JP2014230600A - X線ct装置およびx線ct装置用x線検出器 - Google Patents
X線ct装置およびx線ct装置用x線検出器 Download PDFInfo
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- JP2014230600A JP2014230600A JP2013112143A JP2013112143A JP2014230600A JP 2014230600 A JP2014230600 A JP 2014230600A JP 2013112143 A JP2013112143 A JP 2013112143A JP 2013112143 A JP2013112143 A JP 2013112143A JP 2014230600 A JP2014230600 A JP 2014230600A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 118
- 238000006243 chemical reaction Methods 0.000 claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 238000004891 communication Methods 0.000 claims abstract description 12
- 230000005855 radiation Effects 0.000 abstract 1
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- 239000000758 substrate Substances 0.000 description 7
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- 238000003384 imaging method Methods 0.000 description 4
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- 230000003287 optical effect Effects 0.000 description 2
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- 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
- A61B6/56—Details of data transmission or power supply, e.g. use of slip rings
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- 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
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- 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]
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- 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
- A61B6/42—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis
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- 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
- A61B6/42—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4208—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B6/4208—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
- A61B6/4233—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector using matrix detectors
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
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- A61B6/42—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis
- A61B6/4208—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector
- A61B6/4241—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a particular type of detector using energy resolving detectors, e.g. photon counting
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- A61B6/4266—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for detecting radiation specially adapted for radiation diagnosis characterised by using a plurality of detector units
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- A—HUMAN NECESSITIES
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- 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
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- 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
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- 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
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- A61B6/566—Details of data transmission or power supply, e.g. use of slip rings involving communication between diagnostic systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
- G01T1/2914—Measurement of spatial distribution of radiation
- G01T1/2985—In depth localisation, e.g. using positron emitters; Tomographic imaging (longitudinal and transverse section imaging; apparatus for radiation diagnosis sequentially in different planes, steroscopic radiation diagnosis)
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- A61B6/03—Computerised tomographs
- A61B6/032—Transmission computed tomography [CT]
- A61B6/035—Mechanical aspects of CT
Abstract
Description
1a・・・架台
1b・・・コンソール
1c・・・回転部
1d・・・固定部
2・・・システム制御部
3・・・架台制御伝送部
4・・・X線照射部
5・・・X線検出器
6・・・検出部
7・・・信号増幅部
8・・・A/D変換部
9・・・伝送制御部
10・・・データ送信部
11・・・データ受信部
12・・・画像再構成部
13・・・画像記憶部
14・・・表示部
15・・・入力部
16・・・寝台
17・・・回転部駆動機構
20・・・筐体
21・・・シンチレータ
22・・・フォトダイオードチップ
23・・・DASチップ
24・・・基板
25・・・データ転送用電波送信部
26・・・シールド
27・・・電力供給用電波受信部
28・・・蓄電池
29・・・バックプレーン
30・・・データ転送用電波受信部
31・・・電力供給用電波送信部
32・・・位置決めピン
33・・・FPC
34・・・コネクタ上部
35・・・コネクタ下部
41・・・モジュール
Claims (8)
- X線照射部から照射されたX線を検出し、アナログ信号を生成する検出部と、
前記検出部で生成されたアナログ信号に基づいてデジタル信号を生成するA/D変換部と、
前記A/D変換部で生成されたデジタル信号をデータ送信部に送信する伝送制御部と、
前記検出部と前記A/D変換部の間、前記A/D変換部と前記伝送制御部の間、前記伝送制御部と前記データ送信部の間のうち少なくとも一部における信号の送受信を無線で行う無線通信手段と、
を具備するX線検出器を備えたX線CT装置。 - 前記X線検出器は、前記検出部と前記A/D変換部の間、前記A/D変換部と前記伝送制御部の間、前記伝送制御部と前記データ送信部の間のうち少なくとも一部における電力の供給を無線で行う無線電力供給手段を備える請求項1に記載のX線CT装置。
- 前記無線通信手段は、少なくとも前記伝送制御部と前記データ送信部の間における信号の送受信を無線で行う請求項1又は2に記載のX線CT装置。
- 前記無線電力供給手段は、少なくとも前記伝送制御部と前記データ送信部の間における電力の供給を無線で行う請求項1乃至3のうちいずれか一つに記載のX線CT装置。
- X線照射部から照射されたX線を検出し、アナログ信号を生成する検出部と、
前記検出部で生成されたアナログ信号に基づいてデジタル信号を生成するA/D変換部と、
前記A/D変換部で生成されたデジタル信号をデータ送信部に送信する伝送制御部と、
前記検出部と前記A/D変換部の間、前記A/D変換部と前記伝送制御部の間、前記伝送制御部と前記データ送信部の間のうち少なくとも一部における信号の送受信を無線で行う無線通信手段と、
を具備するX線CT装置用X線検出器。 - 前記検出部と前記A/D変換部の間、前記A/D変換部と前記伝送制御部の間、前記伝送制御部と前記データ送信部の間のうち少なくとも一部における電力の供給を無線で行う無線電力供給手段を備える請求項5に記載のX線CT装置用X線検出器。
- 前記無線通信手段は、少なくとも前記伝送制御部と前記データ送信部の間における信号の送受信を無線で行う請求項5又は6に記載のX線CT装置用X線検出器。
- 前記無線電力供給手段は、少なくとも前記伝送制御部と前記データ送信部の間における電力の供給を無線で行う請求項5乃至7のうちいずれか一つに記載のX線CT装置用X線検出器。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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JP2013112143A JP2014230600A (ja) | 2013-05-28 | 2013-05-28 | X線ct装置およびx線ct装置用x線検出器 |
PCT/JP2014/061515 WO2014192471A1 (ja) | 2013-05-28 | 2014-04-24 | X線ct装置およびx線検出器 |
US14/941,952 US10588593B2 (en) | 2013-05-28 | 2015-11-16 | X-ray CT apparatus and X-ray detector |
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JP2013112143A JP2014230600A (ja) | 2013-05-28 | 2013-05-28 | X線ct装置およびx線ct装置用x線検出器 |
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JP2014230600A true JP2014230600A (ja) | 2014-12-11 |
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JP2013112143A Pending JP2014230600A (ja) | 2013-05-28 | 2013-05-28 | X線ct装置およびx線ct装置用x線検出器 |
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US (1) | US10588593B2 (ja) |
JP (1) | JP2014230600A (ja) |
WO (1) | WO2014192471A1 (ja) |
Cited By (3)
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JP2017130891A (ja) * | 2016-01-22 | 2017-07-27 | キヤノン株式会社 | 放射線撮像装置、放射線撮像装置の制御方法、放射線撮像システム |
JPWO2016140021A1 (ja) * | 2015-03-05 | 2017-12-14 | 三井金属鉱業株式会社 | セラミックス円筒形ターゲット材および円筒形スパッタリングターゲット |
JP2021023662A (ja) * | 2019-08-07 | 2021-02-22 | キヤノンメディカルシステムズ株式会社 | X線ct装置 |
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JP7166833B2 (ja) * | 2018-08-03 | 2022-11-08 | キヤノンメディカルシステムズ株式会社 | 放射線検出器及び放射線検出器モジュール |
CN112260764B (zh) * | 2020-10-19 | 2022-04-01 | 中国核动力研究设计院 | 基于旋转放射源的通信系统及方法 |
CN117042694A (zh) * | 2021-03-11 | 2023-11-10 | 国立大学法人静冈大学 | 放射线拍摄装置 |
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JP2021023662A (ja) * | 2019-08-07 | 2021-02-22 | キヤノンメディカルシステムズ株式会社 | X線ct装置 |
JP7269823B2 (ja) | 2019-08-07 | 2023-05-09 | キヤノンメディカルシステムズ株式会社 | X線ct装置 |
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