JPS58173536A - Radioactive ray irradiation display monitor - Google Patents
Radioactive ray irradiation display monitorInfo
- Publication number
- JPS58173536A JPS58173536A JP57058676A JP5867682A JPS58173536A JP S58173536 A JPS58173536 A JP S58173536A JP 57058676 A JP57058676 A JP 57058676A JP 5867682 A JP5867682 A JP 5867682A JP S58173536 A JPS58173536 A JP S58173536A
- Authority
- JP
- Japan
- Prior art keywords
- collimator
- monitor
- irradiation field
- display monitor
- ray irradiation
- 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
- 230000002285 radioactive effect Effects 0.000 title 1
- 230000005855 radiation Effects 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000003321 amplification Effects 0.000 description 5
- 238000003199 nucleic acid amplification method Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 1
- 238000001959 radiotherapy Methods 0.000 description 1
Landscapes
- Apparatus For Radiation Diagnosis (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
この発明は放射線治療装置等における放射線照射野表示
モニタに関するものである〇
従来、この種の装置として第１図に示すものがあり、放
射線源（１）から放射される放射線の照射野人を調整す
るためのコリメータ（３）をモータ１４）で移動させる
際、該モータ１４）に連動した可変抵抗器（５）により
その位置の変化を検出し、アナログ又はデジタルメータ
（６）で照射野人の大きさを表示していた。DETAILED DESCRIPTION OF THE INVENTION This invention relates to a radiation irradiation field display monitor in a radiation therapy device, etc. Conventionally, there is a device of this type as shown in FIG. When the collimator (3) for adjusting the field of radiation irradiation is moved by the motor 14), the change in its position is detected by the variable resistor (5) linked to the motor 14), and the change in the position is detected by the analog or digital meter (6). ) was used to display the size of the irradiated field person.
従来の放射線照射野表示モニタは以上のように構成され
、単に照射野の大きさのみを数値で表示するものであり
、監視用ＴＶは別個に設けられていた。このため被照射
体に対して放射線が正しく照射されているかどうかは不
明であるという欠点があった。The conventional radiation irradiation field display monitor is configured as described above, and simply displays only the size of the irradiation field numerically, and a monitoring TV is provided separately. For this reason, there is a drawback that it is unclear whether or not the radiation target is being irradiated correctly.
この発明は上記のような従来のものの欠点を除去するた
めになされたもので、コリメータ位置信号をうけて監視
用モニタＴＶ上に被写体と照射野とを同時＃ｃｊ！示す
ることをこより、正しい照射野を容易に確認できるも放
射線照射野表示モニタを提供することを目的としている
。This invention was made in order to eliminate the drawbacks of the conventional ones as described above, and it simultaneously displays the subject and the irradiation field on the monitoring monitor TV in response to the collimator position signal! Therefore, it is an object of the present invention to provide a radiation field display monitor that allows easy confirmation of the correct radiation field.
以下、この発明の一実施例を図について説明するＯ
第２図は本発明の一実施例による照射野表示モニタを示
す。図において、（１）は放射線源％（３）は照射野人
の大きさを調整するコリメータ、（４）はコリメータ（
３）を駆動するモータ、（５）はコリメータ（３）の位
置を検出する位置検出抵抗、（７）はコリメータ（３）
の横に設置されたＴＶカメラ、ａｎはこのＴＶカメラ（
７）からのビデオ信号を上記位置検出抵抗（５）からの
位置情報に応じて輝度変調する輝度変調回路、（８）は
照射野監視用モニタＴＶで、これは上記輝度変調回路α
Ｂからの入力信号により被照射体詔よび照射野の輪郭を
表示する。またα〔は一致回路で、これはモニタＴ Ｖ
＋８１からの同期信号と位置検出抵抗（５）からの位
置情報信号との一致を検出したとき該位置情報信号を輝
度変調回路ａＤに出力する。なお、増幅変換回路（９）
はＴＶカメラ（７）の角度に応じて・照射野Ａの実長を
修正できるよう信号変換を行なう増幅変換回路である◎
次に動作について説明する。Hereinafter, an embodiment of the present invention will be described with reference to the drawings. FIG. 2 shows an irradiation field display monitor according to an embodiment of the present invention. In the figure, (1) is the radiation source percentage (3) is the collimator that adjusts the size of the irradiated field person, and (4) is the collimator (
3) is a motor that drives the collimator (3), (5) is a position detection resistor that detects the position of the collimator (3), and (7) is the collimator (3).
The TV camera installed next to the , an is this TV camera (
A brightness modulation circuit that modulates the brightness of the video signal from 7) according to the position information from the position detection resistor (5), and (8) is a monitor TV for monitoring the irradiation field, which is the brightness modulation circuit α.
The outline of the object to be irradiated and the irradiation field are displayed based on the input signal from B. In addition, α [is a coincidence circuit, which is the monitor TV
When a match between the synchronization signal from +81 and the position information signal from the position detection resistor (5) is detected, the position information signal is output to the brightness modulation circuit aD. In addition, the amplification conversion circuit (9)
is an amplification conversion circuit that performs signal conversion so that the actual length of the irradiation field A can be corrected according to the angle of the TV camera (7).◎ Next, the operation will be explained.
ＴＶカメラ（７）で撮像されたビデオ信号は輝度変調回
路（社）を通してモニタＴ Ｖ ＋８１に入力され、被
写体が表示される。A video signal captured by a TV camera (7) is input to a monitor TV+81 through a brightness modulation circuit (Inc.), and the subject is displayed.
一方、コリメータ（３）の位置は位置検出抵抗（５）に
より検出され、増幅変換回路（９）を通って被写体の実
長を修正すべく信号変換され、モニタＴ Ｖ ＋８１か
らの同期信号との一致が一致回路（１（ｌにより検出さ
れ、一致したとき輝度変調回路α旧こ入力される。On the other hand, the position of the collimator (3) is detected by the position detection resistor (5), and the signal is converted to correct the actual length of the subject through the amplification conversion circuit (9), and the signal is converted to the synchronization signal from the monitor TV +81. A match is detected by the match circuit (1(l), and when there is a match, it is input to the brightness modulation circuit α.
この輝度変調回路０は上記一致回路αＧからの位置情報
信号に応じてＴＶカメラ（７）からのビデオ信号を輝度
変調し、モニタＴ Ｖ ［８１は被写体Ｂの像をモニタ
表示するが、その際照射野人については周囲と異なる高
い輝度て表示を行なう。This brightness modulation circuit 0 brightness-modulates the video signal from the TV camera (7) according to the position information signal from the coincidence circuit αG, and the monitor TV [81] displays the image of the subject B on the monitor. Persons in the irradiated field are displayed at a higher brightness level than their surroundings.
ここで、照射野はＸ方向、Ｙ方向の２方向によりそのエ
リアを調整するものであるから、Ｘ、 Ｙそれぞれの
コリメータ位置信号をモニタＴ Ｖ ＋８１の水平、ｌ
ｉｔ直同期信号に対応させ表示する事により、モニタＴ
Ｖ ＋８１上に照射野に相壱する輪郭が輝度変調され
表示される。Here, since the area of the irradiation field is adjusted in two directions, the X direction and the Y direction, the collimator position signals for each of the X and Y are monitored.
By displaying in response to the IT direct synchronization signal, the monitor
A contour corresponding to the irradiation field is displayed on V+81 with brightness modulation.
なお、本装置ではコリメータ（３）の横にカメラ（７）
を設け、増幅変換回路（９）で被写体の実長を修正する
ようにしているが、上記増幅変換回路（９）はカメラ（
７）の位置しだいでその修正度合が変わってくる。In addition, this device has a camera (7) next to the collimator (3).
is provided, and the actual length of the subject is corrected by the amplification conversion circuit (9), but the amplification conversion circuit (9) is
The degree of correction changes depending on the position of 7).
以上のように、この発明番とよればコリメータ位置信号
をうけてモニタＴＶに照射野と被写体とを同時に表示す
るようにしたので、照射野を正確にａ′認できる効果が
ある。As described above, according to this invention, the irradiation field and the subject are simultaneously displayed on the monitor TV in response to the collimator position signal, so that the irradiation field can be accurately recognized a'.
第１図は従来の照射野表示モニタを示す図−第２図はこ
の発明の一実施例による照射野光示モニタを示すブロッ
ク図である。
（３）・・・コリメータ、（５）・・・位置検出抵抗（
コリメータ位置検出手段） 、 ＋８１・・・モニタＴ
Ｖ。
なお図中同一符号は同−又は和尚部分を示す。
代理人 葛 野 信 −
第１図
第２図FIG. 1 is a diagram showing a conventional irradiation field display monitor, and FIG. 2 is a block diagram showing an irradiation field light display monitor according to an embodiment of the present invention. (3)... Collimator, (5)... Position detection resistor (
Collimator position detection means), +81...Monitor T
V. Note that the same reference numerals in the drawings indicate the same or similar parts. Agent Shin Kuzuno - Figure 1 Figure 2
Claims (1)
タと１このコリメータの位置を検出するコリメータ位置
検出手段と、このコリメータ位置検出手段からのコリメ
ータ位置信号をうけて照射野および被写体を同時に監視
嵌木するモニタテレビジョンとを備えたことを特徴とす
る放射線照射野表示モニタ＠(1) A collimator for adjusting the size of the radiation irradiation field; 1) A collimator position detection means for detecting the position of the collimator; and a collimator position signal from the collimator position detection means to simultaneously monitor the irradiation field and the subject. Radiation irradiation field display monitor @ characterized by being equipped with a monitor television that fits into the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57058676A JPS58173536A (en) | 1982-04-06 | 1982-04-06 | Radioactive ray irradiation display monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57058676A JPS58173536A (en) | 1982-04-06 | 1982-04-06 | Radioactive ray irradiation display monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58173536A true JPS58173536A (en) | 1983-10-12 |
Family
ID=13091173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57058676A Pending JPS58173536A (en) | 1982-04-06 | 1982-04-06 | Radioactive ray irradiation display monitor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58173536A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63197516U (en) * | 1987-02-16 | 1988-12-20 | ||
| JP2000333936A (en) * | 1999-05-31 | 2000-12-05 | Hitachi Medical Corp | X-ray photographing device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5494791A (en) * | 1978-01-12 | 1979-07-26 | Mitsubishi Electric Corp | Radiant ray curing device |
| JPS55131251A (en) * | 1979-03-28 | 1980-10-11 | Hitachi Ltd | Brake for rotary electric machine |
-
1982
- 1982-04-06 JP JP57058676A patent/JPS58173536A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5494791A (en) * | 1978-01-12 | 1979-07-26 | Mitsubishi Electric Corp | Radiant ray curing device |
| JPS55131251A (en) * | 1979-03-28 | 1980-10-11 | Hitachi Ltd | Brake for rotary electric machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63197516U (en) * | 1987-02-16 | 1988-12-20 | ||
| JP2000333936A (en) * | 1999-05-31 | 2000-12-05 | Hitachi Medical Corp | X-ray photographing device |
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