻流體ιιΐ4可例如 在至咖下進入愈金屬管丨丨14 ;然而’該冷卻流體η μ亦 可藉任何適當技術而預先冷卻至低於室溫。 ,
運用於上述施加器之方法可為如治療各種組織腫瘤所 傳統地採用者。因此,可按腹腔鏡、纟膚穿刺或外科手術 方式將該施加器插入人體内’由使用者移動至正確位置,(當 有必要時,可藉由定位感測器及/或即如超音波之成像工具 加以輔助)’因此該頂端i 12會被嵌入於待予治療之組織 二。將該微波功率開啟,因此可在使用者的控制下按一預 疋時間將該組織燒灼。纟多數情況下,該施加器在治療過 程中會為靜止不動。然在一些實例裡(即如靜脈),可在當 知加微波輻射時移動該施加器(相對於目標組織的輕緩滑移 動作)。 17 【圖式簡單說明】 圖1係根據本發明 截面示意圖; 〜具體實施例之輻射施加器的邹分 圖2顯示如圖1之鉍 向截面,及⑼末端視圖加器之輕射頂端部分的⑷轴 θ .4不如圖1之輕射施加 截面圖; 刃I屬e部分之部分橫 圖4顯示如圖1之轾如 „ δ® Β 軲射她加益内的諧調墊圈之(a)橫截 面圖,及(b)軸向截面圖; 八、截 截 — 4不如圖1之輕射施加器内的套圈之⑷軸向 由’及(b)末端視圖; 圖6說明-可接附於如圖i之輕射施加器内的金屬管 之握把區段的⑷軸向i‘面,及(b)橫截面圖; 圖7說明在如圖1之輻射施加器裡通過該金屬管之同 軸纜線的局部; 圖; 圖8係S,〗相對於對如圖1輻射施加 器之頻率的點繪 ^圖9說明在使用上繞於如圖1之輻射施加器附近的(a) 讀電場(E)分佈,及(b)該SAR值; 圖1 〇循序地顯示構成如圖1輻射施加器的各元件之組 裝;以及 圖11略圖說明一採用如圖1之輻射施加器的治療系 18 1375579
102 104 106 108 110 112 1 14 118 120 120, 122 124 126 128 130 132 134 202 204 206 208 主要元件符號說明 輻射施加器 同軸纜線 套圈 諧調墊圈 末端 頂端 金屬管 環狀空間 外部導體 徑向孔洞 徑向孔洞 微小長度 中央導體 絕緣體 微小圓柱區段 接觸表面 接觸表面 曝出末端區段 圓柱型壁 圓柱型壁 鄰接壁 鄰接壁 末端 19 210 1375579
302 末端 402 内部圓柱型表面 602 握把區段 604 前端通道 606 後端通道 608 橫向連接埠 610 内部螺線 702 連接器 902 墊圈位置 904 頂端-套圈接合處位置 905 套圈-金屬管接合處位置 906 圓柱型區域 908 圓柱型區域 910 圓柱型區域 912 圓柱型區域 1102 治療系統 1104 微波來源 1106 輸入連接器 1108 同軸纜線 1110 注射幫浦 1112 針筒 1114 冷卻流體 1116 導管 1118 連接器 A、B、C 冷卻流體流動方向 20
Claims (1)
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十、申請專利範圍: 1 ·—種用以對組織施加電磁輻 101年03月21日修正替換頁 含: 射之輻射施加器,其包 一經調適以耦接於一電 向中心導體; 磁輻射來源且定義一軸線之軸 一經調適以傳送預定強度圖案的電磁能量到該組織内 之長型介電组件,該介電組件沿該中心導體之軸線長度而 繞於至少—部分的該中心導體;
一接附於該中央導體且電接觸於此之諧調導體,該諧 調導體之形狀及維度以及該介電組件及/或其之介電特性之 形狀及維度係預定者,藉此構成一輻射雙極,而在使用上 按來自該介電組件之至少一輻射方向輻射出電磁能量。 2. 如申請專利範圍第1項所述之施加器,包含一金属套 圈’ s亥套圈係接附於該介電組件而繞於一部分的該中心導 體’且沿其長度而與之平行延伸。 3. 如申請專利範圍第2項所述之施加器,其中該套圈及 δ亥"電組件具有各自的長型合作表面’且其中該套圈及該 介電組件係經近密鄰接而相互固定於該合作表面,藉此提 供一硬固結構。 4. 如申請專利範圍第3項所述之施加器,其中該等合作 表面包含個別的徑向延伸合作表面。 5 ·如申請專利範圍第3或4項所述之施加器,其中該等 合作表面包含個別的環狀合作表面。 6.如申請專利範圍第2項所述之施加器,進一步包含: 21 1375579 秦 . —— ---— • 1〇1年03月21日修正替換頁 長^金屬官,此係繞於一部分的中央導體而間隔於 由該介電組件所環繞之部分, 、 其中該套圈係固定地接附於其對該介電組件及對該金 屬管之相對個別邊側上;且其中該中央導體包含一延伸於 該金屬管内之纜線的内部導體,一長型環狀空間係定義於 該纜線及該金屬管之間,而允許冷卻流體傳通到至少該 _ 圈。 °〆 7. 如申請專利範圍第6項所述之施加器,其中該管内提 着供至少-組孔祠,各孔洞延伸經過該管之壁,藉此提供讓 該流體流於該環狀空間與該施加器外側之間的通道。 8. 如申請專利範圍第7項所述之施加器,其中該等孔洞 係徑向延伸。 9 ·如申請專利範圍第7項所述之施加器,其中提供每組 1到4個孔洞,且最好是每組2個孔洞。 10·如申請專利範圍第7項所述之施加器,其中該等孔 洞為直徑上相對者。 1 1.如申請專利範圍第7項所述之施加器,其中提供有 兩組或兩組以上的孔洞,且各組之孔洞係軸向地相隔。 12.如申請專利範圍第7項所述之施加器,其中各孔洞 , 直徑為0·1到〇·6毫米,且最好是直徑0.5毫米。 - I3·如申諳專利範圍第7項所述之施加器,其中各孔洞 距鄰接該套圈之金屬管的末端最少3到50毫米而置放,且 最好是1 2毫米。 22 1 4.如申明專利範圍第1項所述之施加器,其中該介電 1375579 101年03月21日修正替換頁 、且件係由一末端薄片所構成,藉此該薄片對該軸線具有一 長型橫向維度。 15. 如申凊專利範圍帛】項所述之施加器其中該介電 組件、該套圈及/或該金屬管之外徑小於2 5毫米,且最好 是2.4毫米。 16. —種輻射施加II組件,其包含·· 如申請專利範圍第6項所述之施加器, 一透過幫浦裝置而連接於一冷卻流體來源之流體導 • 管;其中該流體導管亦在一其上隔離於其鄰接該套圈之末 端的位置處連接至該金屬管; 其中該幫浦裝置可運作以在使用上透過該流體導管, 按一預設流率將冷卻流體供應至該環狀空間。 十一、圖式· (如次頁)
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| WO2010105261A2 (en) | 2009-03-13 | 2010-09-16 | Baxano, Inc. | Flexible neural localization devices and methods |
-
2004
- 2004-07-02 GB GB0414976A patent/GB2415630C2/en not_active Expired - Fee Related
-
2005
- 2005-06-22 TW TW094120771A patent/TWI375579B/zh not_active IP Right Cessation
- 2005-07-01 JP JP2007518548A patent/JP4908406B2/ja not_active Expired - Fee Related
- 2005-07-01 EP EP05761213.7A patent/EP1768596B1/en not_active Expired - Lifetime
- 2005-07-01 ES ES05761213.7T patent/ES2467092T3/es not_active Expired - Lifetime
- 2005-07-01 US US10/577,414 patent/US9788896B2/en not_active Expired - Fee Related
- 2005-07-01 WO PCT/EP2005/007103 patent/WO2006002943A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| GB2415630C2 (en) | 2007-03-22 |
| GB2415630A (en) | 2006-01-04 |
| JP2008504088A (ja) | 2008-02-14 |
| JP4908406B2 (ja) | 2012-04-04 |
| EP1768596B1 (en) | 2014-03-05 |
| TW200602104A (en) | 2006-01-16 |
| GB2415630B (en) | 2006-11-15 |
| EP1768596A1 (en) | 2007-04-04 |
| GB2415630C (en) | 2007-02-27 |
| WO2006002943A1 (en) | 2006-01-12 |
| GB0414976D0 (en) | 2004-08-04 |
| US20080275436A1 (en) | 2008-11-06 |
| ES2467092T3 (es) | 2014-06-11 |
| US9788896B2 (en) | 2017-10-17 |
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| Date | Code | Title | Description |
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| MM4A | Annulment or lapse of patent due to non-payment of fees |