JPS6244248U - - Google Patents
Info
- Publication number
- JPS6244248U JPS6244248U JP13506385U JP13506385U JPS6244248U JP S6244248 U JPS6244248 U JP S6244248U JP 13506385 U JP13506385 U JP 13506385U JP 13506385 U JP13506385 U JP 13506385U JP S6244248 U JPS6244248 U JP S6244248U
- Authority
- JP
- Japan
- Prior art keywords
- conical part
- cylindrical
- determining
- positioning bar
- conical
- 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
- 238000005481 NMR spectroscopy Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Magnetic Resonance Imaging Apparatus (AREA)
Description
第１図は本考案に係る任意傾斜断面測定用フア
ントムの一実施例を示す縦断面図、第２図は第１
図のフアントムの平面図、第３図は第１図のフア
ントムを設置した状態を示す概略斜視図、第４図
ａはＸ―Ｚ面で撮影した場合の断面像、第４図ｂ
は任意傾斜断面像である。第５図ａ，ｂ，ｃはそ
れぞれ傾き角θ、回転角δ、位置移動量ｙｍを示
す説明図、第６図ａ，ｂ，ｃは断層像から、傾き
角、回転角の求め方を示す説明図、第７図ａ，ｂ
は断層像から位置移動量の求め方を示す説明図で
ある。
１…円筒部、２…位置決めバー、３…円錐部、
４…核磁気共鳴信号を出し得る物質、５…底板、
６…天板、７…筒壁、８…頂点、９…中空部。
FIG. 1 is a longitudinal sectional view showing an embodiment of the phantom for measuring arbitrary inclined cross sections according to the present invention, and FIG.
Figure 3 is a schematic perspective view showing the installed state of the phantom in Figure 1, Figure 4 a is a cross-sectional image taken in the X-Z plane, Figure 4 b
is an arbitrary inclined cross-sectional image. Figures 5a, b, and c are explanatory diagrams showing the tilt angle θ, rotation angle δ, and positional movement amount y m , respectively. Figures 6 a, b, and c show how to determine the tilt angle and rotation angle from tomographic images. Explanatory drawings shown in Figure 7 a, b
FIG. 2 is an explanatory diagram showing how to determine the amount of positional movement from a tomographic image. 1... Cylindrical part, 2... Positioning bar, 3... Conical part,
4... Substance capable of emitting nuclear magnetic resonance signals, 5... Bottom plate,
6...Top plate, 7...Cylinder wall, 8...Vertex, 9...Hollow part.
Claims (1)
めるための位置決めバーと位置移動量ｙｍを求め
るための円錐部を備え、該円錐部は中空状であり
、円錐部頂点と円錐部底面の円中心を結ぶ直線が
円筒部の軸心と一致するように位置決め固定され
、該位置決めバーは円筒部の軸心と平行に、かつ
円筒部内の筒面付近に位置決め固定されるととも
に、円筒部の壁面と円錐部の壁面の間の空間と円
錐部の中空部に核磁気共鳴信号を出し得る物質を
充填したことを特徴とする任意傾斜断面測定用フ
アントム。 It includes a cylindrical part for determining the inclination angle θ, a positioning bar for determining the rotation angle δ, and a conical part for determining the positional movement amount y m , and the conical part is hollow and has a conical part apex and a conical part bottom. The positioning bar is positioned and fixed so that the straight line connecting the centers of the circles coincides with the axis of the cylindrical part, and the positioning bar is positioned and fixed parallel to the axis of the cylindrical part and near the cylindrical surface within the cylindrical part. 1. A phantom for measuring an arbitrary inclined cross section, characterized in that the space between the wall surface of the conical part and the hollow part of the conical part is filled with a substance capable of emitting a nuclear magnetic resonance signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13506385U JPS6244248U (en) | 1985-09-05 | 1985-09-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13506385U JPS6244248U (en) | 1985-09-05 | 1985-09-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6244248U true JPS6244248U (en) | 1987-03-17 |
Family
ID=31036891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13506385U Pending JPS6244248U (en) | 1985-09-05 | 1985-09-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6244248U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH026701A (en) * | 1988-06-23 | 1990-01-10 | Hitachi Ltd | Inspecting device for non-destructive cross sectional shape |
-
1985
- 1985-09-05 JP JP13506385U patent/JPS6244248U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH026701A (en) * | 1988-06-23 | 1990-01-10 | Hitachi Ltd | Inspecting device for non-destructive cross sectional shape |
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