JPH01105880U - - Google Patents
Info
- Publication number
- JPH01105880U JPH01105880U JP176588U JP176588U JPH01105880U JP H01105880 U JPH01105880 U JP H01105880U JP 176588 U JP176588 U JP 176588U JP 176588 U JP176588 U JP 176588U JP H01105880 U JPH01105880 U JP H01105880U
- Authority
- JP
- Japan
- Prior art keywords
- main body
- body part
- contact part
- thickness
- groove
- 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.)
- Granted
Links
- 238000005259 measurement Methods 0.000 claims 1
- 230000005855 radiation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案に係るシールドコリメータの一
実施例の斜視図、第２図は第１図に示すシールド
コリメータを用いたポジトロンカメラの概略構成
図、第３図、第４図はそれぞれ本考案のシールド
コリメータの変形例を示す図、第５図、第６図は
それぞれ従来のシールドコリメータを用いたポジ
トロンカメラの斜視図、概略構成図である。
１，２０，３０……シールドコリメータ、２…
…開口、３，４……本体部、５，６，２１，２２
，３１，３２……当接部、７，８，２３，２４，
３３，３４……溝、ｄ……本体部の厚さ、ｄ′…
…当接部の厚さ。
Fig. 1 is a perspective view of an embodiment of the shield collimator according to the present invention, Fig. 2 is a schematic configuration diagram of a positron camera using the shield collimator shown in Fig. 1, and Figs. 3 and 4 are respectively the invention according to the present invention. 5 and 6 are respectively a perspective view and a schematic configuration diagram of a positron camera using a conventional shield collimator. 1, 20, 30...shield collimator, 2...
...Opening, 3, 4...Main body, 5, 6, 21, 22
, 31, 32... contact portion, 7, 8, 23, 24,
33, 34...groove, d...thickness of main body, d'...
...Thickness of the contact part.
Claims (1)
して開口を形成する当接部とを備え、前記当接部
は、前記本体部よりも放射線シールド効果の高い
材料で形成され、厚さが前記本体部に比べて薄く
なるよう測定視野外の部分の入る側に溝を形成し
ていることを特徴とするシールドコリメータ。 comprising a main body part and a contact part formed between the main body parts and cooperating with the main body part to form an opening, the contact part being formed of a material with a higher radiation shielding effect than the main body part, A shield collimator characterized in that a groove is formed on the side where a portion outside the measurement field enters so that the thickness is thinner than the main body portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP176588U JPH0543425Y2 (en) | 1988-01-11 | 1988-01-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP176588U JPH0543425Y2 (en) | 1988-01-11 | 1988-01-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01105880U true JPH01105880U (en) | 1989-07-17 |
| JPH0543425Y2 JPH0543425Y2 (en) | 1993-11-01 |
Family
ID=31201938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP176588U Expired - Lifetime JPH0543425Y2 (en) | 1988-01-11 | 1988-01-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0543425Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013092453A (en) * | 2011-10-26 | 2013-05-16 | Shimadzu Corp | Radiographic device for breast medical examination |
-
1988
- 1988-01-11 JP JP176588U patent/JPH0543425Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013092453A (en) * | 2011-10-26 | 2013-05-16 | Shimadzu Corp | Radiographic device for breast medical examination |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0543425Y2 (en) | 1993-11-01 |