DE2653465A1 - Verfahren und vorrichtung fuer computer-tomographie - Google Patents
Verfahren und vorrichtung fuer computer-tomographieInfo
- Publication number
- DE2653465A1 DE2653465A1 DE19762653465 DE2653465A DE2653465A1 DE 2653465 A1 DE2653465 A1 DE 2653465A1 DE 19762653465 DE19762653465 DE 19762653465 DE 2653465 A DE2653465 A DE 2653465A DE 2653465 A1 DE2653465 A1 DE 2653465A1
- Authority
- DE
- Germany
- Prior art keywords
- ring
- signals
- elements
- absorption
- mentioned
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims description 34
- 238000002591 computed tomography Methods 0.000 title description 2
- 238000010521 absorption reaction Methods 0.000 claims description 124
- 230000005855 radiation Effects 0.000 claims description 43
- 239000011159 matrix material Substances 0.000 claims description 24
- 238000005259 measurement Methods 0.000 claims description 24
- 230000005251 gamma ray Effects 0.000 claims description 16
- 238000003860 storage Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000011835 investigation Methods 0.000 claims description 2
- 238000012360 testing method Methods 0.000 claims description 2
- 230000003321 amplification Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 238000009877 rendering Methods 0.000 claims 1
- 238000011160 research Methods 0.000 claims 1
- 238000001179 sorption measurement Methods 0.000 claims 1
- 230000007306 turnover Effects 0.000 claims 1
- 230000009102 absorption Effects 0.000 description 62
- 239000013078 crystal Substances 0.000 description 8
- 230000007423 decrease Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 238000005070 sampling Methods 0.000 description 6
- 238000003325 tomography Methods 0.000 description 6
- 238000004364 calculation method Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000001678 irradiating effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000013598 vector Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 229910052790 beryllium Inorganic materials 0.000 description 2
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 2
- 238000004590 computer program Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000013480 data collection Methods 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 208000014644 Brain disease Diseases 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 206010034016 Paronychia Diseases 0.000 description 1
- 241001377010 Pila Species 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000002583 angiography Methods 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/02—Arrangements for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computed tomography [CT]
- A61B6/032—Transmission computed tomography [CT]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
- A61B6/4435—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure
- A61B6/4441—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure the rigid structure being a C-arm or U-arm
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/42—Arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4208—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
- A61B6/4258—Arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector for detecting non x-ray radiation, e.g. gamma radiation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4488—Means for cooling
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Medical Informatics (AREA)
- Optics & Photonics (AREA)
- Biomedical Technology (AREA)
- Biophysics (AREA)
- High Energy & Nuclear Physics (AREA)
- Veterinary Medicine (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Public Health (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- Theoretical Computer Science (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US63516575A | 1975-11-25 | 1975-11-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2653465A1 true DE2653465A1 (de) | 1977-06-08 |
Family
ID=24546712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19762653465 Withdrawn DE2653465A1 (de) | 1975-11-25 | 1976-11-25 | Verfahren und vorrichtung fuer computer-tomographie |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5279681A (it) |
| BE (1) | BE848715A (it) |
| CA (1) | CA1071773A (it) |
| DE (1) | DE2653465A1 (it) |
| FR (1) | FR2333253A1 (it) |
| GB (2) | GB1571489A (it) |
| IL (1) | IL50969A (it) |
| IT (1) | IT1069995B (it) |
| NL (1) | NL7612959A (it) |
| SE (1) | SE7613009L (it) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0036578A1 (de) * | 1980-03-17 | 1981-09-30 | Siemens Aktiengesellschaft | Strahlendiagnostikeinrichtung |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4433380A (en) * | 1975-11-25 | 1984-02-21 | Philips Medical Systems, Inc. | Tomographic scanner |
| DE2648132A1 (de) * | 1976-10-23 | 1978-04-27 | Philips Patentverwaltung | Verfahren und anordnung zur verminderung des einflusses von detektorfehlern bei roentgen-scannern |
| DE2723401A1 (de) * | 1977-05-24 | 1978-12-07 | Siemens Ag | Schichtgeraet zur herstellung von transversalschichtbildern |
| AU7986682A (en) * | 1981-02-12 | 1982-08-19 | New York University | Apparatus for stereotactic surgery |
| FR2514247A1 (fr) * | 1981-10-14 | 1983-04-15 | Selectrem Etu Applic Electro M | Tomographe bidirectionnel |
| DE10211016A1 (de) * | 2002-03-13 | 2003-09-25 | Philips Intellectual Property | Röntgengerät mit lageveränderlichem Röntgendetektor |
| KR101266893B1 (ko) | 2009-06-25 | 2013-05-24 | 가부시끼가이샤 요시다세이사쿠쇼 | Ｘ선 촬영장치 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1471531A (en) * | 1973-04-25 | 1977-04-27 | Emi Ltd | Radiography |
| GB1478123A (en) * | 1973-08-18 | 1977-06-29 | Emi Ltd | Tomography |
| JPS50109783A (it) * | 1974-01-31 | 1975-08-29 | ||
| DE2537333C3 (de) * | 1975-08-21 | 1982-10-28 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum Herstellen eines Körperschnittbildes aus der Absorptionsverteilung ionisierender Strahlen nach dem Faltungsverfahren und Einrichtung zur Durchführung des Verfahrens |
-
1976
- 1976-11-22 SE SE7613009A patent/SE7613009L/xx unknown
- 1976-11-22 NL NL7612959A patent/NL7612959A/xx not_active Application Discontinuation
- 1976-11-22 IT IT52297/76A patent/IT1069995B/it active
- 1976-11-23 IL IL50969A patent/IL50969A/xx unknown
- 1976-11-23 GB GB48789/76A patent/GB1571489A/en not_active Expired
- 1976-11-23 GB GB27100/79A patent/GB1571490A/en not_active Expired
- 1976-11-24 BE BE172672A patent/BE848715A/xx unknown
- 1976-11-25 DE DE19762653465 patent/DE2653465A1/de not_active Withdrawn
- 1976-11-25 JP JP51140814A patent/JPS5279681A/ja active Pending
- 1976-11-25 CA CA266,564A patent/CA1071773A/en not_active Expired
- 1976-11-25 FR FR7635546A patent/FR2333253A1/fr active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0036578A1 (de) * | 1980-03-17 | 1981-09-30 | Siemens Aktiengesellschaft | Strahlendiagnostikeinrichtung |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7612959A (nl) | 1977-05-27 |
| GB1571490A (en) | 1980-07-16 |
| BE848715A (fr) | 1977-05-24 |
| IT1069995B (it) | 1985-03-25 |
| FR2333253A1 (fr) | 1977-06-24 |
| IL50969A (en) | 1979-10-31 |
| SE7613009L (sv) | 1977-05-26 |
| JPS5279681A (en) | 1977-07-04 |
| IL50969A0 (en) | 1977-01-31 |
| CA1071773A (en) | 1980-02-12 |
| GB1571489A (en) | 1980-07-16 |
| FR2333253B1 (it) | 1982-05-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| 8139 | Disposal/non-payment of the annual fee |