WO2004082482A1 - 超音波探触子および超音波診断装置 - Google Patents
超音波探触子および超音波診断装置 Download PDFInfo
- Publication number
- WO2004082482A1 WO2004082482A1 PCT/JP2004/003745 JP2004003745W WO2004082482A1 WO 2004082482 A1 WO2004082482 A1 WO 2004082482A1 JP 2004003745 W JP2004003745 W JP 2004003745W WO 2004082482 A1 WO2004082482 A1 WO 2004082482A1
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- Prior art keywords
- ultrasonic
- encoder
- swing
- scanning
- dimensional image
- Prior art date
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Classifications
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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
- A61B8/48—Diagnostic techniques
- A61B8/483—Diagnostic techniques involving the acquisition of a 3D volume of data
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
-
- 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
Definitions
- the present invention relates to an ultrasonic probe for transmitting an ultrasonic beam to an in-vivo tissue or the like and receiving a reflected ultrasonic echo to acquire three-dimensional echo data, and such an ultrasonic probe.
- the present invention relates to an ultrasonic diagnostic apparatus to which an ultrasonic probe is applied.
- an ultrasonic probe for capturing three-dimensional echo data which is used in an ultrasonic diagnostic apparatus for displaying three-dimensional tissue state in a living body, is an ultrasonic probe for scanning an ultrasonic beam.
- a built-in ultrasonic vibrator body is configured to mechanically swing and scan the ultrasonic vibrator body in a direction intersecting the beam scanning direction (for example, see Japanese Patent Application Laid-Open No. No. 4532).
- main section scanning ultrasonic beam scanning
- oscillating scanning it is possible to acquire echo data corresponding to the intersection of both scanning planes, which move every moment, that is, echo data in a three-dimensional space. It becomes possible.
- the acquired three-dimensional echo data is subjected to a three-dimensional image construction process, and is displayed by a display method as if there is depth in a plane, or an arbitrary cross section is displayed.
- the angle of the oscillating scanning plane which is mechanically scanned, is calculated by counting the pulse from a low-encoder attached to the motor rotation shaft for oscillating the ultrasonic vibrator body.
- ⁇ ⁇ ⁇ It is configured to determine the angle.
- three-dimensional images using ultrasonic diagnostic equipment have been used for puncture while monitoring the three-dimensional images and guidelines, as well as for measuring the distance and angle of organs, tumors, fetuses, etc. It is being used and its usefulness is increasing.
- the three-dimensional images provided by the ultrasonic diagnostic apparatus need to be constructed with higher precision than before, that is, at the spatially correct position.
- the oscillating scan angle required to construct a three-dimensional image is output exclusively from a rotary encoder attached to the rotation shaft of the oscillating motor in the ultrasonic probe. It is obtained by counting the number of pulses.
- variations in the mounting accuracy of the motor rotary shaft and the rotary encoder, rattling of the rotation transmission mechanism, and variations in the mounting accuracy of the ultrasonic transducer body and the rotation transmission mechanism, or a rotary encoder The actual oscillation scanning angle of the ultrasonic transducer body for each count value obtained by counting the pulses from the mouth encoder due to variations in the mouth itself varies for each ultrasonic probe. .
- the ultrasonic diagnostic apparatus main body has a means for correcting the above-mentioned variation, every time the ultrasonic probe used is changed, the actual swing scanning angle of the ultrasonic transducer body with respect to each count value is changed. You must go through the calibration procedure when you enter.
- the swing scanning angle of the child body may be different between the forward path and the return path.
- the swing scanning angle with respect to each count value differs for each ultrasonic probe, and furthermore, the swing scanning angle differs between the forward path and the return path, so that the three-dimensional image constructed depending on the ultrasonic probe used is distorted. It has problems such as misalignment, image shaking due to swinging reciprocation, and as a result, puncturing in a direction deviated from the direction expected by the operator, and large errors in distance and angle measurement results. May be caused.
- the present invention solves the above-mentioned conventional problems, and its object is to be able to construct a three-dimensional image at a more spatially correct position irrespective of the ultrasonic probe to be used, and to provide a three-dimensional image of the operation.
- An object of the present invention is to provide an excellent ultrasonic diagnostic apparatus which can be realized without lowering the productivity and an ultrasonic probe suitable for such an ultrasonic diagnostic apparatus.
- an ultrasonic probe comprises: an ultrasonic transducer body for scanning an ultrasonic beam; and an ultrasonic transducer body in a direction intersecting a scanning direction of the ultrasonic beam.
- a vibrator body oscillating motor that oscillates and scans, a mouth encoder that generates pulses in accordance with the rotational position of the vibrator body oscillating motor, and counters obtained by counting pulses from a rotary encoder.
- an encoder correction ROM for storing the actual swing scanning angle of the ultrasonic transducer body with respect to the G value, and outputting the stored actual swing scanning angle of the ultrasonic transducer body to the outside. It is characterized by the following.
- the encoder correction R OM stores different swing direction angles in the forward path and the backward path of the swing scanning.
- the actual scan angle of the ultrasonic transducer in the forward and backward directions for each count value obtained by counting the pulses from the encoder is stored in advance in the encoder correction ROM.
- a first ultrasonic diagnostic apparatus excites an ultrasonic probe according to the present invention and a vibrator of an ultrasonic vibrator body, and reflects the object by an object.
- Transmission / reception means for receiving the received ultrasonic echo, an encoder counter for counting pulses from the mouth encoder, and an encoder correction ROM in the ultrasonic probe.
- Main control means for reading the swing scanning angle of the ultrasonic vibrator body, motor control means for controlling the drive of the vibrator body in accordance with the count value from the encoder counter, and transmission / reception means.
- a three-dimensional image is constructed based on the ultrasonic echo data, the counter value from the encoder counter, and the actual ultrasonic scanning angle of the ultrasonic transducer body for each count value given from the main control unit. And a three-dimensional image processing means for displaying a three-dimensional image.
- a second ultrasonic diagnostic apparatus excites the ultrasonic probe according to the present invention and a vibrator of an ultrasonic vibrator body, and Transmitter / receiver that receives the reflected ultrasonic echo, encoder counter that counts the pulses from the encoder, and encoder correction ROM in the ultrasonic probe.
- the main control means for reading the swing scanning angle of the ultrasonic transducer body, the count value from the encoder count, and the actual swing scanning angle of the ultrasonic transducer body for each count value given by the main control means And a motor control means for driving and controlling the vibrator body oscillating motor, and a three-dimensional image processing means for constructing a three-dimensional image based on the ultrasonic echo data obtained from the transmitting and receiving means. And a display means for displaying a three-dimensional image.
- the ultrasonic diagnostic apparatus is obtained.
- a small flash ROM or E-square ROM that can be obtained at low cost as the encoder correction ROM, an inexpensive and small ultrasonic probe can be realized.
- the correction data is stored in the encoder correction ROM in a nonvolatile manner in advance, it does not require time for acquiring data necessary for the correction. Further, unlike the conventional example, it is possible to flexibly correct the angular deviation in the swing reciprocation according to the swing scanning angle of the ultrasonic transducer body (that is, the output value of the encoder).
- FIG. 1 is a block diagram showing a configuration example of an ultrasonic diagnostic apparatus according to each embodiment of the present invention.
- FIG. 2 is a diagram showing the configuration of the mouth reencoder 4 of FIG. 1 and the waveforms of the Z pulse and the A pulse obtained thereby.
- FIG. 3 is a diagram showing the contents stored in the encoder correction ROM 9 of FIG.
- FIG. 4 is a diagram showing how a three-dimensional image is constructed in the embodiment of the present invention.
- FIG. 5 is a diagram showing the contents of an encoder correction ROM in which different encoder correction values are stored for the forward path and the return path of the swing scanning according to the embodiment of the present invention.
- FIG. 6 is a diagram showing a manner of constructing a three-dimensional image in which the oscillating traveling angle has been corrected in the forward path and the backward path of the oscillating scan according to the embodiment of the present invention.
- FIG. 1 is a block diagram showing a configuration example of an ultrasonic diagnostic apparatus according to Embodiment 1 of the present invention. Note that the ultrasonic diagnostic apparatus shown in FIG. 1 is also applied to each embodiment described later.
- the ultrasonic diagnostic apparatus has an ultrasonic transducer 2 for transmitting an ultrasonic beam into a living body and converting an ultrasonic echo from a tissue in the living body into an electric signal in an array.
- a plurality of ultrasonic transducer bodies 1 are arranged.
- Each ultrasonic transducer 2 is excited by a transmission pulse supplied from the transmission / reception means 8, and at this time, the transmission / reception means 8 is focused on a predetermined depth in the living body, that is, a transmission beam is formed.
- transmission pulses of different phases are controlled so as to be applied to some or all of the ultrasonic transducers 2 arranged in the ultrasonic transducer body 1.
- the ultrasonic beam transmitted to the living body in this manner returns as an echo from each tissue in the living body every moment.
- the transmitting / receiving means 8 transmits each ultrasonic oscillator 2 so that a reception beam is formed in a predetermined direction. After adding a different delay time to each received signal from, the addition is performed.
- the aforementioned sending The transmission beam and the reception beam form one acoustic scanning line by transmission / reception. That is, the transmission / reception means 8 generates and outputs ultrasonic echo data along the acoustic scanning line.
- the ultrasonic diagnostic apparatus is provided with a vibrator body oscillating module 5 that oscillates and scans the ultrasonic vibrator body 1 in a direction intersecting the aforementioned main cross-section scanning plane.
- the child swinging mode 5 is driven and controlled by the mode control means 6.
- the transmission / reception means 8 can generate an ultrasonic echo image corresponding to the intersection of the main section scanning plane and the oscillating scanning plane.
- both scanning planes are not independently scanned, but are scanned so as to uniformly acquire ultrasonic echo data of a specific three-dimensional part in a living body.
- the main section scanning and the swing scanning are performed such that the number of main section scanning planes per swing scanning is always constant and the angles between the main section scanning planes are substantially equal.
- the ultrasonic diagnostic apparatus includes a rotor re-encoder 4 on a rotating shaft of a transducer body swing motor 5.
- FIG. 2 shows a preferred example of the rotary encoder 4.
- the rotary encoder 4 is provided with a Z-pulse rotor 21 on the rotary shaft 20 so that a single pulse (hereinafter, referred to as a Z pulse) can be output at a specific angle of the rotary shaft 20.
- the Z pulse port 21 generates one Z pulse per rotation.
- the Z pulse sensor 23 detects a magnetized portion of the Z pulse rotor 21 and outputs a Z pulse.
- the A-pulse 22 and the A-pulse generate a fixed number of pulses (hereinafter, referred to as A-pulse) per rotation of the rotary shaft 20. Equipped with sensor—24.
- a magnetic encoder has been described as an example, but an optical encoder or a mechanical encoder may be used in the configuration of the present invention.
- the encoder counter 7 is reset by a Z pulse from the rotary encoder 4 and counts up or down by an A pulse.
- the count value is the rotation axis angle of the vibrator body swing motor 5, that is, the ultrasonic wave. This corresponds to the swing scanning angle of the vibrator body 1.
- the motor control means 6 can know the current swing scanning angle of the ultrasonic transducer body 1 based on the count value of the encoder counter 7, and It controls the vibrator body swing mode 5 that moves the ultrasonic vibrator body 1.
- the ultrasonic echo data of the specific three-dimensional part in the living body obtained by performing the main section scan and the oscillating scan in synchronization is transmitted from the transmission / reception means 8 to the three-dimensional image processing means 11.
- Sent. In the three-dimensional image processing means 11, the structure of the specific three-dimensional part in the living body is displayed on the image display means 12 whose display surface is a flat surface or a gentle curved surface with respect to the obtained ultrasonic echo data.
- Three-dimensional image processing such as display of the structure as viewed from an arbitrary direction is performed so that a display having a depth is provided.
- the three-dimensional image processing means 11 determines the scanning direction angle on the scanning plane of the main cross section with respect to the ultrasonic vibrator 2 constituting the ultrasonic vibrator body 1.
- the direction component of the scanning direction angle on the oscillating scanning plane is obtained from the count value from the encoder counter 7 based on the arrangement and the directions of the transmission and reception beams.
- the rotation axis of the oscillator 5 and the mounting accuracy of the single-piece encoder 4 Accuracy of the rotation transmission mechanism 3 to the ultrasonic transducer 1, mounting accuracy of the ultrasonic transducer 1 and the rotation transmission mechanism 3, accuracy of the Z pulse generation angle of the rotary encoder 4, and the rotation axis angle of the number of A pulses
- the actual swing scanning angle of the ultrasonic transducer body 1 for each count value obtained by counting the pulses of the mouth re-encoder 4 due to the accumulation of variations in linearity and the like varies for each ultrasonic diagnostic apparatus. I have.
- the encoder correction ROM 9 is used to store the actual oscillating scanning angle of the ultrasonic transducer body 1 or a numerical value corresponding to the oscillating scanning angle for each count value that may be obtained by the encoder counter 7. Things. Encoder correction ROM 9 retains the stored value even after the ultrasonic diagnostic apparatus is de-energized, and does not lose that value even after re-energization.
- the value stored in the encoder correction ROM 9 is read by the main control means 10, and after the value or an appropriate value is corrected, the value is sent to the three-dimensional image processing means 11 via the main control means 10. Or to the motor control means 6 or to both.
- the ultrasonic transducer body 1 or the ultrasonic transducer body 1 and its peripheral parts are integrally separated from the main part of the ultrasonic diagnostic apparatus and are portable. This is called an ultrasonic probe. That is, an ultrasonic probe is not always applied to the main part of the same ultrasonic diagnostic apparatus.
- the ultrasonic vibrator body 1 The ultrasonic probe 13 is configured by the tally encoder 4, the oscillator body oscillating module 5, and the encoder correction ROM 9, and is separable from the main part of the ultrasonic diagnostic apparatus. This includes almost all of the causes of the fluctuation of the oscillating scanning angle with respect to the count value of the single-ended encoder 4, and the encoder correction ROM 9 makes it possible to collectively correct the accumulated fluctuations. This is to enable correction even when applied to the main part of a different ultrasonic diagnostic apparatus.
- swing scanning is often performed in reciprocating scanning.
- This is a technique used as a device to make the construction of three-dimensional images closer to real time.
- the rotation transmitting mechanism 3 that connects the rotating shaft of the vibrator body swing motor 5 and the ultrasonic vibrator body 1.
- the rotation angle of the receiving gear with respect to the motor rotation shaft angle changes between forward rotation and reverse rotation of the gear wheel due to the presence of a gap in the meshing portion of the gear.
- similar phenomena occur due to their own elongation.
- the encoder correction ROM 9 can store different correction data for the forward path and the return path of the oscillating scan, the correction data for the forward path and the oscillating The above problem can be solved by using the correction data for the return trip for the return trip.
- an ultrasonic diagnostic apparatus capable of constructing a more accurate three-dimensional image by using the ultrasonic probe 13 incorporating the encoder RM 9 and the like, This will be described with reference to FIGS.
- the encoder correction ROM 9 of the ultrasonic diagnostic apparatus stores correction values 31 as shown in FIG. 3 in advance.
- a straight line 30 represents an ideal case where the oscillation scanning angle of the ultrasonic transducer body 1 with respect to the count value of the encoder counter 7 is ideal, and the rotation axis of the transducer body oscillation motor 5 is N per rotation.
- This figure shows a case where the encoder counter 7 is up-counting by using a rotary encoder 4 that generates a Z pulse when the number of A pulses and the rotation axis angle is 0 degree.
- the case where the rotation axis angle matches the angle of the ultrasonic vibrator body 1 is exemplified, but there is no problem even if the rotation speed transmission ratio of the rotation transmission mechanism 3 is not 1: 1. .
- the correction value 31 in FIG. 3 indicates the actual swing scanning angle of the ultrasonic transducer body with respect to the count value of the encoder count 7, and is ideal when the count value is j, for example. Although the proper angle is a, this shows that a 'is used for this ultrasonic probe. Similarly, the actual angle relative to the ideal angle b for the count value k is b '.
- the encoder correction ROM 9 storing such correction values 31 is The correction value 31 is read by the control means 10 and transmitted to the three-dimensional image processing means 11.
- the three-dimensional image processing means 11 constructs a three-dimensional image using the correction value 31
- the main cross-section scanning plane 40 can only be constructed at the angle a in the swing scanning direction in FIG.
- the fact that the actual angle is a ' is obtained from the main control means 10 in advance, so that the main cross-section scanning plane 41 can be constructed in a direction shifted by the difference a, 1a.
- the main section scanning plane 42 is constructed in the direction of 43.
- the three-dimensional image processing means 10 previously obtains the encoder correction value of the applied ultrasonic probe 13 and corrects the encoder count value for the obtained ultrasonic echo data while correcting the encoder count value.
- An image of the main scanning plane can be constructed at the actual swing scanning angle, and a more accurate three-dimensional image of the in-vivo tissue can be constructed.
- FIGS. 5 and 6 show an embodiment in which swing scanning is performed reciprocally.
- the encoder correction ROM 9 stores a forward correction value 51 as a direction in which the encoder count value increases and a return correction value 52 in a decreasing direction. Ideally, the same trajectory is drawn for both round trips, such as a straight line 50.
- the encoder correction values 51 and 52 shown in FIG. 5 are, for example, when the encoder value indicates k, the actual swing scanning angle of the ultrasonic transducer body is c ′ on the outward path and c ′′ on the return path. It indicates that there is.
- the count value from the encoder counter 7 is reduced as shown in the example of FIG. If k, and if there is no correction value, construct a main cross-section scanning plane 60 at the angle c in the swing scanning direction for both reciprocation. I can only do it. However, since the three-dimensional image processing means 11 obtains in advance from the main control means 10 that the actual angle is c 'on the outward path, the three-dimensional image processing means 11 An image of the main section scanning plane 63 is constructed, and on the return path, an image of the main section scanning plane 61 is constructed at an angle shifted by c-c ".
- the three-dimensional image processing means 11 previously obtains the encoder correction value for the reciprocating swing scanning of the ultrasonic probe 13 to which the applied ultrasonic probe 13 is applied. It is possible to construct an image of the main cross-section scanning plane at the actual oscillating scanning angle while correcting the encoder count value for the ultrasound echo data to a different value in the round trip, and a more accurate three-dimensional image of the in-vivo tissue is obtained. Can be built.
- Embodiment 4 of the present invention an ultrasonic diagnostic apparatus capable of constructing a more accurate three-dimensional image by the motor control means 6 using the encoder correction ROM 9 will be described.
- the three-dimensional image processing unit 11 corrects the construction angle of the three-dimensional image based on the encoder correction value.
- the correction value 31 in FIG. 3 is the actual swing scanning angle of the ultrasonic transducer body 1 with respect to the count value from the encoder counter 7. This correction value is transmitted in advance to the motor control means 6 by the main control means 10 (indicated by a dashed arrow in FIG. 1).
- the target swing scanning angle of the ultrasonic transducer body 1 is a
- the motor control means 6 does not have a correction value
- the oscillation is performed so that the count value from the encoder counter 7 becomes j.
- the motor control means 6 since the actual oscillating running angle at the count value j is a ', the ultrasonic transducer body 1 is located in a direction shifted by a' — a with respect to the target value. Will be.
- the motor control means 6 of the ultrasonic diagnostic apparatus since the motor control means 6 of the ultrasonic diagnostic apparatus according to the present embodiment has obtained the encoder correction value in advance, the transducer body swings so that the encoder count value becomes i ′ with respect to the target value a.
- the dynamic motor 5 may be controlled.
- the acquired ultrasonic echo data is already obtained as the target swing scanning angle. Since it is the main scanning plane, an image may be constructed in the direction of the specified angle. From the above, according to the ultrasonic diagnostic apparatus of the present embodiment, a three-dimensional image of a tissue in a living body can be constructed more accurately.
- the mounting accuracy of the rotary shaft and the rotary encoder varies, the accuracy of the rotation transmission mechanism, the ultrasonic transducer body and the rotation transmission vary. Excellent in that it can correct variations in the mounting accuracy of the mechanism and variations in the rotary encoder itself, and thus can construct a three-dimensional image at a more spatially correct position regardless of the ultrasonic probe used.
- An ultrasonic diagnostic apparatus can be provided. The above-described variation correction is performed for each ultrasonic probe, and the ultrasonic diagnostic apparatus main body can take out the correction data and correct the swing scanning angle of the ultrasonic transducer body. Even if the probe to be changed is changed, it is possible to provide an excellent ultrasonic diagnostic apparatus that displays a high-accuracy three-dimensional image without requiring the operator to perform a calibration procedure.
- the encoder correction ROM can store different swinging direction angles for the forward scan and the backward scan of the swing scan, the actual encoder count values for the different forward and backward scans due to rattling of the rotation transmission mechanism can be stored.
- An ultrasonic transducer that can correct the oscillating scanning angle of the ultrasonic transducer body, thereby reducing the problem of image shaking and distortion due to oscillating reciprocation, regardless of the ultrasonic probe used.
- An ultrasonic diagnostic apparatus can be provided.
- the correction data is stored in the encoder correction ROM in a nonvolatile manner in advance, it does not require time for acquiring data necessary for the correction. Further, unlike the conventional example, it is possible to flexibly correct the angular deviation in the swing reciprocation according to the swing scanning angle of the ultrasonic transducer body (that is, the output value of the encoder).
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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EP04721998A EP1621134A1 (en) | 2003-03-20 | 2004-03-19 | Ultrasonic probe and ultrasonographic device |
US10/550,118 US20060241424A1 (en) | 2003-03-20 | 2004-03-19 | Ultrasonic probe and ultrasonographic device |
JP2005503758A JPWO2004082482A1 (ja) | 2003-03-20 | 2004-03-19 | 超音波探触子および超音波診断装置 |
Applications Claiming Priority (2)
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JP2003-078833 | 2003-03-20 | ||
JP2003078833 | 2003-03-20 |
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WO2004082482A1 true WO2004082482A1 (ja) | 2004-09-30 |
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PCT/JP2004/003745 WO2004082482A1 (ja) | 2003-03-20 | 2004-03-19 | 超音波探触子および超音波診断装置 |
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US (1) | US20060241424A1 (ja) |
EP (1) | EP1621134A1 (ja) |
JP (1) | JPWO2004082482A1 (ja) |
CN (1) | CN1761428A (ja) |
WO (1) | WO2004082482A1 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006320431A (ja) * | 2005-05-17 | 2006-11-30 | Matsushita Electric Ind Co Ltd | 超音波診断装置 |
JP2006320477A (ja) * | 2005-05-18 | 2006-11-30 | Matsushita Electric Ind Co Ltd | 超音波探触子 |
JP2007006983A (ja) * | 2005-06-28 | 2007-01-18 | Toshiba Corp | 超音波診断装置 |
US7963167B2 (en) | 2006-03-30 | 2011-06-21 | Nihon Dempa Kogyo Co., Ltd. | Ultrasonic probe |
JP2017213357A (ja) * | 2016-05-26 | 2017-12-07 | 東芝メディカルシステムズ株式会社 | 超音波診断装置及び医用画像処理装置 |
KR102301418B1 (ko) * | 2021-01-07 | 2021-09-10 | 부경대학교 산학협력단 | 고속 스캔 광음향 영상 입력장치 및 그 제어방법 |
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Publication number | Priority date | Publication date | Assignee | Title |
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US7457654B2 (en) * | 2003-10-27 | 2008-11-25 | Siemens Medical Solutions Usa, Inc. | Artifact reduction for volume acquisition |
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JP5231822B2 (ja) * | 2008-01-23 | 2013-07-10 | 株式会社東芝 | 超音波診断装置、及び超音波診断装置の制御プログラム |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01227743A (ja) | 1988-03-07 | 1989-09-11 | Fuji Electric Co Ltd | 超音波画像の補正方式 |
JPH0257242A (ja) | 1988-08-23 | 1990-02-27 | Matsushita Electric Ind Co Ltd | メカニカルセクタ型超音波診断装置 |
JPH02124553U (ja) * | 1989-03-27 | 1990-10-15 | ||
JPH03184532A (ja) | 1989-12-14 | 1991-08-12 | Aloka Co Ltd | 三次元データ取り込み用超音波探触子 |
JPH0531109A (ja) * | 1990-11-07 | 1993-02-09 | Toshiba Corp | 超音波イメージング装置 |
JP2002153473A (ja) * | 2000-11-21 | 2002-05-28 | Matsushita Electric Ind Co Ltd | 超音波診断装置 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2063474B (en) * | 1979-10-24 | 1984-06-06 | Olympus Optical Co | Coeliac cavity ultrasonic diagnosis apparatus |
US4429262A (en) * | 1980-09-12 | 1984-01-31 | Technicare Corporation | Three phase motor oscillatory servo control |
US4544868A (en) * | 1984-07-20 | 1985-10-01 | General Motors Corporation | Brushless DC motor controller |
JPH0710256B2 (ja) * | 1985-11-07 | 1995-02-08 | 株式会社東芝 | 超音波走査パルス発生装置 |
US4868476A (en) * | 1987-10-30 | 1989-09-19 | Hewlett-Packard Company | Transducer with integral memory |
US4932414A (en) * | 1987-11-02 | 1990-06-12 | Cornell Research Foundation, Inc. | System of therapeutic ultrasound and real-time ultrasonic scanning |
US5159931A (en) * | 1988-11-25 | 1992-11-03 | Riccardo Pini | Apparatus for obtaining a three-dimensional reconstruction of anatomic structures through the acquisition of echographic images |
WO1990007229A1 (de) * | 1988-12-15 | 1990-06-28 | Papst-Motoren Gmbh & Co. Kg | Verfahren und anordnung zur ansteuerung elektromechanischer wandler |
KR900015432A (ko) * | 1989-02-06 | 1990-10-27 | 미다 가쓰시게 | 이동체의 속도 제어 장치 |
DE69027284T2 (de) * | 1989-12-14 | 1996-12-05 | Aloka Co Ltd | Dreidimensionaler Ultraschallabtaster |
US5251631A (en) * | 1990-11-07 | 1993-10-12 | Kabushiki Kaisha Toshiba | Ultrasonic imaging apparatus |
JP3460351B2 (ja) * | 1994-02-08 | 2003-10-27 | セイコーエプソン株式会社 | 位置検出装置及び位置検出方法 |
US5699806A (en) * | 1996-10-01 | 1997-12-23 | Hewlett-Packard Company | Ultrasound system with nonuniform rotation corrector |
US6686585B2 (en) * | 2001-09-19 | 2004-02-03 | Microe Systems Corporation | Position encoder with scale calibration |
-
2004
- 2004-03-19 US US10/550,118 patent/US20060241424A1/en not_active Abandoned
- 2004-03-19 EP EP04721998A patent/EP1621134A1/en not_active Withdrawn
- 2004-03-19 WO PCT/JP2004/003745 patent/WO2004082482A1/ja not_active Application Discontinuation
- 2004-03-19 JP JP2005503758A patent/JPWO2004082482A1/ja active Pending
- 2004-03-19 CN CNA2004800075784A patent/CN1761428A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01227743A (ja) | 1988-03-07 | 1989-09-11 | Fuji Electric Co Ltd | 超音波画像の補正方式 |
JPH0257242A (ja) | 1988-08-23 | 1990-02-27 | Matsushita Electric Ind Co Ltd | メカニカルセクタ型超音波診断装置 |
JPH02124553U (ja) * | 1989-03-27 | 1990-10-15 | ||
JPH03184532A (ja) | 1989-12-14 | 1991-08-12 | Aloka Co Ltd | 三次元データ取り込み用超音波探触子 |
JPH0531109A (ja) * | 1990-11-07 | 1993-02-09 | Toshiba Corp | 超音波イメージング装置 |
JP2002153473A (ja) * | 2000-11-21 | 2002-05-28 | Matsushita Electric Ind Co Ltd | 超音波診断装置 |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006320431A (ja) * | 2005-05-17 | 2006-11-30 | Matsushita Electric Ind Co Ltd | 超音波診断装置 |
JP4596974B2 (ja) * | 2005-05-17 | 2010-12-15 | パナソニック株式会社 | 超音波診断装置 |
JP2006320477A (ja) * | 2005-05-18 | 2006-11-30 | Matsushita Electric Ind Co Ltd | 超音波探触子 |
JP4740647B2 (ja) * | 2005-05-18 | 2011-08-03 | パナソニック株式会社 | 超音波探触子 |
JP2007006983A (ja) * | 2005-06-28 | 2007-01-18 | Toshiba Corp | 超音波診断装置 |
US7963167B2 (en) | 2006-03-30 | 2011-06-21 | Nihon Dempa Kogyo Co., Ltd. | Ultrasonic probe |
JP2017213357A (ja) * | 2016-05-26 | 2017-12-07 | 東芝メディカルシステムズ株式会社 | 超音波診断装置及び医用画像処理装置 |
KR102301418B1 (ko) * | 2021-01-07 | 2021-09-10 | 부경대학교 산학협력단 | 고속 스캔 광음향 영상 입력장치 및 그 제어방법 |
WO2022149119A1 (ko) * | 2021-01-07 | 2022-07-14 | 부경대학교 산학협력단 | 고속 스캔 광음향 영상 입력장치 및 그 제어방법 |
Also Published As
Publication number | Publication date |
---|---|
EP1621134A1 (en) | 2006-02-01 |
JPWO2004082482A1 (ja) | 2006-06-15 |
US20060241424A1 (en) | 2006-10-26 |
CN1761428A (zh) | 2006-04-19 |
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