CN105455832A - Semiconductor radioactive ray detector and nuclear medicine diagnosis device - Google Patents
Semiconductor radioactive ray detector and nuclear medicine diagnosis device Download PDFInfo
- Publication number
- CN105455832A CN105455832A CN201510801330.5A CN201510801330A CN105455832A CN 105455832 A CN105455832 A CN 105455832A CN 201510801330 A CN201510801330 A CN 201510801330A CN 105455832 A CN105455832 A CN 105455832A
- Authority
- CN
- China
- Prior art keywords
- nuclear medicine
- electrode
- diagnostic apparatus
- detector
- medicine diagnostic
- 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
- 238000009206 nuclear medicine Methods 0.000 title claims abstract description 44
- 239000004065 semiconductor Substances 0.000 title claims abstract description 41
- 238000003745 diagnosis Methods 0.000 title abstract description 6
- 230000002285 radioactive effect Effects 0.000 title abstract 3
- 239000013078 crystal Substances 0.000 claims abstract description 16
- 238000002161 passivation Methods 0.000 claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 6
- 230000005855 radiation Effects 0.000 claims description 32
- 230000005540 biological transmission Effects 0.000 abstract 2
- 238000005192 partition Methods 0.000 abstract 1
- PGAPATLGJSQQBU-UHFFFAOYSA-M thallium(i) bromide Chemical compound [Tl]Br PGAPATLGJSQQBU-UHFFFAOYSA-M 0.000 description 5
- MARUHZGHZWCEQU-UHFFFAOYSA-N 5-phenyl-2h-tetrazole Chemical compound C1=CC=CC=C1C1=NNN=N1 MARUHZGHZWCEQU-UHFFFAOYSA-N 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 2
- 229910052714 tellurium Inorganic materials 0.000 description 2
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002600 positron emission tomography Methods 0.000 description 1
- 230000035945 sensitivity 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
-
- 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
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Radiology & Medical Imaging (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- High Energy & Nuclear Physics (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measurement Of Radiation (AREA)
- Nuclear Medicine (AREA)
Abstract
The invention discloses a semiconductor radioactive ray detector and a nuclear medicine diagnosis device. The detector comprises a detector body, a detection space, first electrodes and second electrodes. Side face passivation layers are installed on a shell of the detector body, the first electrodes and the second electrodes are installed on the upper portion and the bottom of the detector body respectively, and a semiconductor crystal is installed between the first electrodes and the second electrode. The detector is installed on the nuclear medicine diagnosis device. A bed plate is installed in the nuclear medicine diagnosis device, a flat plane is arranged on the bed plate, a detected patient lies on the bed plate, the outermost side of the nuclear medicine diagnosis device is connected with a data transmission line, and the other end of the data transmission line is connected with a data output port. The semiconductor radioactive ray detector is reasonable in design and convenient to operate; the integrated side face passivation layers are installed on the shell of the detector body, so that the detector is fixed more reliably and is not prone to damage; electrode groups are isolated through a partition board so that an electrode board can be easily replaced when being damaged.
Description
Technical field
The present invention relates to technical field of medical instruments, be specially a kind of semiconductor radiation detector and nuclear medicine diagnostic apparatus.
Background technology
In recent years, the nuclear medicine diagnostic apparatus employing the radiation detector measuring the lonizing radiation such as gamma-rays is extensively being popularized, representational nuclear medicine diagnostic apparatus is gamma camera device, single photon emission tomographic, positron emission tomography camera head etc., in addition, as for one of the countermeasure considering the object that Homeland Security ensures, there is the terrified countermeasure of radiation bomb, because the demand of radiation detector increases, as these radiation detectors, use the radiation detector being combined with flasher and photomultiplier tube in the past, but in recent years, employ cadmium telluride, cadmium/zinc/tellurium, gallium arsenic, the technology of the semiconductor radiation detector of the semiconductor crystals such as thallium bromide receives publicity, about semiconductor radiation detector, because it is produced at the interaction by lonizing radiation and semiconductor crystal, raw charge-trapping is in electrode and be converted to the formation of the signal of telecommunication, thus compared with the radiation detector employing flasher, the conversion efficiency had to the signal of telecommunication is good, and can the various feature such as miniaturization.
Semiconductor radiation detector such as possess the semiconductor crystal of tabular, the negative electrode being formed at a face of this semiconductor crystal and clamping semiconductor crystal and with the anelectrode of this negative electrode subtend.By applying high direct voltage voltage between these negative electrode and anelectrodes, thus the electric charge generated when the lonizing radiation such as X-ray, gamma-rays are incident in semiconductor crystal is taken out from negative electrode or anelectrode in the form of a signal, among the semiconductor crystal particularly used in semiconductor radiation detector, thallium bromide is compared with cadmium telluride, cadmium/other semiconductor crystal such as zinc/tellurium, gallium arsenic, the linear attenuation coefficient caused by photoelectric effect is large, can be obtained the gamma-rays sensitivity equal with other semiconductor crystal by thin semiconductor crystal.Its result, employ the semiconductor radiation detector of thallium bromide and employ the nuclear medicine diagnostic apparatus of this semiconductor radiation detector, with other semiconductor radiation detector of other semiconductor crystal employed except thallium bromide and employ other semiconductor radiation detector except thallium bromide nuclear medicine diagnostic apparatus compared with, more miniaturization can be realized.
Summary of the invention
The object of the present invention is to provide a kind of semiconductor radiation detector and nuclear medicine diagnostic apparatus, the invention proposed in view of the foregoing.
For achieving the above object, the invention provides following technical scheme: a kind of semiconductor radiation detector and nuclear medicine diagnostic apparatus, comprise detector, detection space, first electrode and the second electrode, the shell of described detector is provided with side passivation layer, the top of described detector and bottom are separately installed with the first electrode and the second electrode, in the centre of described first electrode and the second electrode, semiconductor crystal is installed, described detector is arranged on nuclear medicine diagnostic apparatus, the inside of described nuclear medicine diagnostic apparatus is provided with bed board, flat surface is provided with above described bed board, described tested patient lies on bed board, the outermost of described nuclear medicine diagnostic apparatus is connected with data line, the other end of described data line is connected with data-out port.
Preferably, described first electrode and the second electrode are made up of five groups of electrodes respectively, and are provided with dividing plate between each sub-electrode.
Preferably, described detector is installed on the top position, right side of nuclear medicine diagnostic apparatus.
Preferably, described bed board is installed on the position, middle of nuclear medicine diagnostic apparatus.
Preferably, described bed board is placed in the inner horizontal of nuclear medicine diagnostic apparatus.
Preferably, the side passivation layer of the shell installation of described detector is as a whole.
Preferably, the first electrode and be blind-mate between the second electrode and side passivation layer.
Compared with prior art, the invention has the beneficial effects as follows: a kind of semiconductor radiation detector and nuclear medicine diagnostic apparatus, reasonable in design, easy to operate, detector housing is provided with the side passivation layer of integration, and what detector was fixed is more firm, not fragile, by every isolating between each electrode group, easily change when battery lead plate is damaged.
Accompanying drawing explanation
Fig. 1 is the structural representation of detector of the present invention;
Fig. 2 is the structural representation of nuclear medicine diagnostic apparatus of the present invention;
Fig. 3 is the configuration example synoptic diagram of semiconductor radiation detector of the present invention and nuclear medicine diagnostic apparatus.
In figure: 1, detecting element, 2, radiosiotope, 3, bed board, 4, radiological measuring parts, 5, data are discarded, 6, meet decision means, 7, data acquisition components, 8, image generating member, 9, image storage section, 10, nuclear medicine diagnostic apparatus, 11, detector, 12, detection space, 13, data line, 14, data-out port, 15, tested patient, 16, dividing plate, 17, first electrode, 18, semiconductor crystal, 19, side passivation layer, 20, the second electrode.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, Fig. 2 and Fig. 3, the invention provides a kind of technical scheme: a kind of semiconductor radiation detector and nuclear medicine diagnostic apparatus, comprise detector 11, detection space 12, first electrode 17 and the second electrode 20, the shell of described detector 11 is provided with side passivation layer 19, the top of described detector 11 and bottom are separately installed with the first electrode 17 and the second electrode 20, in the centre of described first electrode 17 and the second electrode 20, semiconductor crystal 18 is installed, described detector 11 is arranged on nuclear medicine diagnostic apparatus 10, the inside of described nuclear medicine diagnostic apparatus 10 is provided with bed board 3, flat surface is provided with above described bed board 3, described tested patient 15 lies on bed board 3, the outermost of described nuclear medicine diagnostic apparatus 10 is connected with data line 13, the other end of described data line 13 is connected with data-out port 14, described first electrode 17 and the second electrode 20 are made up of five groups of electrodes respectively, and between each sub-electrode, dividing plate 16 is installed, described detector 11 is installed on the top position, right side of nuclear medicine diagnostic apparatus 10, described bed board 3 is installed on the position, middle of nuclear medicine diagnostic apparatus 10, described bed board 3 is placed in the inner horizontal of nuclear medicine diagnostic apparatus 10, the side passivation layer 19 that the shell of described detector 11 is installed is as a whole, first electrode 17 and be blind-mate between the second electrode 20 and side passivation layer 19.
The present invention in use, first tested patient 15 is allowed to lie on bed board 3 stably, and then detector 11 is opened, detection nuclear medicine diagnostic is carried out to tested patient 15, the data of diagnosis will be transferred on data-out port 14 by data line 13, and then data pass to data processing equipment subsequently and carry out date processing.
In Fig. 3 embodiment, detecting element 1 is radiated on bed board 3 by the radiosiotope 2 in radiation space, then, detecting element 1 and bed board 3 position all can be carried out differentiation to gamma energy distinct elements 4 and be judged, wherein meet decision means 6 and will be delivered to next parts, discarded will not use as data discarded 5, data acquisition components 7 carries out data acquisition to meeting decision means 6, then will carry out Computer image genration and produce image generating member 8, and finally again image generating member 8 be carried out being saved in image storage.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or basic feature, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.
Claims (7)
1. a semiconductor radiation detector and nuclear medicine diagnostic apparatus, comprise detector (11), detection space (12), first electrode (17) and the second electrode (20), it is characterized in that: the shell of described detector (11) is provided with side passivation layer (19), the top of described detector (11) and bottom are separately installed with the first electrode (17) and the second electrode (20), in the centre of described first electrode (17) and the second electrode (20), semiconductor crystal (18) is installed, described detector (11) is arranged on nuclear medicine diagnostic apparatus (10), the inside of described nuclear medicine diagnostic apparatus (10) is provided with bed board (3), flat surface is provided with above described bed board (3), described tested patient (15) lies on bed board (3), the outermost of described nuclear medicine diagnostic apparatus (10) is connected with data line (13), the other end of described data line (13) is connected with data-out port (14).
2. a kind of semiconductor radiation detector according to claim 1 and nuclear medicine diagnostic apparatus, it is characterized in that: described first electrode (17) and the second electrode (20) are made up of five groups of electrodes respectively, and are provided with dividing plate (16) between each sub-electrode.
3. a kind of semiconductor radiation detector according to claim 1 and nuclear medicine diagnostic apparatus, is characterized in that: described detector (11) is installed on the top position, right side of nuclear medicine diagnostic apparatus (10).
4. a kind of semiconductor radiation detector according to claim 1 and nuclear medicine diagnostic apparatus, is characterized in that: described bed board (3) is installed on the position, middle of nuclear medicine diagnostic apparatus (10).
5. a kind of semiconductor radiation detector according to claim 1 and nuclear medicine diagnostic apparatus, is characterized in that: described bed board (3) is placed in the inner horizontal of nuclear medicine diagnostic apparatus (10).
6. a kind of semiconductor radiation detector according to claim 1 and nuclear medicine diagnostic apparatus, is characterized in that: the side passivation layer (19) that the shell of described detector (11) is installed is as a whole.
7. a kind of semiconductor radiation detector according to claim 1 and nuclear medicine diagnostic apparatus, is characterized in that: the first electrode (17) and between the second electrode (20) and side passivation layer (19) for blind-mate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510801330.5A CN105455832A (en) | 2015-11-19 | 2015-11-19 | Semiconductor radioactive ray detector and nuclear medicine diagnosis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510801330.5A CN105455832A (en) | 2015-11-19 | 2015-11-19 | Semiconductor radioactive ray detector and nuclear medicine diagnosis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105455832A true CN105455832A (en) | 2016-04-06 |
Family
ID=55594341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510801330.5A Pending CN105455832A (en) | 2015-11-19 | 2015-11-19 | Semiconductor radioactive ray detector and nuclear medicine diagnosis device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105455832A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4292645A (en) * | 1979-10-18 | 1981-09-29 | Picker Corporation | Charge splitting resistive layer for a semiconductor gamma camera |
| CN1190467A (en) * | 1994-12-23 | 1998-08-12 | 迪吉雷德公司 | Semiconductor gamma-ray camera and medical imaging system |
| CN1768704A (en) * | 2004-09-09 | 2006-05-10 | 西门子公司 | Diagnosis method for detection unit and medical imaging of medical diagnosing equipment |
| CN102393530A (en) * | 2010-06-29 | 2012-03-28 | 原子能及能源替代委员会 | Radiation detection device and method for manufacturing same |
| CN104081225A (en) * | 2012-01-27 | 2014-10-01 | 株式会社日立制作所 | Semiconductor radiation detector and nuclear medical diagnosis device |
-
2015
- 2015-11-19 CN CN201510801330.5A patent/CN105455832A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4292645A (en) * | 1979-10-18 | 1981-09-29 | Picker Corporation | Charge splitting resistive layer for a semiconductor gamma camera |
| CN1190467A (en) * | 1994-12-23 | 1998-08-12 | 迪吉雷德公司 | Semiconductor gamma-ray camera and medical imaging system |
| CN1768704A (en) * | 2004-09-09 | 2006-05-10 | 西门子公司 | Diagnosis method for detection unit and medical imaging of medical diagnosing equipment |
| CN102393530A (en) * | 2010-06-29 | 2012-03-28 | 原子能及能源替代委员会 | Radiation detection device and method for manufacturing same |
| CN104081225A (en) * | 2012-01-27 | 2014-10-01 | 株式会社日立制作所 | Semiconductor radiation detector and nuclear medical diagnosis device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10935676B2 (en) | Physical structure for a tunable sensor system for particle detection | |
| US11194062B2 (en) | Nuclear detector | |
| JP5753802B2 (en) | Semiconductor radiation detector and nuclear medicine diagnostic equipment | |
| CN107003419A (en) | Solid state photomultiplier pipe | |
| US20120193545A1 (en) | Detector systems with anode incidence face and methods of fabricating the same | |
| US10976450B2 (en) | Combined scintillation crystal, combined scintillation detector and radiation detection device | |
| CN104391316A (en) | Three-dimensional space curved face multi-energy scintillation detector | |
| WO2012025858A2 (en) | Pixellated detector device | |
| CN211043685U (en) | Array type nuclear radiation detector based on GAGG scintillator | |
| CN103424765A (en) | Semiconductor radiation detector using it, and nuclear medicine diagnosis apparatus | |
| KR102182318B1 (en) | A device that fuses a dual particle image based on the coded-aperture | |
| US9223030B2 (en) | Radiation detection equipment and nuclear medicine diagnosis device | |
| CN104252005A (en) | PET detector module | |
| CN204241697U (en) | Three-dimensional space curved surface multi-energy scintillation detector | |
| CN105455832A (en) | Semiconductor radioactive ray detector and nuclear medicine diagnosis device | |
| CA3059787A1 (en) | Improved temperature performance of a scintillator-based radiation detector system | |
| Chmeissani et al. | Modeling and simulation of PET scanner based on pixelated solid-state detector | |
| US20070228282A1 (en) | Rectangular detector geometry for positron emission tomography | |
| Jasni et al. | Two dimensional array of MPPC and CsI (Tl) for radiation monitoring prototype | |
| KR102316574B1 (en) | A Compton Imager and a Single Photon Emission and Positron Emission Tomography System including the same | |
| JP2015152356A (en) | Dark countless radiation detection energy discrimination imaging system | |
| Russo et al. | Solid-state detectors for small-animal imaging | |
| Suzuki et al. | Gamma-ray visualization module | |
| CN108345024A (en) | Detection device and detection method | |
| CN202075417U (en) | Scintillation probe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160406 |