WO2015002276A1 - 医療用小型x線撮影装置 - Google Patents
医療用小型x線撮影装置 Download PDFInfo
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- WO2015002276A1 WO2015002276A1 PCT/JP2014/067825 JP2014067825W WO2015002276A1 WO 2015002276 A1 WO2015002276 A1 WO 2015002276A1 JP 2014067825 W JP2014067825 W JP 2014067825W WO 2015002276 A1 WO2015002276 A1 WO 2015002276A1
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- ray
- cold cathode
- carbon nanostructure
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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
- A61B6/54—Control of apparatus or devices for radiation diagnosis
- A61B6/542—Control of apparatus or devices for radiation diagnosis involving control of exposure
-
- 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
- A61B6/40—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment with arrangements for generating radiation specially adapted for radiation diagnosis
-
- 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
- A61B6/44—Constructional features of apparatus for radiation diagnosis
- A61B6/4405—Constructional features of apparatus for radiation diagnosis the apparatus being movable or portable, e.g. handheld or mounted on a trolley
-
- 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
-
- 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
- A61B6/58—Testing, adjusting or calibrating apparatus or devices for radiation diagnosis
- A61B6/587—Alignment of source unit to detector unit
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/02—Dosimeters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T7/00—Details of radiation-measuring instruments
-
- 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
- H01J35/06—Cathodes
- H01J35/065—Field emission, photo emission or secondary emission cathodes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05G—X-RAY TECHNIQUE
- H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
- H05G1/08—Electrical details
- H05G1/26—Measuring, controlling or protecting
- H05G1/30—Controlling
- H05G1/36—Temperature of anode; Brightness of image power
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2201/00—Electrodes common to discharge tubes
- H01J2201/30—Cold cathodes
- H01J2201/304—Field emission cathodes
- H01J2201/30446—Field emission cathodes characterised by the emitter material
- H01J2201/30453—Carbon types
- H01J2201/30469—Carbon nanotubes (CNTs)
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2235/00—X-ray tubes
- H01J2235/06—Cathode assembly
- H01J2235/062—Cold cathodes
Definitions
- the present invention relates to a portable medical X-ray imaging apparatus, and more particularly to a technique that can capture a clear X-ray image while ensuring low exposure and further extends the life of an X-ray source.
- Patent Documents 1-8 Several portable medical small X-ray imaging apparatuses such as Patent Documents 1-8 have been disclosed. For example, in Patent Document 4, miniaturization is realized by using a cold cathode electron source as an X-ray source.
- Non-Patent Document 1 and Patent Document 10 disclose cold cathode electron sources.
- Patent Document 9 discloses a technique related to the long life of a cold cathode.
- any portable medical X-ray imaging apparatus consideration is given to optimization of the X-ray dose for obtaining a clear X-ray image while ensuring low patient exposure, and to extending the life of the X-ray source. Absent. In the X-ray source, the cathode is deteriorated by use, and a predetermined radiation dose cannot be obtained even if a constant voltage is applied to the cathode. In such a situation, the X-ray source had to be replaced.
- Patent Document 9 discloses a technique for extending the life of a cold cathode. However, there is a problem in that a higher current than usual is required to activate the emitter.
- the present invention provides a small medical X-ray imaging apparatus that is portable, can capture a clear X-ray image while ensuring low exposure, and can extend the life of an X-ray source. It is intended.
- the present invention provides: (1) A portable X-ray imaging apparatus that can capture a clear X-ray image while ensuring low exposure, A carbon nanostructure triode cold cathode X-ray tube emitting X-rays; An X-ray image sensor that captures an X-ray image transmitted through the patient; Arranged between the carbon nanostructure triode cold cathode X-ray tube and the X-ray image sensor and not within the X-ray effective imaging area irradiated to the X-ray image sensor but within the range irradiated with the X-ray.
- a first detector for detecting an X-ray dose A second detector for detecting an X-ray dose disposed at a central portion of one side of the frame of the X-ray image sensor; A third detector for detecting an X-ray dose disposed at a position facing one side of the X-ray image sensor and sandwiching the detection surface of the X-ray image sensor; A power supply for supplying negative and positive high voltage pulses to the cathode and anode of the carbon nanostructure triode cold cathode X-ray tube, respectively; Obtain the detection data of the first, second, and third detectors and the distance information from the carbon nanostructure triode cold cathode X-ray tube to the X-ray image sensor, and the X-ray dose and attenuation Calculating the quantity, determining the optimal X-ray dose and carbon nanostructure triode cold cathode X-ray tube voltage for the patient, and the number of high voltage pulses of the carbon nanostructure triode cold cathode X-ray tube, An X
- the amount of decrease in the carbon nanostructure triode cold cathode X-ray tube current accompanying the deterioration of the carbon nanostructure triode cold cathode X-ray tube is calculated.
- an additional voltage that offsets the decrease in current of the carbon nanostructure triode cold cathode X-ray tube is added from the anode side voltage.
- the medical X-ray imaging apparatus according to (1) or (2), wherein the X-ray irradiation unit includes a detachable battery as a power source for the X-ray irradiation unit.
- a base including an AC / DC adapter having a cord and a plug connected to a commercial power source, an arm standing on the base and fitting the X-ray irradiation unit, and a lead wire connected to the AC / DC adapter And a holding base comprising a connector arranged at the arm end, Any one of (1) to (3), wherein the X-ray irradiation unit is fitted to the connector to hold the X-ray irradiation unit and supply commercial power to the X-ray irradiation unit It was set as the structure of the medical small X-ray imaging apparatus of description.
- the holding table is provided with a connector for connecting to the X-ray image sensor, the second detector, and the third detector, and the connector is connected to the X-ray imaging control device via wiring arranged in the arm. It is set as the structure of the medical small X-ray imaging apparatus as described in (4) characterized by performing.
- (6) The medical X-ray imaging apparatus according to any one of (1) to (5), wherein the X-ray imaging apparatus includes the carbon nanostructure triode cold cathode X-ray tube; did.
- the configuration was as follows.
- the present invention has the above configuration, the following effects are exhibited.
- the imaging unit can be reduced in size and energy can be saved. Furthermore, it can be made portable by integrating the X-ray source, the X-ray imaging control unit, and the power source.
- the X-ray imaging control unit is provided with feedback control, the exposure dose of the patient can be kept low and a clear X-ray image can be acquired.
- carbon nanostructure triode cold is compensated for by increasing the X-ray dose by reducing the X-ray dose and increasing the X-ray dose due to the aging deterioration associated with the use of the carbon nanostructure triode cold cathode X-ray tube.
- a holding stand equipped with an AC / DC adapter it can be used for indoor power supplies such as rounds and can be used for a long time.
- a medical small X-ray imaging apparatus 1 that is an example of the present invention includes an X-ray image sensor 2, a plurality of detectors, a holding table 4, an X-ray irradiation unit 5, a power source, and the like. , PC8.
- the X-ray image sensor 2 is placed on a base 4a of a holding base 4, on which an affected part of a patient to be X-rayed is placed and transmitted through the patient. A line is detected, data for displaying an X-ray image is acquired, a signal 2e of acquired data is transmitted to the X-ray imaging control device 6, and the PC 8 displays the X-ray image on the display based on the signal 2e.
- the X-ray image sensor 2 include a scintillator, a CCD, a CMOS, a CdTe semiconductor, and an imaging plate detector.
- the X-ray image sensor 2 is provided with a detection surface 2a for detecting an affected part transmitted X-ray, a frame 2b surrounding the periphery, and a handle 2c for carrying the frame 2b.
- the frame 2b is provided with a second detector 3b and a third detector 3d, which will be described later, exposed.
- the plurality of detectors includes a first detector 3, a second detector 3b, and a third detector 3d.
- the X-ray image sensor 2 and the first, second, and third detectors form an X-ray detection device group 2f shown in FIG.
- the first detector 3 is an X-ray irradiated between the carbon nanostructure triode cold cathode X-ray tube 5 a and the X-ray image sensor 2 and applied to the X-ray image sensor 2. It is arranged not within the effective imaging area 5n but within the range irradiated with X-rays 5m (outside the imaging area 5o), and detects the X-ray irradiation dose.
- the first detector 3 is preferably provided in the X-ray irradiation unit 5 and is always arranged at the predetermined position. For example, the first detector 3 is suspended from the X-ray irradiation unit 5 (hanging tool 3f in FIG. 6), which will be described later.
- a mechanism for locking and rotating the arm can be exemplified.
- the second detector 3b is arranged at the center of one side surface of the frame 2b of the X-ray image sensor 2, and detects the X-ray dose.
- the third detector 3d is disposed at a position facing one side of the frame 2b of the X-ray image sensor 2 and sandwiching the detection surface 2a of the X-ray image sensor 2, and detects the X-ray dose. .
- the various data signals 3a, 3c, and 3e detected are sent to the X-ray imaging control device 6 and used for feedback and X-ray dose stabilization control described later.
- the holding table 4 includes a base 4a including an AC / DC adapter 4g having a cord 4h and a plug 4e connected to a commercial power source, It consists of an arm to which the line irradiation unit 5 is fitted, and a connector that is connected to the AC / DC adapter 4g by a lead wire 4f and arranged at the end of the arm.
- the arm is composed of an upper arm 4b and a lower arm 4c that extend / contract or fold or connect at the connection portion 4d, and is compact and highly portable.
- a means for detecting the distance between the X-ray irradiation unit 5 and the X-ray image sensor 2 is provided by extending and contracting the arm. As the detection means, a laser distance meter, a gear measurement or the like can be exemplified. The detected result is output to the X-ray imaging control device 6 and used for feedback control.
- the AC / DC adapter 4g of the base 4a also serves as a weight and is arranged at a position where the X-ray irradiation unit 5 can be held. Since the lead wire 4f is wired inside the arm, the portability is further enhanced.
- the base 4a of the holding base 4 is provided with a connector 4i that connects to the X-ray image sensor 2, the second detector 3b, and the third detector 3d, and the connector 4i is disposed in the arm of the X-ray imaging control device 6.
- the connection is made through the wiring 4m.
- the base 4a is provided with an outlet 4k for supplying power to the X-ray image sensor 2, the second detector 3b, and the third detector 3d, and the outlet 4k is connected to a commercial power supply via an AC / DC adapter 4g. .
- the X-ray irradiation unit 5 By fitting the X-ray irradiation unit 5 to the arm end (connector), the X-ray irradiation unit 5 is held and commercial power is supplied (electrically connected) to the X-ray irradiation unit 5. Assembling is easy.
- a mechanism that prioritizes the supply of commercial power may be provided, or a power supply switch 7c that selects the battery 7b and the commercial power (AC / DC adapter). And a desired power source may be selected.
- the X-ray irradiation unit 5 is provided with a power supply switch 7c.
- the X-ray irradiation unit 5 includes a carbon nanostructure triode-type cold cathode X-ray tube 5a and an X-ray imaging control device 6, and is integrated with a detachable battery 7b. Increased portability.
- the X-ray imaging control device 6 may be a separate body.
- the carbon nanostructure triode cold cathode X-ray tube 5a is small in size, and the electrons 5e generated in the carbon nano cold cathode 5d on the cathode 5b side are transferred to the anode 5c side.
- the target 5f is irradiated to generate X-rays 5m and emitted from the irradiation port 5g.
- the principle and configuration of driving with a dry cell, a battery, and a commercial power source are described in detail in Patent Document 10 and Non-Patent Document 1.
- the power supply supplies negative and positive high voltage pulses to the cathode 5b and the anode 5c of the carbon nanostructure triode cold cathode X-ray tube 5a, respectively.
- the X-ray imaging control device 6 determines the detection data of the first, second, and third detectors 3, 3 b, and 3 d and the distance from the carbon nanostructure triode cold cathode X-ray tube 5 a to the X-ray image sensor 2. Obtain information, calculate X-ray dose and attenuation, determine optimal X-ray dose and voltage of carbon nanostructure triode cold cathode X-ray tube 5a for patient 10, and carbon nanostructure triode
- the feedback control shown in FIG. 4 for controlling the number of high voltage pulses of the cold cathode X-ray tube 5a, the pulse width, and the voltages of the cathode 5b and the anode 5c is controlled.
- the X-ray imaging control apparatus 6 performs various processes shown in FIG. 6 and stores various databases.
- the carbon nanostructure tripolar cold cathode X-ray tube 5a is stabilized (long life) based on the detection result of the first detector 3, as shown in FIG.
- the amount of current decrease in the carbon nanostructure triode cold cathode X-ray tube 5a accompanying the deterioration of the cathode X-ray tube 5a is calculated, and the amount of current decrease in the carbon nanostructure triode cold cathode X-ray tube 5a is calculated.
- the current value and X-ray dose of the cathode tube 5a can be stably generated for a long period of time.
- the X-ray irradiation amount from the carbon nanostructure triode cold cathode X-ray tube 5a is set to a specified value, and the carbon nanostructure triode cold cathode X-ray tube 5a
- the service life is long and economical.
- X-ray imaging starts when switch 7 is turned on.
- the carbon nanostructure triode cold cathode X-ray tube 5a is energized, and feedback control and other detectors are driven to capture an optimal X-ray image.
- the PC 8 obtains the X-ray image sensor 2, the first detector 3, the second detector 3b, the third detector 3d, and the acquired data signals 2e, 3a, 3c, 3e, and the X-ray imaging control device 6 (Communication 7a). Moreover, while controlling the setting of the X-ray imaging control apparatus 6, an X-ray imaging image can be displayed on a display in real time.
- the communication 7a and communication between the PC 8 and the X-ray imaging control apparatus 6 are wired or wireless.
- the X-ray irradiation unit 5 includes a control / recording mechanism such as a microcomputer 6a. As shown in FIG. 6, the operation panel 9 of the X-ray irradiation unit 5 has various buttons for setting X-ray imaging conditions. Is provided.
- Power is supplied to the X-ray imaging control device 6 by turning the power key switch 9a.
- the power lamp 9b is lit.
- the liquid crystal display 9c displays various settings and a battery remaining amount display 9r.
- voltage values on the anode side and the cathode side of the carbon nanostructure triode cold cathode X-ray tube corresponding to the optimum radiation dose of a typical imaging region are registered.
- the body shape setting button 9e is set with a typical body shape, and corrects the voltage value of the imaging region.
- the X-ray image sensor setting button 9f corrects a difference in different X-ray image sensor characteristics.
- the irradiation timer setting button 9o functions as an irradiation timer when evacuating to avoid unnecessary exposure of the X-ray photographer.
- the detector setting button 9p corrects a difference between different detector characteristics.
- the minus direction movement button 9h and the plus direction movement button 9i are capable of switching and selecting the item content display of the character display portion blinked on the liquid crystal display 9c.
- the X-ray irradiation display lamp 9k is turned on when X-rays are being irradiated in order to notify that X-rays are being irradiated.
- the confirmation button 9g is used when setting is confirmed, and the reset button 9q is used when setting is reset.
- the external remote terminal 9m is a connector for connecting the switch 7.
Abstract
Description
(1)
可搬式で、低被曝を確保しつつ鮮明なX線画像を撮影できるX線撮影装置であって、
X線を放射するカーボンナノ構造体三極式冷陰極X線管と、
患者を透過したX線画像を撮影するX線イメージセンサと、
前記カーボンナノ構造体三極式冷陰極X線管と前記X線イメージセンサの間でかつ前記X線イメージセンサに照射されるX線有効撮影エリアでなく前記X線が照射される範囲内に配置されX線照射量を検出する第一検出器と、
前記X線イメージセンサのフレームの一側面の中央部に配置したX線量を検出する第二検出器と、
前記X線イメージセンサのフレームの一側面であって前記X線イメージセンサの検出面を挟み前記第二検出器と対向する位置に配置したX線量を検出する第三検出器と、
前記カーボンナノ構造体三極式冷陰極X線管の陰極及び陽極にそれぞれ負及び正の高電圧パルスを供給する電源と、
前記第一、第二、第三検出器の検出データ及び前記カーボンナノ構造体三極式冷陰極X線管から前記X線イメージセンサまでの距離の情報を入手し、X線の照射量及び減衰量を計算し、患者に最適なX線量及カーボンナノ構造体三極式冷陰極X線管電圧を決定し、前記カーボンナノ構造体三極式冷陰極X線管の高電圧パルスのパルス数、パルス幅、陰極及び陽極の電圧を制御するフィードバック制御を備えるX線撮影制御装置と、
からなることを特徴とする医療用小型X線撮影装置の構成とした。
(2)
前記第一検出器の検出結果を基に、前記カーボンナノ構造体三極式冷陰極X線管の劣化に伴うカーボンナノ構造体三極式冷陰極X線管電流の減少量を算出し、前記カーボンナノ構造体三極式冷陰極X線管の電流の減少量分を相殺させる追加電圧を前記カーボンナノ構造体三極式冷陰極X線管の陰極側電極に加えて、陽極側電圧から追加分を減らすことにより設定したカーボンナノ構造体三極式冷陰極管電流値及びX線量を長期間安定に発生させることを特徴とする(1)に記載の医療用小型X線撮影装置の構成とした。
(3)
前記X線照射部に、X線照射部の電源である着脱式のバッテリを備えることを特徴とする(1)又は(2)に記載の医療用小型X線撮影装置の構成とした。
(4)
商用電源に接続するコード及びプラグを有するAC/DCアダプタを備える基台と、前記基台に立設し前記X線照射部を嵌着させるアームと、前記AC/DCアダプタにリード線で接続するとともにアーム端部に配置されたコネクタと、からなる保持台を備え、
前記X線照射部を前記コネクタに嵌着させることで、前記X線照射部を保持するとともに前記X線照射部に商用電源を供給することを特徴とする(1)~(3)の何れかに記載の医療用小型X線撮影装置の構成とした。
(5)
前記保持台に、前記X線イメージセンサ、第二検出器及び前記第三検出器と接続するコネクタを備え、前記コネクタが前記X線撮影制御装置に前記アーム内に配置された配線を介して接続することを特徴とする(4)に記載の医療用小型X線撮影装置の構成とした。
(6)
前記X線撮影装置に、前記カーボンナノ構造体三極式冷陰極X線管を備えることを特徴とする(1)~(5)の何れかに記載の医療用小型X線撮影装置の構成とした。
(7)
前記X線照射部に、前記商用電源又は前記バッテリからの電源供給を選択する電源切り換えスイッチを備えることを特徴とする(4)~(6)の何れかに記載の医療用小型X線撮影装置の構成とした。
2 X線イメージセンサ
2a 検出面
2b フレーム
2c 取っ手
2e 信号
2f X線検出装置群
3 第一検出器
3a 信号
3b 第二検出器
3c 信号
3d 第三検出器
3e 信号
3f 吊り下げ具
4 保持台
4a 基台
4b 上アーム
4c 下アーム
4d 接続部
4e プラグ
4f リード線
4g AC/DCアダプタ
4h コード
4i コネクタ
4k コンセント
4m 配線
5 X線照射部
5a カーボンナノ構造体三極式冷陰極X線管
5b 陰極
5c 陽極
5d カーボンナノ陰極
5e 電子
5f ターゲット
5g 照射口
5h 中間極
5i 孔
5k グランド
5m X線
5n X線有効撮影エリア
5o 撮影エリア外
5p 遮蔽部
5q 単三乾電池
6 X線撮影制御装置
7 スイッチ
7a 通信
7b バッテリ
7c 電源切り換えスイッチ
8 PC
8a X線撮影ソフトウエア
8c 制御信号
9 操作パネル
9a 電源キースイッチ
9b 電源ランプ
9c 液晶ディスプレイ
9d 撮影部位設定ボタン
9e 体型設定ボタン
9f X線イメージセンサ設定ボタン
9g 確定ボタン
9h マイナス方向移動ボタン
9i プラス方向移動ボタン
9k X線照射表示ランプ
9m 外部リモート端子
9n 各種機能設定選択ボタン
9o 照射タイマー設定ボタン
9p 検出器設定ボタン
9q リセットボタン
9r バッテリ残量表示
10 患者
Claims (7)
- 可搬式で、低被曝を確保しつつ鮮明なX線画像を撮影できるX線撮影装置であって、
X線を放射するカーボンナノ構造体三極式冷陰極X線管と、
患者を透過したX線画像を撮影するX線イメージセンサと、
前記カーボンナノ構造体三極式冷陰極X線管と前記X線イメージセンサの間でかつ前記X線イメージセンサに照射されるX線有効撮影エリアでなく前記X線が照射される範囲内に配置されX線照射量を検出する第一検出器と、
前記X線イメージセンサのフレームの一側面の中央部に配置したX線量を検出する第二検出器と、
前記X線イメージセンサのフレームの一側面であって前記X線イメージセンサの検出面を挟み前記第二検出器と対向する位置に配置したX線量を検出する第三検出器と、
前記カーボンナノ構造体三極式冷陰極X線管の陰極及び陽極にそれぞれ負及び正の高電圧パルスを供給する電源と、
前記第一、第二、第三検出器の検出データ及び前記カーボンナノ構造体三極式冷陰極X線管から前記X線イメージセンサまでの距離の情報を入手し、X線の照射量及び減衰量を計算し、患者に最適なX線量及カーボンナノ構造体三極式冷陰極X線管電圧を決定し、前記カーボンナノ構造体三極式冷陰極X線管の高電圧パルスのパルス数、パルス幅、陰極及び陽極の電圧を制御するフィードバック制御を備えるX線撮影制御装置と、
からなることを特徴とする医療用小型X線撮影装置。 - 前記第一検出器の検出結果を基に、前記カーボンナノ構造体三極式冷陰極X線管の劣化に伴うカーボンナノ構造体三極式冷陰極X線管電流の減少量を算出し、前記カーボンナノ構造体三極式冷陰極X線管の電流の減少量分を相殺させる追加電圧を前記カーボンナノ構造体三極式冷陰極X線管の陰極側電極に加えて、陽極側電圧から追加分を減らすことにより設定したカーボンナノ構造体三極式冷陰極管電流値及びX線量を長期間安定に発生させることを特徴とする請求項1に記載の医療用小型X線撮影装置。
- 前記X線照射部に、X線照射部の電源である着脱式のバッテリを備えることを特徴とする請求項1又は請求項2に記載の医療用小型X線撮影装置。
- 商用電源に接続するコード及びプラグを有するAC/DCアダプタを備える基台と、前記基台に立設し前記X線照射部を嵌着させるアームと、前記AC/DCアダプタにリード線で接続するとともにアーム端部に配置されたコネクタと、からなる保持台を備え、
前記X線照射部を前記コネクタに嵌着させることで、前記X線照射部を保持するとともに前記X線照射部に商用電源を供給することを特徴とする請求項1~請求項3の何れか1項に記載の医療用小型X線撮影装置。 - 前記保持台に、前記X線イメージセンサ、第二検出器及び前記第三検出器と接続するコネクタを備え、前記コネクタが前記X線撮影制御装置に前記アーム内に配置された配線を介して接続することを特徴とする請求項4に記載の医療用小型X線撮影装置。
- 前記X線撮影装置に、前記カーボンナノ構造体三極式冷陰極X線管を備えることを特徴とする請求項1~請求項5の何れか1項に記載の医療用小型X線撮影装置。
- 前記X線照射部に、前記商用電源又は前記バッテリからの電源供給を選択する電源切り換えスイッチを備えることを特徴とする請求項4~請求項6の何れか1項に記載の医療用小型X線撮影装置。
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JP2015525278A JP5967637B2 (ja) | 2013-07-03 | 2014-07-03 | 医療用小型x線撮影装置 |
US14/964,283 US20160089102A1 (en) | 2013-07-03 | 2015-12-09 | Compact medical x-ray imaging apparatus |
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