JPS61188760U - - Google Patents
Info
- Publication number
- JPS61188760U JPS61188760U JP7201985U JP7201985U JPS61188760U JP S61188760 U JPS61188760 U JP S61188760U JP 7201985 U JP7201985 U JP 7201985U JP 7201985 U JP7201985 U JP 7201985U JP S61188760 U JPS61188760 U JP S61188760U
- Authority
- JP
- Japan
- Prior art keywords
- aperture
- irradiation field
- variable resistor
- detection mechanism
- size correction
- 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 4
- 230000005855 radiation Effects 0.000 claims description 3
- 238000001959 radiotherapy Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案を適用した放射線発生部の概略
的な側面図、第２図は本考案の実施例に係る絞り
検出機構の概略図、第３図は本考案に係る可変抵
抗器の接続回路を示す図である。
１……絞り部、２……照射野寸法補正用カム、
３……スライダ、４……第１の可変抵抗器、５…
…第２の可変抵抗器、６……放射線発生部、７…
…照射野、９……絞り検出歯車。
Fig. 1 is a schematic side view of a radiation generating section to which the present invention is applied, Fig. 2 is a schematic diagram of an aperture detection mechanism according to an embodiment of the present invention, and Fig. 3 is a connection of a variable resistor according to the present invention. It is a diagram showing a circuit. 1...Aperture section, 2...Cam for irradiation field size correction,
3...Slider, 4...First variable resistor, 5...
...Second variable resistor, 6...Radiation generating section, 7...
...Irradiation field, 9...Aperture detection gear.
Claims (1)
るための絞り機構部の絞り検出機構において、絞
り部の円弧運動に連動した第１の可変抵抗器と、
前記絞り部の円弧運動に連動して回転する照射野
寸法補正用カムと、前記照射野寸法放正用カムの
カム従動棒に連結された第２の可変抵抗器とを有
することを特徴とする放射線治療装置の絞り検出
機構。 In the aperture detection mechanism of the aperture mechanism section for setting the radiation irradiation field according to the shape of the treatment affected area, a first variable resistor linked to the arcuate movement of the aperture section;
The irradiation field size correction cam rotates in conjunction with the circular arc movement of the diaphragm, and the second variable resistor is connected to a cam driven rod of the irradiation field size correction cam. Aperture detection mechanism for radiation therapy equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7201985U JPS61188760U (en) | 1985-05-15 | 1985-05-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7201985U JPS61188760U (en) | 1985-05-15 | 1985-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61188760U true JPS61188760U (en) | 1986-11-25 |
Family
ID=30610042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7201985U Pending JPS61188760U (en) | 1985-05-15 | 1985-05-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61188760U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4762417B2 (en) * | 1999-02-06 | 2011-08-31 | ドイチェス クレープスフォルシュングスツェントルム シュティフトゥング デス エッフェントリッヒェン レヒツ | Contour collimator for radiation therapy |
-
1985
- 1985-05-15 JP JP7201985U patent/JPS61188760U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4762417B2 (en) * | 1999-02-06 | 2011-08-31 | ドイチェス クレープスフォルシュングスツェントルム シュティフトゥング デス エッフェントリッヒェン レヒツ | Contour collimator for radiation therapy |