CN103393390A - Dual-video imaging capsule endoscope system based on wireless energy supply - Google Patents
Dual-video imaging capsule endoscope system based on wireless energy supply Download PDFInfo
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Abstract
The invention discloses a dual-video imaging capsule endoscope system of the technical field of endoscopes. The system comprises a video imaging capsule endoscope, an extracorporeal wireless energy supply device and a two-channel extracorporeal image processing device, wherein the two-channel extracorporeal image processing device comprises an antenna, two tuners, two collectors, a processor, two storages and two display screens; two image signals of the dual-video imaging capsule endoscope are received by the antenna, transmitted to the two tuners respectively, subjected to amplification and mediation processing via the two tuners respectively, then transmitted to the processor via the two collectors, and converted into two digital image signals corresponding to the image signals through the processor; the digital image signals are stored in the two storages, and displayed on the two display screens, or transmitted to a computer workstation respectively. The system can realize image detection at different angles and in direction for a whole digestive tract, and reduces the omission factor.
Description
Technical field
What the present invention relates to is the device in a kind of endoscopic technique field, specifically a kind of double vision based on wireless energy supply for detection of digestive tract image imaging frequently capsule endoscope system.
Background technology
Because work rhythm quickening, diet are uneven, cause the sickness rate of digestive tract disease increasingly to raise, digestive tract disease becomes the common a kind of disease that affect modern's health, analyzes according to statistics discovery, digestive tract disease to becoming younger, hiddenization future development.The visual detection of digestive tract disease has very important effect for prevention and the diagnosis and treatment of digestive tract disease, and the human body all-digestive tract always is about 9 meters, because the digestive tract shape belongs to slender pipeline, be distributed between each organ of trunk, irregular and the closure of all-digestive tract structure, bring very large difficulty for the detection of digestive tract disease clinically.
The visual detection of the digestive tract disease of implementing clinically mainly contains two kinds: gastrointestinal, intestinal mirror and the large class of capsule endoscope two.Gastroscope or intestinal mirror insert the detection of enforcement digestive tract disease from oral cavity and anus respectively, but due to the restriction that is subject to gastroscope and intestinal mirror length, gastroscope can only detect the digestive tract disease at stomach and duodenum position, the intestinal mirror can only detect the following digestive tract disease of colon, therefore gastroscope and intestinal mirror can't detect the disease at small intestinal position, in gastroscope, intestinal microscopy survey process, may there is the risk that causes stomach wound, intestinal wound simultaneously, in testing process, can bring huge misery to patient.capsule endoscope detects and belongs to the noinvasive detection method, after patient's oral capsule endoscope, can implement the detection of digestive tract disease, can not bring discomfort or painful sensation to the patient, but the power supply mode of existing capsule adopts the button cell power supply, be subjected to the capsule appearance structural limitations, the button cell limited amount that the image capsule carries, cause the working life of image capsule limited, image capsule clinically can only be worked about 8 hours, can only complete the diagnosis of part upper digestive disease, the working life of image capsule is also relevant with sampling rate and the image resolution ratio of digestive tract image, the detection rates of existing digestive tract image only has 2 frames/second, improve detection rates and the image resolution ratio of digestive tract image, can improve the accuracy of medical diagnosis on disease, but improve detection rates and the image resolution ratio of digestive tract image, can reduce the working time of image capsule, shorten detected gastral length, therefore the working method of conventional images capsule and power supply mode can not meet the demand that detects the all-digestive tract image.
Through the retrieval to prior art, find, Chinese patent literature CN102160774, open day 2011-08-24, a kind of video image capsule system of wireless energy supply of technical field of medical instruments is disclosed, comprise: capsule system, external wireless energy supply device and external image processing apparatus, capsule system is positioned at digestive tract and gathers digestive tract environment information, external image processing apparatus is connected with wireless mode with capsule system and transmits the capsule video information and export with graphics mode, and external wireless energy supply device provides energy to capsule system in the alternating magnetic field mode.But the prior art is buckle fold due to human body intestinal canal in human body, adopts the single head capsule still can produce undetected, on its capsule system, adds the double end imaging system can cause the energy supply deficiency again, can not meet the demand of clinical all-digestive tract medical diagnosis on disease.
Summary of the invention
The present invention is directed to the prior art above shortcomings, a kind of double vision based on wireless energy supply imaging frequently capsule endoscope system is provided, can realize the detection of all-digestive tract different angles and directional image, reduce loss.
The present invention is achieved by the following technical solutions, the present invention includes: double vision frequently the imaging capsule endoscope, external wireless energy supply device and the external image processing apparatus of the dual pathways of energy are provided for double vision imaging frequently capsule endoscope, wherein:
The external image processing apparatus of the described dual pathways comprises: real-time receiver module and the computer workstation of mutual communication.
Described real-time receiver module comprises: antenna, two tuners, two harvesters, processor, two bins and two display screens, wherein: two parts of picture signals of antenna reception double vision imaging frequently capsule endoscope, and transfer to respectively two tuners, respectively through the amplification of two tuners and prevention by by two harvesters, transferring to processor, processor is converted into two parts of data image signals corresponding with picture signal, and data image signal is stored in respectively two bins, is shown in two display screens or transfers to computer workstation.
the video image that the two ends of described double vision imaging frequently capsule endoscope gather respectively in digestive tract forms two parts of picture signals, comprise: two optics bulbs that are symmetricly set in two ends, be located at respectively two optical lens of optics bulb inboard, two illuminators, two video image sensors, two master control systems, two image wireless dispensing devices, fairing and wireless energy receiving coil and shell, wherein: optical lens provides the optical imagery distance for video image sensors, optical lens provides illumination for video image sensors, master control system is connected with video image sensors and controls video image sensors, the video image that video image sensors obtains exports on the image wireless dispensing device, the image wireless dispensing device changes video image electromagnetic wave into and is sent to external, wireless energy receiving coil and shell receive the alternating magnetic field by external wireless energy supply device emission, and generation alternating electromotive force, this alternating electromotive force is carried out filter rectification by fairing and is generated DC source, this DC source is the image wireless dispensing device, master control system, video image sensors and illuminator provide power supply.
Described master control system comprises: electric power management circuit, the magnetic control Hall switch circuit, the MCU control circuit, analog switching circuit, wherein: power management provides different voltage for different circuit, the magnetic control Hall switch circuit provides the power on/off of power supply, and the MCU control circuit provides the video sensor configuration.
Described image wireless dispensing device comprises: low-frequency filter circuit, the low frequency bleeder circuit, varactor frequency modulation oscillating circuit, power amplification circuit, transmitting antenna, wherein: low-frequency filter circuit and low frequency bleeder circuit become suitable modulation signal by picture signal.The varactor oscillating circuit provides the carrier signal of certain frequency, and modulated signal is sent to external by the processing of power amplifier by transmitting antenna.
Described external wireless energy supply device comprises: external wireless energy transmitting coil and power-supply controller of electric, wherein: power supply is controlled and is changed DC source into control signal and be sent to external wireless energy transmitting coil, and external wireless energy transmitting coil changes electric energy into alternating magnetic field.
Technique effect
The present invention, by imaging device is set respectively at two ends, obtains the image information of gastrointestinal tract inwall different angles and direction, and is undetected to reduce; The digestive tract picture signal that detects is sent to external Channel Image receptor by wireless transmission method, by the external picture receiver of the dual pathways, is shown and is preserved, and by the image workstation special-purpose software, can and process the image reproducing of preservation.
Than existing capsule endoscope system, the present invention: adopt double vision image capturing system frequently, under the prerequisite that does not increase the capsule volume, solve the problem that existing capsule endoscope can't obtain gastrointestinal tract inwall different directions and angular image information, reduce loss; Adopt the wireless energy supply technology, the problem that while solving existing capsule endoscope employing battery-powered, the working time is short, the image acquisition frequency is low and image imaging resolution is low.The present invention can also improve the frequency acquisition of image, and when realizing digestive tract different angles image, " continuously " gathers, and improves the resolution of digestive tract image acquisition, improves the accuracy of clinician to medical diagnosis on disease, has clinically important practical significance.
The accompanying drawing explanation
Fig. 1 is the structural representation of figure of the present invention;
Fig. 2 is the internal structure schematic diagram of real-time receiver module;
Fig. 3 is the internal structure schematic diagram of double vision imaging frequently capsule endoscope.
The specific embodiment
Below embodiments of the invention are elaborated, the present embodiment is implemented under take technical solution of the present invention as prerequisite, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
As shown in Figure 1, the present embodiment comprises: double vision frequently imaging capsule endoscope 13, external wireless energy supply device and the external image processing apparatus of the dual pathways of energy are provided for double vision imaging frequently capsule endoscope 13, wherein: the external image processing apparatus of the dual pathways comprises: real-time receiver module 11 and the computer workstation 12 of communication mutually.
as shown in Figure 2, described real-time receiver module 11 comprises: antenna, two tuner A, B, two harvester A, B, processor, two bin A, B and two display screen A, B, wherein: two parts of picture signals of antenna reception double vision imaging frequently capsule endoscope 13, and transfer to respectively two tuner A, B, respectively through two tuner A, the amplification of B and prevention are by by two harvester A, B transfers to processor, processor is converted into two parts of data image signals corresponding with picture signal, data image signal is stored in respectively two bin A, B, be shown in two display screen A, B, or transfer to computer workstation 12.
as shown in Figure 3, the video image that the two ends of described double vision imaging frequently capsule endoscope 13 gather respectively in digestive tract forms two parts of picture signals, comprise: two optics bulbs 1 that are symmetricly set in two ends, be located at respectively two optical lens 2 of optics bulb 1 inboard, two illuminators 3, two video image sensors 4, two master control systems 5, two image wireless dispensing devices 6, fairing 7 and wireless energy receiving coil and shell 8, wherein: optical lens 2 provides the optical imagery distance for video image sensors 4, optical lens 2 provides illumination for video image sensors 4, master control system 5 is connected with video image sensors 4 and controls video image sensors 4, the video image that video image sensors 4 obtains exports on image wireless dispensing device 6, image wireless dispensing device 6 changes video image electromagnetic wave into and is sent to external, wireless energy receiving coil and shell 8 receive the alternating magnetic field by external wireless energy supply device emission, and generation alternating electromotive force, this alternating electromotive force is carried out filter rectification by fairing 7 and is generated DC source, this DC source is image wireless dispensing device 6, master control system 5, video image sensors 4 and illuminator 3 provide power supply.
Described external wireless energy supply device comprises: external wireless energy transmitting coil 10 and power-supply controller of electric 9, wherein: power supply is controlled and is changed DC source into control signal and be sent to external wireless energy transmitting coil 10, and external wireless energy transmitting coil 10 changes electric energy into alternating magnetic field.
The described wireless energy receiving coil of the present embodiment and shell 8 are cylindric, and have good water resistance, guarantee that in digestive tract, liquid can not leak out to inside.illuminator 3 provides illumination for video image sensors 4, guarantee that double vision imaging frequently capsule endoscope 13 can photographic images in digestive tract, optical lens 2 provides suitable optical imagery distance for video image sensors 4, optical lens 2, illuminator 3 and video image sensors 4 are arranged on double vision imaging capsule endoscope 13 ends frequently, master control system 5 is connected on video image sensors 4 by data wire, master control system can be realized configuration and the control to video image sensors 4 by data wire, the adjusting of realization to video image sensors 4 imaging parameters, the video output of video image sensors 4 directly is sent on image wireless dispensing device 6, image wireless dispensing device 6 can change the image of video output the electromagnetic wave of certain frequency into and be sent to external.Wireless energy receiving coil and shell 8 receive the alternating magnetic field by external wireless energy transmitting coil emission, section generates alternating electromotive force in coil, this alternating electromotive force is carried out filter rectification by fairing 7 and is generated DC source, and this DC source provides power supply for image wireless dispensing device 6, master control system 5, video image sensors 4 and illuminator 3.Optical lens 2, illuminator 3, video image sensors 4, master control system 5, image wireless dispensing device 6, fairing 7 are arranged in wireless energy receiving coil and shell 8.
The external wireless energy supply device of the present embodiment comprises external wireless energy transmitting coil 10 and power-supply controller of electric 9.Power supply is controlled 9 and is changed DC source the control signal of certain frequency into and be sent to external wireless energy transmitting coil 10, and external wireless energy transmitting coil 10 changes electric energy in the alternating magnetic field of certain frequency.
The external image processing apparatus of the dual pathways of the present embodiment comprises the real-time receiver module 11 of dual pathways Portable external image and computer workstation 12.The real-time receiver module of dual pathways Portable external image can receive the image information of wireless transmit in body in real time, and be presented at respectively on two display screens of the real-time receiver module 11 of dual pathways Portable external image, also can be kept at respectively in the storage device of the real-time receiver module 11 of dual pathways Portable external image, dual pathways computer workstation 12 also has the image information of wireless transmit in real-time reception body, be presented at respectively on the screen of computer workstation, also can be kept on computer workstation respectively.The function that the data that dual pathways computer workstation 12 also can be preserved the real-time receiver module 11 of dual pathways Portable external image are carried out playback.As shown in Figure 5, the real-time receiver module of the external image of the dual pathways of the present embodiment receives the digestive tract different angles picture signal of double vision imaging frequently capsule endoscope 13 wireless transmissions, specific as follows: the signal that antenna reception double vision imaging frequently capsule endoscope 13 sends, signal is by frequency-selecting, by tuner A and B, image acquisition device A and B, processed, and be stored in respectively in memorizer A and B, also can be presented at respectively on display screen A and B.
Below in conjunction with accompanying drawing, the operation principle of this system is carried out to detailed description.the patient is by the double vision imaging frequently capsule endoscope 13 of swallowing, external wireless energy supply device is started working, power-supply controller of electric 9 changes DC source the alternating signal of certain frequency into and is sent to external wireless energy transmitting coil 10, external wireless energy transmitting coil 10 changes electric energy in the alternating magnetic field of certain frequency, the wireless energy receiving coil 8 that the interior double vision of this alternating magnetic field body imaging frequently capsule endoscope is 13 li receives, section produces alternating electromotive force in coil, this alternating electromotive force is rectified device 7 and carries out changing into DC source after filter rectification and voltage stabilizing, give illuminator 3, video image sensors 4, master control system 5 and 6 energy supplies of image wireless discharger.Master control system 5 powers on and rear video image sensors 4 is configured to control, and after completing configuration and controlling, video image sensors 4 starts normal operation.After illuminator 3 powers on and starts working, the video image capsule front end at two ends is illuminated, the front and back image of digestive tract wall is imaged on video image sensors 4 by optical lens 2, video image sensors 4 generates the video signal of digestive tract wall front and back image, this video signal directly is sent on image wireless discharger 6, by image wireless discharger 6, video signal is converted into to the electromagnetic wave of certain frequency and is sent to outside patient body.Sending to external video signal is received by the external image processing apparatus of the dual pathways, two kinds of receive modes are arranged: when using the real-time receiver module 11 of dual pathways Portable external image, the real-time receiver module 11 of dual pathways Portable external image can be presented at the video signal that receives on display screen respectively, is kept at respectively simultaneously on the storage device of itself; When using dual pathways computer workstation 12, the video signal that dual pathways computer workstation 12 will receive, and respectively this video signal is presented on computer screen in real time, be stored on computer screen respectively simultaneously.Computer workstation 12 also possesses and reads and the picture signal of the real-time receiver module of playback dual pathways Portable external image 11 storages.
Claims (3)
1. the double vision based on wireless energy supply imaging frequently capsule endoscope system, it is characterized in that, comprise: double vision frequently the imaging capsule endoscope, external wireless energy supply device and the external image processing apparatus of the dual pathways of energy are provided for double vision imaging frequently capsule endoscope, wherein: the external image processing apparatus of the dual pathways comprises: real-time receiver module and the computer workstation of communication mutually;
Described real-time receiver module comprises: antenna, two tuners, two harvesters, processor, two bins and two display screens, wherein: two parts of picture signals of antenna reception double vision imaging frequently capsule endoscope, and transfer to respectively two tuners, respectively through the amplification of two tuners and prevention by by two harvesters, transferring to processor, processor is converted into two parts of data image signals corresponding with picture signal, and data image signal is stored in respectively two bins, is shown in two display screens or transfers to computer workstation.
2. system according to claim 1, it is characterized in that, the video image that the two ends of described double vision imaging frequently capsule endoscope gather respectively in digestive tract forms two parts of picture signals, comprise: two optics bulbs that are symmetricly set in two ends, be located at respectively two optical lens of optics bulb inboard, two illuminators, two video image sensors, two master control systems, two image wireless dispensing devices, fairing and wireless energy receiving coil and shell, wherein: optical lens provides the optical imagery distance for video image sensors, optical lens provides illumination for video image sensors, master control system is connected with video image sensors and controls video image sensors, the video image that video image sensors obtains exports on the image wireless dispensing device, the image wireless dispensing device changes video image electromagnetic wave into and is sent to external, wireless energy receiving coil and shell receive the alternating magnetic field by external wireless energy supply device emission, and generation alternating electromotive force, this alternating electromotive force is carried out filter rectification by fairing and is generated DC source, this DC source is the image wireless dispensing device, master control system, video image sensors and illuminator provide power supply.
3. system according to claim 1 and 2, it is characterized in that, described external wireless energy supply device comprises: external wireless energy transmitting coil and power-supply controller of electric, wherein: power supply is controlled and is changed DC source into control signal and be sent to external wireless energy transmitting coil, and external wireless energy transmitting coil changes electric energy into alternating magnetic field.
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| CN103637762A (en) * | 2013-12-27 | 2014-03-19 | 上海交通大学 | Non-invasive detection system of precancerous lesions of digestive tract |
| CN103949008A (en) * | 2014-04-23 | 2014-07-30 | 上海交通大学 | Extracorporeal magnetic control type intelligent electrical stimulation capsule system based on video image navigation |
| CN103654691B (en) * | 2013-12-27 | 2015-10-28 | 上海交通大学 | Gastrointestinal tract precancerous lesion woundless diagnosis device |
| CN105380603A (en) * | 2015-11-19 | 2016-03-09 | 朱金怀 | Imaging system based on calculating rod |
| CN106412504A (en) * | 2016-09-29 | 2017-02-15 | 河南众创盛业医疗科技有限公司 | Data processing and wireless video transmitting module of split type video acquisition display system |
| CN110049286A (en) * | 2019-03-26 | 2019-07-23 | 合肥工业大学 | Improve the method and device that wireless endoscope system figure passes reliability |
| CN113241240A (en) * | 2021-05-25 | 2021-08-10 | 上海交通大学 | Three-dimensional receiving coil device for wireless energy transmission of capsule endoscopy robot |
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