| Project/Area Number |
02557004
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| Research Category |
Grant-in-Aid for Developmental Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
General physiology
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| Research Institution | Nagano National College of Technology |
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Principal Investigator |
SAKAGUCHI Masao Nagano National College of Technology, Dept. of Mechanical Engineering, Professor, 機械工学科, 教授 (70043031)
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| Co-Investigator(Kenkyū-buntansha) |
ONO Nobuyuki Nagano National College of Technology, Dept. of Mechanical Engineering, Assistan, 機械工学科, 助手 (60214186)
NAKAZIMA Takayuki Nagano National College of Technology, Dept. of Mechanical Engineering, Assistan, 機械工学科, 助手 (50198090)
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| Project Period (FY) |
1990 – 1991
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| Project Status |
Completed (Fiscal Year 1991)
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| Budget Amount *help |
¥1,200,000 (Direct Cost: ¥1,200,000)
Fiscal Year 1991: ¥300,000 (Direct Cost: ¥300,000)
Fiscal Year 1990: ¥900,000 (Direct Cost: ¥900,000)
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| Keywords | X-ray CT / X-ray Sensitive Image Sensor / Arteriosclerosis / Vascular Elastic Modulus / Circumferential Tention / Biomechanics / Noradrenalin / Smooth Mascle / 高血圧 / 血管壁 |
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| Research Abstract |
We have designed and constructed a new X-ray computer-tmwaphic system (CT), by use of a high resolving power and stability of the X-ray and visible light sensitive image sensor. The present device consists of the following four parts : 1) an X-ray generator, a visible light source and the control circuits, 2) an X-ray and visible light sensitive image sensor and the video signal processing circuits, 3) a domestic-made meaning table to move X-ray generator and image sensor in a circumferential direction to the sample and 4) a FFT signal enalizer and personal computer system.
The distinct feature of the new apparatus is summalized as follows.
(1) The device is inexpensive, a simple structure, and easy to use.
(2) The minimum cross-sectional area detected by this apparatus 38.47mm^2 in principle.
(3) Invisible samples of 0.25-12.8mm in width and its outer and inner diameter can be measured by the X-ray and visible light sensitive image sensor with the resolving power of 25mum in principle, respectivity.
A few result of the preliminary application of this apparatus to canain renal arteries.
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