WO2014208802A1 - 다수의 어레이가 병렬구조로 연결된 초음파 프로브 및 이를 구비한 초음파 영상 진단장치 - Google Patents
다수의 어레이가 병렬구조로 연결된 초음파 프로브 및 이를 구비한 초음파 영상 진단장치 Download PDFInfo
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- WO2014208802A1 WO2014208802A1 PCT/KR2013/005781 KR2013005781W WO2014208802A1 WO 2014208802 A1 WO2014208802 A1 WO 2014208802A1 KR 2013005781 W KR2013005781 W KR 2013005781W WO 2014208802 A1 WO2014208802 A1 WO 2014208802A1
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- array
- width
- focal length
- ultrasonic probe
- ultrasonic
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- 239000000523 sample Substances 0.000 title claims abstract description 65
- 238000003491 array Methods 0.000 title claims abstract description 33
- 238000002604 ultrasonography Methods 0.000 claims description 47
- 238000000034 method Methods 0.000 claims description 13
- 238000012285 ultrasound imaging Methods 0.000 claims description 11
- 230000003213 activating effect Effects 0.000 claims description 10
- 238000003384 imaging method Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 16
- 230000005540 biological transmission Effects 0.000 description 9
- 230000004044 response Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000002595 magnetic resonance imaging Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
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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
- A61B8/44—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
- A61B8/4494—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer characterised by the arrangement of the transducer elements
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/46—Ultrasonic, sonic or infrasonic diagnostic devices with special arrangements for interfacing with the operator or the patient
- A61B8/461—Displaying means of special interest
-
- 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
-
- 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
- A61B8/4477—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device using several separate ultrasound transducers or probes
-
- 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
- A61B8/52—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/5207—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving processing of raw data to produce diagnostic data, e.g. for generating an image
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/54—Control of the diagnostic device
-
- 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
- B06B2201/00—Indexing scheme associated with B06B1/0207 for details covered by B06B1/0207 but not provided for in any of its subgroups
- B06B2201/70—Specific application
- B06B2201/76—Medical, dental
Definitions
- the present invention relates to an imaging technique, and more particularly to an ultrasound imaging technique.
- the imaging device is a flower of a medical diagnostic device in that it can be seen without cutting the inside of the human body.
- An X-ray diagnostic apparatus, a magnetic resonance imaging (MRI) diagnostic apparatus, an ultrasonic diagnostic apparatus, and the like are used as the imaging apparatus, and each has advantages and disadvantages thereof.
- the ultrasound imaging apparatus is capable of real-time diagnosis and has a low price.
- Ultrasonic imaging devices have become an essential diagnostic device in almost all medical fields such as internal medicine, obstetrics, pediatrics, urology, ophthalmology, radiology, and the demand is increasing rapidly.
- the ultrasound imaging apparatus includes an ultrasound probe operative to transmit an ultrasound signal to an object and receive an ultrasound echo signal reflected from the object.
- the ultrasound probe may have a different resolution of an image acquired according to operating frequency characteristics.
- the focusing characteristic of the ultrasound beam is good in a region close to the probe, that is, in a shallow region of the object, thereby obtaining an image having high resolution.
- the penetration of the ultrasonic beam is relatively difficult in a region far from the probe, that is, a deep region of the object, so that the transmission focusing characteristic is degraded and the resolution is lowered.
- the transmitting ultrasound beam has a low frequency characteristic
- the resolution near the probe i.e., the shallow region of the object
- the transmission ultrasound beam has a low frequency characteristic.
- penetration of the ultrasonic beam is relatively easy, so that an image having an improved resolution can be obtained. Therefore, there is a need for an ultrasonic probe capable of obtaining an image having the best quality suitable for various characteristics of an object.
- an ultrasound probe having a plurality of arrays connected in parallel and an ultrasound imaging apparatus having the same, which may acquire an optimal image regardless of a characteristic of an object, is provided.
- the ultrasonic probe according to an embodiment may be connected in parallel with the first array in an elevation direction of the first array, and have a different focal length from the first array as the ultrasound probe has a width different from that of the first array in the upward direction.
- the first array is a near-field sound field array having a width h 1 and a focal length L 1
- the second array is a far-field sound field array having a width h 2 and a focal length L 2 , with a width h 1 ⁇ h 2 , and a focal length L 1.
- ⁇ L 2 may be.
- the first array may be operated at a high frequency
- the second array may be operated at a low frequency.
- the switch may activate the first array when the array driving signal is applied to the first connection point and activate the second array when the array driving signal is applied to the second connection point.
- Each array may be a surface in which the surface located in the axial direction along which the beam travels is concave.
- the ultrasound probe may further include an acoustic lens for focusing the ultrasonic signal generated from the array activated through the switch into the object, and the acoustic lens may be planar.
- the ultrasonic probe may include a first array, a second array connected in parallel in an upper direction of the first array, and having a width different from that of the first array in an upward direction, the second array having a focal length different from that of the first array; And a multiplexer for activating the first array and the second array simultaneously to control focusing for each array.
- the first array is a near-field sound field array having a width h 1 and a focal length L 1
- the second array is a far-field sound field array having a width h 2 and a focal length L 2 , with a width h 1 ⁇ h 2 , and a focal length.
- L 1 ⁇ L 2 may be.
- the first array may be operated at a high frequency
- the second array may be operated at a low frequency.
- Each array may be a surface in which the surface located in the axial direction along which the beam travels is concave.
- the ultrasound probe may further include an acoustic lens for focusing the ultrasound signal generated from the array activated through the multiplexer into the object, and the acoustic lens may be planar.
- the ultrasound probe may further include an acoustic lens that focuses an ultrasound signal generated from the array activated through the multiplexer into the object, and the acoustic lens may be planar.
- an ultrasound imaging apparatus includes an ultrasound array including a plurality of arrays having different widths in an upward direction and having different focal lengths, and a switch for selecting and activating any one of the arrays.
- a transceiver for transmitting and receiving an ultrasound signal to and from an object by means of a probe, an array selected and activated by an ultrasound probe, and an image for generating a displayable image from the received reflected ultrasound signal when receiving a reflected ultrasound signal from the object through the transceiver
- a display unit for displaying an image generated by the image processor.
- the ultrasonic probe includes a near field array having a width h 1 and a focal length L 1 , and a far field array having a width h 2 and a focal length L 2, and having a width h 1 ⁇ h 2 and a focal length L 1 ⁇ May be L 2 .
- an ultrasound imaging apparatus includes a plurality of arrays having different focal lengths having different widths in an upward direction, and a multiplexer for activating a plurality of arrays simultaneously to focus on each array.
- An ultrasound probe a transceiver for transmitting and receiving an ultrasound signal to an object by an array activated by the ultrasound probe, and an image processor for generating a displayable image from the received ultrasound signal when receiving an ultrasound signal from the object through the transceiver.
- a display unit which displays an image generated by the image processor.
- the ultrasonic probe includes a near field array having a width h 1 and a focal length L 1 , and a far field array having a width h 2 and a focal length L 2, and having a width h 1 ⁇ h 2 and a focal length L 1 ⁇ May be L 2 .
- an image having an optimal image quality may be obtained by selecting an optimal array adaptively to an environment where a depth of a target tissue of a patient changes. For example, if the patient is fat and has a deep depth to penetrate the ultrasound, or if the patient is slim and has a small depth to penetrate the ultrasound, the appropriate array for each environment is selected. An image having an optimal image quality can be obtained.
- FIG. 1 is a reference diagram defining a spatial axis of an ultrasonic probe according to an embodiment of the present invention
- FIG. 4 is a reference diagram illustrating focal lengths of arrays having different widths according to one embodiment of the present invention.
- FIG. 5 is a block diagram of an ultrasonic probe having a switch according to an embodiment of the present invention.
- FIG. 6 is a reference diagram for explaining a principle of operation of the switch of FIG. 5 according to an exemplary embodiment
- FIG. 7 is a configuration diagram of an ultrasonic probe having a multiplexer according to an embodiment of the present invention.
- FIG. 8 is a reference diagram illustrating an image acquired when using the multiplexer of FIG. 7 according to an embodiment of the present invention
- FIG. 9 is a block diagram of an ultrasound imaging apparatus according to an embodiment of the present invention.
- FIG. 1 is a reference diagram defining a spatial axis of an ultrasonic probe 10 according to an embodiment of the present invention.
- an azimuthal direction of an array of ultrasonic probes 10 for example, a linear array
- an axial direction of a beam travel.
- the direction orthogonal to these two directions is defined as an elevation direction.
- the x-axis is defined as the lateral direction
- the z-axis as the axial direction
- the y-axis is defined as the Cartesian coordinate system.
- a description will be given of a linear array among the arrays, but the shape of the array is not limited thereto.
- an array of arrays is arranged only in the lateral direction, so that the movement of the scan line through focusing, adjustment, or grouping of the array may be performed electronically in the lateral direction. have.
- electronic focusing, scan line movement, and the like are not possible in the upward direction.
- the acoustic lens is attached to the front end of the probe to have a fixed focus.
- the beam field is determined by the fixed focus of the array probe, and the transmission field and the resolution may be changed by varying the operating frequency according to the bandwidth of the probe. Nevertheless, due to the characteristics of fixed focus, the difference is large depending on the situation of the patient, which is a subject, and sometimes, two or more probes must be provided and used. In this case, if a lower frequency is selected to improve the transmittance, the resolution may be lowered. If a higher frequency is selected to improve the resolution, the transmittance may be lowered.
- the present invention proposes a probe structure capable of obtaining an optimal image for each patient's situation even using a single probe, rather than using multiple probes. For example, if the patient is fat and deep to penetrate the ultrasound, and if the patient is slim and thin to penetrate the ultrasound, the optimal array is adaptively selected for the environment where the patient's depth changes. It is possible to obtain an image having an image quality of. As another example, the optimal array is adaptively selected for an environment in which the depth of the patient changes, such as when the patient is transmitting in the lateral direction of the patient according to the ultrasound transmission direction toward the patient and when transmitting in the front and rear direction of the patient. To obtain an image having an optimal image quality.
- FIGS. 2 and 3 are structural diagrams of the ultrasonic probe 10 according to an embodiment of the present invention.
- the ultrasonic probe 10 is connected to a plurality of arrays 100 in parallel in an elevation direction.
- the arrays 100 have different array widths in the upward direction.
- the arrays 100 may include the third array 130, the second array 120, and the first array 110 in the order of the width in the thick array. Are connected in parallel.
- the above-described example is only an embodiment for better understanding of the present invention, and the arrangement order or the total number of arrays is not limited thereto and may be variously modified as long as they have different widths in the upward direction.
- the first array 110, the second array 120, and the third array 130 are composed of elements, each of which includes a piezoelectric element, a backing layer, and a matching layer, respectively. According to one embodiment of the present invention, portions having different thicknesses of the array width in the upward direction correspond to piezoelectric elements.
- the piezoelectric element performs a function of mutually converting an electrical signal and an ultrasonic signal. When the piezoelectric element is excited in response to a transmission signal as an electrical signal, the sound absorbing layer immediately absorbs the ultrasonic signal output from the piezoelectric element and the piezoelectric element and propagated in the opposite direction of the ultrasonic transmission direction.
- the matching layer serves to cover the piezoelectric element in order to reduce the acoustic impedance difference between the piezoelectric element and the object.
- the surface located in the axial direction along which the beam travels may be a concave surface.
- the acoustic lens 140 focuses the ultrasonic signals generated from the first array 110, the second array 120, and the third array 130 into the object, respectively.
- the acoustic lens 140 according to an embodiment may be planar.
- FIG. 4 is a reference diagram illustrating a focal length of arrays having different widths according to one embodiment of the present invention.
- the focal lengths are different from each other as the arrays have different widths in the upward direction.
- the first array 110 is a near-field sound field array, and the width h 1 is thin so that the focal length L 1 is short.
- the third array 130 is a far-field array, the focal length L 3 is long in the width h 3 thick.
- each array has a different width in the upward direction, the operating frequency is different from each other. If the thickness of the piezoelectric element is thick, the characteristics of the low frequency is more noticeable than the characteristics of the high frequency. For example, as the width h 1 of the first array 110, which is the near field array, the operating frequency f 1 is high frequency. In contrast, the third array 130, which is the far-field array, has a wide width h 3 , and thus the operating frequency f 3 is low frequency.
- a plurality of piezoelectric elements having different widths have transmission and reception characteristics of a plurality of frequency ranges.
- FIG 5 is a configuration diagram of an ultrasonic probe 10a having a switch 150 according to an embodiment of the present invention.
- the ultrasonic probe 10a includes arrays 100 and a switch 150.
- the arrays 100 have different widths as they have different widths in the upward direction.
- the switch 150 selects and activates one of the arrays. The operation principle of the switch 150 will be described later in detail with reference to FIG. 6.
- FIG. 6 is a reference diagram for explaining an operation principle of the switch 150 of FIG. 5 according to an exemplary embodiment.
- the switch 150 selects and activates any one of the arrays. For example, the switch 150 activates the first array 110 when the driving signal is applied to the first connection point 160, and activates the second array 120 when the driving signal is applied to the second connection point 170. When the driving signal is applied to the third connection point 180, the third array 130 is activated.
- the switch 150 selects and activates the third array 130, which is the far-field array.
- the switch 150 selects and activates the first array 110 which is the near field array.
- the selection and activation of the array may be performed by receiving environment information of the object, analyzing the received information, and selecting an array to be activated, or may be directly selected by an inspector.
- an image having an optimal image quality may be obtained by selecting an optimal array adaptively to an environment in which a depth of a target tissue of a patient changes.
- FIG. 7 is a configuration diagram of an ultrasonic probe 10b having a multiplexer 190 according to an embodiment of the present invention.
- the ultrasound probe 10b includes arrays 100 and a multiplexer 190.
- the arrays 100 have different widths as they have different widths in the upward direction.
- the multiplexer 190 activates all the arrays to control the arrays 100 to focus on each array. For example, as shown in FIG. 7, the first array 110, the second array 120, and the third array 130 are simultaneously activated to control focusing for each array 110, 120, and 130.
- FIG. 8 is a reference diagram illustrating an image obtained when using the multiplexer 190 of FIG. 7 according to an exemplary embodiment.
- an image is acquired for each array. For example, as shown in FIG. 8, when using three arrays, a first image, a second image, and a third image may be obtained. In this case, the examiner may select an optimal image among the images in consideration of the patient's situation.
- FIG. 9 is a block diagram of the ultrasound imaging apparatus 1 according to an embodiment of the present invention.
- the ultrasound imaging apparatus 1 includes an ultrasound probe 10, a transmitter 11, a beam forming unit 12, a signal processor 13, a scan converter 14, and an image processor 15. And a display unit 16.
- the ultrasound imaging apparatus 1 further includes a storage unit (not shown) such as a memory.
- the ultrasonic probe 10 includes at least one transducer element operable to mutually convert an electrical signal and an ultrasonic signal.
- the converter includes a piezoelectric element for generating an ultrasonic signal in response to the electrical signal and for generating an electrical signal in response to the ultrasonic echo signal. Transmitted ultrasound beams output from each converter in response to an electrical signal exhibit high or low frequency characteristics depending on the characteristics of the piezoelectric element.
- the ultrasonic probe 10 is configured of a plurality of arrays having different focal lengths from each other as they have different widths in an upward direction, and includes a switch for selecting and activating any one of the plurality of arrays.
- the ultrasonic probe 10 includes a plurality of arrays having different focal lengths from each other as they have different widths in an upward direction, and includes a multiplexer for activating a plurality of arrays simultaneously to focus on each array.
- the ultrasonic probe 10 transmits an ultrasonic signal to the object through the transmitter 11 in response to a transmission signal, which is an electrical signal output from a transmission signal generator (not shown), and receives an echo signal reflected from the object.
- the ultrasonic probe 10 outputs a reception signal that is an electrical signal in response to the received echo signal.
- the beam forming unit 12 receives and focuses a received signal output from the ultrasonic probe 10 to form a receiving focus beam, and the signal processing unit 13 detects an envelope for the receiving focused beam output from the beam forming unit 12. Processing or the like to form ultrasonic image data.
- the scan converter 14 converts the ultrasound image data output from the signal processor 13 into a data format capable of displaying the image, and the image processor 15 processes and displays the image data output from the scan converter 14.
- the display unit 16 displays the image received from the image processor 15.
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Abstract
Description
Claims (15)
- 제1 어레이;상기 제1 어레이의 상 방향(elevation direction)으로 병렬 연결되고, 상 방향으로 상기 제1 어레이와 상이한 폭을 가짐에 따라 상기 제1 어레이와 초점 거리가 상이한 제2 어레이; 및상기 제1 어레이와 상기 제2 어레이 중 어느 하나를 선택하여 활성화하는 스위치;를 포함하는 것을 특징으로 하는 초음파 프로브.
- 제 1 항에 있어서,상기 제1 어레이는 폭 h1 및 초점 거리 L1을 갖는 근거리 음장 어레이이고, 상기 제2 어레이는 폭 h2 및 초점 거리 L2를 갖는 원거리 음장 어레이이며, 폭 h1 < h2이고, 초점 거리 L1 < L2인 것을 특징으로 하는 초음파 프로브.
- 제 2 항에 있어서, 상기 스위치는,상기 제1 어레이는 고주파에서 동작시키고, 상기 제2 어레이는 저주파에서 동작시키는 것을 특징으로 하는 초음파 프로브.
- 제 1 항에 있어서, 상기 스위치는,어레이 구동신호가 제1 접속점에 인가되면 상기 제1 어레이를 활성화하고, 어레이 구동신호가 제2 접속점에 인가되면 상기 제2 어레이를 활성화하는 것을 특징으로 하는 초음파 프로브.
- 제 1 항에 있어서, 각 어레이는,빔이 진행하는 축 방향에 위치하는 표면이 오목한 면인 것을 특징으로 하는 초음파 프로브.
- 제 5 항에 있어서, 상기 초음파 프로브는스위치를 통해 활성화된 어레이로부터 생성된 초음파 신호를 대상체 내로 포커싱하는 음향 렌즈; 를 더 포함하며,상기 음향 렌즈는 평면형인 것을 특징으로 하는 초음파 프로브.
- 제1 어레이;상기 제1 어레이의 상 방향으로 병렬 연결되고, 상 방향으로 상기 제1 어레이와 상이한 폭을 가짐에 따라 상기 제1 어레이와 초점 거리가 상이한 제2 어레이; 및상기 제1 어레이와 상기 제2 어레이를 동시에 활성화하여 각 어레이 별로 포커싱하도록 제어하는 멀티플렉서;를 포함하는 것을 특징으로 하는 초음파 프로브.
- 제 7 항에 있어서,상기 제1 어레이는 폭 h1 및 초점 거리 L1을 갖는 근거리 음장 어레이이고, 상기 제2 어레이는 폭 h2 및 초점 거리 L2를 갖는 원거리 음장 어레이이며, 폭 h1 < h2이고, 초점 거리 L1 < L2인 것을 특징으로 하는 초음파 프로브.
- 제 8 항에 있어서, 상기 멀티플렉서는,상기 제1 어레이는 고주파에서 동작시키고, 상기 제2 어레이는 저주파에서 동작시키는 것을 특징으로 하는 초음파 프로브.
- 제 7 항에 있어서, 각 어레이는,빔이 진행하는 축 방향에 위치하는 표면이 오목한 면인 것을 특징으로 하는 초음파 프로브.
- 제 10 항에 있어서, 상기 초음파 프로브는멀티플렉서를 통해 활성화된 어레이로부터 생성된 초음파 신호를 대상체 내로 포커싱하는 음향 렌즈; 를 더 포함하며,상기 음향 렌즈는 평면형인 것을 특징으로 하는 초음파 프로브.
- 상 방향으로 서로 상이한 폭을 가짐에 따라 초점 거리가 서로 상이한 다수의 어레이로 구성되며, 상기 다수의 어레이 중 어느 하나를 선택하여 활성화하는 스위치를 포함하는 초음파 프로브;상기 초음파 프로브에서 선택되어 활성화된 어레이에 의하여 대상체를 대상으로 초음파 신호를 송수신하는 송수신부; 및상기 송수신부를 통해 상기 대상체로부터 반사 초음파 신호를 수신하면 수신된 반사 초음파 신호로부터 디스플레이 가능한 영상을 생성하는 영상 처리부; 및상기 영상 처리부에서 생성된 영상을 디스플레이하는 디스플레이부;를 포함하는 것을 특징으로 하는 초음파 영상 진단장치.
- 제 12 항에 있어서, 상기 초음파 프로브는폭 h1 및 초점 거리 L1을 갖는 근거리 음장 어레이와, 폭 h2 및 초점 거리 L2를 갖는 원거리 음장 어레이를 포함하며, 폭 h1 < h2이고, 초점 거리 L1 < L2인 것을 특징으로 하는 초음파 영상 진단장치.
- 상 방향으로 서로 상이한 폭을 가짐에 따라 초점 거리가 서로 상이한 다수의 어레이로 구성되며, 상기 다수의 어레이를 동시에 활성화하여 각 어레이 별로 포커싱하는 멀티플렉서를 포함하는 초음파 프로브;상기 초음파 프로브에서 활성화된 어레이에 의하여 대상체를 대상으로 초음파 신호를 송수신하는 송수신부; 및상기 송수신부를 통해 상기 대상체로부터 반사 초음파 신호를 수신하면 수신된 반사 초음파 신호로부터 디스플레이 가능한 영상을 생성하는 영상 처리부; 및상기 영상 처리부에서 생성된 영상을 디스플레이하는 디스플레이부;를 포함하는 것을 특징으로 하는 초음파 영상 진단장치.
- 제 14 항에 있어서, 상기 초음파 프로브는폭 h1 및 초점 거리 L1을 갖는 근거리 음장 어레이와, 폭 h2 및 초점 거리 L2를 갖는 원거리 음장 어레이를 포함하며, 폭 h1 < h2이고, 초점 거리 L1 < L2인 것을 특징으로 하는 초음파 영상 진단장치.
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US14/901,602 US20160143619A1 (en) | 2013-06-28 | 2013-06-28 | Ultrasonic probe having a plurality of arrays connected in parallel structure and ultrasonic image diagnosing apparatus including same |
PCT/KR2013/005781 WO2014208802A1 (ko) | 2013-06-28 | 2013-06-28 | 다수의 어레이가 병렬구조로 연결된 초음파 프로브 및 이를 구비한 초음파 영상 진단장치 |
KR1020157031426A KR20160007516A (ko) | 2013-06-28 | 2013-06-28 | 다수의 어레이가 병렬구조로 연결된 초음파 프로브 및 이를 구비한 초음파 영상 진단장치 |
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- 2013-06-28 KR KR1020157031426A patent/KR20160007516A/ko active Search and Examination
- 2013-06-28 WO PCT/KR2013/005781 patent/WO2014208802A1/ko active Application Filing
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JP2006288977A (ja) * | 2005-04-14 | 2006-10-26 | Toshiba Corp | 超音波プローブ及びその製造方法 |
JP2009243890A (ja) * | 2008-03-28 | 2009-10-22 | Ihi Corp | 超音波検査装置及び超音波検査方法 |
JP2012196302A (ja) * | 2011-03-22 | 2012-10-18 | Ge Medical Systems Global Technology Co Llc | 超音波の送信部、超音波プローブ、超音波画像表示装置及びその制御プログラム |
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