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Method and device for evaluating contact state of ultrasonic probe based on soft tissue morphology

A contact state, ultrasonic probe technology, used in blood flow measurement devices, ultrasonic/sonic/infrasonic diagnosis, sonic diagnosis, etc., can solve problems such as lack, achieve low professional requirements, reduce costs, and promote standardized operations.

Pending Publication Date: 2021-08-06
EIELING TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Therefore, in the field of ultrasonic testing technology, there is a lack of a mechanism that can specifically indicate the contact state of the ultrasonic probe with the body surface according to the individual differences in the measured tissue structure.

Method used

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  • Method and device for evaluating contact state of ultrasonic probe based on soft tissue morphology
  • Method and device for evaluating contact state of ultrasonic probe based on soft tissue morphology
  • Method and device for evaluating contact state of ultrasonic probe based on soft tissue morphology

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Experimental program
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Embodiment 1

[0040] see figure 1 , figure 1 It is a schematic flow chart of an embodiment of the method for evaluating the contact state of the ultrasonic probe based on the soft tissue morphology of the present invention. Such as figure 1 As shown, the method includes the steps of:

[0041] S11: collecting ultrasonic information of the morphological response of the measured object to different contact states;

[0042] In step S11, the measured object refers to any organ of a human body or an animal that can be imaged by ultrasound. Correspondingly, biological tissues that can be displayed in ultrasound images or signals include but are not limited to: the anatomical structures of soft tissues such as skin, subcutaneous fat, fascia, ligaments, blood vessels, nerves and muscles, and nearby bones and specific organs and other non-soft tissue anatomy.

[0043] Wherein, the contact state includes pressure and / or perpendicularity between the ultrasonic probe and the body surface of the mea...

Embodiment 2

[0083] see figure 2 , figure 2 It is a schematic flowchart of the second embodiment of the method for evaluating the contact state of the ultrasonic probe based on the morphology of the soft tissue of the present invention. Such as figure 2 As shown, the difference between this method and the method in Embodiment 1 is that it also includes step S27: comparing the forecast value with the preset condition, and generating a corresponding instruction according to the instantaneous comparison result. Wherein, step S27 is executed synchronously with step S25.

[0084] The preset condition can be a preset value (that is, a single value K), or a preset value range (that is, a certain range of values ​​K±K 1constitute). In the specific implementation, according to the relationship between the predicted value calculated by the current frame of ultrasound image and the preset condition, the instantaneous comparison result is obtained, and it is judged whether the contact state of ...

Embodiment 3

[0090] see image 3 , image 3 It is a schematic flow chart of the third embodiment of the method for evaluating the contact state of the ultrasonic probe based on the soft tissue morphology of the present invention. The application scenario of this embodiment is: the skin surface of the measured object is uneven or the position of the measured object is superficial. Using the sound guide pad can not only effectively improve the fit between the ultrasonic probe and the skin, but also improve the near-field resolution. to enhance image quality. Before the implementation of the method of this embodiment, the operator first places the sound-conducting pad on the skin surface of the measured object, and places the ultrasonic probe on the surface of the sound-conducting pad above the measured object. Such as image 3 As shown, the method includes the steps of:

[0091] S31: collecting ultrasonic information of morphological responses of the sound-conducting pad and the measured...

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Abstract

The invention discloses a method and device for evaluating a contact state of an ultrasonic probe based on soft tissue morphology. The method comprises the following steps: S11, acquiring ultrasonic information of a detected object to form responses of different contact states; S12, based on features of the soft tissue in the ultrasonic information and boundary features of the soft tissue, identifying a boundary position of the soft tissue in the ultrasonic information; S13, determining a region of interest and a sampling sub-region in the region of interest based on the boundary position and a preset region division condition; S14, extracting morphological parameters of the soft tissue from the selected region of interest; S15, according to the morphological parameters, calculating a forecast value representing the contact state of the probe by using the at least one soft tissue morphological response; and S16, converting the forecast value into an indication signal which changes along with time. The method and the device are based on an existing ultrasonic imaging equipment, and according to the method and the device, a contact state of a probe can be accurately calculated without changing hardware by adopting a software technical means, and operation of an operator is facilitated.

Description

technical field [0001] The invention relates to the technical field of ultrasonic testing, in particular to a method and device for evaluating the contact state of an ultrasonic probe based on soft tissue morphology. Background technique [0002] Whether it is ultrasonic testing for diagnostic purposes or ultrasonic physical therapy for therapeutic purposes, the contact status of medical ultrasonic probes is an important factor affecting quality control. The contact state usually includes the pressure and perpendicularity between the ultrasonic probe and the surface of the human body. For therapeutic ultrasound, the efficacy depends on the intensity of the ultrasound finally entering the body, which is related to the fit of the probe to the skin. For diagnostic ultrasound, the contact state of the probe can significantly affect the imaging performance and the reliability of the functional measurement results. Especially for quantitative ultrasound, standardized work (ie, m...

Claims

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Application Information

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IPC IPC(8): A61B8/00A61B8/06
CPCA61B8/429A61B8/06A61B8/485
Inventor 黄子豪王立科郑永平郑乐勤
Owner EIELING TECH LTD
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