JPH0220512U - - Google Patents
Info
- Publication number
- JPH0220512U JPH0220512U JP10001588U JP10001588U JPH0220512U JP H0220512 U JPH0220512 U JP H0220512U JP 10001588 U JP10001588 U JP 10001588U JP 10001588 U JP10001588 U JP 10001588U JP H0220512 U JPH0220512 U JP H0220512U
- Authority
- JP
- Japan
- Prior art keywords
- ray
- beams
- fan
- detection elements
- detector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Analysing Materials By The Use Of Radiation (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Description
第１図は本考案の１実施例を示した検出器素子
の配列例示図、第２図はＸ線ＣＴ装置の概略構成
図、第３図は従来例のフアンビームから平行ビー
ムへの処理説明図、第４図は従来例の等間隔補正
処理の説明図、第５図は検出器の信号電極とバイ
アス電極の関係説明図である。
１はＸ線管、２はＸ線検出器、３はＤＡＳ（デ
ータ・アクイジヨンシステム）、４はデータ処理
部、５は画像表示部である。
Fig. 1 is an exemplary diagram of the arrangement of detector elements showing one embodiment of the present invention, Fig. 2 is a schematic configuration diagram of an X-ray CT device, and Fig. 3 is an explanation of processing from a fan beam to a parallel beam in the conventional example. 4 is an explanatory diagram of the conventional equal interval correction process, and FIG. 5 is an explanatory diagram of the relationship between the signal electrode and the bias electrode of the detector. 1 is an X-ray tube, 2 is an X-ray detector, 3 is a DAS (data acquisition system), 4 is a data processing section, and 5 is an image display section.
Claims (1)
被検者体内を通過したこれらのフアンビームを多
数の検出素子からなる検出器により検出するＸ線
ＣＴ装置において、断層像再構成の過程でフアン
ビームから平行ビームへの補間処理が行なわれた
とき、その平行ビームが等間隔で入射する位置に
Ｘ線検出素子が配列されたＸ線検出器を具備して
いることを特徴とする、Ｘ線ＣＴ装置。 X-rays are emitted from the X-ray source in a fan beam shape,
In an X-ray CT system that detects these Fan beams that have passed through the subject's body using a detector consisting of a large number of detection elements, when interpolation processing from Fan beams to parallel beams is performed in the process of tomographic image reconstruction. , an X-ray CT apparatus comprising an X-ray detector in which X-ray detection elements are arranged at positions where the parallel beams are incident at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10001588U JPH0220512U (en) | 1988-07-28 | 1988-07-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10001588U JPH0220512U (en) | 1988-07-28 | 1988-07-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0220512U true JPH0220512U (en) | 1990-02-09 |
Family
ID=31327705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10001588U Pending JPH0220512U (en) | 1988-07-28 | 1988-07-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0220512U (en) |
-
1988
- 1988-07-28 JP JP10001588U patent/JPH0220512U/ja active Pending
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