JP4705168B2 - 凹状フェーズドアレイ・撮像カテーテル - Google Patents
凹状フェーズドアレイ・撮像カテーテル Download PDFInfo
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- JP4705168B2 JP4705168B2 JP2008519652A JP2008519652A JP4705168B2 JP 4705168 B2 JP4705168 B2 JP 4705168B2 JP 2008519652 A JP2008519652 A JP 2008519652A JP 2008519652 A JP2008519652 A JP 2008519652A JP 4705168 B2 JP4705168 B2 JP 4705168B2
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- 238000003384 imaging method Methods 0.000 title claims description 34
- 239000000463 material Substances 0.000 claims description 4
- 238000002059 diagnostic imaging Methods 0.000 claims description 3
- 238000012285 ultrasound imaging Methods 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims 4
- 238000000034 method Methods 0.000 description 10
- 238000012014 optical coherence tomography Methods 0.000 description 5
- 210000004204 blood vessel Anatomy 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000002281 optical coherence-domain reflectometry Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 210000005166 vasculature Anatomy 0.000 description 2
- 206010060965 Arterial stenosis Diseases 0.000 description 1
- 239000004696 Poly ether ether ketone Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000012814 acoustic material Substances 0.000 description 1
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 210000001105 femoral artery Anatomy 0.000 description 1
- 238000002608 intravascular ultrasound Methods 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- HLXZNVUGXRDIFK-UHFFFAOYSA-N nickel titanium Chemical compound [Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ti].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni].[Ni] HLXZNVUGXRDIFK-UHFFFAOYSA-N 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
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- 239000004033 plastic Substances 0.000 description 1
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-
- 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
- A61B8/4483—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer
- A61B8/4488—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer the transducer being a phased array
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
- B06B1/0607—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements
- B06B1/0622—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using multiple elements on one surface
- B06B1/0633—Cylindrical array
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Surgery (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Mechanical Engineering (AREA)
- Gynecology & Obstetrics (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Endoscopes (AREA)
Description
Claims (16)
- 血管内デバイスであって、
近位部及び遠位部を有するカテーテルと、
撮像素子のフェーズドアレイと、
を備えており、
フェーズドアレイが、各々が1つの放出角を有している複数の縁素子を備えると共に、カテーテルの遠位部に配置されており、
フェーズドアレイが最大方位角方向に向けられるとき、縁素子からの放出角同士が実質的に同等となるように、フェーズドアレイが曲率半径を有する凹状である、
ことを特徴とする血管内デバイス。 - 撮像素子が、超音波撮像トランスデューサーである、
請求項1記載の血管内デバイス。 - 超音波撮像トランスデューサーの各々が、圧電結晶の層と結合した音響レンズを備えており、
圧電結晶がバッキング材と結合している、
請求項2記載の血管内デバイス。 - 撮像素子が、OCT撮像素子である、
請求項1記載の血管内デバイス。 - フェーズドアレイが、均一なピッチを有している、
請求項1記載の血管内デバイス。 - フェーズドアレイが、不均一なピッチを有している、
請求項1記載の血管内デバイス。 - 各々の撮像素子の幅が、ガウス関数、ベッセル関数又はシヌソイド関数のうちの1つに従う、
請求項1記載の血管内デバイス。 - 前記フェーズドアレイが、実質的に凹状である、
請求項1記載の血管内デバイス。 - 医用撮像装置であって、
近位部及び遠位部を有するガイドワイヤーと、ガイドワイヤーの遠位部に位置し、凹状の、撮像素子のフェーズドアレイとを有し、
このフェーズドアレイが、各々が1つの放出角を有している複数の縁素子を備えると共に、ガイドワイヤーの遠位部に配置されており、フェーズドアレイが最大方位角方向に向けられるとき、縁素子からの放出角同士が実質的に同等となるように、フェーズドアレイが曲率半径を有し、
更に、ガイドワイヤーの近位部に結合された画像処理デバイスを備えた、
ことを特徴とする医用撮像装置。 - 撮像素子が、超音波撮像トランスデューサーである、
請求項9記載の医用画像装置。 - 超音波撮像トランスデューサーの各々が、圧電結晶の層と結合した音響レンズを備えており、
圧電結晶がバッキング材と結合している、
請求項10記載の医用画像装置。 - 撮像素子が、OCT撮像素子である、
請求項9記載の医用画像装置。 - フェーズドアレイが、均一なピッチを有している、
請求項9記載の医用画像装置。 - フェーズドアレイが、不均一なピッチを有している、
請求項9記載の医用画像装置。 - 各々の撮像素子の幅が、ガウス関数、ベッセル関数又はシヌソイド関数のうちの1つに従う、
請求項9記載の医用画像装置。 - 凹状フェーズドアレイが、実質的に凹形である、
請求項9記載の医用画像装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/173,550 US7625343B2 (en) | 2005-07-01 | 2005-07-01 | Concave phased array imaging catheter |
US11/173,550 | 2005-07-01 | ||
PCT/US2006/025770 WO2007005710A2 (en) | 2005-07-01 | 2006-06-29 | Concave phased array imaging catheter |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009500082A JP2009500082A (ja) | 2009-01-08 |
JP4705168B2 true JP4705168B2 (ja) | 2011-06-22 |
Family
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---|---|---|---|
JP2008519652A Expired - Fee Related JP4705168B2 (ja) | 2005-07-01 | 2006-06-29 | 凹状フェーズドアレイ・撮像カテーテル |
Country Status (5)
Country | Link |
---|---|
US (1) | US7625343B2 (ja) |
EP (1) | EP1898798A2 (ja) |
JP (1) | JP4705168B2 (ja) |
CA (1) | CA2612611A1 (ja) |
WO (1) | WO2007005710A2 (ja) |
Families Citing this family (24)
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US8105239B2 (en) | 2006-02-06 | 2012-01-31 | Maui Imaging, Inc. | Method and apparatus to visualize the coronary arteries using ultrasound |
WO2008051639A2 (en) | 2006-10-25 | 2008-05-02 | Maui Imaging, Inc. | Method and apparatus to produce ultrasonic images using multiple apertures |
JP4885779B2 (ja) * | 2007-03-29 | 2012-02-29 | オリンパスメディカルシステムズ株式会社 | 静電容量型トランスデューサ装置及び体腔内超音波診断システム |
US9788813B2 (en) | 2010-10-13 | 2017-10-17 | Maui Imaging, Inc. | Multiple aperture probe internal apparatus and cable assemblies |
US10226234B2 (en) | 2011-12-01 | 2019-03-12 | Maui Imaging, Inc. | Motion detection using ping-based and multiple aperture doppler ultrasound |
US9282945B2 (en) | 2009-04-14 | 2016-03-15 | Maui Imaging, Inc. | Calibration of ultrasound probes |
FI121288B (fi) | 2007-10-05 | 2010-09-15 | Tamtron Oy | Menetelmä ja järjestelmä materiaalinsiirtovälineeseen kuuluvan punnituslaitteen vakaamiseksi |
US8840558B2 (en) * | 2008-06-05 | 2014-09-23 | Starkey Laboratories, Inc. | Method and apparatus for mathematically characterizing ear canal geometry |
US8602993B2 (en) | 2008-08-08 | 2013-12-10 | Maui Imaging, Inc. | Imaging with multiple aperture medical ultrasound and synchronization of add-on systems |
WO2010120907A2 (en) | 2009-04-14 | 2010-10-21 | Maui Imaging, Inc. | Multiple aperture ultrasound array alignment fixture |
DK2258266T3 (da) * | 2009-06-05 | 2012-07-09 | Starkey Lab Inc | Fremgangsmåde og apparat til matematisk karakterisering af ørekanalens geometri |
JP6274724B2 (ja) | 2010-02-18 | 2018-02-07 | マウイ イマギング,インコーポレーテッド | 多開口超音波撮像を用いた点音源送信及び音速補正 |
TWI407479B (zh) * | 2010-04-07 | 2013-09-01 | Beijing Funate Innovation Tech | 透射電鏡微柵 |
US9668714B2 (en) | 2010-04-14 | 2017-06-06 | Maui Imaging, Inc. | Systems and methods for improving ultrasound image quality by applying weighting factors |
JP6092109B2 (ja) | 2010-10-13 | 2017-03-08 | マウイ イマギング,インコーポレーテッド | 凹面超音波トランスデューサ及び3dアレイ |
US9265484B2 (en) | 2011-12-29 | 2016-02-23 | Maui Imaging, Inc. | M-mode ultrasound imaging of arbitrary paths |
CN104135937B (zh) | 2012-02-21 | 2017-03-29 | 毛伊图像公司 | 使用多孔超声确定材料刚度 |
CN104620128B (zh) | 2012-08-10 | 2017-06-23 | 毛伊图像公司 | 多孔径超声探头的校准 |
CN104582582B (zh) | 2012-08-21 | 2017-12-15 | 毛伊图像公司 | 超声成像系统存储器架构 |
US9510806B2 (en) | 2013-03-13 | 2016-12-06 | Maui Imaging, Inc. | Alignment of ultrasound transducer arrays and multiple aperture probe assembly |
JP5814287B2 (ja) | 2013-03-25 | 2015-11-17 | 株式会社フジクラ | ガイドワイヤ |
US9883848B2 (en) | 2013-09-13 | 2018-02-06 | Maui Imaging, Inc. | Ultrasound imaging using apparent point-source transmit transducer |
CN106794007B (zh) | 2014-08-18 | 2021-03-09 | 毛伊图像公司 | 基于网络的超声成像系统 |
CN113729764A (zh) | 2016-01-27 | 2021-12-03 | 毛伊图像公司 | 具有稀疏阵列探测器的超声成像 |
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JP2001299755A (ja) * | 2000-04-21 | 2001-10-30 | Hitachi Medical Corp | 超音波探触子及び超音波診断装置 |
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-
2005
- 2005-07-01 US US11/173,550 patent/US7625343B2/en active Active
-
2006
- 2006-06-29 CA CA002612611A patent/CA2612611A1/en not_active Abandoned
- 2006-06-29 JP JP2008519652A patent/JP4705168B2/ja not_active Expired - Fee Related
- 2006-06-29 WO PCT/US2006/025770 patent/WO2007005710A2/en active Application Filing
- 2006-06-29 EP EP06786086A patent/EP1898798A2/en not_active Withdrawn
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Also Published As
Publication number | Publication date |
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US7625343B2 (en) | 2009-12-01 |
CA2612611A1 (en) | 2007-01-11 |
EP1898798A2 (en) | 2008-03-19 |
WO2007005710A3 (en) | 2007-07-12 |
US20070016055A1 (en) | 2007-01-18 |
WO2007005710A2 (en) | 2007-01-11 |
JP2009500082A (ja) | 2009-01-08 |
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