JPS62195786U - - Google Patents
Info
- Publication number
- JPS62195786U JPS62195786U JP8255586U JP8255586U JPS62195786U JP S62195786 U JPS62195786 U JP S62195786U JP 8255586 U JP8255586 U JP 8255586U JP 8255586 U JP8255586 U JP 8255586U JP S62195786 U JPS62195786 U JP S62195786U
- Authority
- JP
- Japan
- Prior art keywords
- scanning device
- divided
- collimator
- positron emission
- detector rings
- 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
- 238000002591 computed tomography Methods 0.000 claims 4
- 230000005855 radiation Effects 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Apparatus For Radiation Diagnosis (AREA)
Description
第１図は本考案の一実施例を示すコリメータの
正面とその一部側面図、第２図は第１図に示す本
考案の作用を示す正面図、第３図は本考案の他の
実施例を示すコリメータの正面図とその一部側面
図、第４図はリングデイテクタとコリメータとの
配置関係を示す断面図、第５図は走査装置内のリ
ングデイテクタとコリメータの配置を示す断面図
である。
１…本体、３，３ａ，３ｂ，４…コリメータ、
５…螺番、６ａ，６ｂ…コリメータ、８…リング
デイテクタ、１３，１４…支持体、２０…スペー
サ。
Fig. 1 is a front view and a partial side view of a collimator showing one embodiment of the present invention, Fig. 2 is a front view showing the operation of the present invention shown in Fig. 1, and Fig. 3 is another embodiment of the present invention. A front view and a partial side view of a collimator as an example, FIG. 4 is a sectional view showing the arrangement relationship between the ring detector and the collimator, and FIG. 5 is a sectional view showing the arrangement of the ring detector and collimator in the scanning device. It is a diagram. 1...Main body, 3, 3a, 3b, 4...Collimator,
5... Thread, 6a, 6b... Collimator, 8... Ring detector, 13, 14... Support, 20... Spacer.
Claims (1)
検出器より成る放射線検出器環を複数並列配置す
るとともに、前記各放射線検出器環の間に配置さ
れた第一のコリメータ及び前記並列配置された検
出器環を挾んで両外側に配置された第二のコリメ
ータを有するポジトロンエミツシヨンＣＴ走査装
置において、前記第二のコリメータの一方又は両
方を複数部材に分割したことを特徴とするポジト
ロンエミツシヨンＣＴ走査装置。 ２ 前記分割された第二のコリメータは、分割部
分が厚さ方向に重なりを有して分割されたことを
特徴とする実用新案登録請求の範囲第１項記載の
ポジトロンエミツシヨンＣＴ走査装置。 ３ 前記分割された第二のコリメータの各部材は
走査装置のリングデイテクタ回転支持部へ開閉支
持構を介して支持されていることを特徴とする実
用新案登録請求の範囲第１項又は第２項記載のポ
ジトロンエミツシヨンＣＴ走査装置。[Claims for Utility Model Registration] 1. A plurality of radiation detector rings each consisting of a large number of radiation detectors arranged annularly in one plane are arranged in parallel, and a plurality of radiation detector rings are arranged in parallel between each of the radiation detector rings. In a positron emission CT scanning device having a first collimator and a second collimator disposed on both sides of the detector rings arranged in parallel, one or both of the second collimators is divided into a plurality of members. A positron emission CT scanning device characterized by: 2. The positron emission CT scanning device according to claim 1, wherein the divided second collimator is divided such that the divided portions overlap in the thickness direction. 3. Each member of the divided second collimator is supported by a ring detector rotating support part of a scanning device via an opening/closing support structure. Positron emission CT scanning device as described in 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8255586U JPS62195786U (en) | 1986-06-02 | 1986-06-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8255586U JPS62195786U (en) | 1986-06-02 | 1986-06-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62195786U true JPS62195786U (en) | 1987-12-12 |
Family
ID=30935322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8255586U Pending JPS62195786U (en) | 1986-06-02 | 1986-06-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62195786U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001174563A (en) * | 1999-12-15 | 2001-06-29 | Ge Yokogawa Medical Systems Ltd | X-ray detector and x-ray ct device |
-
1986
- 1986-06-02 JP JP8255586U patent/JPS62195786U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001174563A (en) * | 1999-12-15 | 2001-06-29 | Ge Yokogawa Medical Systems Ltd | X-ray detector and x-ray ct device |
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