Development of angiography system with cone-beam reconstruction using large-area flat panel detector

被引：11

作者：

Suzuki, K ^{[1
]}

Ikeda, S ^{[1
]}

Ueda, K ^{[1
]}

Nakamura, T ^{[1
]}

Okabe, M ^{[1
]}

Kadomura, T ^{[1
]}

Baba, R ^{[1
]}

Colbeth, RE ^{[1
]}

机构：

[1] Hitachi Med Corp, Chiba 2770804, Japan

来源：

MEDICAL IMAGING 2004: PHYSICS OF MEDICAL IMAGING, PTS 1 AND 2 | 2004年 / 5368卷

关键词：

cone-beam reconstruction; flat panel detector; angiography system; C-arm;

D O I：

10.1117/12.533993

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

A novel angiography system with cone-beam reconstruction using a large-area flat panel detector (FPD), with 40x30cm active area and 2048x1536 matrixes with a 194mum pixel pitch, has been developed. We present results on a basic performance, spatial resolution and contrast detectability obtained on this angiography system with cone-beam function using the FPD, and compare with a conventional angiography system with an image intensifier (I.I.) and charge-coupled device (CCD) camera. We'd achieved a fast acquisition, 15 seconds as for a subtraction mode by rotating a ceiling suspended C-arm at a speed of 40 degrees per second, and ensured a large reconstructed columnar volume, phi250mmx180mm, by using the large-area detector. As a result of the evaluation, the 3D image acquired from the FPD system has a high spatial resolution with no distortion and good contrast detectability.

引用

页码：488 / 498

页数：11

共 11 条

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