WO2016126040A1 - Mécanisme d'entraînement de transducteur médical à ultrasons - Google Patents

Mécanisme d'entraînement de transducteur médical à ultrasons Download PDF

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Publication number
WO2016126040A1
WO2016126040A1 PCT/KR2016/000848 KR2016000848W WO2016126040A1 WO 2016126040 A1 WO2016126040 A1 WO 2016126040A1 KR 2016000848 W KR2016000848 W KR 2016000848W WO 2016126040 A1 WO2016126040 A1 WO 2016126040A1
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WO
WIPO (PCT)
Prior art keywords
arm
array
link
ultrasonic
bush
Prior art date
Application number
PCT/KR2016/000848
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English (en)
Korean (ko)
Inventor
노용래
이형근
Original Assignee
경북대학교 산학협력단
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 경북대학교 산학협력단 filed Critical 경북대학교 산학협력단
Publication of WO2016126040A1 publication Critical patent/WO2016126040A1/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
    • 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 a driving mechanism of a medical ultrasonic transducer, and more particularly, to a driving mechanism of a medical ultrasonic transducer having a link member between an arm transmitting a rotational force of a motor and an ultrasonic array for imaging an image.
  • the ultrasonic imaging device mainly used to image the organs and the fetus inside the human body.
  • an ultrasound imager can steer the radiant angle of the ultrasound at any time It is possible to image a specific point inside the human body, and there is no damage such as radiation to the human body, and there is an advantage in that an image can be acquired in a relatively quick time than other medical equipment for internal imaging.
  • Ultrasonic transducers measure the difference in acoustic impedance between the piezoelectric layer and the human body so that the piezoelectric material vibrates and converts electrical and acoustic signals to each other.
  • Ultrasonic module consisting of a matching layer to reduce, a lens layer for focusing the ultrasonic waves traveling forward of the piezoelectric layer to a specific point, and a sound absorbing layer to block the progress of the ultrasonic waves behind the piezoelectric layer to prevent image distortion Is common.
  • the ultrasonic transducer is moved to acquire an image of a specific part of the human body, and the ultrasonic array of the ultrasonic transducer is moved by using a driving mechanism for the ultrasonic transducer.
  • the conventional driving mechanism (Korean Patent Application No. 10-2005-0055400) uses a plurality of gears or belts and pulleys, and since these belts and pulleys or gears are used, the parts are arranged correctly. There have been difficulties in making such as.
  • the alignment of the components constituting the drive mechanism is easy to manufacture, the drive mechanism of the medical ultrasonic transducer that can efficiently and accurately drive the ultrasonic array by transmitting the power of the motor effectively To provide.
  • the drive mechanism of the medical ultrasonic transducer for solving the above problems is a motor for providing a rotational drive force, an arm connected to the drive shaft of the motor to pivot by the rotational drive force, the arm And a link member connecting the first ultrasonic reciprocating motion array and the arm and the ultrasonic array according to the pivoting motion of the beam, and transmitting the rotational driving force transmitted by the arm to the ultrasonic array.
  • the present invention it is easy to align the components constituting the drive mechanism is easy to manufacture, and to provide a drive mechanism of the medical ultrasonic transducer that can efficiently and accurately drive the ultrasonic array by transferring the power of the motor effectively. Can be.
  • FIG. 1 is a perspective view of a driving mechanism of a medical ultrasonic transducer according to an embodiment of the present invention.
  • 2a to 4c is a view showing the operation of the drive mechanism of the medical ultrasound transducer according to an embodiment of the present invention.
  • link rail 60 rail mounting membrane
  • 1 is a perspective view of a driving mechanism of a medical ultrasonic transducer according to an embodiment of the present invention.
  • 2a to 4c is a view showing the operation of the drive mechanism of the medical ultrasound transducer according to an embodiment of the present invention.
  • a driving mechanism of a medical ultrasound transducer includes a motor 10, an arm 20, a link member, and an ultrasonic array 70. It includes.
  • the motor 10 provides a rotational driving force, and ultimately provides a force for moving the ultrasonic array 70, in detail the drive shaft connected to the motor 10 as the motor 10 rotates And the arm 20 connected to the drive shaft makes a pivoting movement, which causes the movement of the link member and the ultrasonic array 70.
  • a stepper motor capable of controlling the rotational angle of the drive shaft may be used.
  • a magnetic motor, a hydraulic motor, an electric motor, or other motor generating a rotational movement may be used. Can be used.
  • the arm 20 transmits the rotational driving force of the motor 10 to the link member, and transmits the rotational driving force of the motor 10 to the ultrasonic array 70 through the link member, specifically, the driving of the motor 10.
  • the arm 20 can be connected to the drive shaft of the motor 10, so that the rotational driving force of the motor 10 can pivot the arm 20.
  • the arm 20 is integrally formed with the arm shaft 30 or connected to the link member via the arm shaft 30 inserted into the arm 20 in a separate configuration from the arm 20.
  • the pivoting movement of the bar 20 and the arm 20 can cause the link bush 40 of the link member to make a second linear reciprocating motion along the link rail 50, and by this pivoting movement, the linking bush (
  • the array bush 90 formed in the ultrasonic array 70 together with the movement of 40 can make a first linear reciprocating motion along the array rail 80.
  • the link member connects the arm 20 and the ultrasonic array 70, and transmits the rotational driving force of the motor 10 transmitted by the arm 20 to the ultrasonic array 70, for which the link member is a link bush. 40 and link rail 50.
  • the link bush 40 may be directly connected to the arm shaft 30 of the arm 20, or may be connected to the arm shaft 30 through the housing of the link bush 40, which is the link bush 40. May be, but is not limited to, a linear bush.
  • the link rail 50 may be installed outside the ultrasonic array 70, and the link bush 40 is reciprocated by the second linear reciprocation by the pivoting movement of the arm 20 about the arm shaft 30. It can serve as a guide to exercise.
  • the arm shaft 30 is integrally formed at the end of the arm 20, the end of the drive shaft of the motor 10 is not inserted, or the number of configurations And the arm shaft 30 can be inserted and fixed in the link bush 40 or the housing of the link bush 40.
  • the link rail 50 may be installed along the upper longitudinal direction of the ultrasonic array 70, and for this installation, the rail mounting membrane 60 is formed between both longitudinal ends of the ultrasonic array 70.
  • the link rail 50 may be mounted on the rail mounting membrane 60, and the link bush 40 may linearly reciprocate along the link rail 50. Therefore, the moving distance of the link bush 40 is determined by the length of the link rail 50 adjusted according to the formation position of the rail mounting film 60.
  • the pivoting motion of the arm 20 can cause the link bush 40, which is connected to the arm shaft 30, to make a linear reciprocating motion along the link rail 50.
  • the ultrasound array 70 photographs an image inside the human body for diagnosis, and includes an ultrasound sensor for this purpose, and the ultrasound array 70 moves to photograph a specific part of the human body.
  • Array bushes 90 may be provided at both ends of the ultrasonic array 70 to enable such movement, and the array bush 90 may be perpendicular to the longitudinal direction of the ultrasonic array 70 in the housing of the ultrasonic transducer.
  • the first linear reciprocating motion can be performed along the array rail 80 provided in one direction.
  • the arm 20 makes a pivotal movement, so that the link bush 40 makes a second linear reciprocating motion along the link rail 50, and at the same time the pivoting movement of the arm 20 results in an ultrasonic array 70.
  • the array bush 90 is capable of pushing or pulling the array bush 90 so that the array bush 90 can make a first linear reciprocating motion along the array rail 80.
  • the direction of the first linear reciprocating motion and the direction of the second linear reciprocating motion may be perpendicular to each other.
  • the array bush 90 may be a linear bush or a stroke bush, but is not limited thereto.
  • FIGS. 2A through 4C correspond to a front view, a bottom view, and an exploded perspective view, respectively, illustrating an operation process of the driving mechanism.
  • 3a and 4a, Figs. 2b, 3b and 4b and Figs. 2c, 3c and 4c respectively show the same driving steps viewed from different directions.
  • the ultrasonic array 70 is located at the center of the array rail 80, the link bush 40 is located at the rear of the link rail 50, and the arm 20 is placed at the ultrasonic array ( 70) arranged side by side.
  • the motor 10 is then rotated counterclockwise, so that the arm 20 connected to the drive shaft of the motor 10 is also rotated counterclockwise, so that the arm 20 Is pivoted about an arm shaft 30 inserted at an end opposite the end at which the drive shaft is inserted.
  • the arm shaft 30 is fixedly connected to the link bush 40 or the link bush housing housing the link bush 40, the pivoting motion of the arm 20 is transmitted through the link shaft 30 through the arm shaft 30.
  • the link bush 40 is pulled while applying force to the 40, so that the link bush 40 is linearly moved forward along the link rail 50.
  • the pivoting motion of the arm 20 pushes the link member by applying a force to the link member, and as a result, the ultrasonic array 70 on which the link member is installed also moves to the left. It will move in a straight line.
  • the motor 10 rotates clockwise so that the arm 20 connected to the drive shaft of the motor 10 also rotates clockwise, ie The arm 20 is pivoted about the arm shaft 30.
  • the arm shaft 30 is fixedly connected to the link bush 40 or the housing of the link bush 40 containing the link bush 40, the pivoting motion of the arm 20 causes the arm shaft 30 to move.
  • the link bush 40 is pulled while applying a force to the link bush 40, so that the link bush 40 linearly moves forward along the link rail 50.
  • the pivoting motion of the arm 20 pushes the link member by applying a force to the link member, and as a result, the ultrasonic array 70 on which the link member is installed also moves to the right. It will move in a straight line.
  • the link bush 40 makes a second linear reciprocating motion along the link rail 50 and at the same time, the array bush 90 is subjected to a first linear reciprocating motion having a direction perpendicular to the direction of the second linear reciprocating motion along the array rail 80, so that the ultrasonic array 70 is subjected to the first linear reciprocating motion. While doing the ultrasound imaging for each part of the human body.

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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)
  • Ultra Sonic Daignosis Equipment (AREA)

Abstract

L'invention concerne un mécanisme d'entraînement d'un transducteur médical à ultrasons qui comprend : un moteur qui fournit une force d'entraînement en rotation ; un bras qui est connecté à l'arbre d'entraînement du moteur et qui est soumis à un mouvement de rotation en raison de la force d'entraînement en rotation ; un réseau à ultrasons qui est soumis à un premier mouvement de va-et-vient linéaire en fonction du mouvement de rotation du bras ; et un élément de liaison qui relie le bras au réseau à ultrasons et qui transfère, audit réseau à ultrasons, la force d'entraînement en rotation transférée par le bras.
PCT/KR2016/000848 2015-02-06 2016-01-27 Mécanisme d'entraînement de transducteur médical à ultrasons WO2016126040A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020150018682A KR101726997B1 (ko) 2015-02-06 2015-02-06 의료용 초음파 트랜스듀서의 구동 기구
KR10-2015-0018682 2015-02-06

Publications (1)

Publication Number Publication Date
WO2016126040A1 true WO2016126040A1 (fr) 2016-08-11

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PCT/KR2016/000848 WO2016126040A1 (fr) 2015-02-06 2016-01-27 Mécanisme d'entraînement de transducteur médical à ultrasons

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KR (1) KR101726997B1 (fr)
WO (1) WO2016126040A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109965907A (zh) * 2019-04-30 2019-07-05 中国医学科学院生物医学工程研究所 一种用于眼科超声生物显微镜的弧线扫描探头及使用方法
WO2021225368A1 (fr) * 2020-05-08 2021-11-11 (주)아이엠지티 Tête de traitement ultrasonore et procédé d'imagerie et de traitement ultrasonore l'utilisant

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070026151A (ko) * 2005-08-30 2007-03-08 초음파기술 주식회사 기계적으로 스캐닝되는 초음파 트랜스듀서용 모터 구동기구
KR20090033446A (ko) * 2006-07-20 2009-04-03 파나소닉 주식회사 초음파 탐촉자
JP2009195305A (ja) * 2008-02-19 2009-09-03 Nippon Dempa Kogyo Co Ltd 超音波探触子
KR20110122481A (ko) * 2010-05-04 2011-11-10 경북대학교 산학협력단 심장 진단용 초음파 트랜스듀서
KR20130011238A (ko) * 2011-07-21 2013-01-30 (주) 엠큐브테크놀로지 단일 모터를 이용한 초음파 트랜스듀서 구동 장치

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101643084B1 (ko) * 2015-02-05 2016-07-27 경북대학교 산학협력단 의료용 초음파 트랜스듀서의 구동 기구

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20070026151A (ko) * 2005-08-30 2007-03-08 초음파기술 주식회사 기계적으로 스캐닝되는 초음파 트랜스듀서용 모터 구동기구
KR20090033446A (ko) * 2006-07-20 2009-04-03 파나소닉 주식회사 초음파 탐촉자
JP2009195305A (ja) * 2008-02-19 2009-09-03 Nippon Dempa Kogyo Co Ltd 超音波探触子
KR20110122481A (ko) * 2010-05-04 2011-11-10 경북대학교 산학협력단 심장 진단용 초음파 트랜스듀서
KR20130011238A (ko) * 2011-07-21 2013-01-30 (주) 엠큐브테크놀로지 단일 모터를 이용한 초음파 트랜스듀서 구동 장치

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109965907A (zh) * 2019-04-30 2019-07-05 中国医学科学院生物医学工程研究所 一种用于眼科超声生物显微镜的弧线扫描探头及使用方法
CN109965907B (zh) * 2019-04-30 2024-07-05 中国医学科学院生物医学工程研究所 一种用于眼科超声生物显微镜的弧线扫描探头及使用方法
WO2021225368A1 (fr) * 2020-05-08 2021-11-11 (주)아이엠지티 Tête de traitement ultrasonore et procédé d'imagerie et de traitement ultrasonore l'utilisant

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KR20160096952A (ko) 2016-08-17
KR101726997B1 (ko) 2017-04-14

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