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

Katsumi Suzuki; Shigeyuki Ikeda; Ken Ueda; Tadashi Nakamura; Masakazu Okabe; Takayuki Kadomura; Rika Baba; Richard E. Colbeth

doi:10.1117/12.533993

6 May 2004 Development of angiography system with cone-beam reconstruction using large-area flat-panel detector

Katsumi Suzuki, Shigeyuki Ikeda, Ken Ueda, Tadashi Nakamura, Masakazu Okabe, Takayuki Kadomura, Rika Baba, Richard E. Colbeth

Author Affiliations +

Proceedings Volume 5368, Medical Imaging 2004: Physics of Medical Imaging; (2004) https://doi.org/10.1117/12.533993
Event: Medical Imaging 2004, 2004, San Diego, California, United States

Abstract

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 194μm 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, φ250mmx180mm, 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.

Citation Download Citation

Katsumi Suzuki, Shigeyuki Ikeda, Ken Ueda, Tadashi Nakamura, Masakazu Okabe, Takayuki Kadomura, Rika Baba, and Richard E. Colbeth "Development of angiography system with cone-beam reconstruction using large-area flat-panel detector", Proc. SPIE 5368, Medical Imaging 2004: Physics of Medical Imaging, (6 May 2004); https://doi.org/10.1117/12.533993

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