CN205107712U - Special gamma camera of thyroid gland based on CZT - Google Patents
Special gamma camera of thyroid gland based on CZT Download PDFInfo
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- CN205107712U CN205107712U CN201520895904.5U CN201520895904U CN205107712U CN 205107712 U CN205107712 U CN 205107712U CN 201520895904 U CN201520895904 U CN 201520895904U CN 205107712 U CN205107712 U CN 205107712U
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Abstract
The utility model discloses a special gamma camera of thyroid gland based on CZT, including mainframe box, maintenance cabinet door, workstation, truckle, electric putter, cantilever structure, detector probe, display support and display, the mainframe box is equipped with outward and examines and repair the cabinet door, and mainframe box upper portion one side is equipped with the workstation, and the opposite side is equipped with cantilever structure, be provided with the display support on the workstation, display support top is equipped with the display, and the mainframe box has the truckle, on the electric putter in the mainframe box was installed to cantilever structure one end, the detector probe was installed to the cantilever structure other end. The utility model discloses simple structure reasonable in design, detector probe area is less, low in production cost, and the detector probe can dismantle, conveniently adjusts detector probe type and maintenance.
Description
Technical field
This utility model relates to nuclear medicine image equipment, particularly the special gammacamera of a kind of thyroid based on CZT.
Background technology
Nuclear medicine image is based on the inside and outside radioactivity difference of internal organs and the inner local radiation gender gap of internal organs, and internal organs are directly relevant with the aggregate amount of developer with height radioactive in pathological changes, the number of aggregate amount depends on again the factors such as blood flow, cell function, cell quantity, metabolic rate and excretion drain, therefore, nuclear medicine image can not only show the position of internal organs and pathological changes, form and size, the more important thing is the information simultaneously provided about aspects such as blood flow, function and metabolism.
Blood flow, function and Developmental and Metabolic Disorder are usually the early changes of disease, can appear at before morphosis changes, therefore nuclear medicine image often contributes to the early diagnosis of disease, and be widely used in internal organs and functional status and the disease essence research at molecular level.
Detector is the most important ingredient of nuclear medicine facility, and scintillation crystal is the core of conventional detectors.For gamma-ray detection, now widely used technology is, adopt sodium iodide,crystal (NaI(Tl)), the scintillation crystal such as bismuth germanium oxide (BGO), yttrium luetcium silicate (LYSO), gamma-rays is changed into fluorescence (purple light or ultraviolet), then use photomultiplier tube (PMT) optical signal to be changed into the signal of telecommunication of imaging needs.But, through repeatedly transforming, processing between gamma-rays to the signal of telecommunication, there is scattering in fluorescence in crystal, causes the loss of bulk information, also reduce the degree of accuracy to gamma-rays location ex vivo simultaneously, limit the spatial resolution of nuclear medicine facility, sensitivity.Therefore, tradition has obvious defect based on the nuclear medicine facility of scintillation crystal, PMT, subsequent conditioning circuit basic technology.
At present, along with CZT(tellurium zinc cadmium) research of semi-conducting material is deeply, gamma-rays is directly converted into the signal of telecommunication by CZT semiconductor detector, without the transition of fluorescence, also do not need PMT, volume reduces, directly can obtain the position signalling from detector photon and energy, and bring a series of excellent properties thus, as high in energy resolution, spatial resolution is high, detection efficient is high, sensitivity is good, etc.The application of CZT semiconductor detector substantially increases certainty of measurement, improves picture quality, shortens imaging time, decreases patient injection dosage, is specially adapted to the early diagnosis and therapy of different parts cancer.
Such as, when hospital is detected to the cancerous cell that patient does, particularly during cancer patient's further consultation, consider the situation that will reduce patient's medical fee, the cancerous cell that often can not do whole body detects, but for sufferer local detection cancerous cell.So both can reduce the use cost of the large-scale instrument of hospital, high-precision detection can have been carried out to the region of disease of patient targetedly again, and reduce the testing cost of patient.So for the multiple regional area of cancer, need to design small-sized gammacamera and meet local sufferer detection demand.
Utility model content
The purpose of this utility model is to provide the special gammacamera of a kind of thyroid based on CZT, and the first, adopt CZT semiconductor detector to detect, energy resolution is high, spatial resolution is high, detection efficient is high, sensitivity is good.The second, detector probe is designed and sized to 100*100mm, most clinical demand can be met.3rd, can popping one's head in by 180 degree of cantilever design tie detectors rotated of unique design, can realize patient's thyroid 180 degree of rotated detections, by the integration of imaging system to shooting time and camera site, and then find out the exact position at cancerous tumor cell place more accurately.4th, structure simple designs is reasonable, and detector probe area is less, and production cost is low, and detector probe can be dismantled, convenient adjustment detector probe type and maintenance.
For achieving the above object, the special gammacamera of thyroid based on CZT provided by the utility model, comprise mainframe box, maintenance cabinet door, workbench, castor, electric pushrod, cantilever design, detector probe, display bracket and display, maintenance cabinet door is provided with outside mainframe box, side, mainframe box top is provided with workbench, and opposite side is provided with cantilever design; Described workbench is provided with display bracket, is provided with display above display bracket, mainframe box has foot wheel; Described cantilever design one end is arranged on the electric pushrod in mainframe box, and the cantilever design other end is provided with detector probe.
Further, described cantilever design comprises swivel base, rotating shaft, connection swing arm, telescopic arm and detector probe mount pad; Be fixedly connected with swivel base bottom rotating shaft, rotating shaft top is provided with swing arm handing-over ear, described swing arm handing-over ear be connected swing arm one end and be hinged and connected; The other end connecting swing arm is connected with the hinged one end of telescopic arm; The telescopic arm other end and detector probe mount pad are hinged and connected.
Further, pel array formula CZT semiconductor detector group is installed in described detector probe.
Further, the two ends of described detector probe mount pad arrange an adjusting bolt respectively, and detector probe is fixed on detector probe mount pad by adjusting bolt.
Further, also comprise power supply and control module, be provided with power supply and control module in described mainframe box, control module comprises data acquisition circuit and data read-out system.
Described detector probe is built-in with CZT semiconductor detector group, power supply connects CZT semiconductor detector group, the data that CZT semiconductor detector group detects are passed to data acquisition circuit, and the data collected are passed to data read-out system and carry out imaging by data acquisition circuit.
Further, described detector probe is of a size of 100*100mm.
Further, described data acquisition circuit comprises pre-amplification circuit, multi-channel switch, signal adjustment circuit, digital to analog converter, FPGA programmable gate array circuit, pre-amplification circuit is electrically connected with multi-channel switch, multi-channel switch is connected to signal adjustment circuit, signal adjustment circuit is connected to FPGA programmable gate array circuit by digital to analog converter, and FPGA programmable gate array circuit is connected to data read-out system by RS232 interface circuit.
The utility model has the advantages that: the first, adopt CZT semiconductor detector to detect, energy resolution is high, spatial resolution is high, detection efficient is high, sensitivity is good.The second, detector probe is designed and sized to 100*100mm, most clinical demand can be met.3rd, can popping one's head in by 180 degree of cantilever design tie detectors rotated of unique design, can realize patient's thyroid 180 degree of rotated detections, by the integration of imaging system to shooting time and camera site, and then find out the exact position at cancerous tumor cell place more accurately.4th, structure simple designs is reasonable, and detector probe area is less, and production cost is low, and detector probe can be dismantled, convenient adjustment detector probe type and maintenance.
Accompanying drawing explanation
For the purpose of this utility model, feature and advantage clearlyer can be understood, below with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail, wherein:
Fig. 1 is left view of the present utility model;
Fig. 2 is the sectional view of A-A in Fig. 1;
Fig. 3 is top view of the present utility model;
Fig. 4 is axonometric chart of the present utility model;
Fig. 5 is the partial enlarged drawing of detector probe in an embodiment;
Fig. 6 is fundamental diagram of the present utility model;
Fig. 7 is the framework map of data acquisition circuit.
In the drawings: 1-mainframe box, 2-overhauls cabinet door, 3-workbench, 4-castor, 5-electric pushrod, 6-cantilever design, 7-detector probe, 8-display bracket, 9-display, 61-swivel base, 62-rotating shaft, 63-connects swing arm, 64-telescopic arm, 65-detector probe mount pad, 66-adjusting bolt, 11-data acquisition circuit, 12-power supply, 13-data read-out system, 110-pre-amplification circuit, 111-multi-channel switch, 112-signal adjustment circuit, 113-digital to analog converter, 114-FPGA programmable gate array circuit.
Detailed description of the invention
Consult Fig. 1 ~ Fig. 4, the special gammacamera of thyroid based on CZT of the present embodiment, comprise mainframe box 1, maintenance cabinet door 2, workbench 3, castor 4, electric pushrod 5, cantilever design 6, detector probe 7, display bracket 8 and display 9, maintenance cabinet door 2 is provided with outside mainframe box 1, side, mainframe box 1 top is provided with workbench 3, and opposite side is provided with cantilever design 6; Described workbench 3 is provided with display bracket 8, is provided with display 9 above display bracket 8, mainframe box 1 has castor 4; Described cantilever design 6 one end is arranged on the electric pushrod 5 of mainframe box 1, and cantilever design 6 other end is provided with detector probe 7.Described cantilever design 6 comprises swivel base 61, rotating shaft 62, connects swing arm 63, telescopic arm 64 and detector probe mount pad 65; Be fixedly connected with swivel base 61 bottom rotating shaft 62, rotating shaft 62 top is provided with swing arm handing-over ear, described swing arm handing-over ear be connected swing arm 63 one end and be hinged and connected; The other end connecting swing arm 63 is connected with the hinged one end of telescopic arm 64; Telescopic arm 64 other end and detector probe mount pad 65 are hinged and connected.By popping one's head in 7 by 180 degree of cantilever design 6 tie detectors rotated, realize patient's thyroid 180 degree of rotated detections, spatial resolution is high, detection efficient is high, sensitivity is good.
Consult Fig. 5, in another embodiment, described detector probe 7 is provided with pel array formula CZT semiconductor detector group.Can each CZT semiconductor detector probe value in the CZT semiconductor detector group of integrated array formula, its relative error magnitudes is less.
Consult Fig. 4, in another embodiment, the two ends of described detector probe mount pad 65 arrange an adjusting bolt 66 respectively, and detector probe 7 is fixed on detector probe mount pad 65 by adjusting bolt 66.This structure can make detector probe 7 centered by adjusting bolt 66, detector probe mount pad 65 rotates, carries out adjustment angle for patient's sitting posture.
Consult Fig. 6, be provided with power supply and control module in described mainframe box, control module comprises data acquisition circuit and data read-out system.The operation principle of the application: connect CZT semiconductor detector group by power supply, the data that CZT semiconductor detector group detects are passed to data acquisition circuit, and the data collected are passed to data read-out system and carry out imaging by data acquisition circuit.
Consult Fig. 7, described data acquisition circuit 11 comprises pre-amplification circuit 110, multi-channel switch 111, signal adjustment circuit 112, digital to analog converter 113, FPGA programmable gate array circuit 114, pre-amplification circuit 110 is electrically connected with multi-channel switch 111, multi-channel switch 111 is connected to signal adjustment circuit 112, signal adjustment circuit 112 is connected to FPGA programmable gate array circuit 114, FPGA programmable gate array circuit 114 by digital to analog converter 113 and is connected to data read-out system 13 by RS232 interface circuit.
Claims (6)
1. based on the special gammacamera of thyroid of CZT, it is characterized in that, comprise mainframe box, maintenance cabinet door, workbench, castor, electric pushrod, cantilever design, detector probe, display bracket and display, maintenance cabinet door is provided with outside mainframe box, side, mainframe box top is provided with workbench, and opposite side is provided with cantilever design; Described workbench is provided with display bracket, is provided with display above display bracket, mainframe box has foot wheel; Described cantilever design one end is arranged on the electric pushrod in mainframe box, and the cantilever design other end is provided with detector probe.
2. the special gammacamera of the thyroid based on CZT according to claim 1, is characterized in that: described cantilever design comprises swivel base, rotating shaft, connection swing arm, telescopic arm and detector probe mount pad; Be fixedly connected with swivel base bottom rotating shaft, rotating shaft top is provided with swing arm handing-over ear, described swing arm handing-over ear be connected swing arm one end and be hinged and connected; The other end connecting swing arm is connected with the hinged one end of telescopic arm; The telescopic arm other end and detector probe mount pad are hinged and connected.
3. the special gammacamera of the thyroid based on CZT according to claim 2, is characterized in that: the two ends of described detector probe mount pad arrange an adjusting bolt respectively, and detector probe is fixed on detector probe mount pad by adjusting bolt.
4. the special gammacamera of the thyroid based on CZT according to claim 1, is characterized in that: described detector probe is built-in with CZT semiconductor detector group.
5. the special gammacamera of the thyroid based on CZT according to claim 4, is characterized in that: also comprise power supply and control module, and be provided with power supply and control module in described mainframe box, control module comprises data acquisition circuit and data read-out system.
6. the special gammacamera of the thyroid based on CZT according to claim 5, it is characterized in that: described data acquisition circuit comprises pre-amplification circuit, multi-channel switch, signal adjustment circuit, digital to analog converter, FPGA programmable gate array circuit, pre-amplification circuit is electrically connected with multi-channel switch, multi-channel switch is connected to signal adjustment circuit, signal adjustment circuit is connected to FPGA programmable gate array circuit by digital to analog converter, and FPGA programmable gate array circuit is connected to data read-out system by RS232 interface circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520895904.5U CN205107712U (en) | 2015-11-11 | 2015-11-11 | Special gamma camera of thyroid gland based on CZT |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520895904.5U CN205107712U (en) | 2015-11-11 | 2015-11-11 | Special gamma camera of thyroid gland based on CZT |
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| CN205107712U true CN205107712U (en) | 2016-03-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106667509A (en) * | 2015-11-11 | 2017-05-17 | 上海优又特医疗设备科技有限公司 | Special thyroid gamma camera based on (cadmium zinc telluride) |
-
2015
- 2015-11-11 CN CN201520895904.5U patent/CN205107712U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106667509A (en) * | 2015-11-11 | 2017-05-17 | 上海优又特医疗设备科技有限公司 | Special thyroid gamma camera based on (cadmium zinc telluride) |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180619 Address after: 451162 Zhengzhou airport, Zhengzhou, Henan, 6 West of Zhenggang four street, 6 floor, 1 commercial building, Fuxin district, 1005 Patentee after: Henan superior medical equipment Co., Ltd. Address before: 201505 194, room 1, 255 Xing Gong Road, ting Lin Town, Jinshan District, Shanghai Patentee before: SHANGHAI ULTRA-TECH MEDICAL EQUIPMENT TECHNOLOGY CO., LTD. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200724 Address after: Room 194, building 1, no.225 Xinggong Road, Tinglin Town, Jinshan District, Shanghai, 200540 Patentee after: SHANGHAI ULTRA-TECH MEDICAL EQUIPMENT TECHNOLOGY Co.,Ltd. Address before: 451162 Zhengzhou airport, Zhengzhou, Henan, 6 West of Zhenggang four street, 6 floor, 1 commercial building, Fuxin district, 1005 Patentee before: Henan superior medical equipment Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210413 Address after: 201613 1st floor, building 12, 68 Zhongchuang Road, Songjiang District, Shanghai Patentee after: Youqingte medical equipment (Shanghai) Co.,Ltd. Address before: 200540 room 194, building 1, 225 Xinggong Road, Tinglin Town, Jinshan District, Shanghai Patentee before: SHANGHAI ULTRA-TECH MEDICAL EQUIPMENT TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20211213 Address after: 200540 room 194, building 1, 225 Xinggong Road, Tinglin Town, Jinshan District, Shanghai Patentee after: SHANGHAI ULTRA-TECH MEDICAL EQUIPMENT TECHNOLOGY Co.,Ltd. Address before: 201613 1st floor, building 12, 68 Zhongchuang Road, Songjiang District, Shanghai Patentee before: Youqingte medical equipment (Shanghai) Co.,Ltd. |
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| TR01 | Transfer of patent right |