JPH11503629A - 三次元デジタル超音波追跡システム - Google Patents
三次元デジタル超音波追跡システムInfo
- Publication number
- JPH11503629A JPH11503629A JP8529812A JP52981296A JPH11503629A JP H11503629 A JPH11503629 A JP H11503629A JP 8529812 A JP8529812 A JP 8529812A JP 52981296 A JP52981296 A JP 52981296A JP H11503629 A JPH11503629 A JP H11503629A
- Authority
- JP
- Japan
- Prior art keywords
- catheter
- signal
- dimensional
- ultrasonic
- digital
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
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- A—HUMAN NECESSITIES
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- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
- A61B5/283—Invasive
- A61B5/287—Holders for multiple electrodes, e.g. electrode catheters for electrophysiological study [EPS]
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- A61B8/08—Detecting organic movements or changes, e.g. tumours, cysts, swellings
- A61B8/0833—Detecting organic movements or changes, e.g. tumours, cysts, swellings involving detecting or locating foreign bodies or organic structures
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- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
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- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
- A61B90/17—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins for soft tissue, e.g. breast-holding devices
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- G—PHYSICS
- G01—MEASURING; TESTING
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- G—PHYSICS
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- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
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- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
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- G01—MEASURING; TESTING
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- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
- G01S7/52053—Display arrangements
- G01S7/52057—Cathode ray tube displays
- G01S7/5206—Two-dimensional coordinated display of distance and direction; B-scan display
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- G—PHYSICS
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- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
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- G01S7/52053—Display arrangements
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- G01S7/52074—Composite displays, e.g. split-screen displays; Combination of multiple images or of images and alphanumeric tabular information
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
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- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
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- G01S7/52003—Techniques for enhancing spatial resolution of targets
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- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S128/00—Surgery
- Y10S128/916—Ultrasound 3-D imaging
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Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.a)間隔をおいて配置された複数の超音波トランシーバと、 b)前記間隔をおいて配置された複数の超音波トランシーバに接続され、前記 各トランシーバが送信器または受信機のいずれか一方として作動するように前記 各トランシーバを選択的にイネーブルにし、前記各送信器が、少なくとも1つの 組合わされた受信器によって検出される出力発振信号を発生するように前記各送 信器を励起するコントローラモジュールと、 c)前記間隔をおいて配置された複数の超音波トランシーバと前記コントロー ラモジュールに接続され、前記送信器の前記励起と前記の少なくとも1つの組合 わされた受信器による前記出力振動の検出との間の経過時間に対応したデジタル カウント値を発生する、前記関連する受信器と組合わされた高速カウンタを含む カウンタモジュールを有するデジタル超音波追跡システム。 2.前記コントローラモジュールは、各送信器の前記励起の繰り返し速度を調 整する回路をさらに有する請求項1に記載のデジタル超音波追跡システム。 3.前記コントローラモジュールは、各送信器の前記励起の期間を調整する回 路をさらに含む請求項1に記載のデジタル超音波追跡システム。 4.前記コントローラモジュールは、前記各送信器を励起した後、可変の期間 の間前記高速カウンタを禁止し、それによって前記各送信器の励起から生じる電 磁干渉によるカウントエラーを回避する回路をさらに有する請求項1に記載のデ ジタル超音波追跡システム。 5.前記各トランシーバが、 d)前記コントローラモジュールからデジタルの入力信号を受信する送信器入 力と、 e)前記デジタル入力信号を結晶励起信号に変換するステップアップ絶縁変圧 器と、 f)送信モードで前記励起信号を受信し、それに応答して前記出力発振信号を 生成し、受信モードで前記出力発振信号を検出し、それに応答して入力発振信号 を生成し、前記ステップアップ変圧器に印加する圧電結晶と、 g)前記ステップアップ変圧器に接続され、前記入力発振信号をデジタルの出 力信号に増幅及び変換する回路と、 h)前記デジタル出力信号を前記カウンタモジュールに送信し、前記デジタル カウント値で、前記カウンタモジュールに付属した高速カウンタを停止する受信 器出力とをさらに有する請求項1に記載のデジタル超音波追跡システム。 6.位置が監視される物体に取り付けられる三次元超音波追跡システムであっ て、 a)第1の二次元平面を形成するように前記物体に取り付けられている3つの 超音波トランスシーバと、 b)前記二次元平面の一方の側で前記物体に取り付けられた第4の超音波トラ ンスシーバと、 c)前記超音波トランシーバの周りの三次元空間に配置された複数の超音波送 信器と、 d)(i)前記各送信器をして、前記超音波トランスシーバによって受信された 超音波信号を順に発生させることができ、(ii)前記超音波信号の発生と前記各ト ランシーバによる超音波の受信との間の経過時間を順に測定し、(iii)前記経過 時間から前記複数の超音波送信器に対する前記物体の位置と向きを三角測量によ って計算する回路とを有する三次元超音波追跡システム。 7.a)患者に挿入されるカテーテルの先端に隣接するように取り付けられ、 それによって少なくとも2つは内部基準を形成している少なくとも3つの圧電結 晶と、 b)外部基準フレームを形成するように患者の外部に配置された追加の複数の 圧電結晶と、 c)(i)前記各圧電結晶をして、他の前記圧電水晶によって受信される超音波 信号を順に発生させることができ、(ii)前記超音波信号の発生と前記各他の圧電 結晶による受信との間の経過時間を順に測定し、(iii)前記経過時間から前記複 数の追加の圧電結晶に対する前記カテーテルの位置と向きを三角測量によって計 算する回路とを有するカテーテルガイドシステム。 8.前記2つの圧電結晶の各々が、低キューリ温度を有する高誘電材料からつ くられている請求項7に記載のカテーテルガイドシステム。 9.前記材料がジルコンチタン酸塩である請求項8に記載のカテーテルガイド システム。 10.前記圧電結晶の各々が、前記患者のX線造影の間に前記カテーテルと対 比するためにX線不透過材料の層で被覆されている請求項7に記載のカテーテル ガイドシステム。 11.X線不透材料の層で被覆された前記各圧電結晶は、前記超音波信号の伝 搬を妨げない音インピーダンスを有する生物適合性材料でさらに包まれている請 求項10に記載のカテーテルガイドシステム。 12.前記2つの各圧電結晶が、全方向超音波照射パターンを発生する円筒形 である請求項7に記載のカテーテルガイドシステム。 13.前記追加の各圧電結晶は、ディスク形状であり、前記2つの圧電結晶よ り大きい寸法である請求項7に記載のカテーテルガイドシステム。 14.前記2つの圧電結晶を前記回路に接続する被覆されたステンレススチー ル・ワイヤをさらに有し、前記ワイヤは、前記カテーテルのステアリングガイド ワイヤを収容する、前記カテーテル内の内側シース内に配置されている請求項7 に記載のカテーテルガイドシステム。 15.前記2つの圧電結晶は、前記カテーテルの軸線に沿って同心円状に配置 され、その間の信号干渉を防止し、前記カテーテルの先端の形状と曲率を示すた めに所定の距離離れている請求項7に記載のカテーテルガイドシステム。 16.前記追加の圧電結晶が、前記患者によって着用されるようになっている 取付具に取り付けられる請求項7に記載のカテーテルガイドシステム。 17.前記圧電結晶は、前記カテーテルの壁に少なくとも一部が埋められてお り、前記カテーテルは複数の内腔カテーテルである請求項15に記載のカテーテ ルガイドシステム。 18.前記圧電結晶はロシバッキング上に取り付けられており、導電体が前記 圧電結晶に接続されている請求項17に記載のカテーテルガイドシステム。 19.各前記圧電結晶に固定されたドーム状のポリマーレンズをさらに有する 請求項18に記載のカテーテルガイドシステム。 20.前記圧電結晶の少なくとも1つは、ロシバッキング上に配置された圧電 材料を有する円筒形状であり、前記圧電材料は、超音波を伝導する材料の1/4 波長マッチング層で被覆されている、請求項7に記載のカテーテルガイドシステ ム。 21.前記圧電材料が、カテーテルに直接包まれ、または鋳造または堆積され たPVDFである請求項20に記載のカテーテルガイドシステム。 22.少なくとも1つの前記圧電結晶は、垂直から大きな角度で超音波エネル ギを放射することができる形状を有する、リング形状の配列の結晶または分割さ れた単一の結晶のいずれかであり、前記配列または分割された単一の結晶は、超 音波エネルギのライン源のいずれかまたはポイント源として機能し、各々は結晶 のリング形状の配列または分割された単一の結晶のいずれか一方の平面から実質 的に離れるように扇状に前記超音波エネルギを放射する請求項7に記載のカテー テルガイドシステム。 23.前記結晶の配列または分割された単一の結晶が、各々が、小面のサイズ によって示される共振周波数で個々に共振するようにミリメートル台の寸法であ る複数の小面を備えている請求項22に記載のカテーテルガイドシステム。 24.結晶の前記リング形状の配列または前記分割された単一の結晶の両側が 導電体で被覆されている請求項22に記載のカテーテルガイドシステム。 25.前記少なくとも1つの圧電結晶が、ロシバッキング上に配置されたPZ T基板を有する複合超音波トランスジューサと、前記PZT基板に結合されたP VDFフィルムとを含む請求項7に記載のカテーテルガイドシステム。 26.前記PZT基板と前記PVDFとの間に絶縁体または導電体の1つ以上 の層を有する請求項25に記載のカテーテルガイドシステム。 27.a)多数の超音波トランスジューサが取り付けられたカテーテルまたは プローブと、 b)前記多数の超音波トランスジューサに対する外部基準平面を形成する重要 な場所にある複数のトランスジューサと、 c)前記基準フレームに対する前記多数の超音波トランスジューサの三次元座 標を発生するソノマイクロメータ手段と、 d)1つ以上のデジタル画像を局所的に発生するか、外部画像モダリティから 1つ以上のアナログ画像を受け、それに応答して前記1つ以上のデジタル画像を 発生する画像獲得手段と、 e)前記三次元座標および前記デジタル画像を受け、前記座標を配置し、それ に応答して前記カテーテルまたはプローブの前記三次元座標が表示されるテンプ レートとして1つ以上のデジタル画像を形成する三次元評価・画像サブシステム とを有する三次元画像化システム。 28.前記ソノマイクロメータ手段が、 (i) 前記各トランスジューサと前記外部基準フレームとの間の伝搬遅延を測 定する超音波距離測定手段と、 (ii) ノイズによる劣化が発生する前記測定された伝搬遅延を修正する信号処 理手段と、 (iii) 前記伝搬遅延を距離測定値に変換し、応答として距離測定データ信号 を発生するデジタルソノマイクロメータと、 (iv) 信号伝搬の減衰による信号の欠落から生じる前記距離測定データの失わ れた部分を補填するために前記距離測定データの多数方向のスケーリングを行う 前処理手段と、 (v) 前記前処理手段によりスケーリング処理された距離測定データを三次元 座標に変換する三次元計算手段とを有する請求項27に記載のシステム。 29.前記画像獲得手段はさらに、 (vi) 前記外部画像モダリティからの前記アナログ画像を処理および操作に適 したデジタル画像に変換するデジタル化、データおよびリフォーマット手段と、 (vii) 前記変換されたデジタル画像をスケーリング処理し、前記スケーリン グ処理されたデジタル画像を前記三次元画像サブシステムに出力する前処理手段 とを有する請求項28に記載のシステム。 30.(viii) 心電図信号を受信する手段と、 ix) 前記心電図信号をデジタルECG信号に変換するアナログ/デジタル変 換手段と、 x) 前記デジタルECG信号を受信し、応答として前記三次元グラフサブシス テムへ出力されるタイミング信号を生成する同期発生器とを有する請求項29に 記載の三次元画像化システム。 31.キーボードとマウスからユーザ入力を受け、それに応答して前記三次元 画像サブシステムに操作制御信号を発生するユーザインターフェイスを有する請 求項30に記載の三次元画像化システム。 32.前記三次元画像サブシステムに送信する補助データ情報を受信する補助 データユーザシステムをさらに有する請求項31に記載の三次元画像化システム 。 33.前記ソノマイクロメータ手段、画像獲得手段、同期発生手段、ユーザイ ンターフェイス手段および補助データ手段から出力された前記信号の変化を検出 し、それに応答して出力信号を発生する手段と、前記出力信号を受信し、前記出 力信号の大きな変化の存在をみつけ、それに応答して前記三次元画像サブシステ ムに知らせる評価手段とをさらに有する請求項32に記載の三次元画像化システ ム。 34.前記三次元評価・画像サブシステムは、前記座標を使用して、前記カテ ーテルまたはプローブが移動する鼓動している心室の動いている形状を定める三 次元表面パッチを形成する請求項27に記載の三次元画像システム。 35.人間の循環器系を通じての前記カテーテルまたはプローブの追跡への請 求項27に記載の三次元画像化システムの使用。 36.冠状及び末梢の動脈を通って前記カテーテルまたはプローブの追跡への 請求項27に記載の三次元画像化システムの使用。 37.生検カテーテルの追跡への請求項27に記載の三次元画像化システムの 使用。 38.定位的な外科手術の間の前記カテーテルまたはプローブの案内への請求 項27に記載の三次元画像化システムの使用方法。 39.羊水診断針の追跡への請求項27に記載の三次元画像化システムの使用 。 40.けい部の拡張の測定への請求項27に記載の三次元画像化システムの使 用。 41.人間のひざの関節の動きの評価への請求項27に記載の三次元画像化シ ステムの使用。 42.外科手術の後の心筋の収縮性の評価への請求項27に記載の三次元画像 化システムの使用。
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US08/411,959 | 1995-03-28 | ||
US08/411,959 US5515853A (en) | 1995-03-28 | 1995-03-28 | Three-dimensional digital ultrasound tracking system |
PCT/CA1996/000194 WO1996031753A2 (en) | 1995-03-28 | 1996-03-28 | Three-dimensional digital ultrasound tracking system |
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JPH11503629A true JPH11503629A (ja) | 1999-03-30 |
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JP8529812A Ceased JPH11503629A (ja) | 1995-03-28 | 1996-03-28 | 三次元デジタル超音波追跡システム |
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US (1) | US5515853A (ja) |
EP (1) | EP0879426B1 (ja) |
JP (1) | JPH11503629A (ja) |
AT (1) | ATE195024T1 (ja) |
AU (1) | AU5140496A (ja) |
CA (1) | CA2215508A1 (ja) |
DE (1) | DE69609529T2 (ja) |
WO (1) | WO1996031753A2 (ja) |
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- 1996-03-28 EP EP96907974A patent/EP0879426B1/en not_active Expired - Lifetime
- 1996-03-28 JP JP8529812A patent/JPH11503629A/ja not_active Ceased
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JP2017512586A (ja) * | 2014-04-11 | 2017-05-25 | コーニンクレッカ フィリップス エヌ ヴェKoninklijke Philips N.V. | 薄膜圧電センサを持つ針 |
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ATE195024T1 (de) | 2000-08-15 |
AU5140496A (en) | 1996-10-23 |
CA2215508A1 (en) | 1996-10-10 |
EP0879426B1 (en) | 2000-07-26 |
DE69609529D1 (de) | 2000-08-31 |
WO1996031753A2 (en) | 1996-10-10 |
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