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Double-water tank bone broadband ultrasonic attenuation (BUA) image measuring device

A technology of imaging measurement and double sinks, which is applied in ultrasonic/sonic/infrasonic diagnosis, solid analysis using sound wave/ultrasonic/infrasonic wave, sound wave diagnosis, etc. It can solve problems affecting measurement accuracy and frequency characteristics of ultrasonic sensors, and improve repeatability sexual effect

Inactive Publication Date: 2011-08-24
UNIV OF SCI & TECH OF CHINA
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the different degrees of extrusion of the ultrasonic transceiver probe, the frequency characteristics of the ultrasonic sensor are affected, thereby affecting the measurement accuracy
In addition, this device limits the movement of the sensor or the measurement sample, so that the system can only measure the BUA value at the fixed position of the sample

Method used

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  • Double-water tank bone broadband ultrasonic attenuation (BUA) image measuring device
  • Double-water tank bone broadband ultrasonic attenuation (BUA) image measuring device
  • Double-water tank bone broadband ultrasonic attenuation (BUA) image measuring device

Examples

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Embodiment Construction

[0011] The specific embodiments of the present invention will be described below in conjunction with the accompanying drawings. The ultrasonic transmitting probe [1] and the ultrasonic receiving probe [6] are respectively placed in the water of the front sink [2] and the rear sink [5]. First, fill the water bladder [3] with water so that it is in contact with the wall of the water tank in the bone sample [4], the front tank [2] and the back tank [5] without gaps, and then the ultrasonic transmitting probe [1] emits ultrasonic waves. Propagated in media such as water, tank walls, and bone samples [4], the ultrasonic receiving probe [6] converts the received ultrasonic penetration signal into an electrical signal, which is converted by receiving a high-frequency amplifier and analog-to-digital (A / D) Converter [8] into a digital signal, and then converted into BUA by data processing and BUA calculation unit [9], and finally the BUA projection image output unit [10] outputs the re...

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Abstract

The invention discloses a bone broadband ultrasonic attenuation (BUA) imaging method. A double-water tank measuring device is adopted; a sending sensor and a transmitting sensor are respectively arranged in two water tanks; a measured sample is arranged between the two water tanks; and a water sac is adopted to make the sample and the two water tanks in gapless contact. Because the sensors are not extruded by the water sac and frequency characteristics are not changed during measurement, BUA measuring precision is improved. In addition, the sensors in the water tanks can conveniently move, soany position of the sample can be measured and a BUA image is formed by measuring BUA at different positions.

Description

Technical field: [0001] The invention belongs to the application field of medical ultrasound, and realizes the imaging of bone broadband ultrasonic attenuation BUA by using a double water tank measuring device to measure the absorption characteristic of bone to ultrasonic waves. Background technique: [0002] Osteoporosis (Osteoporosis, referred to as: OP) is a common problem faced by the elderly. Since there is no effective and safe method to cure OP, timely and accurate early diagnosis of OP has become a research hotspot in various countries. The main indicator reflecting OP is bone mineral density (BMD). At present, the detection of bone (mineral) density using quantitative ultrasound technology (Quantitative Ultrasonic technique, QUS) is a non-invasive innovative technology. QUS uses the change of Broadband ultrasound attenuation (BUA for short) to reflect the bone (mineral) density, and can reflect the information of bone trabecular structure. [0003] The traditional ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B8/00G01N29/06
Inventor 彭虎
Owner UNIV OF SCI & TECH OF CHINA
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