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WO2020062273A1 - Sonde ultrasonore - Google Patents

Sonde ultrasonore Download PDF

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Publication number
WO2020062273A1
WO2020062273A1 PCT/CN2018/109174 CN2018109174W WO2020062273A1 WO 2020062273 A1 WO2020062273 A1 WO 2020062273A1 CN 2018109174 W CN2018109174 W CN 2018109174W WO 2020062273 A1 WO2020062273 A1 WO 2020062273A1
Authority
WO
WIPO (PCT)
Prior art keywords
layer
ceramic
ultrasonic probe
reinforcing
thermally conductive
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/CN2018/109174
Other languages
English (en)
Chinese (zh)
Inventor
王金池
吴飞
白乐云
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.)
Shenzhen Mindray Bio Medical Electronics Co Ltd
Shenzhen Mindray Scientific Co Ltd
Original Assignee
Shenzhen Mindray Bio Medical Electronics Co Ltd
Shenzhen Mindray Scientific 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 Shenzhen Mindray Bio Medical Electronics Co Ltd, Shenzhen Mindray Scientific Co Ltd filed Critical Shenzhen Mindray Bio Medical Electronics Co Ltd
Priority to PCT/CN2018/109174 priority Critical patent/WO2020062273A1/fr
Publication of WO2020062273A1 publication Critical patent/WO2020062273A1/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

Definitions

  • the present application relates to the technical field of medical devices, and in particular, to an ultrasonic probe.
  • Ultrasound probes are an important part of ultrasound diagnostic imaging equipment.
  • plastic is used as the probe housing material. Because the ultrasonic probe often needs to be coated with couplant during use, and often needs to be sterilized, etc., the plastic shell is in such an environment for a long time, which is prone to aging, yellowing, cracking, etc., which affects the appearance and use of the probe.
  • the working principle of the ultrasound probe is to use the piezoelectric effect to convert the excitation electric pulse signal of the entire ultrasound machine into an ultrasound signal and enter the patient's body, and then convert the ultrasound echo signal reflected by the tissue into an electrical signal, thereby achieving tissue detection.
  • the working ultrasonic probe will generate a large amount of heat, which will cause the temperature of the probe to rise.
  • the thermal conductivity of plastic is generally low, which is not conducive to the heat dissipation of the ultrasonic probe.
  • the housing material of ultrasonic probes is required to have good permeability to wireless signals, but the performance of plastic housings is average.
  • plastic materials are increasingly difficult to meet the user's needs for product texture and aesthetics.
  • an ultrasound probe which includes a sound window, a matching layer, a piezoelectric layer, a backing block, and a probe housing.
  • the matching layer, the piezoelectric layer, and the backing block are sequentially connected to a rear end of the sound window, and At least a part of the sound window, the matching layer, the piezoelectric layer, and the backing block is disposed inside the probe housing, and the probe housing includes a tough ceramic layer.
  • the tough ceramic is a zirconia ceramic.
  • the probe housing further includes a reinforcing layer, and the reinforcing layer is disposed on an inner surface of the ceramic layer.
  • the probe housing further includes a thermally conductive layer, and the thermally conductive layer is disposed on an inner surface of the ceramic layer.
  • the probe housing further includes a reinforcing layer and a thermally conductive layer, and the reinforcing layer and the thermally conductive layer are both disposed on an inner surface of the ceramic layer.
  • one side of the reinforcement layer is attached to the inner surface of the ceramic shell, and the other side of the reinforcement layer is attached to the thermally conductive layer.
  • the probe housing further includes a reinforcing layer and a thermally conductive layer.
  • the reinforcing layer is disposed on an outer surface of the ceramic layer
  • the thermally conductive layer is disposed on an inner surface of the ceramic layer.
  • one side of the reinforcing layer is bonded to an outer surface of the ceramic layer, and one side of the thermally conductive layer is bonded to an inner surface of the ceramic layer.
  • the reinforcing layer is one or more fiber composite materials.
  • the fiber composite material is a carbon fiber composite material.
  • the thermally conductive layer is one or more metal sheets or flexible graphite films.
  • the tough ceramic layer is made of tough ceramic reinforced with reinforcing fibers.
  • the reinforcing fibers are carbon fibers or glass fibers.
  • a tough ceramic material is used as the probe housing, which has a high fracture toughness.
  • the tough ceramic material has very excellent chemical resistance and other characteristics, and is not easy to be damaged in harsh environments such as coupling agents, disinfection and sterilization agents, and ultraviolet light for a long time.
  • the tough ceramic material also has a higher thermal conductivity than plastic, which is beneficial to the heat dissipation of the ultrasonic probe.
  • the tough ceramic material also has better wireless signal penetration than plastic, which is beneficial to the transmission of wireless probe signals.
  • the use of the ceramic shell with a warm and smooth texture can improve the user's experience when holding the probe, and improve the overall grade of the probe.
  • FIG. 1 is a sectional view of an ultrasonic probe in an embodiment
  • FIG. 2 is a partial cross-sectional view of an ultrasound probe in an embodiment
  • FIG. 3 is a partial cross-sectional view of an ultrasound probe in an embodiment
  • FIG. 5 is a partial cross-sectional view of an ultrasonic probe in an embodiment.
  • An embodiment of the present invention provides an ultrasonic probe.
  • the ultrasonic probe housing includes a tough ceramic layer, and the tough ceramic material has excellent characteristics such as high hardness, high strength, high toughness, and chemical resistance.
  • the tough ceramic material also has a higher thermal conductivity than plastic, which is beneficial to the heat dissipation of the ultrasonic probe.
  • the tough ceramic material also has better wireless signal penetration than plastic, which is beneficial to the transmission of wireless probe signals.
  • the ceramic case has a good texture, which can improve the user's experience when holding the probe, and improve the overall grade of the probe.
  • the ultrasonic probe of this embodiment mainly includes an acoustic window 5, a matching layer 6, a piezoelectric layer 7, a backing block 8, and a probe housing 1.
  • the layer 7 and the backing block 8 are sequentially connected at the rear end of the sound window, and at least some of the sound window, the matching layer, the piezoelectric layer, and the backing block are disposed inside the probe housing.
  • the probe housing 1 includes a tough ceramic layer 2.
  • the tough ceramic may be a zirconia ceramic, and of course, other suitable tough ceramics may also be selected.
  • the ceramic layer 2 can be prepared by the following methods: raw materials are made into a green body through a stamping molding or an injection molding process, and then debonding, sintering, shaping processing, and polishing the outer surface to prepare the ceramic layer 2. In addition, it can be prepared by other methods.
  • the shape, size, etc. of the sound window can be designed according to actual conditions.
  • the acoustic window can also play a role of focusing ultrasound waves, which can be called an acoustic lens at this time.
  • the ultrasound probe housing 1 may further include a reinforcing layer 3, which is disposed on the inner surface of the ceramic layer 2; in addition, other reinforcing structures may be provided.
  • the reinforcing layer may be one or more fiber composite materials, and of course, other suitable materials having a reinforcing effect may be selected; the fiber composite materials may be carbon fiber composite materials. This can further increase the strength of the ultrasound probe housing and improve its performance.
  • a specific preparation method may be as follows: a compression-enhancing layer 3 is poured into the inner surface of the ceramic casing 2. In addition, it can be prepared by other methods.
  • the ultrasound probe housing 1 may further include a thermally conductive layer 4 disposed on the inner surface of the ceramic layer 2; in addition, other thermally conductive structures may be provided.
  • the thermally conductive layer 4 is a metal sheet or a flexible graphite film, preferably a flexible graphite film. This can improve the heat dissipation performance of the ceramic casing.
  • a specific preparation method may be as follows: an inner surface of the ceramic casing 2 is bonded with a heat conductive layer by glue. In addition, it can be prepared by other methods.
  • the probe housing may further include a reinforcing layer 3 and a thermally conductive layer 4, and the reinforcing layer 3 and the thermally conductive layer 4 are simultaneously provided on the inner surface of the ceramic layer 2.
  • one side of the reinforcing layer 3 may be attached to the inner surface of the ceramic casing 2, and the other side of the reinforcing layer 3 may be attached to the thermally conductive layer 4.
  • the shape, number of layers, and size (such as thickness) of the reinforcing layer and the thermally conductive layer can be adjusted according to the actual application. This can further increase the strength of the probe housing and improve its heat dissipation performance.
  • a specific preparation method may be as follows: a pressure-reinforced reinforcing layer 3 is poured into the inner surface of the ceramic casing 2, and then the heat-conducting layer 4 is glued on the inner surface of the reinforcing layer 3 by glue. In addition, it can be prepared by other methods.
  • the probe housing 1 may further include a reinforcing layer and a thermally conductive layer.
  • the reinforcing layer is disposed on the outer surface of the ceramic layer
  • the thermally conductive layer is disposed on the inner surface of the ceramic layer.
  • One side of the reinforcing layer may be attached to the outer surface of the ceramic layer, and one side of the thermally conductive layer may be attached to the inner surface of the ceramic layer. This can further increase the strength of the probe housing and improve its heat dissipation performance.
  • the tough ceramic layer may be made of tough ceramic reinforced with reinforcing fibers.
  • the reinforcing fibers may be carbon fibers or glass fibers. This can further improve the strength of the probe housing.

Landscapes

  • 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)
  • Transducers For Ultrasonic Waves (AREA)

Abstract

La présente invention concerne une sonde ultrasonore qui comprend une fenêtre acoustique (5), une couche d'adaptation (6), une couche piézoélectrique (7), un bloc de support (8) et un boîtier de sonde (1). La couche d'adaptation (6), la couche piézoélectrique (7) et le bloc de support (8) sont séquentiellement liés à une extrémité arrière de la fenêtre acoustique (5). Au moins une partie de la fenêtre acoustique (5), de la couche d'adaptation (6), de la couche piézoélectrique (7) et du bloc de support (8) sont disposées à l'intérieur du boîtier de sonde (1). Le boîtier de sonde (1) est constitué d'un matériau céramique élastique. Le matériau céramique élastique présente une rigidité, une résistance et une élasticité élevées, et est résistant à la corrosion chimique. Le matériau céramique élastique a un coefficient de conductivité thermique plus élevé et plus de substance que les matériaux plastiques, et permet aux signaux sans fil de pénétrer plus efficacement, ce qui améliore considérablement les performances du produit, et améliore l'expérience de l'utilisateur.
PCT/CN2018/109174 2018-09-30 2018-09-30 Sonde ultrasonore Ceased WO2020062273A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/109174 WO2020062273A1 (fr) 2018-09-30 2018-09-30 Sonde ultrasonore

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2018/109174 WO2020062273A1 (fr) 2018-09-30 2018-09-30 Sonde ultrasonore

Publications (1)

Publication Number Publication Date
WO2020062273A1 true WO2020062273A1 (fr) 2020-04-02

Family

ID=69950233

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/109174 Ceased WO2020062273A1 (fr) 2018-09-30 2018-09-30 Sonde ultrasonore

Country Status (1)

Country Link
WO (1) WO2020062273A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210330291A1 (en) * 2020-04-28 2021-10-28 General Electric Company Ultrasonic probe and ultrasonic apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030125629A1 (en) * 2002-01-02 2003-07-03 Ustuner E. Tuncay Ultrasound system and method
CN102183797A (zh) * 2011-03-04 2011-09-14 西安交通大学 一种适用于生物微管的超声波气泡检测装置
CN202569222U (zh) * 2012-05-22 2012-12-05 贾其磊 一种前列腺冲击波治疗探头
CN103142244A (zh) * 2011-12-07 2013-06-12 深圳迈瑞生物医疗电子股份有限公司 一种超声探头
CN104983413A (zh) * 2015-07-03 2015-10-21 林昌军 一种用于人体组织压力监测的传感器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030125629A1 (en) * 2002-01-02 2003-07-03 Ustuner E. Tuncay Ultrasound system and method
CN102183797A (zh) * 2011-03-04 2011-09-14 西安交通大学 一种适用于生物微管的超声波气泡检测装置
CN103142244A (zh) * 2011-12-07 2013-06-12 深圳迈瑞生物医疗电子股份有限公司 一种超声探头
CN202569222U (zh) * 2012-05-22 2012-12-05 贾其磊 一种前列腺冲击波治疗探头
CN104983413A (zh) * 2015-07-03 2015-10-21 林昌军 一种用于人体组织压力监测的传感器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210330291A1 (en) * 2020-04-28 2021-10-28 General Electric Company Ultrasonic probe and ultrasonic apparatus

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