FI67465C - Installation foer aostadkommande av radiografiska skiktbilder - Google Patents
Installation foer aostadkommande av radiografiska skiktbilder Download PDFInfo
- Publication number
- FI67465C FI67465C FI811281A FI811281A FI67465C FI 67465 C FI67465 C FI 67465C FI 811281 A FI811281 A FI 811281A FI 811281 A FI811281 A FI 811281A FI 67465 C FI67465 C FI 67465C
- Authority
- FI
- Finland
- Prior art keywords
- springs
- information
- collimator
- installation
- slots
- Prior art date
Links
- 238000009434 installation Methods 0.000 title claims description 28
- 230000005855 radiation Effects 0.000 claims description 18
- 238000003384 imaging method Methods 0.000 claims description 17
- 238000012545 processing Methods 0.000 claims description 6
- 238000012800 visualization Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 230000001419 dependent effect Effects 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000004886 process control Methods 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 210000003423 ankle Anatomy 0.000 description 1
- 210000003414 extremity Anatomy 0.000 description 1
- 238000001093 holography Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000002601 radiography Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computerised tomographs
- A61B6/032—Transmission computed tomography [CT]
-
- A61B6/51—
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI811281A FI67465C (fi) | 1981-04-24 | 1981-04-24 | Installation foer aostadkommande av radiografiska skiktbilder |
| US06/370,615 US4481650A (en) | 1981-04-24 | 1982-04-22 | Installation for producing radiographic layer images |
| DE19823215280 DE3215280A1 (de) | 1981-04-24 | 1982-04-23 | Vorrichtung zum erzeugen radiografischer schichtbilder |
| JP57069447A JPS57180944A (en) | 1981-04-24 | 1982-04-24 | Tomograph apparatus |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI811281 | 1981-04-24 | ||
| FI811281A FI67465C (fi) | 1981-04-24 | 1981-04-24 | Installation foer aostadkommande av radiografiska skiktbilder |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI811281L FI811281L (fi) | 1982-10-25 |
| FI67465B FI67465B (fi) | 1984-11-30 |
| FI67465C true FI67465C (fi) | 1985-03-11 |
Family
ID=8514334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI811281A FI67465C (fi) | 1981-04-24 | 1981-04-24 | Installation foer aostadkommande av radiografiska skiktbilder |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4481650A (de) |
| JP (1) | JPS57180944A (de) |
| DE (1) | DE3215280A1 (de) |
| FI (1) | FI67465C (de) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4841555A (en) * | 1987-08-03 | 1989-06-20 | University Of Chicago | Method and system for removing scatter and veiling glate and other artifacts in digital radiography |
| JPH07119837B2 (ja) * | 1990-05-30 | 1995-12-20 | 株式会社日立製作所 | Ｃｔ装置及び透過装置並びにｘ線発生装置 |
| JP2978238B2 (ja) * | 1990-11-29 | 1999-11-15 | 株式会社日立製作所 | Ｃｔ装置 |
| US5214686A (en) * | 1991-12-13 | 1993-05-25 | Wake Forest University | Three-dimensional panoramic dental radiography method and apparatus which avoids the subject's spine |
| DE19731927A1 (de) * | 1997-07-24 | 1999-02-11 | Sirona Dental Systems Gmbh | Röntgendiagnostikgerät für Tomosynthese |
| US6671349B1 (en) | 2000-11-13 | 2003-12-30 | Olganix Corporation | Tomosynthesis system and registration method |
| US7433507B2 (en) * | 2003-07-03 | 2008-10-07 | Ge Medical Systems Global Technology Co. | Imaging chain for digital tomosynthesis on a flat panel detector |
| JP2014042564A (ja) * | 2012-08-24 | 2014-03-13 | Sony Corp | 画像処理装置、画像処理方法、および画像処理システム |
| FR3028168B1 (fr) * | 2014-11-07 | 2020-05-22 | Trophy | Appareil de tomographie numerique et procede associe |
| WO2023025825A1 (en) * | 2021-08-23 | 2023-03-02 | Varex Imaging Nederland B.V. | X-ray beam control apparatus |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3780291A (en) * | 1971-07-07 | 1973-12-18 | American Science & Eng Inc | Radiant energy imaging with scanning pencil beam |
| GB1568782A (en) * | 1976-02-28 | 1980-06-04 | Jeol Ltd | Apparatus for obtaining an x-ray image of a slice plane of an object |
| DE2622177A1 (de) * | 1976-05-19 | 1977-12-01 | Philips Patentverwaltung | Anordnung zur ermittlung der absorption einer strahlung in einer ebene eines koerpers |
| DE2712320A1 (de) * | 1977-03-21 | 1978-09-28 | Siemens Ag | Roentgendiagnostikeinrichtung fuer roentgenschichtbilder |
| US4179100A (en) * | 1977-08-01 | 1979-12-18 | University Of Pittsburgh | Radiography apparatus |
| US4277684A (en) * | 1977-08-18 | 1981-07-07 | U.S. Philips Corporation | X-Ray collimator, particularly for use in computerized axial tomography apparatus |
| DE2756659A1 (de) * | 1977-12-19 | 1979-06-21 | Philips Patentverwaltung | Anordnung zur bestimmung der absorptionsverteilung |
-
1981
- 1981-04-24 FI FI811281A patent/FI67465C/fi not_active IP Right Cessation
-
1982
- 1982-04-22 US US06/370,615 patent/US4481650A/en not_active Expired - Fee Related
- 1982-04-23 DE DE19823215280 patent/DE3215280A1/de not_active Withdrawn
- 1982-04-24 JP JP57069447A patent/JPS57180944A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57180944A (en) | 1982-11-08 |
| FI67465B (fi) | 1984-11-30 |
| FI811281L (fi) | 1982-10-25 |
| US4481650A (en) | 1984-11-06 |
| DE3215280A1 (de) | 1982-12-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed |
Owner name: INSTRUMENTARIUM OY |