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Soft tissue cartilage boundary surface detection method, soft tissue cartilage boundary surface detection device

A detection method and detection device technology, applied in the direction of organ movement/change detection, diagnostic recording/measurement, sensors, etc.

Active Publication Date: 2017-09-22
FURUNO ELECTRIC CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

That is, the ultrasonic diagnostic apparatus of Patent Document 1 noninvasively diagnoses the state of cartilage

Method used

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  • Soft tissue cartilage boundary surface detection method, soft tissue cartilage boundary surface detection device
  • Soft tissue cartilage boundary surface detection method, soft tissue cartilage boundary surface detection device
  • Soft tissue cartilage boundary surface detection method, soft tissue cartilage boundary surface detection device

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Embodiment Construction

[0035] A soft tissue cartilage boundary surface detection method and a soft tissue cartilage boundary surface detection device according to an embodiment of the present invention will be described with reference to the drawings. figure 1 A block diagram showing the configuration of the soft tissue cartilage boundary detection device 10 according to the embodiment of the present invention. figure 2 It is a diagram showing how the probe 100 of the soft-tissue-cartilage boundary detection device 10 according to the present embodiment is installed with respect to a subject, figure 2 (A) shows the case of the first state (T=T1), figure 2 (B) shows the case of the second state (T=T2). In addition, in the following description, an example in which the probe 100 is moved is shown, but the following method or configuration can also be applied to the case of moving the subject. For example, a case where the probe 100 is brought into contact with the subject's knee, fixed, and the k...

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Abstract

[Problem] To accurate detect boundaries between soft tissue and cartilage non-invasively. [Solution] Echo data for first and second states are acquired (S101 and S102). On the basis of the echo data for the first and second states, echo data for a subchondral bone (911) in the first state and the second state are detected (S103). On the basis of the subchondral bone echo data for the first state and the second state, movement vectors for the subchondral bone echo data are detected (S104). On the basis of the movement vectors, alignment is performed between sample data for comparison of the echo data for the first state and the echo data for the second state (S105). Correlation coefficients for the echo data for the first state and the echo data for the second state, which are to be identical sample positions for comparison by way of alignment, are calculated (S106). Determinations are made of areas of high coefficients as cartilage and areas of low coefficients as soft tissue, and interfaces therebetween are detected (S107).

Description

technical field [0001] The invention relates to a soft tissue cartilage boundary detection method for detecting the boundary surface of cartilage and soft tissue with ultrasonic waves from the outside. Background technique [0002] Conventionally, various devices for generating information for diagnosing the state of cartilage have been proposed. For example, in the ultrasonic diagnostic apparatus of Patent Document 1, a probe for transmitting and receiving ultrasound is brought into contact with the surface of the knee, and the state of the cartilage is diagnosed using echo signals from the inside of the knee obtained by the probe. That is, the ultrasonic diagnostic apparatus of Patent Document 1 noninvasively diagnoses the state of cartilage. Furthermore, in the ultrasonic diagnostic apparatus disclosed in Patent Document 1, cartilage is detected using a difference in level (intensity) of echo signals in the depth direction. [0003] prior art literature [0004] patent...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B8/08
CPCA61B5/4514A61B8/0858A61B8/0875
Inventor 喜屋武弥
Owner FURUNO ELECTRIC CO LTD
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