CN204654892U - Portable breast tumor microwave detection equipment - Google Patents
Portable breast tumor microwave detection equipment Download PDFInfo
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- CN204654892U CN204654892U CN201520328816.7U CN201520328816U CN204654892U CN 204654892 U CN204654892 U CN 204654892U CN 201520328816 U CN201520328816 U CN 201520328816U CN 204654892 U CN204654892 U CN 204654892U
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Abstract
This utility model relates to a kind of portable breast tumor microwave detection equipment, comprise UWB microwave antenna and send detector, UWB microwave antenna receiving array unit, transceiver logic unit, dsp processor, A/D converting unit, compressed sensing processing unit, keyboard, memory element, power supply and display unit, UWB microwave antenna sends detector and is made up of UWB paster antenna, and UWB microwave antenna is sent detector and is connected with dsp processor by modulation circuit; UWB microwave antenna receiving array unit is connected with dsp processor by demodulator circuit; Dsp processor is connected with keyboard, display unit; Dsp processor is connected with compressed sensing processing unit.It has that volume is little, radiation is little, possess advantage to below 1cm mammary gland tumor tissue blood oxygen content sensitive.
Description
Technical field
This utility model belongs to technical field of biomedical detection, relates to a kind of microwave sounding imaging device, particularly relates to a kind of portable breast tumor microwave detection equipment.
Background technology
At present, breast tumor is the malignancy disease that women's sickness rate is the highest, and mortality rate occupies first of women's mortality of malignant tumors.The diagnosis of early stage breast tumor all has decisive significance for the survival rate at a specified future date improving mastotic treatment rate and patient undoubtedly.The detection method of breast carcinoma of early stage conventional at present comprises mammography, ultrasonograph technology, computed tomography, nmr imaging technique, thermal imaging detection etc., but all multi-methods all exist certain shortcoming, as low, costly etc. in produced radiation injury, image contrast to human body.The principle of ultra broadband Electromagnetic Wave Detection breast carcinoma is that different biological tissue is different to electromagnetic absorption, reflection and transmissison characteristic, and the electromagnetic field produced when the pulse signal of antenna transmission is propagated in mammary gland tissue can reflect the abundant information of malignant tissue.Simultaneously ultra-wideband microwave signal has that radiant power is low, the target information amount of carrying large, provides grade to locate and the advantage such as testing cost is lower, can as the conventional means of early stage breast cancer.In order to realize the advantage of above-mentioned ultra broadband, tumor imaging is most important.Therefore be necessary to develop the tumor fast imaging checkout equipment being applicable to breast tumor and detecting.For this reason, need a kind of portable breast tumor microwave detecting device, solve and human body produced to radiation injury, image contrast are low, the problem such as costly, signal processing method conventional in integrated breast cancer, makes it have that volume is little, radiation is little, possesses advantage to below 1cm mammary gland tumor tissue blood oxygen content sensitive.
Utility model content
The purpose of this utility model is, a kind of portable breast tumor microwave detection equipment is provided, solve and human body produced to radiation injury, image contrast are low, the problem such as costly, signal processing method conventional in integrated breast cancer, and have that volume is little, radiation is little, possess advantage to below 1cm mammary gland tumor tissue blood oxygen content sensitive.
For achieving the above object, this utility model provides a kind of portable breast tumor microwave detection equipment, comprise UWB (Ultra Wideband, carrierfree communicates) microwave antenna transmission detector, UWB microwave antenna receiving array unit, transceiver logic unit, dsp processor (Digital SignalProcessing, Digital Signal Processing), A/D (Analog.Digital, analog/digital) converting unit, compressed sensing processing unit, keyboard, memory element, power supply and display unit; UWB microwave antenna sends detector and is made up of UWB paster antenna, and UWB microwave antenna is sent detector and is connected with dsp processor by modulation circuit; UWB microwave antenna receiving array unit is connected with dsp processor by demodulator circuit; Dsp processor is connected with keyboard, display unit; Dsp processor is connected with compressed sensing processing unit, and demodulator circuit comprises transceiver logic unit and A/D converting unit.
Can also preferably, power acquisition lithium battery or DC/DC (DC-DC) conversion electric power circuit.
Can also preferably, display unit is provided with display screen.
Can also preferably, modulation circuit adopts transceiver logic unit.
Can also preferably, memory element adopts SD card (Secure Digital Memory Card, safe digital card) memory element.
Portable breast tumor microwave detection equipment of the present utility model, rapid image display can be carried out to mammary gland situation, can solve and human body be produced to radiation injury, image contrast are low, the problem such as costly, signal processing method conventional in integrated breast cancer, it can realize the on-line real-time measuremen method of breast tumor, and can inherit the fast imaging method of breast tumor ultra-wide band microwave detection on this system; It has that volume is little, radiation is little, possess advantage to below 1cm mammary gland tumor tissue blood oxygen content sensitive.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is described in further detail:
Fig. 1 is the structured flowchart of portable breast tumor microwave detection equipment of the present utility model;
Fig. 2 is the linear microwave array response signal synthetic model of portable breast tumor microwave detection equipment of the present utility model;
The microwave remote sensor array geometry relation schematic diagram of Fig. 3 portable breast tumor microwave detection equipment of the present utility model.
Detailed description of the invention
In order to understand this utility model better, below in conjunction with specific embodiment, this utility model is explained in detail.But, obviously can carry out different modification and remodeling to this utility model and not exceed the wider spirit and scope of this utility model of appended claims.Therefore, following examples have exemplary and hard-core implication.
Embodiment:
A kind of portable breast tumor microwave detection equipment, comprise UWB (Ultra Wideband, carrierfree communicates) microwave antenna transmission detector, UWB microwave antenna receiving array unit, transceiver logic unit, dsp processor (Digital Signal Processing, Digital Signal Processing), A/D (Analog.Digital, analog/digital) converting unit, compressed sensing processing unit, keyboard, memory element, power supply and display unit; UWB microwave antenna sends detector and is made up of UWB paster antenna, and UWB microwave antenna is sent detector and is connected with dsp processor by modulation circuit; UWB microwave antenna receiving array unit is connected with dsp processor by demodulator circuit; Dsp processor is connected with keyboard, display unit; Dsp processor is connected with compressed sensing processing unit, and demodulator circuit comprises transceiver logic unit and A/D converting unit.
In the above-described embodiments, power acquisition lithium battery or DC/DC (DC-DC) conversion electric power circuit.
In the above-described embodiments, display unit is provided with display screen.
Portable breast tumor microwave detection equipment of the present utility model, lithium battery or DC/DC conversion electric power circuit provide power supply for system; Compressed sensing processing unit provides compression of images perception Processing Algorithm for DSP processing unit.The wave number of microwave signal characterizes the spatial positional information such as the direction of propagation, distance of signal.By adopting a kind of processing method with filtering function, filtering is carried out to these locus, finally obtain and damage relevant information, thus formed and be a kind ofly similar to the same Lamb wave signal space information filter of time-domain signal wave filter, be called for short spatial filter.
Portable breast tumor microwave detection equipment of the present utility model, as shown in Figure 1, breast skin surface arranges UWB microwave antenna and sends detector and after modulating circuit modulates, send electromagnetic signal enter after skin layer at breast tissue internal communication, the electrical conductivity had due to breast Zhong Ge tissue part and the significant difference of dielectric constant, electromagnetic wave is made to produce transmittance and reflectance in various degree at the separating surface of breast different tissues, the scattered signal produced is received by the UWB microwave antenna receiving array being arranged in breast surface again, DSP processing system is input to after demodulation module, DSP processing system is by carrying out rational signal processing to the scattered signal received, thus imaging is reconstructed to internal mammary and shows image over the display, thus realize the detection of breast tumor, finally for the diagnosis and treatment of breast carcinoma of early stage provide foundation.
The structure that aerial array of the present utility model adopts dual-mode antenna to be separated, is easy to hardware implementing.Figure 1 shows that the antenna array structure figure of the early stage breast tumor detection system of ultra-wideband microwave.4 transmitting antennas, 28 reception antennas are adopted through optimizing in final array.Realize detection in order to meet microwave sounding signal to whole breast tissue, wherein 8 transmitting antennas and 28 reception antennas adopt the arrangement in " mouth " font at equal intervals.The reception antenna on each transmitting antenna and opposite forms the spatial filter matched.For meeting the requirement of imaging resolution and investigation depth in whole detection process, the single order that employing mid frequency is 5GHz, bandwidth is 10GHz leads gaussian signal.8 transmitting antennas launched microwave detectable signal successively, because breast respectively organizes the difference of electrology characteristic, the back-scattered signal that electromagnetic wave produces when breast transmits receives through 9 reception antennas.The 72 road Received signal strength produced are used to the reconstruct that follow-up imaging algorithm completes breast tissue.UWB microwave antenna array refers to that a kind of sensor array configuration point-blank arranged by the microwave antenna in array, is called for short linear array.For checking antenna array structure is on the impact of ultra-wideband microwave detection system, the breast tissue model shown in Fig. 3 is adopted to detect.Moulded dimension is set as 100mm × 100mm.Aerial array is arranged on skin layer, and for close to true acquisition environment, set up air layer 1, skin layer 2, fat deposit 3, rib layer 5 successively, wherein body of gland 4 and tumor 6 are present in fat deposit, and aerial array is distributed in skin layer.Complete the emulation of the breast tumor parameter of three kinds of different situations respectively.The first situation is diameter of tumor 3mm, position coordinates (42,42), and the second situation is diameter of tumor 4mm, position coordinates (42,60), and the third situation is diameter of tumor 6mm, and position coordinates is (60,18).Fig. 2 and Fig. 3 is respectively the axial slice map of the breast reconstructed image of three kinds of situations.The detection of tumor all can be realized in image.
Should be understood that; application of the present utility model is not limited to above-mentioned citing; for those of ordinary skills, can be improved according to the above description or convert, all these improve and convert the protection domain that all should belong to this utility model claims.
Claims (3)
1. portable breast tumor microwave detection equipment, comprises UWB microwave antenna and sends detector, UWB microwave antenna receiving array unit, transceiver logic unit, dsp processor, A/D converting unit, compressed sensing processing unit, keyboard, memory element, power supply and display unit; It is characterized in that: UWB microwave antenna sends detector and is made up of UWB paster antenna, UWB microwave antenna is sent detector and is connected with dsp processor by modulation circuit; UWB microwave antenna receiving array unit is connected with dsp processor by demodulator circuit; Dsp processor is connected with keyboard, display unit; Dsp processor is connected with compressed sensing processing unit, and demodulator circuit comprises transceiver logic unit and A/D converting unit.
2. portable breast tumor microwave detection equipment as claimed in claim 1, is characterized in that: power acquisition lithium battery or DC/DC conversion electric power circuit.
3. portable breast tumor microwave detection equipment as claimed in claim 1, is characterized in that: display unit is provided with display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520328816.7U CN204654892U (en) | 2015-05-20 | 2015-05-20 | Portable breast tumor microwave detection equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520328816.7U CN204654892U (en) | 2015-05-20 | 2015-05-20 | Portable breast tumor microwave detection equipment |
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| CN204654892U true CN204654892U (en) | 2015-09-23 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105816172A (en) * | 2016-03-11 | 2016-08-03 | 金陵科技学院 | Brain tumor microwave detection system |
| CN108577837A (en) * | 2018-05-17 | 2018-09-28 | 金陵科技学院 | A kind of portable tumor detection devices and detection method based on the sources UWB |
| CN109589115A (en) * | 2018-10-30 | 2019-04-09 | 水尚通讯技术(上海)有限公司 | Medium detection system and method based on real antenna and hierarchical mode |
| CN109645997A (en) * | 2018-10-30 | 2019-04-19 | 水尚通讯技术(上海)有限公司 | Medium detection system and method based on real antenna and anatomical model |
| CN114166942A (en) * | 2021-11-25 | 2022-03-11 | 武汉大学 | Laser ultrasonic-based method for measuring defect burying depth between metal additive manufacturing layers |
-
2015
- 2015-05-20 CN CN201520328816.7U patent/CN204654892U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105816172A (en) * | 2016-03-11 | 2016-08-03 | 金陵科技学院 | Brain tumor microwave detection system |
| CN105816172B (en) * | 2016-03-11 | 2018-09-14 | 金陵科技学院 | A kind of brain tumor microwave detection system |
| CN108577837A (en) * | 2018-05-17 | 2018-09-28 | 金陵科技学院 | A kind of portable tumor detection devices and detection method based on the sources UWB |
| CN109589115A (en) * | 2018-10-30 | 2019-04-09 | 水尚通讯技术(上海)有限公司 | Medium detection system and method based on real antenna and hierarchical mode |
| CN109645997A (en) * | 2018-10-30 | 2019-04-19 | 水尚通讯技术(上海)有限公司 | Medium detection system and method based on real antenna and anatomical model |
| CN114166942A (en) * | 2021-11-25 | 2022-03-11 | 武汉大学 | Laser ultrasonic-based method for measuring defect burying depth between metal additive manufacturing layers |
| CN114166942B (en) * | 2021-11-25 | 2023-08-15 | 武汉大学 | Method for measuring interlayer defect burial depth in metal additive manufacturing based on laser ultrasonic |
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Granted publication date: 20150923 |
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| CF01 | Termination of patent right due to non-payment of annual fee |