JPH0165045U - - Google Patents
Info
- Publication number
- JPH0165045U JPH0165045U JP1987161012U JP16101287U JPH0165045U JP H0165045 U JPH0165045 U JP H0165045U JP 1987161012 U JP1987161012 U JP 1987161012U JP 16101287 U JP16101287 U JP 16101287U JP H0165045 U JPH0165045 U JP H0165045U
- Authority
- JP
- Japan
- Prior art keywords
- collimator
- division
- position detection
- glass fiber
- detection mechanism
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 1
Description
第１図は本考案の一実施例の多分割コリメータ
位置検出機構の縦断面図、第２図は第１図の横断
面図、第３図は放射線装置の側面図である。
１……多分割コリメータ、２……ラツクギヤ、
３……ピニオン、４……モータ、５……グラスフ
アイバーケーブル、５Ａ……発受光面保持器、６
……発光器、７……受光器、８……放射線発生部
、９……Ｘ線束、１０……照射部、１１……照射
ヘツド部、１２……放射線装置。
FIG. 1 is a longitudinal cross-sectional view of a multi-segment collimator position detection mechanism according to an embodiment of the present invention, FIG. 2 is a cross-sectional view of FIG. 1, and FIG. 3 is a side view of a radiation device. 1...Multi-segment collimator, 2...Rack gear,
3...Pinion, 4...Motor, 5...Glass fiber cable, 5A...Light emitting/receiving surface holder, 6
. . . Emitter, 7 . . . Light receiver, 8 . . . Radiation generating section, 9 . . . X-ray flux, 10 .
Claims (1)
一方の系統には発光器を他の系統には受光器をそ
れぞれ取付け、該グラスフアイバーケーブルの他
端の発受光面を多分割コリメータの移動量に対応
して該多分割コリメータに設けた等間隔の凸凹部
に近接させて設置し、該凸凹部の反射光を検出す
ることを特徴とする放射線装置の多分割コリメー
タ位置検出機構。 A light emitter is attached to one end of the two systems of the glass fiber cable, and a light receiver is installed to the other system, and the light emitting/receiving surface at the other end of the glass fiber cable is adjusted to correspond to the amount of movement of the multi-segment collimator. A multi-division collimator position detection mechanism for a radiological apparatus, characterized in that the multi-division collimator position detection mechanism is installed close to equally spaced uneven parts provided on the multi-division collimator, and detects reflected light from the uneven parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987161012U JPH0165045U (en) | 1987-10-20 | 1987-10-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987161012U JPH0165045U (en) | 1987-10-20 | 1987-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0165045U true JPH0165045U (en) | 1989-04-26 |
Family
ID=31443583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987161012U Pending JPH0165045U (en) | 1987-10-20 | 1987-10-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0165045U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008229324A (en) * | 2007-02-23 | 2008-10-02 | Toshiba Corp | Radiotherapeutic apparatus |
| JPWO2015107660A1 (en) * | 2014-01-16 | 2017-03-23 | 三菱重工業株式会社 | Multi-leaf collimator and radiation therapy apparatus |
-
1987
- 1987-10-20 JP JP1987161012U patent/JPH0165045U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008229324A (en) * | 2007-02-23 | 2008-10-02 | Toshiba Corp | Radiotherapeutic apparatus |
| JPWO2015107660A1 (en) * | 2014-01-16 | 2017-03-23 | 三菱重工業株式会社 | Multi-leaf collimator and radiation therapy apparatus |
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