JPS646580U - - Google Patents
Info
- Publication number
- JPS646580U JPS646580U JP10107387U JP10107387U JPS646580U JP S646580 U JPS646580 U JP S646580U JP 10107387 U JP10107387 U JP 10107387U JP 10107387 U JP10107387 U JP 10107387U JP S646580 U JPS646580 U JP S646580U
- Authority
- JP
- Japan
- Prior art keywords
- collimator
- threaded
- taper screw
- helical taper
- helical
- 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
- 238000010586 diagram Methods 0.000 description 2
Description
第１図はこの考案にかかるリング型ＥＣＴ装置
のコリメータ装着装置の概要図、第２図はヘリカ
ルテーパネジを螺刻したボルトと雌ネジの例図、
第３図は従来のリング型ＥＣＴ装置で使用される
リング型コリメータを交換する場合の概略断面図
である。
１……コリメータ、２……コリメータ交換具、
３……コリメータ固定具、４，５……ヘリカルテ
ーパネジ（雌ネジ）、４Ａ，５Ａ……ヘリカルテ
ーパネジ（雄ネジ）。
Fig. 1 is a schematic diagram of the collimator mounting device of the ring type ECT device according to this invention, Fig. 2 is an example diagram of a bolt with a helical taper thread and a female thread,
FIG. 3 is a schematic cross-sectional view when replacing a ring-type collimator used in a conventional ring-type ECT device. 1...Collimator, 2...Collimator replacement tool,
3... Collimator fixture, 4, 5... Helical taper screw (female thread), 4A, 5A... Helical taper screw (male thread).
Claims (1)
逆ネジとなるヘリカルテーパネジを螺刻し、コリ
メータカートのコリメータ交換具とガントリ側の
コリメータ固定具に前記ヘリカルテーパネジと螺
合するヘリカルテーパネジを螺刻したことを特徴
とするリング型ＥＣＴ装置のコリメータ装着装置
。 On both ends of the inner circumference of the collimator, one helical taper screw is threaded in the opposite direction to the other, and a helical taper screw that is threaded into the collimator exchange tool of the collimator cart and the collimator fixing tool on the gantry side is threaded to engage with the helical taper screw. A collimator mounting device for a ring-type ECT device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10107387U JPS646580U (en) | 1987-06-30 | 1987-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10107387U JPS646580U (en) | 1987-06-30 | 1987-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS646580U true JPS646580U (en) | 1989-01-13 |
Family
ID=31329732
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10107387U Pending JPS646580U (en) | 1987-06-30 | 1987-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS646580U (en) |
-
1987
- 1987-06-30 JP JP10107387U patent/JPS646580U/ja active Pending