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WO2015012420A1 - Sonde échographique - Google Patents

Sonde échographique Download PDF

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Publication number
WO2015012420A1
WO2015012420A1 PCT/KR2013/006579 KR2013006579W WO2015012420A1 WO 2015012420 A1 WO2015012420 A1 WO 2015012420A1 KR 2013006579 W KR2013006579 W KR 2013006579W WO 2015012420 A1 WO2015012420 A1 WO 2015012420A1
Authority
WO
WIPO (PCT)
Prior art keywords
ultrasonic probe
transducer
weight part
backing material
ultrasonic
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
Application number
PCT/KR2013/006579
Other languages
English (en)
Korean (ko)
Inventor
노원호
조보연
손민규
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Alpinion Medical Systems Co Ltd
Original Assignee
Alpinion Medical Systems Co Ltd
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 Alpinion Medical Systems Co Ltd filed Critical Alpinion Medical Systems Co Ltd
Priority to PCT/KR2013/006579 priority Critical patent/WO2015012420A1/fr
Publication of WO2015012420A1 publication Critical patent/WO2015012420A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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

Definitions

  • the present embodiment relates to an ultrasonic probe provided in an ultrasonic diagnostic apparatus or the like for acquiring image information inside an object under examination using ultrasonic waves.
  • the ultrasound diagnosis apparatus transmits an ultrasound signal to a diagnosis site of the test subject by an ultrasound probe, and then receives an ultrasound signal reflected from a tissue boundary in the test subject having a different acoustic impedance by the ultrasound probe. Acquire image information.
  • the image information is output to the monitor of the ultrasound diagnosis apparatus, and the diagnoser may perform diagnosis on the subject through the image information output to the monitor.
  • the diagnoser holds the ultrasonic probe with one hand and presses the scanning area of the ultrasonic probe onto the surface of the subject.
  • the diagnostic person scans the ultrasonic probe while moving the wrist, which causes a load on the wrist of the diagnosis person and may cause fatigue.
  • the diagnoser must scan the ultrasonic probe while applying a force opposite to the tension of the cable, so that the fatigue of the diagnosing wrist may be increased. If the diagnoser has been engaged in the above-mentioned tasks for a long time, wrist pain may become occupational disease.
  • An object of the present invention is to provide an ultrasonic probe that can reduce the load on the wrist during the scan operation for diagnosis to reduce fatigue and improve grip.
  • the piezoelectric layer, the matching layer and the acoustic lens are sequentially stacked from one side of the backing material, the transducer accommodated in the housing, and the transducer is provided in the transducer It includes a weight for moving the center of gravity of the toward the acoustic lens.
  • the present invention since it is configured to move the center of gravity of the ultrasonic probe toward the scan site, when the diagnostic person presses the ultrasonic probe with one hand and scans the surface of the subject under test, the load on the hand can be reduced.
  • the transducer when the transducer is a convex array type, when the diagnoser scans the ultrasound probe while moving the wrist, the load on the diagnoser's wrist is reduced, and thus fatigue may be reduced.
  • the weight increased by the weight part when the diagnostic member scans the ultrasonic probe while applying a force opposite to the tension of the cable. Since the tension of the cable can be absorbed, the fatigue applied to the wrist of the diagnoser can be reduced.
  • FIG. 1 is a perspective view of an ultrasonic probe according to an embodiment of the present invention.
  • FIG. 2 is a diagram for describing an example of a scan operation of the ultrasonic probe illustrated in FIG. 1.
  • FIG. 3 is a cross-sectional view of a portion of the ultrasonic probe illustrated in FIG. 1;
  • FIG. 4 is a perspective view illustrating the transducer shown in FIG. 3.
  • FIG. 5 is a cross-sectional view illustrating a state in which a weight part according to another example is applied in FIG. 3.
  • FIG. 1 is a perspective view of an ultrasonic probe according to an embodiment of the present invention.
  • FIG. 2 is a diagram for describing an example of a scan operation of the ultrasonic probe illustrated in FIG. 1.
  • the ultrasound probe 100 includes a housing 110, a transducer 120, and a weight part 130.
  • the housing 110 accommodates and protects a component including the transducer 120 and the like therein.
  • the gripper 111 having a concave shape may be formed in the housing 110 so that the diagnoser can comfortably hold the housing 110 by hand.
  • the housing 110 may have a structure capable of exposing the outer surface of the acoustic lens 124 of the transducer 120 through one portion.
  • the housing 110 may have a structure that allows the cable 140 to pass through the opposite side.
  • the transducer 120 transmits an ultrasonic signal to the object under test and receives the ultrasonic signal reflected from the object under test.
  • Transducer 120 is housed within housing 110.
  • the transducer 120 sequentially laminates a piezo-electric layer 122, a matching layer 123, and an acoustic lens 124 from one side of a backing material 121. Can be configured.
  • the backing material 121 may be configured to have sound absorption.
  • the backing material 121 suppresses free vibration of the piezoelectric layer 122 stacked on the upper side to reduce the pulse width of the ultrasonic wave, and prevents unnecessary propagation of the ultrasonic wave to the lower side of the piezoelectric layer 122 to prevent image distortion. You can prevent it.
  • the backing material 121 may have a shape in which a surface on which the piezoelectric layer 122 is stacked has a predetermined curvature and is convexly curved.
  • the piezoelectric layer 122 resonates when a voltage is applied to generate an ultrasonic signal, and when receiving the ultrasonic signal, vibrates to generate an electrical signal.
  • the piezoelectric layer 122 may have a shape in which a plurality of piezoelectric elements 122a have a predetermined thickness and are spaced apart from each other and arranged along a curved surface of the backing material 121. The spaced spaces between the piezoelectric elements 122a may be filled with a filler 122b to fix the spaces between the piezoelectric elements 122a.
  • the matching layer 123 may reduce the acoustic impedance difference between the piezoelectric elements 122a and the object under test.
  • the acoustic lens 124 is for focusing the ultrasonic waves generated from the piezoelectric element 122a.
  • the matching layer 123 and the acoustic lens 124 may have a predetermined thickness and may be sequentially stacked in a bent form along the curved surface of the piezoelectric layer 122.
  • the transducer 120 may be configured as a linear array type in which a plurality of piezoelectric elements 122a have a predetermined thickness and are arranged along the flat surface of the backing material 121. It is not limited.
  • first electrode part 125 may be disposed between the backing material 121 and the piezoelectric layer 122.
  • the first electrode part 125 may be formed of a flexible printed circuit board having first electrodes corresponding to the piezoelectric elements 122a on one surface thereof.
  • the second electrode part 126 may be disposed between the piezoelectric layer 122 and the matching layer 123.
  • the second electrode unit 126 may be configured as a flexible printed circuit board having second electrodes corresponding to the piezoelectric elements 122a respectively formed on one surface thereof.
  • the first electrodes of the first electrode part 125 function as signal electrodes for transmitting and receiving electrical signals
  • the second electrodes of the second electrode part 126 may function as ground electrodes.
  • the first and second electrode parts 125 and 126 may be electrically connected to the cable 140 by a connector or the like.
  • the weight part 130 is provided in the transducer 120 to move the center of gravity of the transducer 120 toward the acoustic lens. Therefore, the center of gravity of the ultrasonic probe 100 is moved from the G1 position to the G2 position by the weight part 130, so that the ultrasonic probe 100 having a low center of gravity may be implemented.
  • the G1 position represents the center of gravity of the ultrasonic probe 100 in the state in which the weight part 130 is not provided in the transducer 120.
  • the center of gravity of the ultrasonic probe 100 is moved toward the acoustic lens by the weight part 130, the center of gravity of the ultrasonic probe 100 is far from the grip 111 of the housing 110. Accordingly, when the diagnoser scans while holding the gripping portion 111 with one hand while pressing the acoustic lens portion on the surface of the subject, the load on the hand can be reduced.
  • the transducer 120 is made of a convex array type, when the diagnoser scans the ultrasound probe 100 while moving the wrist, the load on the diagnoser's wrist is reduced, so that fatigue may be reduced.
  • the diagnostic member may scan the ultrasonic probe 100 while applying a force opposite to the tension of the cable 140.
  • the tension of the cable 140 may be absorbed by the weight increased by the weight part 130, the fatigue applied to the wrist of the diagnoser may be reduced.
  • the ultrasound probe 100 since the ultrasound probe 100 has a low center of gravity, the grip and stability can be improved in terms of ergonomics.
  • the weight portion 130 may be made of a material having a specific gravity higher than the material of the backing material (121). If the backing material 121 is made of a material including a material such as polyurethane elastomer, silicone elastomer, etc., the weight part 130 may be made of a metal material having a relatively high specific gravity such as copper, copper alloy, iron, iron alloy, and the like. have. The weight part 130 may be disposed on a surface opposite to the surface on which the piezoelectric layer 122 is stacked in the backing material 121. The weight part 130 may be formed in a plate shape and bonded to an opposite surface of the backing material 121 or may be fixed to an inner wall of the housing 110.
  • weight part 130 is shown to have a larger area than the opposite side of the backing material 121, it is also possible to have the same or smaller area.
  • the weight part 130 may be formed in various shapes in a range capable of performing the above-described functions, and is not limited thereto.
  • the weight part 130 may be made of a material having sound absorption.
  • the weight part 130 may be made of a material filled with a material having a high specific gravity such as tungsten (W), lead (Pb), and the like.
  • the backing material 121 may be formed of a material such as a polyurethane elastomer, a silicone elastomer, and the like having a specific gravity lower than the weight part 130.
  • the volume of the backing material 121 may be reduced by the volume of the weight part 130, so that the transducer 120 may be provided with the weight part 130. The volume of can be minimized.
  • the weight portion 230 of the transducer 220 may be fitted into the backing material 221.
  • a recess is formed in a surface opposite to the surface on which the piezoelectric layer 122 is stacked, and the weight part 230 may be inserted into the groove to be joined.
  • the weight part 230 is illustrated as being made of a size corresponding to the size of the groove, but may be made of a size larger than the size of the groove.
  • the weight part 230 may be made of a metal material having a relatively high specific gravity, such as copper, copper alloy, iron, iron alloy, and the like.
  • the weight portion 230 may be made of a material having sound absorption while having a specific gravity higher than that of the backing material 221 as described above. In this case, since the volume of the backing material 221 does not need to be increased by the volume of the weight part 230, the volume of the transducer 220 may be minimized even if the weight part 230 is provided in the transducer 220.

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

Abstract

La présente invention se rapporte à une sonde échographique disposée dans un appareil de diagnostic par ultrasons, etc., pour l'acquisition d'informations d'image provenant de l'intérieur d'un objet analysé à l'aide d'ondes ultrasonores. La sonde échographique comporte : un boîtier ; un transducteur logé dans le boîtier, dans lequel une couche piézoélectrique, une couche concordante et une lentille acoustique sont stratifiées séquentiellement sur une surface d'un matériau support ; une partie poids disposée dans le transducteur pour le déplacement du centre de gravité du transducteur vers la lentille acoustique.
PCT/KR2013/006579 2013-07-23 2013-07-23 Sonde échographique Ceased WO2015012420A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2013/006579 WO2015012420A1 (fr) 2013-07-23 2013-07-23 Sonde échographique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2013/006579 WO2015012420A1 (fr) 2013-07-23 2013-07-23 Sonde échographique

Publications (1)

Publication Number Publication Date
WO2015012420A1 true WO2015012420A1 (fr) 2015-01-29

Family

ID=52393447

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2013/006579 Ceased WO2015012420A1 (fr) 2013-07-23 2013-07-23 Sonde échographique

Country Status (1)

Country Link
WO (1) WO2015012420A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017176008A1 (fr) * 2016-04-06 2017-10-12 한국기계연구원 Module de reconnaissance d'empreintes digitales, dispositif électronique utilisant ledit module, et procédé de fabrication d'un élément de commande d'ondes sonores s'y rapportant
CN110191405A (zh) * 2019-05-10 2019-08-30 北京信息科技大学 双频大尺寸压电复合材料球形换能器及其制备方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005027752A (ja) * 2003-07-08 2005-02-03 Toshiba Corp 圧電振動子、圧電振動子の製造方法、超音波探触子および超音波診断装置
JP2006033801A (ja) * 2004-06-15 2006-02-02 Toshiba Corp 音響バッキング組成物、超音波プローブ、及び超音波診断装置
US20080228081A1 (en) * 2004-04-02 2008-09-18 Koninklijke Philips Electronics, N.V. Ultrasonic Intracavity Probe For 3D Imaging
JP2011072702A (ja) * 2009-10-01 2011-04-14 Konica Minolta Medical & Graphic Inc 超音波探触子用音響レンズおよび超音波探触子
WO2011131954A2 (fr) * 2010-04-20 2011-10-27 Guided Ultrasonics Ltd. Transducteur ultrasonique

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005027752A (ja) * 2003-07-08 2005-02-03 Toshiba Corp 圧電振動子、圧電振動子の製造方法、超音波探触子および超音波診断装置
US20080228081A1 (en) * 2004-04-02 2008-09-18 Koninklijke Philips Electronics, N.V. Ultrasonic Intracavity Probe For 3D Imaging
JP2006033801A (ja) * 2004-06-15 2006-02-02 Toshiba Corp 音響バッキング組成物、超音波プローブ、及び超音波診断装置
JP2011072702A (ja) * 2009-10-01 2011-04-14 Konica Minolta Medical & Graphic Inc 超音波探触子用音響レンズおよび超音波探触子
WO2011131954A2 (fr) * 2010-04-20 2011-10-27 Guided Ultrasonics Ltd. Transducteur ultrasonique

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017176008A1 (fr) * 2016-04-06 2017-10-12 한국기계연구원 Module de reconnaissance d'empreintes digitales, dispositif électronique utilisant ledit module, et procédé de fabrication d'un élément de commande d'ondes sonores s'y rapportant
US10783343B2 (en) 2016-04-06 2020-09-22 Korea Institute Of Machinery & Materials Fingerprint recognition module, electronic device employing same, and method for manufacturing sound wave control member therefor
CN110191405A (zh) * 2019-05-10 2019-08-30 北京信息科技大学 双频大尺寸压电复合材料球形换能器及其制备方法

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