Ultrasound Tissue-Mimicking Materials using Oil Gel and Measurement of Their Characteristics

Kondo, Takeshi; Fujimoto, Hiroyuki

doi:10.1143/jjap.41.3598

Cited by 9 publications

(8 citation statements)

References 14 publications

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“…It is essential that chemical items utilized in the TMM are prepared in a planned method to be nearly equal to the acoustical properties of real tissue with attenuation and speed of sound of 1540 ± 30 m/s, <0.5 dB/cm at MHz, respectively. [ 1 2 3 ]…”

Section: Introductionmentioning

confidence: 99%

Chemical items used for preparing tissue-mimicking material of wall-less flow phantom for doppler ultrasound imaging

et al. 2018

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The wall-less flow phantoms with recognized acoustic features (attenuation and speed of sound), interior properties, and dimensions of tissue were prepared, calibrated, and characterized of Doppler ultrasound scanning demands tissue-mimicking materials (TMMs). TMM phantoms are commercially available and ready-made for medical ultrasound applications. Furthermore, the commercial TMM phantoms are proper for ultrasound purpose or estimation of diagnostic imaging techniques according to the chemical materials used for its preparation. However, preparing a desirable TMM for wall-less flow phantom using a specific chemical material according to the specific applications is required for different flow. In this review, TMM and wall-less flow phantoms prepared using different chemical materials and methods were described. The chemical materials used in Doppler ultrasound TMM and wall-less flow phantoms fabricated over the previous decades were of high interest in this review.

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Section: Introductionmentioning

confidence: 99%

Chemical items used for preparing tissue-mimicking material of wall-less flow phantom for doppler ultrasound imaging

et al. 2018

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“…1) The performance of Doppler ultrasound equipment can be evaluated with various test objects. [2][3][4][5][6][7][8][9][10][11][12][13][14][15] The test object with the structure shown in Fig. 1 is called a flow phantom.…”

Section: Introductionmentioning

confidence: 99%

Blood-mimicking fluid using glycols aqueous solution and their physical properties

Yoshida

Sato

Kondo

2014

Jpn. J. Appl. Phys.

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We present blood-mimicking fluids (BMFs) for the Doppler test object of medical ultrasound diagnostic instruments. Each of the acoustic velocity, density, and viscosity defined in the International Electrotechnical Commission (IEC) standard is given as a constant value. However, the viscosity of human blood depends greatly on the shear rate of the blood. In accurate studies using a specified flow phantom, therefore, the BMFs with the appropriate viscosity are required. To formulate fluids with the viscosity ranging from 4 to 30 mPa&s, we have developed a new fluid made of glycols and water-soluble silicone oil. We have used ethylene glycol, diethylene glycol, triechylene glycol, and poly(ethylene glycol) for the fluid. The glycols have different viscosities depending on their molecular weight and their acoustic velocity and density are almost the same. By selecting the glycol with the optimum molecular weight, the viscosity of the fluid could be set at the desired value and the acoustic properties of this fluid satisfied the values of the acoustic velocity and density defined by the IEC standard.

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“…1) The performance of Doppler ultrasound equipment can be evaluated with various test objects. [2][3][4][5][6][7][8][9][10][11][12] The test object with the structure shown in Fig. 1 is called a flow phantom and it has been practically used.…”

Section: Introductionmentioning

confidence: 99%

Blood-Mimicking Fluid for Testing Ultrasonic Diagnostic Instrument

Tanaka¹,

Yoshida²,

Sato³

et al. 2012

Jpn. J. Appl. Phys.

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We present a blood-mimicking fluid (BMF) for the Doppler test object of medical diagnostic instruments. Accurate measurement in a flow Doppler test requires a BMF that has the acoustic velocity and density defined in the International Electrotechnical Commission (IEC) standard, and furthermore, they must be stable over time. To formulate a fluid with the desired density and acoustic velocity, we have developed a new fluid made of glycerine and water-soluble silicone oil. The new BMF includes dispersed polystyrene particles as scatterers. The density of the liquid can be adjusted to maintain it at the same value as that of the polystyrene particles, thus ensuring neutral buoyancy of the particles. The MBF was stable over a period of 2 weeks, during which the density and acoustic velocity did not change.

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Ultrasound Tissue-Mimicking Materials using Oil Gel and Measurement of Their Characteristics

Cited by 9 publications

References 14 publications

Chemical items used for preparing tissue-mimicking material of wall-less flow phantom for doppler ultrasound imaging

Chemical items used for preparing tissue-mimicking material of wall-less flow phantom for doppler ultrasound imaging

Blood-mimicking fluid using glycols aqueous solution and their physical properties

Blood-Mimicking Fluid for Testing Ultrasonic Diagnostic Instrument

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