WO2007144933A1 - 超音波診断装置 - Google Patents
超音波診断装置 Download PDFInfo
- Publication number
- WO2007144933A1 WO2007144933A1 PCT/JP2006/311776 JP2006311776W WO2007144933A1 WO 2007144933 A1 WO2007144933 A1 WO 2007144933A1 JP 2006311776 W JP2006311776 W JP 2006311776W WO 2007144933 A1 WO2007144933 A1 WO 2007144933A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- blood vessel
- ultrasonic
- image
- vessel diameter
- imaging
- 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
-
- 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
- A61B8/14—Echo-tomography
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
- A61B5/02007—Evaluating blood vessel condition, e.g. elasticity, compliance
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/48—Other medical applications
- A61B5/4887—Locating particular structures in or on the body
- A61B5/489—Blood vessels
-
- 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
- A61B8/08—Clinical applications
- A61B8/0858—Clinical applications involving measuring tissue layers, e.g. skin, interfaces
-
- 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
- A61B8/4461—Features of the scanning mechanism, e.g. for moving the transducer within the housing of the probe
-
- 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
-
- 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
- G01S15/8945—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a dynamic transducer configuration using transducers mounted for linear mechanical movement
Definitions
- the present invention relates to an ultrasonic diagnostic apparatus, and more particularly to an ultrasonic diagnostic apparatus suitably used for measuring a blood vessel diameter.
- Arteriosclerosis causes heart disease such as angina pectoris and myocardial infarction, and cerebral infarction.
- the flow-mediated dilation (FMD) test using an ultrasound diagnostic device is known.
- FMD flow-mediated dilation
- the blood flow-dependent vasodilatory reaction is caused by the action of shear stress on the vascular endothelium caused by the increase in blood flow, and the vascular endothelial cell force is also generated as a vasodilator, nitric acid-nitrogen monoxide (NO). It is a reaction that expands the blood vessel diameter.
- the blood flow-dependent vasodilator test measures the degree of expansion of the upper arm vascular diameter when the forearm is driven for a certain period of time and then released at a stroke. It is defined by the formula of
- D is the maximum blood vessel diameter at rest before blood transduction (hereinafter referred to as ⁇ maximum blood vessel diameter at rest ''
- maximum blood vessel diameter after release means the maximum blood vessel diameter after release of the tourniquet (hereinafter referred to as “maximum blood vessel diameter after release”).
- % FMD measurement When performing the blood flow-dependent vasodilator response test (hereinafter referred to as “% FMD measurement”), first, an ultrasonic probe is brought into contact with the upper arm of the subject, and ultrasonic scanning is performed. Draw a tomographic image of the brachial artery at rest and save it in a VCR (Video Cassette Recorder). Subsequently, the subject's forearm is pressed with a cuff for a certain period of time. After driving, the tomographic image of the brachial artery after releasing at once is drawn and stored again in the VCR.
- VCR Video Cassette Recorder
- an image at an appropriate time is selected from the blood vessel images obtained at rest and after the release of blood pressure, and the diameter of the blood vessel depicted in these images is measured by image analysis.
- % FMD is calculated based on the above formula (1).
- Patent Document 1 Japanese Patent Application Laid-Open No. 2003-180690 ([0002])
- the diameter of the blood vessel is maximized while confirming an ultrasonic image of a cross section parallel to the central axis of the blood vessel of the brachial artery 50 (hereinafter referred to as an “axial tomographic image”) that is brought into contact with and visualized by ultrasonic scanning.
- the position and angle of the correct probe 71 is found, and a tomographic image of the blood vessel is imaged at rest and after release of blood pressure with the probe 71 fixed at the position.
- the problem to be solved by the present invention is that a tomographic image showing the maximum blood vessel diameter can be easily drawn, and can be suitably used for blood vessel diameter measurement in% FMD measurement or the like.
- An ultrasonic diagnostic apparatus is provided.
- the ultrasonic diagnostic apparatus of the present invention which has been made to solve the above-mentioned problem, takes an ultrasonic tomographic image of a blood vessel and measures the blood vessel diameter based on the image!
- an ultrasonic transducer that performs scanning of the ultrasonic beam, and the ultrasonic transducer is capable of rotating or translating in a direction orthogonal to the scanning direction of the ultrasonic beam; and b) the above Multiple cross-sectional imaging that images ultrasonic tomographic images of the blood vessels in a plurality of cross sections by rotating or translating an ultrasonic transducer at predetermined intervals and scanning the ultrasonic beam with the vibrator at each position.
- An imaging position determining means for determining, as a diagnostic image imaging position, a position where an image showing an appropriate blood vessel diameter is captured based on the result of measurement by the blood vessel diameter measuring means;
- a probe generally used as a probe for 4D imaging can be used.
- a probe for example, a probe generally used as a probe for 4D imaging (real-time three-dimensional imaging) can be used.
- Such a probe is usually configured to switch the scanning plane by rotating the transducer 1 la in a direction orthogonal to the scanning direction of the ultrasonic beam as shown in FIG. 7 (a).
- the ultrasonic probe according to the present invention switches the scanning plane by translating the transducer 11a in a direction orthogonal to the scanning direction of the ultrasonic beam as shown in FIG. 8 (a). A little.
- the ultrasonic diagnostic apparatus of the present invention having the above-described configuration, it is possible to automatically search for an appropriate imaging position and align the transducer to the imaging position, and in% FMD measurement and the like.
- the blood vessel diameter can be measured smoothly.
- the ultrasonic probe is used for the blood vessel.
- the axial direction and the scanning direction of the ultrasonic beam are arranged so as to be substantially parallel.
- the ultrasonic transducer is rotated or translated in the direction substantially perpendicular to the axial direction of the blood vessel by the multi-section imaging means.
- the imaging position determining means determines the position where the blood vessel diameter in the image is maximum as the diagnostic image imaging position.
- the imaging position determining means determines the position where the blood vessel diameter in the vertical direction (direction perpendicular to the skin) in the image is minimum as the diagnostic image imaging position.
- the ultrasonic diagnostic apparatus of the present invention further pressurizes the subject's body surface to drive blood vessels to be diagnosed for a certain period of time, and then depressurizes the blood to release the blood pressure and outputs a decompression start signal. It is desirable to have a blood-feeding means for outputting, and the multi-section imaging means has a function of starting imaging of the plurality of cross-sections in response to the decompression start signal. As a result, fine adjustment of the imaging position can be automatically started according to the release of the blood drive, and the labor of the operator in the% FMD measurement can be further reduced.
- FIG. 1 is a block diagram showing a schematic configuration of an ultrasonic diagnostic apparatus according to an embodiment of the present invention.
- FIG. 2 is a cross-sectional view showing a state in which the ultrasonic probe according to the embodiment is brought into contact with the subject's upper arm, showing a cross section parallel to the vascular axis of the brachial artery.
- FIG. 3 is a cross-sectional view showing a state in which the ultrasonic probe according to the same example is in contact with the upper arm of the subject, showing a cross section perpendicular to the vascular axis of the brachial artery.
- FIG. 4 is a flowchart showing the procedure for% FMD measurement using the ultrasonic diagnostic apparatus of the same example.
- FIG. 5 is a schematic diagram showing a state where a cuff and an ultrasonic probe are fixed to a subject.
- FIG. 6 is a diagram showing an example of an axial tomographic image of the brachial artery depicted on a monitor.
- FIG. 7 is a diagram for explaining an ultrasonic probe provided with a transducer rotation mechanism, wherein (a) is a conceptual diagram showing a method for imaging a plurality of cross sections by the ultrasonic probe, and (b) is a diagram showing the method.
- FIG. 3 is a cross-sectional view showing a configuration example of an ultrasonic probe on a plane orthogonal to the scanning direction of the ultrasonic beam.
- FIG. 8 is a diagram for explaining an ultrasonic probe equipped with a transducer translation mechanism, wherein (a) is a conceptual diagram showing a method of imaging a plurality of cross sections by the ultrasonic probe, and (b) is a diagram illustrating the supersonic wave probe.
- FIG. 3 is a cross-sectional view showing a configuration example of a sound wave probe in a plane orthogonal to the scanning direction of an ultrasonic beam.
- FIG. 9 is a diagram showing a positional relationship between a blood vessel and a probe when measuring a blood vessel diameter with a conventional ultrasonic diagnostic apparatus in a cross-section perpendicular to the blood vessel axis. b) shows the state of displacement, and (c) shows the fine adjustment process of the imaging position by the operator.
- FIG. 1 shows a schematic configuration of the ultrasonic diagnostic apparatus of this embodiment.
- 2 and 3 show a state in which the ultrasonic probe according to the ultrasonic diagnostic apparatus of this embodiment is in contact with the upper arm of the subject, and FIG. 2 is parallel to the axial direction of the brachial artery.
- Fig. 3 shows a cross section orthogonal to the axial direction of the brachial artery.
- the ultrasonic probe 11 transmits ultrasonic waves into the body of the subject and receives ultrasonic waves reflected in the body of the subject and converts them into electrical signals.
- the ultrasonic probe 11 includes a transducer array 1 la configured by a number of ultrasonic transducers arranged in a one-dimensional shape and scanning an ultrasonic beam using a linear scan method, and the transducer Transducer rotation mechanism that rotates the transducer array 1 la around a virtual rotation axis parallel to the array direction (that is, rotates the transducer array in a direction orthogonal to the scanning direction of the ultrasonic beam) ib and built-in.
- the vibrator rotation mechanism l ib is, for example, as shown in FIG.
- the transmission / reception control unit 12 controls scanning of the ultrasonic beam by the transducer array 11a, and the rotation control unit 13 rotates the transducer array 11a by the transducer rotation mechanism l ib. Is to control.
- the electrical signal of the reflected ultrasonic wave output from the ultrasonic probe 11 is an ultrasonic signal processing unit 14. Is input.
- the ultrasonic signal processing unit 14 converts this electrical signal into image data, and further performs data processing suitable for image display, such as phasing addition, gain adjustment, logarithmic compression, and the like.
- the processed data is output from the ultrasonic signal processing unit 14 to the display processing unit 15.
- the display processing unit 15 generates an electrical signal to be displayed on the image data force monitor 16 and outputs the electrical signal to the monitor 16.
- the operation up to this point is repeated at a predetermined cycle, and an ultrasonic image is displayed on the monitor 16 as a moving image.
- the moving image is stored in the image storage unit 19 composed of the VCR for an arbitrary period in accordance with an instruction from the operator.
- the blood vessel diameter measuring unit 17 performs blood vessel wall detection and measurement of the distance between the blood vessel walls on a tomographic image of the blood vessel stored in the memory of the display processing unit 15 by using a predetermined image analysis algorithm.
- the measurement result storage unit 18 is a blood vessel diameter measurement unit.
- the measurement result by 17 is memorized.
- Each of the above units is controlled by a control unit 20 that also has a CPU equal force, and the control unit 20 also has a pointing device such as a mouse or a trackball or a keyboard force for an operator to input settings or instructions.
- An input unit 21 is connected.
- control unit 20 is connected to a blood pumping unit 30 for driving the brachial artery of the subject.
- the blood-feeding unit 30 includes a cuff 31 used around the forearm of the subject.
- the air pipe 32 and the compression pump 33 for feeding air into the cuff 31 and the blood pressure control unit 34 for controlling the operation thereof are provided.
- the compression pump 33 is provided with an electromagnetic valve for discharging air, and when releasing the blood pressure, the electromagnetic valve is opened, and at the same time, a decompression start signal for informing the decompression start of the cuff 31 is sent to the ultrasonic diagnostic apparatus. It is output to the control unit 20 of the main body 10. Furthermore, an instruction from the operator can be input to the blood drive control unit 34 via the input unit 21 provided in the ultrasonic diagnostic apparatus main body 10.
- the cuff 31 is wrapped around the forearm portion of the subject and allowed to rest for 15 minutes, and then the probe 11 is brought into contact with a predetermined position of the upper arm portion 40 (FIG. 5).
- the probe 11 is The array direction of the rays 11a (that is, the scanning direction of the ultrasonic beam) should be parallel to the axial direction of the arm.
- an ultrasonic beam is scanned by the transducer array 11a, and an axial tomographic image (FIG. 6) of the brachial artery 50 is rendered on the monitor 16.
- the operator checks the image on the motor 16 and moves the position and angle of the probe 11 little by little by hand to find a position where the diameter of the blood vessel 50 to be drawn is maximized, and the probe 11 also moves the position force. Fix with a fixture (not shown).
- An ultrasonic image is taken in the above state, and the operator performs a predetermined operation on the input unit 21 to store the image in the image storage unit 19 for a predetermined time.
- the acquired image is referred to as a “resting blood vessel image”.
- the brachial artery is started to be transfused with cuff 31.
- the blood pressure control unit 34 controls the compression pump 33 to send air to the cuff 31 attached to the subject's forearm, and when the cuff pressure reaches 250mmHg, the air supply is stopped. To do.
- the blood pressure control unit 34 opens the solenoid valve provided in the compression pump 33, discharges air, and performs pressure reduction at a stroke.
- the blood drive control unit 34 sends a signal (decompression start signal) that informs the control unit 20 of the ultrasonic diagnostic apparatus body 10 of the start of decompression as the electromagnetic valve is opened.
- the control unit 20 instructs the rotation control unit 13 and the transmission / reception control unit 12 to perform fine adjustment of the imaging position.
- the rotation control unit 13 controls the transducer rotation mechanism 1 lb to rotate the transducer array 11a at a predetermined angular interval as shown in FIG. 3, and the transmission / reception control unit 12 controls the transducer array 11a. Control and execute ultrasonic scanning by linear scanning method at each rotation angle. As a result, axial tomographic images of the brachial artery 50 with slightly different cross-sectional positions are sequentially captured and rendered on the monitor 16.
- the blood vessel lumen 51 and the two blood vessels are obtained based on the luminance distribution from the image data (the luminance value of each pixel) stored in the memory of the display processing unit 15 for image display.
- the boundary position between the wall (near, near and far from the skin) 52 (the part indicated by the arrow in FIG. 6) is detected, and the distance between the two boundary positions is measured as the blood vessel diameter.
- the measurement value obtained for each image is stored in the measurement result storage unit 18 in association with the angular position of the transducer array 11a when the image is captured.
- a conventionally known algorithm can be used for the detection of the blood vessel wall and the measurement of the blood vessel diameter.
- the value of the blood vessel diameter measured for each image is read from the measurement result storage unit 18 and the measured values are compared.
- an image showing the maximum blood vessel diameter is specified, and the angular position of the transducer array 11a when the image is captured is determined as an imaging position where the maximum blood vessel diameter can be captured. Accordingly, the transducer array 11a is rotated to the imaging position under the control of the rotation control unit 13, and the subsequent imaging is performed at the imaging position.
- the operator gives an instruction to save the image via the input unit 21 and is drawn by the probe 11 until a predetermined time elapses.
- the tomographic image of the brachial artery 50 is stored in the image storage unit 19 and the imaging is completed.
- the image acquired at this time is hereinafter referred to as “post-release blood vessel image”.
- the operator operates the input unit 21 to reproduce the resting blood vessel image stored in the image storage unit 19. Furthermore, when the image is frozen at an appropriate time by performing a predetermined operation and the measurement of the blood vessel diameter is instructed, the blood vessel diameter measurement unit 17 is based on the luminance distribution of the image as in step S15 above. The diameter of the blood vessel 50 depicted in the image was measured, and the obtained value was measured as the maximum blood vessel diameter D at rest.
- the vibrator rotation mechanism l ib is provided.
- the transducer array 11a is rotated by the ultrasonic probe 11, and the angle position where the maximum blood vessel diameter can be drawn is searched based on the measurement result by the blood vessel diameter measuring unit 17, and the image pickup position is automatically finely adjusted. be able to.
- such fine adjustment of the imaging position is automatically started in response to the decompression start signal sent from the blood pumping unit 30, so that it is possible to further reduce the labor of the operator related to the% FMD measurement. Smooth measurement can be performed.
- the best mode for carrying out the present invention has been described using examples, but the present invention is not limited to the above examples, and various modifications can be made within the scope of the gist of the present invention. It is acceptable.
- the fine adjustment of the imaging position by the ultrasonic diagnostic apparatus of the present invention is used for correcting the positional deviation between the probe and the blood vessel at the time of releasing the blood transfusion as in the above embodiment, and before starting a series of measurements, It can also be used for positioning when fixing to the upper arm. In such a case, only the rough alignment is performed when the probe is fixed to the upper arm portion by the fixture as described above, and then the multi-section imaging means, imaging position determining means, and maximum blood vessel of the present invention are performed.
- the transducer is set in a direction orthogonal to the scanning direction of the ultrasonic beam. You may use the thing provided with the vibrator translation mechanism for making it translate at an interval.
- the vibrator translation mechanism is configured such that an eccentric disk 65 attached to a rotating shaft 61 of a motor (not shown), a link 66, and a slider 67
- the rotation can be converted into the translational motion of the vibrator 11a.
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Abstract
Description
Claims
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008521047A JPWO2007144933A1 (ja) | 2006-06-12 | 2006-06-12 | 超音波診断装置 |
| US12/304,272 US20090204007A1 (en) | 2006-06-12 | 2006-06-12 | Ultrasonograph |
| CNA2006800546724A CN101448462A (zh) | 2006-06-12 | 2006-06-12 | 超声波诊断装置 |
| PCT/JP2006/311776 WO2007144933A1 (ja) | 2006-06-12 | 2006-06-12 | 超音波診断装置 |
| EP06757261A EP2030571A4 (en) | 2006-06-12 | 2006-06-12 | ECHOGRAPHIC DIAGNOSTIC DEVICE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2006/311776 WO2007144933A1 (ja) | 2006-06-12 | 2006-06-12 | 超音波診断装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2007144933A1 true WO2007144933A1 (ja) | 2007-12-21 |
Family
ID=38831457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2006/311776 Ceased WO2007144933A1 (ja) | 2006-06-12 | 2006-06-12 | 超音波診断装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20090204007A1 (ja) |
| EP (1) | EP2030571A4 (ja) |
| JP (1) | JPWO2007144933A1 (ja) |
| CN (1) | CN101448462A (ja) |
| WO (1) | WO2007144933A1 (ja) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014050536A (ja) * | 2012-09-06 | 2014-03-20 | Hitachi Aloka Medical Ltd | 超音波診断装置 |
| JP2014111209A (ja) * | 2014-03-19 | 2014-06-19 | Seiko Epson Corp | 血管径測定装置、血管径の測定方法 |
| JP5672241B2 (ja) * | 2009-12-18 | 2015-02-18 | コニカミノルタ株式会社 | 超音波診断装置およびその制御方法 |
| JP2017018195A (ja) * | 2015-07-08 | 2017-01-26 | 国立大学法人東京農工大学 | 血管径測定装置 |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9642595B2 (en) * | 2011-01-31 | 2017-05-09 | Konica Minolta, Inc. | Ultrasound diagnostic apparatus for intima-media thickness measurement |
| KR101387934B1 (ko) * | 2011-12-08 | 2014-04-23 | 삼성메디슨 주식회사 | 초음파 진단장치 |
| CN105792755B (zh) * | 2013-11-20 | 2018-11-02 | 株式会社爱发科 | 超声波探头及使用该超声波探头的活体血管直径的测量方法 |
| CN111194185A (zh) * | 2017-10-02 | 2020-05-22 | 百合医疗科技株式会社 | 医用图像装置 |
| US11278259B2 (en) | 2018-02-23 | 2022-03-22 | Verathon Inc. | Thrombus detection during scanning |
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| JP2001299752A (ja) * | 2000-04-25 | 2001-10-30 | Aloka Co Ltd | 超音波診断装置 |
| JP2003180690A (ja) | 2001-12-19 | 2003-07-02 | Media Cross Kk | エコーを用いた血管径測定装置 |
| JP2006006686A (ja) * | 2004-06-28 | 2006-01-12 | Aloka Co Ltd | 超音波診断装置 |
| JP2006081640A (ja) * | 2004-09-15 | 2006-03-30 | Ge Medical Systems Global Technology Co Llc | 超音波撮像装置、画像処理装置およびプログラム |
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| EP0432771B1 (en) * | 1989-12-14 | 1996-06-05 | Aloka Co. Ltd. | Three-dimensional ultrasonic scanner |
| US5623930A (en) * | 1995-05-02 | 1997-04-29 | Acuson Corporation | Ultrasound system for flow measurement |
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| US6048317A (en) * | 1998-09-18 | 2000-04-11 | Hewlett-Packard Company | Method and apparatus for assisting a user in positioning an ultrasonic transducer |
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| EP1123687A3 (en) * | 2000-02-10 | 2004-02-04 | Aloka Co., Ltd. | Ultrasonic diagnostic apparatus |
| JP4217023B2 (ja) * | 2002-02-25 | 2009-01-28 | 一郎 佐久間 | 血管内皮計測装置 |
| JP2004290408A (ja) * | 2003-03-27 | 2004-10-21 | Aloka Co Ltd | 超音波診断装置 |
| JP4799833B2 (ja) * | 2003-06-19 | 2011-10-26 | サラヤ株式会社 | エコーを用いた血管径測定方法およびその装置 |
| JP2006115937A (ja) * | 2004-10-19 | 2006-05-11 | Matsushita Electric Ind Co Ltd | 超音波診断装置 |
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2006
- 2006-06-12 EP EP06757261A patent/EP2030571A4/en not_active Withdrawn
- 2006-06-12 CN CNA2006800546724A patent/CN101448462A/zh active Pending
- 2006-06-12 US US12/304,272 patent/US20090204007A1/en not_active Abandoned
- 2006-06-12 WO PCT/JP2006/311776 patent/WO2007144933A1/ja not_active Ceased
- 2006-06-12 JP JP2008521047A patent/JPWO2007144933A1/ja not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001299752A (ja) * | 2000-04-25 | 2001-10-30 | Aloka Co Ltd | 超音波診断装置 |
| JP2003180690A (ja) | 2001-12-19 | 2003-07-02 | Media Cross Kk | エコーを用いた血管径測定装置 |
| JP2006006686A (ja) * | 2004-06-28 | 2006-01-12 | Aloka Co Ltd | 超音波診断装置 |
| JP2006081640A (ja) * | 2004-09-15 | 2006-03-30 | Ge Medical Systems Global Technology Co Llc | 超音波撮像装置、画像処理装置およびプログラム |
Non-Patent Citations (1)
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5672241B2 (ja) * | 2009-12-18 | 2015-02-18 | コニカミノルタ株式会社 | 超音波診断装置およびその制御方法 |
| JP2014050536A (ja) * | 2012-09-06 | 2014-03-20 | Hitachi Aloka Medical Ltd | 超音波診断装置 |
| JP2014111209A (ja) * | 2014-03-19 | 2014-06-19 | Seiko Epson Corp | 血管径測定装置、血管径の測定方法 |
| JP2017018195A (ja) * | 2015-07-08 | 2017-01-26 | 国立大学法人東京農工大学 | 血管径測定装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2007144933A1 (ja) | 2009-10-29 |
| US20090204007A1 (en) | 2009-08-13 |
| EP2030571A1 (en) | 2009-03-04 |
| EP2030571A4 (en) | 2010-01-06 |
| CN101448462A (zh) | 2009-06-03 |
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