WO2019151673A1 - Sonde ultrasonore - Google Patents

Sonde ultrasonore Download PDF

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Publication number
WO2019151673A1
WO2019151673A1 PCT/KR2019/000408 KR2019000408W WO2019151673A1 WO 2019151673 A1 WO2019151673 A1 WO 2019151673A1 KR 2019000408 W KR2019000408 W KR 2019000408W WO 2019151673 A1 WO2019151673 A1 WO 2019151673A1
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WO
WIPO (PCT)
Prior art keywords
case
deformation
ultrasonic
ultrasonic waves
transducer module
Prior art date
Application number
PCT/KR2019/000408
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English (en)
Korean (ko)
Inventor
이준열
Original Assignee
삼성메디슨 주식회사
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 삼성메디슨 주식회사 filed Critical 삼성메디슨 주식회사
Publication of WO2019151673A1 publication Critical patent/WO2019151673A1/fr

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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
    • A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
    • A61B8/4455—Features of the external shape of the probe, e.g. ergonomic aspects
    • 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
    • A61B8/4483—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer

Definitions

  • the present invention relates to an ultrasonic probe, and more particularly, to an ultrasonic probe having an improved case of an ultrasonic probe.
  • an ultrasound imaging apparatus irradiates an ultrasound signal from a body surface of an object toward a target site in the body, and uses an image of a reflected ultrasound signal (ultrasound echo signal) to image an image of a soft tissue tomography or blood flow. It is a device obtained without invasion.
  • Ultrasonic imaging devices are compact, inexpensive, and real-time displayable when compared to other imaging devices such as X-ray diagnostics, X-ray CT scanners, magnetic resonance images, and nuclear medical diagnostics. It is widely used for the diagnosis of heart, abdomen, urinary and obstetrics and gynecology because there is no high exposure to radiation, radiation and the like.
  • the ultrasonic imaging apparatus irradiates an ultrasonic signal and controls the ultrasonic probe receiving the reflected ultrasonic signal (ultrasound echo signal) and the ultrasonic signal irradiated through the ultrasonic probe or generate a necessary image using the received ultrasonic signal. It includes.
  • the examiner grasps the ultrasound probe and proceeds to the examination of the subject. At this time, the examination was carried out using an ultrasonic probe having the same case despite the different body structure and the method of holding the ultrasonic probe for each examiner.
  • One aspect of the present invention relates to an ultrasonic probe having an improved case of an ultrasonic probe.
  • the ultrasonic probe according to an embodiment of the present invention, a transducer module for irradiating ultrasonic waves to an object, receiving echo ultrasonic waves reflected from the object, and converting electrical signals and ultrasonic waves, the case housing the transducer module. At least a portion of the appearance, the at least a portion including a deformation portion capable of shape deformation from the first state to the second state.
  • the case and the deformable portion may be integrally formed.
  • the deformable portion may be mounted to surround at least a portion of the case.
  • the deformation part may be configured of at least one of a shape memory alloy, a shape memory polymer, and smart particles.
  • the shape deformation of the deformation part may be caused by the addition of temperature, humidity, heat, and chemicals.
  • the case may include a first portion at which a contact portion, which is a portion of the transducer module contacting the object, is positioned, and a second portion at which a cable is connected.
  • the deformation part may be formed in the case except for the side surface of the first part of the case.
  • the transducer module may include a piezoelectric body for generating ultrasonic waves, a sound absorbing layer provided on a rear surface of the piezoelectric material to prevent ultrasonic waves from being transferred to the rear of the piezoelectric body, and provided on a front surface of the piezoelectric body, and the acoustic impedance of the piezoelectric body and the object.
  • a sound matching layer for matching the acoustic impedance of the sound so that the ultrasonic signal generated from the piezoelectric body to be efficiently transmitted to the test object, provided on the front of the acoustic matching layer and to focus the ultrasonic signal generated from the piezoelectric material to be irradiated to the object It may include an acoustic lens.
  • an ultrasound probe includes a case including a first portion at which a contact portion contacting an object is located, a second portion at which a cable is connected, and an ultrasonic wave configured to be exposed through a contact portion of the case. And a transducer module for irradiating the object and receiving echo ultrasound reflected from the object, and converting an electrical signal and the ultrasonic wave to each other, and a deformation part formed on the second part of the case and plastically deformed.
  • the deformation part may be integrally formed with the case.
  • the deformable portion may be configured to be mounted to the case.
  • the modified part may be one of nitinol, polynorbornene, and a temperature sensitive surfactant.
  • Plastic deformation of the deformation part may occur due to the addition of temperature, humidity, heat, and chemicals.
  • the appearance of the ultrasonic probe may be changed according to the inspector, thereby reducing the fatigue of the inspector and preventing a problem that may occur during the inspection.
  • FIG. 1 is a diagram illustrating an ultrasound imaging apparatus according to an exemplary embodiment of the present invention.
  • FIG. 2 is a view showing an ultrasonic probe according to an embodiment of the present invention.
  • FIG 3 is a cross-sectional view of a portion of an ultrasonic probe according to an embodiment of the present invention.
  • FIG. 4 is a view showing a deformation of the shape of the ultrasonic probe according to an embodiment of the present invention.
  • FIG. 5 is a view showing a deformation of the shape of the ultrasonic probe according to an embodiment of the present invention.
  • FIG. 6 is a view showing an ultrasonic probe according to another embodiment of the present invention.
  • first may be referred to as the second component
  • second component may also be referred to as the first component.
  • the term “and / or” includes any combination of a plurality of related items or any of a plurality of related items.
  • FIG. 1 is a diagram illustrating an ultrasound imaging apparatus according to an exemplary embodiment of the present invention.
  • the ultrasound imaging apparatus 1 may include an ultrasound probe 100 that transmits an ultrasound signal to a subject to be diagnosed and receives a signal reflected from the object.
  • the ultrasonic probe 100 may be connected to the main body 10 by a cable 120.
  • the ultrasonic probe 100 may be mounted on the main body 10 by the holder 22. When the inspector does not use the ultrasound imaging apparatus 1, the inspector may mount the ultrasound probe 100 on the holder 22 to store the ultrasound probe 100.
  • the holder 22 mounting the ultrasonic probe 100 is illustrated in the control panel 20, the holder 22 may be provided in the main body 10 according to the user's convenience. In addition, both the main body 10 and the control panel 20 may be provided.
  • the main body 10 may be provided with a moving device 40 to move the ultrasonic imaging device 1.
  • the moving device 40 may be a plurality of casters provided on the bottom surface of the main body 10.
  • the caster may be aligned to move the main body 10 in a specific direction, may be provided to be freely movable to be movable in any direction, or may be locked to stop at a specific position.
  • the ultrasonic probe 100 includes an ultrasonic transceiver device provided in the case 110.
  • the ultrasonic transceiving device may be formed of a transducer module 140 that irradiates ultrasonic waves to an object, receives echo ultrasonic waves reflected from the object, and converts electrical signals and ultrasonic waves to each other.
  • the ultrasonic probe 100 is physically coupled to the female connector 14 of the main body 10 to transmit and receive signals to and from the main body 10.
  • the male connector 130 and the male connector 130 and the transducer may be used. It includes a cable 120 for connecting the module 140.
  • the object may be a living body of a human or animal, or an in vivo tissue such as blood vessels, bones, muscles, etc., but is not limited thereto, and may be an object if its internal structure can be imaged by the ultrasound imaging apparatus 1. have.
  • the echo ultrasound is ultrasound reflected from an object to which ultrasound is irradiated and has various frequency bands or energy intensities for generating various ultrasound images according to a diagnosis mode.
  • the transducer module 140 may generate ultrasonic waves according to the applied AC power. Specifically, the transducer module 140 may receive AC power from an external power supply device or an internal power storage device, for example, a battery. The vibrator of the transducer module 140 may generate ultrasonic waves by vibrating according to the supplied AC power.
  • the cable 120 is connected to the transducer module 140 at one end and the male connector 130 at the other end, thereby connecting the transducer module 140 and the male connector 130.
  • the male connector 130 may be physically coupled to the female connector 14 of the main body 10.
  • the male connector 130 transmits the electrical signal generated by the transducer module 140 to the physically coupled female connector 14 or the control signal generated by the main body 10 from the female connector 14. Receive.
  • the male connector 130 and the cable 120 are shown to be exposed to the outside, but the male connector 130 and the cable 120 may be embedded in a housing forming the main body 10.
  • the display 30 and the control panel 20 may be provided in the main body 10 of the ultrasound imaging apparatus 1.
  • the control panel 20 may be provided with an input unit 24 for the inspector to control the ultrasound imaging apparatus 1.
  • the input unit 24 may receive not only setting information about the ultrasonic probe 100 but also various control commands from the inspector.
  • the setting information about the ultrasound probe 100 may include gain information, zoom information, focus information, time gain compensation information, and depth. Information, frequency information, power information, frame average information, dynamic range information, and the like.
  • the setting information about the ultrasonic probe 100 is not limited to one embodiment, and includes various information that can be set for capturing an ultrasound image.
  • the information is transmitted to the ultrasound probe 100 through the cable 120, the ultrasound probe 100 may be set according to the received information.
  • the main body 10 may receive various control commands such as a command for transmitting an ultrasonic signal through the input unit 24, and transmit the received control commands to the ultrasonic probe 100.
  • the input unit 24 may be implemented in a keyboard, foot switch (foot switch) or foot pedal (foot pedal) method.
  • the keyboard may be implemented in hardware.
  • Such a keyboard may include at least one of a switch, a key, a joystick, and a trackball.
  • the keyboard may be implemented in software such as a graphical user interface. In this case, the keyboard may be displayed through the display 30.
  • the foot switch or the foot pedal may be provided under the main body 10, and the user may control the operation of the ultrasound imaging apparatus 1 by using the foot pedal.
  • the display 30 is a cathode ray tube (CRT), a liquid crystal display (LCD), a light emitting diode (LED), a liquid crystal display (LCD), a light emitting diode (LED), a plasma display panel (PDP), an OLED. (Organic Light Emitting Diode) and the like, may be implemented in a variety of known manners, but is not limited thereto.
  • CTR cathode ray tube
  • LCD liquid crystal display
  • LED light emitting diode
  • LCD liquid crystal display
  • LED light emitting diode
  • PDP plasma display panel
  • OLED Organic Light Emitting Diode
  • OLED Organic Light Emitting Diode
  • the display 30 may display an ultrasound image of the target area inside the object.
  • the ultrasound image displayed on the display 30 may be a 2D ultrasound image or a 3D stereoscopic ultrasound image, and various ultrasound images may be displayed according to an operation mode of the ultrasound imaging apparatus 1.
  • the display 30 may display not only menus or guidance information necessary for ultrasound diagnosis, but also information on an operating state of the ultrasound probe 100.
  • the ultrasound image may include an A-mode (A-mode) image, a B-mode (B-mode) image, and an M-mode (M-Mode) image.
  • A-mode A-mode
  • B-mode B-mode
  • M-mode M-mode
  • C Color
  • D Doppler
  • the A-mode image described below refers to an ultrasound image indicating the magnitude of an ultrasound signal corresponding to the echo ultrasound signal
  • the B-mode image refers to an ultrasound image indicating the brightness of the ultrasound signal corresponding to the echo ultrasound signal.
  • the M-mode image refers to an ultrasound image representing the movement of the object over time at a specific location
  • the D-mode image refers to an ultrasound image representing the moving object in a waveform form using the Doppler effect
  • the C-mode image refers to an ultrasound image representing a moving object in the form of a color spectrum.
  • the control panel 20 may be provided with an auxiliary display 26.
  • the auxiliary display 26 may provide related information such as a menu or an auxiliary image for optimizing the ultrasound image or provide a graphic interface to the examiner.
  • the auxiliary display 26 may also perform a function of the input unit 24. That is, the main body 10 may receive various commands from the user through at least one of the auxiliary display 26 and the input unit 24.
  • the main body 10 is provided with a voice recognition sensor, it is also possible to receive a voice command from the user.
  • FIG. 2 is a view showing an ultrasonic probe according to an embodiment of the present invention
  • Figure 3 is a view showing a cross section of a part of the ultrasonic probe according to an embodiment of the present invention.
  • the ultrasonic probe 100 is a transducer module 140 for irradiating ultrasonic waves to the object, receiving echo ultrasonic waves reflected from the object, and mutually converting electrical signals and ultrasonic waves; It includes a case 110 for receiving the transducer module 140. The inspector grips the case 110 and contacts the inspected object with the transducer module 140 exposed through the case 110.
  • the case 110 includes a first portion 111 in which a contact portion, which is a portion of the transducer module 140 in contact with an object, and a second portion 112 to which a cable 120 is connected.
  • the second portion 112 may be provided to have a smaller width than the first portion 111.
  • the ultrasound probe 100 may form at least a portion of an appearance, and may include a deformation portion capable of deforming the shape from at least a portion of the ultrasonic probe to the second state.
  • the deformation part may be integrally formed with the case 110. That is, a part of the case 110 may be provided to be deformable.
  • the deformation part may be formed in the case 110 except for the side surface of the first part 111 of the case 110. That is, the deformation part may be formed on the upper and lower surfaces of the second part 112 and the first part 111 of the case.
  • the upper and lower surfaces of the first part 111 of the case 110 mean a relatively wider area.
  • the transducer module 140 includes a piezoelectric member 143, an acoustic matching layer 142, an acoustic lens 141, and a sound absorbing layer 144.
  • the acoustic lens 141, the acoustic matching layer 142, the piezoelectric member 143, and the sound absorbing layer 144 are arranged in order from the front surface contacting the subject.
  • the piezoelectric member 143 is bonded to the entire surface of the sound absorbing layer 144, and electrode portions (not shown) are provided on both side surfaces of the piezoelectric member 143.
  • the piezoelectric element 143 converts an electrical signal into an ultrasonic wave, which is an acoustic signal, and sends it out into the air, and converts the ultrasonic reflected signal reflected back from the air into an electrical signal and sends it to the device.
  • the piezoelectric element 143 generates ultrasonic waves using a resonance phenomenon, and a PZT single crystal made of a solid solution of PZT single crystal, magnesium niobate and lead titanate, made of a solid solution of PZT ceramic, zinc niobate and lead titanate. Or the like.
  • the electrode part may be formed of a highly conductive metal such as gold, silver, or copper, or graphite.
  • the acoustic matching layer 142 is provided in front of the piezoelectric body 143.
  • the acoustic matching layer 142 matches the acoustic impedance of the piezoelectric body 143 with the acoustic impedance of the object under test so that the ultrasonic signal generated from the piezoelectric body 143 is efficiently transmitted to the object under test. To this end, it is provided to have an intermediate value between the acoustic impedance of the piezoelectric body 143 and the acoustic impedance of the object under test.
  • the acoustic matching layer 142 may be formed of glass or resin.
  • the acoustic matching layer may include a plurality of acoustic matching layers having different materials so that the acoustic impedance may gradually change from the piezoelectric member 143 toward the object under test.
  • the sound absorbing layer 144 is disposed behind the piezoelectric body 143.
  • the sound absorbing layer 144 reduces the pulse width of the ultrasonic wave by suppressing free vibration of the piezoelectric body 143, and prevents the ultrasonic wave from propagating unnecessarily to the rear of the piezoelectric body 143 to prevent image distortion.
  • a printed circuit board (PCB) (not shown) may be positioned between the sound absorbing layer 144 and the piezoelectric member 143.
  • the PCB is provided to mutually convert an electrical signal and an ultrasonic signal generated from the electrode part (not shown).
  • the PCB is provided to mutually convert the electrical signal and the ultrasonic signal generated from the electrode part (not shown).
  • the PCB is provided to form a direction perpendicular to the stacking direction of the suction layer 144 and the piezoelectric body 143.
  • the PCB includes a configuration in which a signal can supply electricity, such as a flexible printed circuit (FPCB).
  • FPCB flexible printed circuit
  • the acoustic lens 141 is disposed in front of the acoustic matching layer 142.
  • the acoustic lens 141 concentrates the ultrasonic signal traveling forward at a specific point. As shown in FIG. 3, the acoustic lens 141 is convex, but is not limited thereto, and may be provided concave.
  • Figure 4 is a view showing a deformation of the shape of the ultrasonic probe according to an embodiment of the present invention
  • Figure 5 is a view showing a deformation of the shape of the ultrasonic probe according to an embodiment of the present invention.
  • the shape deformation of the case 110 as shown in FIGS. 4 and 5 is possible due to the deformation portion.
  • the deformable portion may be formed of at least one of a shape memory alloy, a shape memory polymer, and smart particles.
  • Nitinol may be used as the shape memory alloy.
  • Nitinol refers to a titanium-nickel alloy in which nickel and titanium are mixed in a ratio of 1: 1.
  • a copper-zinc-aluminum alloy containing 20 to 25% by weight of zinc and 4 to 6% by weight of aluminum may be used as the shape memory alloy.
  • the shape memory alloy returns to its original form at a particular temperature called "shape recovery temperature". At higher temperatures than the "shape recovery temperature", it has an austenite structure, and when cooled to a temperature below the "shape recovery temperature", it turns into martensite structure. If only austenite tissue is cooled, it becomes twin martensite structure, but if it is applied to it by deformation, it becomes deformed martensite structure. Heat is applied again in the deformed state and the shape recovery temperature is returned to the original austenite structure.
  • polynorbornene or a diary may be used.
  • a temperature sensitive surfactant may be used. Smart particles can selectively change the properties of the interface in response to external temperature stimulation.
  • a temperature sensitive surfactant using poly-N-isopropylacrylamide (PNIPMA) may be used.
  • the shape deformation of the deformation part may be plastically deformed due to the addition of temperature, humidity, heat, and chemicals.
  • the shape deformation of the deformation portion deforms the shape of the deformation portion in a second state suitable for holding by the inspector in the first state by exposing the deformation portion to conditions that can be deformed by applying temperature, humidity, heat, and chemicals. Exposure to conditions to secure the shape in a second state.
  • the conditions under which shape deformation occurs can be adjusted by combining the shape deformation materials described above.
  • the deformation part enables the shape deformation of at least a part of the case 110, it is possible to provide the ultrasound probe 100 optimized to the examiner according to the size of the examiner's hand and the gripping method. Accordingly, it is possible to reduce the fatigue of the inspector generated during the inspection, it is possible to prevent the inspector from dropping the ultrasonic probe 100 due to the fatigue during the inspection.
  • FIG. 6 is a view showing an ultrasonic probe according to another embodiment of the present invention.
  • the deformation part 250 may be mounted to surround at least a portion of the case 210. That is, the deformable portion 250 may be provided as a separate member from the case 210.
  • the case 210 of the ultrasonic probe 200 shown in FIG. 6 also includes a first portion 211 and a second portion 212.
  • the mounting part 250 is illustrated as being located in the second part 212, but is not limited thereto.
  • the mounting part 250 may be provided to surround the first part 211.
  • the deformable part 250 may be configured of at least one of a shape memory alloy, a shape memory polymer, and smart particles. Accordingly, in consideration of the condition of the inspector, the shape of the deformation part 250 may be modified to fit the deformation part 250 to the ultrasonic probe 200.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Gynecology & Obstetrics (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Transducers For Ultrasonic Waves (AREA)

Abstract

L'invention concerne une sonde ultrasonore ayant un boîtier amélioré, permettant à la forme externe de la sonde ultrasonore d'être changée par un examinateur pour réduire la fatigue de l'examinateur, et permettant d'empêcher des problèmes qui peuvent se produire pendant une inspection. Une sonde ultrasonore selon un mode de réalisation de la présente invention comprend : un module de transducteur pour émettre des ondes ultrasonores vers un objet, recevoir des ondes ultrasonores répétées réfléchies par l'objet, et inter-convertir des signaux électriques et des ondes ultrasonores ; un boîtier qui reçoit le module de transducteur ; et une unité de transformation qui forme au moins une partie de l'extérieur de la sonde ultrasonore, et dont au moins une partie peut être transformée d'un premier état à un second état.
PCT/KR2019/000408 2018-02-02 2019-01-10 Sonde ultrasonore WO2019151673A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2018-0013457 2018-02-02
KR1020180013457A KR20190093977A (ko) 2018-02-02 2018-02-02 초음파 프로브

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WO2019151673A1 true WO2019151673A1 (fr) 2019-08-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020121428A (ja) * 2019-01-29 2020-08-13 パナソニックＩｐマネジメント株式会社 外装品

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10165052A (ja) * 1996-12-10 1998-06-23 Ryobi Ltd 釣り具の付属部品
JP2004008372A (ja) * 2002-06-05 2004-01-15 Ge Medical Systems Global Technology Co Llc 超音波プローブおよび超音波診断装置
JP2006130018A (ja) * 2004-11-04 2006-05-25 Matsushita Electric Ind Co Ltd 超音波探触子
JP2006271605A (ja) * 2005-03-29 2006-10-12 Matsushita Electric Ind Co Ltd 超音波探触子
KR20130066821A (ko) * 2011-12-13 2013-06-21 삼성전자주식회사 초음파 진단장치용 프로브
KR20140080879A (ko) * 2012-12-20 2014-07-01 김영미 미끄러짐 방지 기능을 가진 핸드폰 케이스

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10165052A (ja) * 1996-12-10 1998-06-23 Ryobi Ltd 釣り具の付属部品
JP2004008372A (ja) * 2002-06-05 2004-01-15 Ge Medical Systems Global Technology Co Llc 超音波プローブおよび超音波診断装置
JP2006130018A (ja) * 2004-11-04 2006-05-25 Matsushita Electric Ind Co Ltd 超音波探触子
JP2006271605A (ja) * 2005-03-29 2006-10-12 Matsushita Electric Ind Co Ltd 超音波探触子
KR20130066821A (ko) * 2011-12-13 2013-06-21 삼성전자주식회사 초음파 진단장치용 프로브
KR20140080879A (ko) * 2012-12-20 2014-07-01 김영미 미끄러짐 방지 기능을 가진 핸드폰 케이스

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020121428A (ja) * 2019-01-29 2020-08-13 パナソニックＩｐマネジメント株式会社 外装品
JP7190697B2 (ja) 2019-01-29 2022-12-16 パナソニックＩｐマネジメント株式会社 外装品

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