CN102860810B - Medical magnetic capsule endoscope system - Google Patents
Medical magnetic capsule endoscope system Download PDFInfo
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- CN102860810B CN102860810B CN201210378138.6A CN201210378138A CN102860810B CN 102860810 B CN102860810 B CN 102860810B CN 201210378138 A CN201210378138 A CN 201210378138A CN 102860810 B CN102860810 B CN 102860810B
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Abstract
The invention provides a medical magnetic capsule endoscope system which comprises a capsule endoscope, a receiving jacket, an external work station and a capsule positioner. The capsule endoscope comprises a transparent capsule shell, a camera head, a lighting device, an optoelectronic switch, an image information processing circuit, a radiofrequency transmission device, a power device, a magnetic field sensor and a small magnet. The capsule endoscope, the receiving jacket, the external work station and the capsule positioner form the system through induction of a magnetic field and transmission of wireless signals. When the total system works, information of the capsule endoscope in a human body can be displayed on a special medical image display of the external work station in real time, and movement of the capsule endoscope in the human body can be controlled by a software platform in the external work station. The medical magnetic capsule endoscope system realizes a capsule endoscope image real-time displaying function and controllable and positionable functions, and has qualitative leap as compared with the prior art.
Description
Technical field
The present invention relates to a kind of system and device, relate in more detail a kind of medical system device.
Background technology
The structure of the capsule endoscope in the past comprises: possess the image unit of solid-state imager and use illuminator that LED etc. forms and radio communication device etc., be built in the capsule housing of the degree size that can swallow from mouth.This capsule endoscope by being swallowed from mouth by examinee, can be taken stomach or intestinal etc. in by endoceliac process.Typically, there is the image that is subject to illuminator illumination surface that the capsule endoscope of above structure photographs image unit and change the signal of telecommunication into, by wireless base station apparatus, send to outside, the signal sending is received by outside receiving equipment, is then presented on display device.Under no pain, AT human gastrointestinal tract state, medical personnel can carry out to examinee the diagnosis of gastroenteropathy according to the image being presented on display device.
The capsule endoscope that possesses above-mentioned functions relies on the wriggling of live body intestinal to drive wireless endoscope motion in vivo conventionally, and the speed of wriggling, the factors such as the effect of illumination and the intestines and stomach all will directly cause the randomness of photographic images result with uncertain, and proposed to have for example capsule endoscope of the type of swallowing shown in patent documentation 1 International Publication the 01/35813rd patent in order to reduce the repeatability of photographic images and the probability of reduction under-enumeration pathological changes etc., adopted a kind of controlled capsule endoscope, by applying driving to each functional unit of capsule endoscope, can realize the control to capsule endoscope.Yet, used the capsule endoscope that can control type of drive, utilize external magnetic field to drive the method for capsule endoscope, use outer enclosure part, capsule adopts reed switch, under the magnetic field environment applying more than some strength, this reed switch maintains off-state, if the strength decreased of external magnetic field is connected.Thereby at capsule endoscope, under the state in packaging part, do not drive capsule endoscope, when swallowing, start to drive with thering is the packaging part isolation of permanent magnet.But in such device, capsule endoscope being fetched into from packaging part to examinee swallows and needs the regular hour, and the various functions of this section of time capsule endoscope has all driven, such as shoot function and radio function etc., and the image that this is taken to action is by actions such as this radio function send, in diagnostic procedure, be judged as invalid image, can not be well completed the diagnostic procedure of capsule endoscope.
Summary of the invention
The technical problem to be solved in the present invention is to overcome existing defect, and a kind of medical magnetic capsule endoscope system is provided, and can determine capsule endoscope that any time moves in the digestive tract position in digestive tract.
In order to solve the problems of the technologies described above, the invention provides following technical scheme:
The invention provides a kind of medical magnetic capsule endoscope system, comprise capsule endoscope, receive jacket, external work station, capsule localizer, described capsule endoscope comprises transparent capsule shell, camera head, illuminator, photoelectric switch, image information processing circuit, radio frequency transmission device, supply unit, magnetic field sensor and small magnet; Described reception jacket is the double-deck jacket of built-in reception antenna and Portable type recorder; Described external work station comprises personal computer, medical imaging dedicated display and software platform; Described capsule localizer is built-in sensors; Described capsule endoscope, reception jacket, external work station and capsule localizer form a system by the induction in magnetic field and the transmission of wireless signal; It is characterized in that: the magnetic field sensor in described capsule endoscope and the distance of small magnet remain on more than 2 millimeters; Small magnet in described capsule endoscope is between radio frequency transmission device and supply unit; Small magnet in described capsule endoscope is shaped as cylinder or spheroid; Described small magnet diameter is less than 12 millimeters, and weight is less than 5 grams.
Further, the magnetic field sensor in described capsule endoscope is Hall element or giant magneto-resistance sensor.
Further, the material of the photoelectric switch in described capsule endoscope is photodiode or phototriode.
A kind of medical magnetic capsule endoscope system of the present invention, magnetic field sensor and small magnet are applied in capsule endoscope, and add and receive jacket, external work station, capsule localizer, they form a system by the induction in magnetic field and the transmission of wireless signal.Under the work of whole system, the information of capsule endoscope in human body can be presented in the medical imaging dedicated display of external work station in real time, and can control the motion of capsule endoscope in human body by the software platform in external work station.The present invention when having realized the real-time Presentation Function of capsule endoscope image, also realized controlled can positioning function, with respect to former technology, had qualitative leap.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for description, for explaining the present invention, is not construed as limiting the invention together with embodiments of the present invention.In the accompanying drawings:
Fig. 1 is the total system concept map of a kind of medical magnetic capsule endoscope system of the present invention;
Fig. 2 is the sectional side view of capsule endoscope;
Fig. 3 is camera head upper end generalized section in capsule endoscope;
Fig. 4 is the front surface schematic diagram of capsule endoscope;
Fig. 5 is the workflow diagram of capsule endoscope.
The specific embodiment
Figure l means the total system concept map of a kind of capsule endoscope system of the present invention.In Fig. 1, this capsule endoscope system comprises: the interior type of the swallowing capsule endoscope 1 as obtaining in-subject information of body cavity that imports subject 1a; Be configured in the outside of subject 1a, and the portable recorder 1c of the external receiving system of conduct of the various information of radio communication and reception jacket 1b that receiving system is installed between capsule endoscope 1, start and the capsule localizer 1d of detecting capsule endoscope for capsule endoscope photoswitch.In addition, the data that receive according to reception jacket 1b, carry out the outer work station 1e of image demonstration and control volume; Between reception jacket 1b and the external work station 1e of display device, use USB to connect.
Fig. 2 means the schematic diagram that cuts open of capsule endoscope of the present invention.And the capsule endoscope of inside that be imported into, that take successively this examinee (specifically, be digestive tract in) image in the mouth from as examinee 1a as mentioned above.As shown in Figure 2, the capsule endoscope of present embodiment there is the housing 2 of the capsule shape of forming, for illuminator 3 that examinee's digestive tract intracavity portion is thrown light on, take the camera head 4 of the image in the subject 1a that illuminator throws light on and the image wireless in the examinee's digestive tract being photographed successively by camera head sent to outside radio frequency transmission device 5.Capsule endoscope also has to the supply unit 6 of each constituent apparatus supply driving electric, image is processed to the image processing apparatus 7 of simultaneously driving of each constituent apparatus being controlled.Housing 2 is the housings 2 that form the capsule-type size that is easy to import to subject 1a inside.Specifically, housing 2 is realized by the optical dome 2b that forms the shell main body 2a of capsule shape and be installed on this shell body front end portion.Shell main body 2a is that front opening and back-end closure become hemispheric tubular shell, and portion comprises illuminator 3, camera system 4, radio frequency transmission device 5, power-supply system 6, image processing apparatus 7 and magnetic dipole 8 within it.Optical dome 2b is that light transmission is higher, transparent hemispherical member roughly, and it is installed on the front end of shell main body 2, and this front end is sealed.Accommodate to the housing seal being formed by this shell main body 2a and optical dome 2b each constituent apparatus (for example illuminator 3, camera head 4, radio frequency transmission device 5, supply unit 6, image processing apparatus 7 and magnetic dipole 8) of capsule endoscope.
Illuminator 3 plays the effect of throwing light in the subject 1a inside to being taken by camera head 4.Specifically, as shown in Figure 3, illuminator 3 have send the light-emitting device 3a of the illumination light of being thrown light in subject 1a inside by optical dome 2b, for realizing the ring circuit plate 3b that comprises the chip parts such as chip-resistance or chip capacity of illumination functions.
Light-emitting device 3a is such as being the luminous components such as LED, send the illumination light (for example white light) for being thrown light in the visual field of camera head 4 (aftermentioned), in the middle of being positioned at the optical dome 2b side shown in Fig. 4, can run through on the ring circuit circuit board of above-mentioned camera head 4 with through hole, periphery is attached with a plurality of above-mentioned light-emitting device 3a, more particularly, with being placed in, the photoelectricity starting switch 3c for this capsule endoscope switching device is installed on ring circuit plate 3b with light-emitting device betwixt.
Camera head 4 plays the effect of taking the image in subject 1a.Specifically, as Fig. 3, camera head 4 comprises: take the image in subject the solid state image sensor 4a such as CMOS, make optical lens 4b on the sensitive surface of solid camera head of image imaging in subject and be formed with for realizing the imaging circuit plate 4c of the circuit of camera head 4 functions.Subject in 4 pairs of visual fields of being thrown light on by light-emitting device 3a of camera head is taken.Imaging circuit plate 4c is the circuit board that forms disc-shape band through hole, and is connected with ring circuit plate 3b.On this imaging circuit plate 4c, on relative with ring circuit plate 3b as shown in Figure face, camera head 4 is installed, image sensor apparatus 4a is positioned at optical lens 4b below, bonding by colloid, has the function that the optical signalling of being taken by optical lens 4b is converted to the signal of telecommunication.And picture signal is passed to image processing apparatus 7 and carry out image processing.By imaging circuit plate, 4c passes to radio frequency transmission device 5 by picture signal.
Image processing apparatus 7 is for example installed on above-mentioned imaging circuit plate 4c, the driving of each constituent apparatus of Dui Jiaoxiang type endoscope is controlled, and the picture signal being passed by camera head 4 is carried out compression control function and signal after compression is passed to the circuit arrangement that radio frequency transmission device 5 transmits.Specifically, image processing apparatus 7 is controlled the light-emitting device 3a of above-mentioned illuminator 3, camera head 4 and radio frequency transmission device 5 simultaneously.
Radio frequency transmission device 5 plays the image in the subject being photographed by camera head 4 is wirelessly transmitted to outside receiving system (not shown) successively, and the outside command information transmitting of reception is carried out the effect of radio communication.Specifically, radio frequency transmission device 5 has and is provided with the radio-circuit plate 5a of radio-cell 5e and magnetic field sensor 5c, the wireless signal that contains the image in subject is sent to outside antenna 5b and is provided with the supply unit (not shown) of DCDC transducer etc.5 pairs of picture signals that received by camera head 4 of this radio frequency transmission device are carried out the function that the image processing wireless signal that generation comprises the image in examinee's digestive tract afterwards sends.The wireless signal that antenna 5b generates this radio frequency transmission device 5 sends to outside receiving system (not shown) successively.Wherein be positioned at the magnetic field sensor 5c chip on radio-circuit plate 5a, it has the function of real-time induction capsule endoscope magnetic field intensity of living in, by external control device, makes the capsule endoscope can flexible motion; And gravitational field sensor 9, it has position and the relative motion of the above-mentioned capsule endoscope of real-time decision, can by capsule endoscope, the kinestate in digestive tract inside is sent to external receiving system by radio frequency transmission device 5 by antenna 5b in real time.The information transmitting by magnetic field sensor 5c and gravitational field sensor 9, gets final product so that capsule endoscope system is more flexible at digestive tract internal motion with outer control device.
In addition, after the image in the subject being photographed by camera head 4 being spread out of by above-mentioned antenna 5b system by above-mentioned radio frequency transmission device 5, by being arranged in Fig. 1 subject, being worn and receive jacket 1b and the receiving equipment that some (for example 14) can accurately receive signal is installed receives, the picture signal that capsule endoscope system is sent and position, attitude information receive in external receiving system, and are stored in the memory device of external portable recorder 1c.Finally, by USB or other on-link mode (OLM)s, be connected with external work station 1e, the image receiving is presented in display device.
Supply unit comprises the battery 6 (for example 2) with regulation electric power.Power supply circuit board 7a supplies with the driving electric of being supplied with by power-supply system to the radio-cell of radio frequency circuit board 5a.Battery 6, such as being the button type aneroid battery such as silver oxide cell, is connected with necessary quantity (for example 2) as shown in Figure 2 between power supply circuit board.Each constituent apparatus to capsule endoscope is supplied with driving electric.
Magnetic dipole 8 is formulated position for the magnetic control of capsule endoscope, mainly a Ferrite, consists of, and is jointly integrated in the inside of above-mentioned capsule endoscope 1 with above-mentioned battery 6 devices such as grade.Magnetic dipole 8 can produce a local magnetic field higher than earth's magnetic field, and external magnetic sensor, by surveying the spatial distribution of this local magnetic field and then the locus of definite capsule endoscope, is realized the magnetic control of capsule endoscope 1 position fixing process processed.
Then operation of capsule endoscope principle is described.As Fig. 5 means the fundamental diagram of capsule endoscope of the present invention.After above-mentioned photoelectricity starting switch 3c power-on control device, each constituent apparatus of capsule endoscope is supplied with to driving electric.When power control circuit (not shown) is received after open command, supply with electric power to the ring circuit plate 3b of LED control circuit, and under corresponding control command, make LED illumination array device 3a in running order, by subject adequate illumination, the while, in the situation that battery 6 is supplied with electric power, comprises that optical lens 4b, image collecting device 4a etc. are in running order.In the subject digestive tract of being taken by camera head by 7 pairs of image processing apparatus, image carries out after picture coding, data packing compression processing, pass to radio frequency transporter, the analogue signal amount of being imported into by magnetic field sensor 5c is passed to radio frequency transmission device 5 simultaneously and carry out wireless transmission, Magnetic Sensor analog parameter and image information etc. are sent in external receiving system by antenna 5b.Complete completing after the transmission of image a shooting cycle, finally by external work station, partly completed the parameter informations such as magnetic field sensor 5c and image to analyze and implement the concrete of capsule endoscope controlled flexibly.
The present invention forms a system by capsule endoscope, reception jacket, external work station and capsule localizer by the induction in magnetic field and the transmission of wireless signal.Under the work of whole system, the information of capsule endoscope in human body can be presented in the medical imaging dedicated display of external work station in real time, and can control the motion of capsule endoscope in human body by the software platform in external work station.The present invention when having realized the real-time Presentation Function of capsule endoscope image, also realized controlled can positioning function, with respect to former technology, had qualitative leap.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although the present invention is had been described in detail with reference to previous embodiment, for a person skilled in the art, its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (3)
1. a medical magnetic capsule endoscope system, comprise capsule endoscope, receive jacket, external work station, capsule localizer, described capsule endoscope comprises transparent capsule shell, camera head, illuminator, photoelectric switch, image information processing circuit, radio frequency transmission device, supply unit, magnetic field sensor and small magnet; Described reception jacket is the double-deck jacket of built-in reception antenna and Portable type recorder; Described external work station comprises personal computer, medical imaging dedicated display and software platform; Described capsule localizer is built-in sensors; Described capsule endoscope, reception jacket, external work station and capsule localizer form a system by the induction in magnetic field and the transmission of wireless signal; It is characterized in that: the magnetic field sensor in described capsule endoscope and the distance of small magnet remain on more than 2 millimeters; Small magnet in described capsule endoscope is between radio frequency transmission device and supply unit; Small magnet in described capsule endoscope is shaped as cylinder or spheroid; Described small magnet diameter is less than 12 millimeters, and weight is less than 5 grams.
2. a kind of medical magnetic capsule endoscope system according to claim 1, is characterized in that: the magnetic field sensor in described capsule endoscope is Hall element or giant magneto-resistance sensor.
3. a kind of medical magnetic capsule endoscope system according to claim 1, is characterized in that: the material of the photoelectric switch in described capsule endoscope is photodiode or phototriode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210378138.6A CN102860810B (en) | 2012-10-08 | 2012-10-08 | Medical magnetic capsule endoscope system |
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| CN201210378138.6A CN102860810B (en) | 2012-10-08 | 2012-10-08 | Medical magnetic capsule endoscope system |
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| CN102860810A CN102860810A (en) | 2013-01-09 |
| CN102860810B true CN102860810B (en) | 2014-10-29 |
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| CN103340595B (en) | 2013-07-03 | 2015-08-26 | 安翰光电技术（武汉）有限公司 | A kind of Wireless capsule endoscope and power control method thereof |
| CN103356152B (en) * | 2013-07-15 | 2016-07-06 | 中国人民解放军第二军医大学 | Capsule endoscope system containing Portable positioning device |
| CN103356154B (en) * | 2013-07-15 | 2016-07-06 | 中国人民解放军第二军医大学 | A kind of suitable in the multi-functional capsule endoscope system in digestive tract |
| CN103908216A (en) * | 2014-04-10 | 2014-07-09 | 重庆金山科技（集团）有限公司 | Capsule endoscope system with magnetic field positioning function and capsule endoscope of capsule endoscope system |
| CN104146677A (en) * | 2014-08-13 | 2014-11-19 | 上海电机学院 | Capsule endoscope and capsule endoscope system |
| CN104853067A (en) * | 2014-12-12 | 2015-08-19 | 讯美电子科技有限公司 | Camera with transparent housing |
| CN106137760B (en) * | 2015-03-26 | 2019-12-13 | 上海安翰医疗技术有限公司 | Capsule-shaped shell, preparation method thereof and capsule endoscope with capsule-shaped shell |
| GB2554354B (en) | 2016-09-21 | 2021-06-02 | Vibrant Ltd | Systems for adaptive treatment of disorders in the gastrointestinal tract |
| US11504024B2 (en) | 2018-03-30 | 2022-11-22 | Vibrant Ltd. | Gastrointestinal treatment system including a vibrating capsule, and method of use thereof |
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| US11638678B1 (en) | 2018-04-09 | 2023-05-02 | Vibrant Ltd. | Vibrating capsule system and treatment method |
| US11510590B1 (en) | 2018-05-07 | 2022-11-29 | Vibrant Ltd. | Methods and systems for treating gastrointestinal disorders |
| EP3906086A4 (en) | 2019-01-03 | 2022-10-19 | Vibrant Ltd. | Device and method for delivering an ingestible medicament into the gastrointestinal tract of a user |
| GB201900780D0 (en) | 2019-01-21 | 2019-03-06 | Vibrant Ltd | Device and method for delivering a flowable ingestible medicament into the gastrointestinal tract of a user |
| GB201901470D0 (en) | 2019-02-04 | 2019-03-27 | Vibrant Ltd | Vibrating capsule for gastrointestinal treatment, and method of use thereof |
| WO2020252940A1 (en) * | 2019-06-17 | 2020-12-24 | 深圳硅基智控科技有限公司 | Magnetic control device of capsule endoscope and method for controlling movement of capsule endoscope in tissue cavity |
| CN110292347B (en) * | 2019-07-24 | 2022-06-03 | 河南省人民医院 | Auxiliary examination device for digestive system department |
| TWI795011B (en) * | 2021-10-04 | 2023-03-01 | 晉弘科技股份有限公司 | Image sensor package and endoscope |
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Address after: 430000 No. 666 High-tech Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee after: Anhan Science and Technology (Wuhan) Co., Ltd. Address before: 430000 No. 666 High-tech Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee before: Ankon Photoelectric Technology (Wuhan) Co., Ltd. |