JP3947753B2 - 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 Download PDFInfo
- Publication number
- JP3947753B2 JP3947753B2 JP2005333142A JP2005333142A JP3947753B2 JP 3947753 B2 JP3947753 B2 JP 3947753B2 JP 2005333142 A JP2005333142 A JP 2005333142A JP 2005333142 A JP2005333142 A JP 2005333142A JP 3947753 B2 JP3947753 B2 JP 3947753B2
- Authority
- JP
- Japan
- Prior art keywords
- transducer
- doppler
- ultrasonic
- imaging
- energy
- 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.)
- Expired - Fee Related
Links
- 238000003384 imaging method Methods 0.000 title claims description 37
- 238000005259 measurement Methods 0.000 claims description 30
- 210000001124 body fluid Anatomy 0.000 claims description 24
- 239000010839 body fluid Substances 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 22
- 238000004458 analytical method Methods 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 238000002604 ultrasonography Methods 0.000 claims description 8
- 238000012285 ultrasound imaging Methods 0.000 claims description 5
- 238000002310 reflectometry Methods 0.000 claims description 4
- 230000017531 blood circulation Effects 0.000 description 12
- 210000004204 blood vessel Anatomy 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 208000031481 Pathologic Constriction Diseases 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- 208000037804 stenosis Diseases 0.000 description 4
- 230000036262 stenosis Effects 0.000 description 4
- 210000001367 artery Anatomy 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 210000004369 blood Anatomy 0.000 description 3
- 239000008280 blood Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 201000001320 Atherosclerosis Diseases 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 2
- 229920001684 low density polyethylene Polymers 0.000 description 2
- 239000004702 low-density polyethylene Substances 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- SNIOPGDIGTZGOP-UHFFFAOYSA-N Nitroglycerin Chemical compound [O-][N+](=O)OCC(O[N+]([O-])=O)CO[N+]([O-])=O SNIOPGDIGTZGOP-UHFFFAOYSA-N 0.000 description 1
- 239000000006 Nitroglycerin Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 238000002399 angioplasty Methods 0.000 description 1
- 210000000709 aorta Anatomy 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003743 erythrocyte Anatomy 0.000 description 1
- 210000001105 femoral artery Anatomy 0.000 description 1
- 229960003711 glyceryl trinitrate Drugs 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 210000004165 myocardium Anatomy 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000007505 plaque formation Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
- 208000019553 vascular disease Diseases 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- General Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Veterinary Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Radiology & Medical Imaging (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Chemical & Material Sciences (AREA)
- Immunology (AREA)
- Computer Networks & Wireless Communication (AREA)
- Hematology (AREA)
- Multimedia (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Description
図1を参照すると、音響システムは、コントロールシステム4によって駆動されるカテーテル2を備えている。コントロールシステム4は、像アナライザ7およびドプラーアナライザ9の両方を備えるアナライザ/コントローラを備えている。カテーテル2は、高忠実度可撓性駆動シャフト10によって駆動される使い捨て、小型、回転超音波トランスジューサ8を備えた使い捨てカテーテルシース6を有している。(また、トランスジューサは回転する必要のない可撓性部材上に装着することができる。)カテーテルは、標準的なカテーテル処置によって体に位置決めされるようになっている。たとえば、カテーテルは、曲がりくねった通路に沿って可撓性カテーテルを案内し、大腿部の動脈14の穴に配置された導入シース12を介して経皮的な導入から始めることによって、血管内あるいは心臓内に配置される。音響カテーテル2の先端部は動脈14の内部に位置決めされ、これによって血液は矢印16の方向に流れる。トランスジューサの位置に対応するカテーテルシースの先端部は、例えば低密度ポリエチレン、のような音響的に伝導性の材料から構成されており、約1.8メガレーリ(MRayles)、たとえば、1.76メガレーリ(MRayles)の音響インピーダンスを有する。カテーテルの基端部はコントロールシステム4に結合システムによって接続されている。コントロールシステム5は、またはトランスジューサの回転を制御するためのモータコントロール11を備えている。トランスジューサは音響エネルギーに合焦するための凹表面を有することができる。このシースとドライブシャフトは米国特許第4,951,677号に詳細に記載されている形式のものであり、その特許の全体の内容は本書にインコーポレイティッドバイリファレンスされている。
図6を参照すると、他の実施例においては、ビームスプリッタは部分的にソノルーセント材料の壁、たとえば、ポリエチレン、のような壁を形成して、その壁に向けて適当な角度でエネルギーを放出するトランスジューサ50を与えることによってカテーテル本体の壁52と一体に形成される。トランスジューサ50は角度θに向けて、わずかに傾斜しており、これによって音響エネルギーの一部はカテーテル壁52を通過し、音響エネルギーの一部はカテーテルの内部壁から何回も反射して先端部に到達し、その後、エネルギーはドプラーデータが採取される領域に伝播する。傾斜角は疑似ブルースター角(Brewster)を避けるように(このブルースタ角において、ビームの全内部反射が生じる。)かつ、その壁を介してのほぼ全透過を回避するように選択される。そのシステムは、カテーテルの先端部54に十分近接したトランスジューサを配置することによって内部反射の数を最小にするように構成することができる。さらに、カテーテルの端部を出るエネルギーの量を増大させるために、ドプラー情報の検出能力を増大するために、傾斜角、すなわち角度θ、および出口角すなわち、角度βが最適化される。好ましくは、傾斜角θは約8乃至12度であり、出口角βは約12から15度である。
4 コントロールシステム
7 像アナライザ
6 カテーテルシース
9 ドプラーアナライザ
10 高忠実度可撓性駆動シャフト
12 導入シース
14 動脈
Claims (22)
- 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、
単一のトランスデューサからの超音波エネルギーのある部分を前記体内流体管内の像形成のためにある方向に方向づけし、前記体内流体管内のドプラー測定を行うために前記超音波エネルギーの他の部分を異なる方向に方向づ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、
前記体内流体管内の像形成のための方向に方向と前記体内流体管内のドプラー測定を行うための方向がいずれも前記単一のトランスデューサから離れる方向であることを特徴とする医療装置。 - 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。 - 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。
- 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音透過性ポリマー材料であることを特徴とする装置。
- 請求項4において、前記部分的に音透過性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。
- 請求項4において、前記部分的に音透過性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。
- 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。
- 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。
- 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。
- 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。
- 請求項1において前記装置本体の先端部が閉じており、音透過性材料を備えていることを特徴とする装置。
- 請求項3において、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装置。
- 請求項12において、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ことを特徴とする装置。
- 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。
- 請求項12において部分的に音透過性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ことを特徴とする装置。
- 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、前記装置本体が音透過性材料から形成されていることを特徴とする装置。
- 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。
- 請求項1において、少なくとも2つの面が、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。
- 請求項1において、前記ビーム方向付け組立体が部分的に音透過性材料を有し、像形成のための前記部分が前記部分的に音透過性材料を通過し、かつ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部分が前記部分的に音透過性材料によって反射されるようになっていることを特徴とする装置。
- 請求項1において、前記ビーム方向付け組立体が前記装置本体の内壁に沿って配置された音響的反射性リングを備えており、前記装置本体の一部が音透過性材料で形成されていることを特徴とする装置。
- 請求項20において、前記単一のトランスデューサが前記反射性リングに対して相対的に異なる2つの位置に移動されるようになっていることを特徴とする装置。
- 前記トランスデューサが超音波エネルギーを2つの空間的に隔置した方向に同時に放射できるように、少なくとも2つのファセットが、前記トランスデューサ上に設けられており、前記方向の1つが前記装置の軸に対してほぼ横方向であり、他の方向がほぼ前記装置の軸に沿っていることを特徴とする装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US34728494A | 1994-11-30 | 1994-11-30 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51900696A Division 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 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006223843A JP2006223843A (ja) | 2006-08-31 |
JP3947753B2 true JP3947753B2 (ja) | 2007-07-25 |
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 Before (1)
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 |
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) |
Families Citing this family (66)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996016600A1 (en) * | 1994-11-30 | 1996-06-06 | Boston Scientific Corporation | 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 |
WO2000030554A1 (en) * | 1998-11-20 | 2000-06-02 | Jones Joie P | Methods for selectively dissolving and removing materials using ultra-high frequency ultrasound |
JP4067670B2 (ja) * | 1998-12-17 | 2008-03-26 | ペンタックス株式会社 | 超音波内視鏡の先端部 |
US6296619B1 (en) * | 1998-12-30 | 2001-10-02 | Pharmasonics, Inc. | Therapeutic ultrasonic catheter for delivering a uniform energy dose |
US7140766B2 (en) * | 1999-08-04 | 2006-11-28 | Given Imaging Ltd. | Device, system and method for temperature sensing in an in-vivo device |
US7175644B2 (en) * | 2001-02-14 | 2007-02-13 | Broncus Technologies, Inc. | Devices and methods for maintaining collateral channels in tissue |
US7022088B2 (en) * | 1999-08-05 | 2006-04-04 | Broncus Technologies, Inc. | Devices for applying energy to tissue |
EP1400204A1 (en) | 1999-08-05 | 2004-03-24 | Broncus Technologies, Inc. | Methods and devices for creating collateral channels in the lungs |
US6749606B2 (en) | 1999-08-05 | 2004-06-15 | Thomas Keast | Devices for creating collateral channels |
US6712812B2 (en) | 1999-08-05 | 2004-03-30 | Broncus Technologies, Inc. | Devices for creating collateral channels |
US7815590B2 (en) | 1999-08-05 | 2010-10-19 | Broncus Technologies, Inc. | Devices for maintaining patency of surgically created channels in tissue |
DE59900103D1 (de) * | 1999-10-01 | 2001-06-28 | Storz Karl Gmbh & Co Kg | Bildgebendes Verfahren zum Ermitteln des Zustands von Gewebe |
US6552841B1 (en) | 2000-01-07 | 2003-04-22 | Imperium Advanced Ultrasonic Imaging | Ultrasonic imager |
US6361500B1 (en) | 2000-02-07 | 2002-03-26 | Scimed Life Systems, Inc. | Three transducer catheter |
IL143418A (en) * | 2000-05-31 | 2004-09-27 | Given Imaging Ltd | Measurement of electrical properties of tissue |
US6974416B2 (en) * | 2000-08-16 | 2005-12-13 | Cook Vascular Incorporated | Doppler probe with shapeable portion |
IL155045A0 (en) * | 2000-09-27 | 2003-10-31 | Given Imaging Ltd | An immobilizable in vivo sensing device |
WO2002055984A2 (en) | 2001-01-16 | 2002-07-18 | Given Imaging Ltd. | A system and method for determining in vivo body lumen conditions |
EP1421775A4 (en) | 2001-06-28 | 2009-12-23 | Given Imaging Ltd | IN VIVO IMAGING DEVICE HAVING A SMALL TRANSVERSAL AREA AND METHODS OF CONSTRUCTION THEREOF |
US7708712B2 (en) | 2001-09-04 | 2010-05-04 | Broncus Technologies, Inc. | Methods and devices for maintaining patency of surgically created channels in a body organ |
IL147221A (en) | 2001-12-20 | 2010-11-30 | Given Imaging Ltd | Device, system and method for image based size analysis |
US8423110B2 (en) * | 2002-01-09 | 2013-04-16 | Boston Scientific Scimed, Inc. | Imaging device and related methods |
US20030195415A1 (en) * | 2002-02-14 | 2003-10-16 | Iddan Gavriel J. | Device, system and method for accoustic in-vivo measuring |
AU2003230168A1 (en) * | 2002-05-09 | 2003-11-11 | Given Imaging Ltd. | System and method for in vivo sensing |
US7396332B2 (en) * | 2002-06-10 | 2008-07-08 | Scimed Life Systems, Inc. | Transducer with multiple resonant frequencies for an imaging catheter |
US7477763B2 (en) | 2002-06-18 | 2009-01-13 | Boston Scientific Scimed, Inc. | Computer generated representation of the imaging pattern of an imaging device |
WO2004014227A1 (en) * | 2002-08-13 | 2004-02-19 | Given Imaging Ltd. | System for in vivo sampling and analysis |
EP1465531B1 (en) * | 2002-10-10 | 2012-12-19 | Visualsonics Inc. | High frequency high frame-rate ultrasound imaging system |
AU2003274635A1 (en) * | 2002-10-15 | 2004-05-04 | Given Imaging Ltd. | Device, system and method for transfer of signals to a moving device |
US7118529B2 (en) * | 2002-11-29 | 2006-10-10 | Given Imaging, Ltd. | Method and apparatus for transmitting non-image information via an image sensor in an in vivo imaging system |
US8388540B2 (en) * | 2002-12-13 | 2013-03-05 | Boston Scientific Scimed, Inc. | Method and apparatus for orienting a medical image |
US20060155174A1 (en) * | 2002-12-16 | 2006-07-13 | Arkady Glukhovsky | Device, system and method for selective activation of in vivo sensors |
US7946979B2 (en) | 2002-12-26 | 2011-05-24 | Given Imaging, Ltd. | Immobilizable in vivo sensing device |
IL161096A (en) * | 2003-03-27 | 2008-08-07 | Given Imaging Ltd | An instrument, system, and method for measuring a cascade of intracorporeal concentrations |
US7909766B2 (en) * | 2003-05-21 | 2011-03-22 | Scimed Life Systems, Inc. | Systems and methods for improving the imaging resolution of an imaging transducer |
IL162740A (en) * | 2003-06-26 | 2010-06-16 | Given Imaging Ltd | Device, method and system for reduced transmission imaging |
US8308682B2 (en) | 2003-07-18 | 2012-11-13 | Broncus Medical Inc. | Devices for maintaining patency of surgically created channels in tissue |
US8002740B2 (en) | 2003-07-18 | 2011-08-23 | Broncus Technologies, Inc. | Devices for maintaining patency of surgically created channels in tissue |
US7460896B2 (en) * | 2003-07-29 | 2008-12-02 | Given Imaging Ltd. | In vivo device and method for collecting oximetry data |
US7077808B2 (en) * | 2003-07-31 | 2006-07-18 | Boston Scientific Scimed. Inc. | Ultrasonic imaging catheter |
US7842289B2 (en) * | 2003-12-24 | 2010-11-30 | Aduro Biotech | Recombinant nucleic acid molecules, expression cassettes, and bacteria, and methods of use thereof |
US8702597B2 (en) * | 2003-12-31 | 2014-04-22 | Given Imaging Ltd. | Immobilizable in-vivo imager with moveable focusing mechanism |
CA2558584A1 (en) * | 2004-03-01 | 2005-10-27 | Sunnybrook And Women's College Health Sciences Centre | System and method for ecg-triggered retrospective color flow ultrasound imaging |
US7605852B2 (en) | 2004-05-17 | 2009-10-20 | Micron Technology, Inc. | Real-time exposure control for automatic light control |
US20060015013A1 (en) * | 2004-06-30 | 2006-01-19 | Zvika Gilad | Device and method for in vivo illumination |
US8409167B2 (en) | 2004-07-19 | 2013-04-02 | Broncus Medical Inc | Devices for delivering substances through an extra-anatomic opening created in an airway |
JP4517239B2 (ja) * | 2005-03-04 | 2010-08-04 | 富士フイルム株式会社 | 超音波プローブ |
US8423123B2 (en) * | 2005-09-30 | 2013-04-16 | Given Imaging Ltd. | System and method for in-vivo feature detection |
US20070270651A1 (en) * | 2006-05-19 | 2007-11-22 | Zvika Gilad | Device and method for illuminating an in vivo site |
EP3120752A1 (en) * | 2007-01-19 | 2017-01-25 | Sunnybrook Health Sciences Centre | Scanning mechanisms for imaging probe |
US8460195B2 (en) | 2007-01-19 | 2013-06-11 | Sunnybrook Health Sciences Centre | Scanning mechanisms for imaging probe |
US9629607B2 (en) * | 2007-05-15 | 2017-04-25 | General Electric Company | Packaging and fluid filling of ultrasound imaging catheters |
US8515507B2 (en) * | 2008-06-16 | 2013-08-20 | Given Imaging Ltd. | Device and method for detecting in-vivo pathology |
US8287472B2 (en) * | 2009-04-30 | 2012-10-16 | Boston Scientific Scimed, Inc. | Ultrasound heater-agitator for thermal tissue treatment |
US8945010B2 (en) | 2009-12-23 | 2015-02-03 | Covidien Lp | Method of evaluating constipation using an ingestible capsule |
EP2671093B1 (en) | 2011-01-31 | 2019-01-16 | Sunnybrook Health Sciences Centre | Ultrasonic probe with ultrasonic transducers addressable on common electrical channel |
EP2706940B1 (en) | 2011-05-13 | 2016-12-14 | Broncus Medical, Inc. | Methods and devices for ablation of tissue |
US8709034B2 (en) | 2011-05-13 | 2014-04-29 | Broncus Medical Inc. | Methods and devices for diagnosing, monitoring, or treating medical conditions through an opening through an airway wall |
WO2013078235A1 (en) | 2011-11-23 | 2013-05-30 | Broncus Medical Inc | Methods and devices for diagnosing, monitoring, or treating medical conditions through an opening through an airway wall |
US20130303907A1 (en) | 2012-05-11 | 2013-11-14 | Volcano Corporation | Device and System For Imaging and Blood Flow Velocity Measurement |
US20140066765A1 (en) * | 2012-08-31 | 2014-03-06 | General Electric Company | Methods and systems for intravascular imaging and flow measurement |
US9342881B1 (en) | 2013-12-31 | 2016-05-17 | Given Imaging Ltd. | System and method for automatic detection of in vivo polyps in video sequences |
US10213182B2 (en) | 2014-03-26 | 2019-02-26 | Volcano Corporation | Devices, systems, and methods for assessing a vessel utilizing angled flow-sensing elements |
CN110461261A (zh) | 2017-04-03 | 2019-11-15 | 堃博生物科技公司 | 电手术接入鞘 |
AU2020248784B2 (en) * | 2019-03-27 | 2023-07-06 | Terumo Kabushiki Kaisha | Image diagnosis catheter |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4276491A (en) * | 1979-10-02 | 1981-06-30 | Ausonics Pty. Limited | Focusing piezoelectric ultrasonic medical diagnostic system |
JPH074364B2 (ja) * | 1986-01-28 | 1995-01-25 | 株式会社東芝 | 超音波診断装置 |
US5000185A (en) * | 1986-02-28 | 1991-03-19 | Cardiovascular Imaging Systems, Inc. | Method for intravascular two-dimensional ultrasonography and recanalization |
DE3770790D1 (de) * | 1986-12-05 | 1991-07-18 | Siemens Ag | Intrakavitaere ultraschall-abtasteinrichtung. |
FR2612722B1 (fr) * | 1987-03-19 | 1989-05-26 | Thomson Csf | Transducteur acoustique multifrequences, notamment pour imagerie medicale |
FR2616914B1 (fr) * | 1987-06-22 | 1991-12-06 | Girard Jean Pierre | Dispositif d'analyse par ultrasons |
JPS6443238A (en) * | 1987-08-12 | 1989-02-15 | Toshiba Corp | Ultrasonic blood flow imaging apparatus |
US4951677A (en) * | 1988-03-21 | 1990-08-28 | Prutech Research And Development Partnership Ii | Acoustic imaging catheter and the like |
US5121749A (en) * | 1988-10-05 | 1992-06-16 | Cardiometrics, Inc. | Position in dependent volumetric flow measuring apparatus |
US4936281A (en) * | 1989-04-13 | 1990-06-26 | Everest Medical Corporation | Ultrasonically enhanced RF ablation catheter |
JP2819802B2 (ja) * | 1990-08-10 | 1998-11-05 | 株式会社デンソー | 積層型熱交換器のコア部構造 |
ATE193191T1 (de) * | 1990-08-21 | 2000-06-15 | Boston Scient Ltd | Katheter zur bilderzeugung mittels akustischer energie |
JPH0556974A (ja) * | 1991-09-04 | 1993-03-09 | Toshiba Corp | 超音波診断装置 |
WO1993008863A2 (en) * | 1991-11-08 | 1993-05-13 | Baxter International Inc. | Transport catheter and ultrasound probe for use with same |
DK0626823T3 (da) * | 1992-02-21 | 2000-09-11 | Boston Scient Ltd | Ledetråd til ultralydbilleddannelse |
US5226421A (en) * | 1992-03-06 | 1993-07-13 | Cardiometrics, Inc. | Doppler elongate flexible member having an inflatable balloon mounted thereon |
US5246007A (en) * | 1992-03-13 | 1993-09-21 | Cardiometrics, Inc. | Vascular catheter for measuring flow characteristics and method |
US5373845A (en) * | 1992-05-22 | 1994-12-20 | Echo Cath, Ltd. | Apparatus and method for forward looking volume imaging |
WO1996016600A1 (en) * | 1994-11-30 | 1996-06-06 | Boston Scientific Corporation | Acoustic imaging and doppler catheters and guidewires |
-
1995
- 1995-11-29 WO PCT/US1995/015453 patent/WO1996016600A1/en not_active Application Discontinuation
- 1995-11-29 EP EP95943350A patent/EP0794732A4/en not_active Withdrawn
- 1995-11-29 JP JP51900696A patent/JP3782107B2/ja not_active Expired - Fee Related
- 1995-11-29 CA CA002203763A patent/CA2203763A1/en not_active Abandoned
-
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
-
2005
- 2005-11-17 JP JP2005333142A patent/JP3947753B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO1996016600A1 (en) | 1996-06-06 |
EP0794732A4 (en) | 1999-11-24 |
JP3782107B2 (ja) | 2006-06-07 |
US6074349A (en) | 2000-06-13 |
CA2203763A1 (en) | 1996-06-06 |
US5655537A (en) | 1997-08-12 |
EP0794732A1 (en) | 1997-09-17 |
JP2006223843A (ja) | 2006-08-31 |
JPH10510448A (ja) | 1998-10-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP3947753B2 (ja) | 音響像形成、ドプラーカテーテルおよびガイドワイヤ | |
WO1996016600A9 (en) | Acoustic imaging and doppler catheters and guidewires | |
US4576177A (en) | Catheter for removing arteriosclerotic plaque | |
US5131397A (en) | Imaging system for producing ultrasonic images and insonifier for such systems | |
US4911170A (en) | High frequency focused ultrasonic transducer for invasive tissue characterization | |
US5254112A (en) | Device for use in laser angioplasty | |
US6190323B1 (en) | Direct contact scanner and related method | |
US7488289B2 (en) | Imaging catheter and methods of use for ultrasound-guided ablation | |
US5176141A (en) | Disposable intra-luminal ultrasonic instrument | |
US5507294A (en) | Ultrasound diagnostic probe having non-rotating acoustic imaging waveguide | |
EP2787894B1 (en) | Imaging device for visualizing an occluded vessel | |
JP3972129B2 (ja) | 経血管・超音波・血行動態評価用カテーテル装置 | |
US7156812B2 (en) | Volumetric image ultrasound transducer underfluid catheter system | |
US9486143B2 (en) | Intravascular forward imaging device | |
EP0329492A2 (en) | Laser catheter delivery system | |
US9492140B2 (en) | Devices, systems, and methods for forward looking imaging | |
US11344203B2 (en) | Opto acoustic device system and method | |
US5509418A (en) | Ultrasound diagnostic probe having acoustically driven turbin | |
JPH04307047A (ja) | 超音波診断装置 | |
CN113057581A (zh) | 体外光声扫描仪 | |
CA2027391C (en) | Disposable intra-luminal ultrasonic instrument | |
Nishina et al. | Principles and practice of endoscopic ultrasound | |
JPH04319343A (ja) | 超音波診断装置 | |
JPH04319342A (ja) | 超音波診断装置 | |
JPH04307046A (ja) | 超音波診断装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20060828 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20061128 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20061201 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20070228 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20070326 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20070416 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110420 Year of fee payment: 4 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120420 Year of fee payment: 5 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120420 Year of fee payment: 5 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130420 Year of fee payment: 6 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130420 Year of fee payment: 6 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140420 Year of fee payment: 7 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |