JPH10510448A - 音響像形成、ドプラーカテーテルおよびガイドワイヤ - Google Patents
音響像形成、ドプラーカテーテルおよびガイドワイヤInfo
- Publication number
- JPH10510448A JPH10510448A JP8519006A JP51900696A JPH10510448A JP H10510448 A JPH10510448 A JP H10510448A JP 8519006 A JP8519006 A JP 8519006A JP 51900696 A JP51900696 A JP 51900696A JP H10510448 A JPH10510448 A JP H10510448A
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- doppler
- imaging
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Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/26—Sound-focusing or directing, e.g. scanning
- G10K11/28—Sound-focusing or directing, e.g. scanning using reflection, e.g. parabolic reflectors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/06—Measuring blood flow
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/12—Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/13—Tomography
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
- A61B8/445—Details of catheter construction
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
- A61B8/4461—Features of the scanning mechanism, e.g. for moving the transducer within the housing of the probe
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/06—Visualisation of the interior, e.g. acoustic microscopy
- G01N29/0654—Imaging
- G01N29/0672—Imaging by acoustic tomography
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/221—Arrangements for directing or focusing the acoustical waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/22—Details, e.g. general constructional or apparatus details
- G01N29/26—Arrangements for orientation or scanning by relative movement of the head and the sensor
- G01N29/265—Arrangements for orientation or scanning by relative movement of the head and the sensor by moving the sensor relative to a stationary material
-
- 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
- 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
- G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
- G01S15/8934—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a dynamic transducer configuration
- G01S15/8938—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a dynamic transducer configuration using transducers mounted for mechanical movement in two dimensions
- G01S15/894—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a dynamic transducer configuration using transducers mounted for mechanical movement in two dimensions by rotation about a single axis
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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
- 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
- G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
- G01S15/8934—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a dynamic transducer configuration
- G01S15/8938—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a dynamic transducer configuration using transducers mounted for mechanical movement in two dimensions
- G01S15/894—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a dynamic transducer configuration using transducers mounted for mechanical movement in two dimensions by rotation about a single axis
- G01S15/8943—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a dynamic transducer configuration using transducers mounted for mechanical movement in two dimensions by rotation about a single axis co-operating with reflectors
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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
- 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
- G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
- G01S15/8979—Combined Doppler and pulse-echo imaging systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/01—Indexing codes associated with the measuring variable
- G01N2291/017—Doppler techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/02836—Flow rate, liquid level
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/263—Surfaces
- G01N2291/2636—Surfaces cylindrical from inside
-
- 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
- G01S7/52023—Details of receivers
- G01S7/52036—Details of receivers using analysis of echo signal for target characterisation
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.単一のトランスジューサを使用して体内流体管内のドプラー測定を行い像形 成をするための医療装置であって、 装置の軸を定義しており、前記体内流体管の対象領域近くに、先端部を位置 決めするように構成された、長い装置本体と、 前記装置本体の内部に配置され、配置されており、この装置は、体内流体管 の像形成のためにある方向に単一のトランスジューサからの超音波エネルギーの 部分を方向付けし、体内流体管のドプラー測定を行うためにある方向に超音波エ ネルギーの他の一部を方向付けするように構成された超音波ビーム方向付組立体 とを備えたことを特徴とする医療装置。 2.請求項1において、前記超音波エネルギーの前記部分が前記体内流体管内の 像形成のために前記装置軸に対してほぼ横方向に指向されており、 前記超音波エネルギーの他の部分が前記体内流体管内のドプラー測定を行う ために前記装置軸にほぼ沿った方向に指向されていることを特徴とする装置。 3.請求項1において、前記超音波ビーム方向付組立体が前記トランスジューサ からのの超音波エネルギーを体内ルーメンの壁の像を与えるための部分と、体内 流体管内の流体の流れのドプラー測定を行うための他の部分とに空間的に分離す るための超音波ビームスプリッタを備えていることを特徴とする装置。 4.請求項3において、前記ビームスプリッタが、前記超音波エネルギーの経路 において前記トランスジューサから隔置した部分的にソノルーセントポリマー材 料であることを特徴とする装置。 5.請求項4において、前記部分的にソノルーセントポリマー材料が前記装置軸 に関して横方向に位置していることを特徴とする装置。 6.請求項4において、前記部分的にソノルーセントポリマー材料が少なくとも 前記装置本体の壁の一部を形成することを特徴とする装置。 7.請求項6において、前記装置本体の壁が前記装置本体の軸にほぼ沿ってドプ ラー測定を行うためにエネルギーの前記一部を有効に指向させるような形態を有 することを特徴とする装置。 8.請求項7において、前記装置本体がフレア状に末広がりになった先端部を有 することを特徴とする装置。 9.請求項1において、前記ドプラー測定を行うための超音波エネルギーの前記 他の部分が前記装置軸に関して15度あるいはそれ以下の出口角度で指向されて いることを特徴とする装置。 10.請求項1において、前記装置本体の先端部が開いていることを特徴とする装 置。 11.前記装置本体の先端部が閉じており、ソノルーセント材料を備えていること を特徴とする装置。 12.前記超音波ビームスプリッタの音響インピーダンスを変化させることによっ て前記ビームスプリッタ方向づけ組立体の透過性および反射性を変化させるよう に構成されたことを特徴とする請求項3の装置。 13.前記超音波ビームスプリッタの背後のインピーダンスを変化させる流体を流 すことによって前記超音波ビームスプリッタのインピーダンスように構成された 請求項13記載の装置。 14.請求項1において、さらに、像形成のための超音波エネルギーの前記部分か らの超音波像形成信号が前記信号間の時間遅れによってドプラー測定を行うため の超音波エネルギーの他の部分からの超音波ドプラー信号から区別でき、かつド プラー信号および像形成信号が像形成およびドプラー電子機器によって別々に分 析されるようにタイミング回路とスイッチとを有する解析回路を有していること を特徴とする装置。 15.部分的にソノルーセントビーム指向材料の厚さを変えることによって前記超 音波ビームスプリッタのインピーダンスを変化させるように構成された請求項1 2記載の装置。 16.請求項1において、前記ビーム方向付組立体が前記装置本体内に配設された 音響的に反射性のリングであり、前記装置本体がソノルーセント材料から形成さ れていることを特徴とする装置。 17.請求項1において、前記トランスジューサが少なくとも2つの角度の間でト ランスジューサが回転できるように構成されたヒンジに装着されていることを特 徴とする装置。 18.請求項1において、少なくとも2つのファセットが、前記トランスジューサ を、2つ空間的に別々の方向に同時に超音波エネルギーを放出することができる ように構成された前記トランスジューサに設けられていることを特徴とする装置 。 19.体内流体管内のドプラー測定および像形成を行うための方法であって、 患者の体内流体管に医療装置を導入し、該医療装置が超音波トランスジュー サと該装置の先端部近傍の超音波ビーム方向付組立体を備えており、 前記体内流体管の像形成を行うための第1の方向と前記体内流体管内のドプ ラー測定を行うための第2の、異なる方向に前記トランスジューサからの超音波 エネルギーを指向させ、そして、 前記像形成および流れ情報を含む反射信号を受け取ることからなる方法。 20.請求項19において、前記超音波ビーム方向付組立体が、前記トランスジュ ーサからの超音波信号を前記体内流体管の壁の像を与える一部と前記体内流体管 の流体の流れのドプラー測定を与えるための他の部分とに空間的に分離する超音 波ビーム方向付組立体であることを特徴とする方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US34728494A | 1994-11-30 | 1994-11-30 | |
US08/347,284 | 1994-11-30 | ||
PCT/US1995/015453 WO1996016600A1 (en) | 1994-11-30 | 1995-11-29 | Acoustic imaging and doppler catheters and guidewires |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005333142A Division JP3947753B2 (ja) | 1994-11-30 | 2005-11-17 | 音響像形成、ドプラーカテーテルおよびガイドワイヤ |
Publications (2)
Publication Number | Publication Date |
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JPH10510448A true JPH10510448A (ja) | 1998-10-13 |
JP3782107B2 JP3782107B2 (ja) | 2006-06-07 |
Family
ID=23363089
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51900696A Expired - Fee Related JP3782107B2 (ja) | 1994-11-30 | 1995-11-29 | 音響像形成、ドプラーカテーテルおよびガイドワイヤ |
JP2005333142A Expired - Fee Related JP3947753B2 (ja) | 1994-11-30 | 2005-11-17 | 音響像形成、ドプラーカテーテルおよびガイドワイヤ |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005333142A Expired - Fee Related JP3947753B2 (ja) | 1994-11-30 | 2005-11-17 | 音響像形成、ドプラーカテーテルおよびガイドワイヤ |
Country Status (5)
Country | Link |
---|---|
US (2) | US5655537A (ja) |
EP (1) | EP0794732A4 (ja) |
JP (2) | JP3782107B2 (ja) |
CA (1) | CA2203763A1 (ja) |
WO (1) | WO1996016600A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008284363A (ja) * | 2007-05-15 | 2008-11-27 | General Electric Co <Ge> | 超音波映像カテーテルのパッケージ化および流体充填 |
JP2010516305A (ja) * | 2007-01-19 | 2010-05-20 | サニーブルック・ヘルス・サイエンシズ・センター | 撮像プローブ用の走査機構 |
JP2015515916A (ja) * | 2012-05-11 | 2015-06-04 | ヴォルカノ コーポレイションVolcano Corporation | 画像及び血流速度測定のための装置及びシステム |
JP2017508557A (ja) * | 2014-03-26 | 2017-03-30 | ボルケーノ コーポレイション | 傾斜流れ検知要素を用いる脈管評価のための装置、システム、及び方法 |
Families Citing this family (62)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2203763A1 (en) * | 1994-11-30 | 1996-06-06 | Robert J. Crowley | Acoustic imaging and doppler catheters and guidewires |
US6183432B1 (en) | 1997-11-13 | 2001-02-06 | Lumend, Inc. | Guidewire and catheter with rotating and reciprocating symmetrical or asymmetrical distal tip |
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- 1995-11-29 EP EP95943350A patent/EP0794732A4/en not_active Withdrawn
- 1995-11-29 WO PCT/US1995/015453 patent/WO1996016600A1/en not_active Application Discontinuation
- 1995-11-29 JP JP51900696A patent/JP3782107B2/ja not_active Expired - Fee Related
-
1996
- 1996-06-04 US US08/659,023 patent/US5655537A/en not_active Expired - Fee Related
-
1997
- 1997-08-11 US US08/909,414 patent/US6074349A/en not_active Expired - Fee Related
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2005
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JP2008284363A (ja) * | 2007-05-15 | 2008-11-27 | General Electric Co <Ge> | 超音波映像カテーテルのパッケージ化および流体充填 |
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JP2017508557A (ja) * | 2014-03-26 | 2017-03-30 | ボルケーノ コーポレイション | 傾斜流れ検知要素を用いる脈管評価のための装置、システム、及び方法 |
Also Published As
Publication number | Publication date |
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EP0794732A1 (en) | 1997-09-17 |
CA2203763A1 (en) | 1996-06-06 |
JP3782107B2 (ja) | 2006-06-07 |
US6074349A (en) | 2000-06-13 |
WO1996016600A1 (en) | 1996-06-06 |
EP0794732A4 (en) | 1999-11-24 |
JP3947753B2 (ja) | 2007-07-25 |
JP2006223843A (ja) | 2006-08-31 |
US5655537A (en) | 1997-08-12 |
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