DE2412161A1 - Anordnung zur bestimmung des kalziumgehaltes von knochen - Google Patents
Anordnung zur bestimmung des kalziumgehaltes von knochenInfo
- Publication number
- DE2412161A1 DE2412161A1 DE2412161A DE2412161A DE2412161A1 DE 2412161 A1 DE2412161 A1 DE 2412161A1 DE 2412161 A DE2412161 A DE 2412161A DE 2412161 A DE2412161 A DE 2412161A DE 2412161 A1 DE2412161 A1 DE 2412161A1
- Authority
- DE
- Germany
- Prior art keywords
- radiation
- arrangement according
- resistance wire
- bone
- calcium content
- 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
- 210000000988 bone and bone Anatomy 0.000 title claims description 25
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 title claims description 13
- 229910052791 calcium Inorganic materials 0.000 title claims description 13
- 239000011575 calcium Substances 0.000 title claims description 13
- 230000005855 radiation Effects 0.000 claims description 42
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- 210000001185 bone marrow Anatomy 0.000 claims description 6
- 239000007789 gas Substances 0.000 claims description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052790 beryllium Inorganic materials 0.000 claims description 2
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 229910021532 Calcite Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000005865 ionizing radiation Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 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
- A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
- A61B6/505—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for diagnosis of bone
-
- 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
- A61B6/022—Stereoscopic imaging
-
- 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
- A61B6/40—Arrangements for generating radiation specially adapted for radiation diagnosis
- A61B6/4007—Arrangements for generating radiation specially adapted for radiation diagnosis characterised by using a plurality of source units
- A61B6/4014—Arrangements for generating radiation specially adapted for radiation diagnosis characterised by using a plurality of source units arranged in multiple source-detector units
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
- H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
- H01J35/08—Anodes; Anti cathodes
- H01J35/112—Non-rotating anodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J47/00—Tubes for determining the presence, intensity, density or energy of radiation or particles
- H01J47/06—Proportional counter tubes
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Surgery (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- High Energy & Nuclear Physics (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Molecular Biology (AREA)
- Physics & Mathematics (AREA)
- Animal Behavior & Ethology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7309550A FR2221995A5 (enExample) | 1973-03-16 | 1973-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2412161A1 true DE2412161A1 (de) | 1974-09-19 |
Family
ID=9116425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2412161A Pending DE2412161A1 (de) | 1973-03-16 | 1974-03-14 | Anordnung zur bestimmung des kalziumgehaltes von knochen |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2412161A1 (enExample) |
| FR (1) | FR2221995A5 (enExample) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3726456A1 (de) * | 1986-08-15 | 1988-04-14 | Elscint Ltd | Verfahren und einrichtung zur messung der knochenmineraldichte |
| US4741008A (en) * | 1986-04-21 | 1988-04-26 | Siemens Aktiengesellschaft | Lithotriptor |
| WO1988008688A1 (en) * | 1987-05-15 | 1988-11-17 | Medical & Scientific Enterprises, Inc. | Radiological apparatus for measuring bone density |
| US5150394A (en) * | 1989-12-05 | 1992-09-22 | University Of Massachusetts Medical School | Dual-energy system for quantitative radiographic imaging |
| USRE34511E (en) * | 1987-05-15 | 1994-01-18 | Hologic, Inc. | Method of radiologically scanning the spine for measuring bone density |
| US5418373A (en) * | 1992-09-08 | 1995-05-23 | Fuji Photo Film Co., Ltd. | Method for forming radiation images |
| US5572998A (en) * | 1987-05-15 | 1996-11-12 | Hologic, Inc. | Method of scanning the spine of a patient to determine bone density along two different axes |
| US5762608A (en) * | 1987-05-15 | 1998-06-09 | Hologic, Inc. | Scanning x-ray imaging system with rotating c-arm |
| US6230036B1 (en) | 1987-05-15 | 2001-05-08 | Hologic, Inc. | System for radiologically scanning the spine for measuring bone density |
| US6445767B1 (en) | 1989-12-05 | 2002-09-03 | University Of Massachussetts Medical Center | System for quantitative radiographic imaging |
-
1973
- 1973-03-16 FR FR7309550A patent/FR2221995A5/fr not_active Expired
-
1974
- 1974-03-14 DE DE2412161A patent/DE2412161A1/de active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4741008A (en) * | 1986-04-21 | 1988-04-26 | Siemens Aktiengesellschaft | Lithotriptor |
| DE3726456A1 (de) * | 1986-08-15 | 1988-04-14 | Elscint Ltd | Verfahren und einrichtung zur messung der knochenmineraldichte |
| WO1988008688A1 (en) * | 1987-05-15 | 1988-11-17 | Medical & Scientific Enterprises, Inc. | Radiological apparatus for measuring bone density |
| USRE34511E (en) * | 1987-05-15 | 1994-01-18 | Hologic, Inc. | Method of radiologically scanning the spine for measuring bone density |
| US5572998A (en) * | 1987-05-15 | 1996-11-12 | Hologic, Inc. | Method of scanning the spine of a patient to determine bone density along two different axes |
| US5762608A (en) * | 1987-05-15 | 1998-06-09 | Hologic, Inc. | Scanning x-ray imaging system with rotating c-arm |
| US5891033A (en) * | 1987-05-15 | 1999-04-06 | Hologic, Inc. | System for radiologically scanning the spine for measuring bone density |
| US6230036B1 (en) | 1987-05-15 | 2001-05-08 | Hologic, Inc. | System for radiologically scanning the spine for measuring bone density |
| US5150394A (en) * | 1989-12-05 | 1992-09-22 | University Of Massachusetts Medical School | Dual-energy system for quantitative radiographic imaging |
| US6445767B1 (en) | 1989-12-05 | 2002-09-03 | University Of Massachussetts Medical Center | System for quantitative radiographic imaging |
| US5418373A (en) * | 1992-09-08 | 1995-05-23 | Fuji Photo Film Co., Ltd. | Method for forming radiation images |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2221995A5 (enExample) | 1974-10-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |