CN105361841A - Wireless capsule endoscope system for gastrointestinal tract diagnosis and treatment - Google Patents
Wireless capsule endoscope system for gastrointestinal tract diagnosis and treatment Download PDFInfo
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- CN105361841A CN105361841A CN201510863338.4A CN201510863338A CN105361841A CN 105361841 A CN105361841 A CN 105361841A CN 201510863338 A CN201510863338 A CN 201510863338A CN 105361841 A CN105361841 A CN 105361841A
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Abstract
The invention discloses a wireless capsule endoscope system for gastrointestinal tract diagnosis and treatment. The wireless capsule endoscope system for gastrointestinal tract diagnosis and treatment comprises an intelligent capsule, a wearable device and a displayer, wherein the wearable device comprises a transmitting circuit, a transmitting coil and an image data processor. A capsule casing comprises a head, a neck, a body and a tail, the head is connected with the neck in a swingable manner, the neck is provided with a swing driving portion and a motor, a push spiral is arranged on the outer surface of the body, two ends of the body are rotatably connected with the neck and the tail respectively, and the tail is provided with a second motor for driving the body to rotate. A receiving coil is electromagnetically coupled with the transmitting coil to generate induction current, the input end of a receiving circuit is connected with the receiving coil to receive the induction current, and the output end of the receiving circuit is used for providing powder for all components. The wireless capsule endoscope system for gastrointestinal tract diagnosis and treatment has the advantages that a lens shift adjuster adjusts a focal distance of a lens so as to obtain clearer images, and the swing design of the head is beneficial to achievement of omni-directional examination.
Description
Technical field
The present invention relates to medical endoscope, be specifically related to a kind of wireless capsule endoscope system.
Background technology
Along with the rhythm of life of human society constantly promotes, it is more and more higher that the disease corresponding to the digestive system disease caused because of operating pressure and dietary unbalance all over the world sends out rate.Medical personnel are checked human gastrointestinal tract by pusher endoscope traditionally, and wherein, pusher endoscope comprises hard pipe type endoscope, Ban Kequshi endoscope, fibre optic endoscopes and fujinon electronic video endoscope.
The mode that above-mentioned conventional endoscope all adopts machinery to insert, concrete, through the natural hole of human body, or the minimal incision * that underwent operative is done enters in human body.During use, endoscope is imported the organ of preliminary examination, directly can spy on the change of relevant portion.But such inspection method exists following shortcoming or deficiency: (1), this inspection method only can cover duodenum, the colon portion of upper digestive tract and lower digestive tract, most little intestinal segment cannot be detected; (2), this inspection method has the danger that cross infection and complication occur; (3), patient need in checking process anesthesia to palliate the agonizing sufferings, the sense of discomfort of catheterization procedure can only be stood to the patient of anesthetis allergy; (4), the requirement of this inspection method to doctor be higher, there is the hidden danger of human error; (5), patient's acceptance level is low.
In order to overcome the deficiency of conventional endoscope, people have done a lot of research, it is the medical non-invasive diagnostic techniques grown up nearly ten years that Wireless capsule endoscope detects, by integrated LED illumination chip, imaging device, wireless transport module and a power source there is common pill size can swallowable capsule endoscope, in human body intestines and stomach, perform focus detect, and by the intestines and stomach image wireless transmission to peripheral receiving system, carry out online or off-line diagnosis on a workstation by exper ienced doctor.Wireless capsule endoscope overcomes the shortcoming that traditional pusher Gastrointestinal Endoscopes has traumatic pain hardship, detection range limited (can only detect small intestinal front end) and there is cross infection.Patient only need swallow the capsule of a common pill size, and doctor just can obtain the picture of the full section of patient's small intestinal and make diagnosis.
Calendar year 2001 Israel GivenImaging company releases first commercial capsule endoscope M2A, is encapsulated in capsule, enters gastrointestinal tract detect by human body after being swallowed after it is integrated by LED, imageing sensor, control circuit and button cell etc.Due to space constraint, the button cell limited amount that capsule endoscope M2A carries, in order to save energy to lengthen working hours, must reduce image frame per second.Except fixed point detection type, the image acquisition rates at present for clinical capsule endoscope is only 2 ~ 3 frames/second, and resolution is also lower, cannot do omnidistance indagation to human gastrointestinal tract.
As Chinese patent discloses the Wearable wireless energy transmission equipment for capsule endoscope that No. CN104382547A provides a kind of endoscope class technical field, comprising: be arranged at the transmitting coil in external Wearable vest and countdown circuit, the camera lens be arranged in capsule, illumination apparatus, imageing sensor, micro-control unit, communication module, receiving circuit and receiving coil.But still there is following shortcoming or deficiency in this invention: (1), do not comprise oscillating head mechanism due to this equipment, therefore this capsule endoscope cannot carry out scanning to corner tissue in body cavity takes pictures, and then easily produce inspection blind area, be unfavorable for that comprehensive observation detects endoceliac tissue; (2), this equipment does not comprise automatic focusing controller, due to mechanism of bodily cavity tissue more complicated, the focal length of this equipment not by adjustable lens in checking process realizes seesawing of camera lens and then obtains tissue image clearly, causes the inconvenience in use.
And for example Chinese patent discloses No. CN102860810B and provides a kind of medical magnetic capsule endoscope system, comprise capsule endoscope, receive jacket, external work station, capsule localizer, capsule endoscope comprises transparent capsule shell, camera head, illuminator, photoelectric switch, image information processing circuit, radio frequency transmission device, supply unit, magnetic field sensor, small magnet.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.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.But still there is following shortcoming or deficiency in this invention: (1), do not comprise oscillating head mechanism due to this equipment, therefore this capsule endoscope cannot carry out scanning to corner tissue in body cavity takes pictures, and then easily produce inspection blind area, be unfavorable for that comprehensive observation detects endoceliac tissue; (2), this equipment does not comprise automatic focusing controller, due to mechanism of bodily cavity tissue more complicated, the focal length of this equipment not by adjustable lens in checking process realizes seesawing of camera lens and then obtains tissue image clearly, causes the inconvenience in use.
In sum, provide a kind of longevity of service, visual field dark and can the wireless capsule endoscope system of automatic focusing be urgent problem in the industry.
Summary of the invention
The object of this invention is to provide a kind of longevity of service and the wireless capsule endoscope system of head oscillation can be realized.
In order to achieve the above object, the invention provides a kind of wireless capsule endoscope system for gastrointestinal tract diagnosis and treatment, this system comprises: intelligent capsule, be configured to receive intelligent capsule send view data and for intelligent capsule wireless energy supply Wearable device and be configured to show Wearable device transmission data display, intelligent capsule comprises: capsule shell, be installed on the camera lens in capsule shell, the front end of surrounding lens arranges and is fixed on the ring illumination module for providing light source of the inwall of capsule shell, the rear end of surrounding lens arranges and is fixed on the lens displacement actuator for adjustable lens focal length of the inwall of capsule shell, be located at camera lens rear for the optical signal of camera lens being converted to the imageing sensor of the signal of telecommunication, to be connected by data wire with imageing sensor and data source for launching view data, for being ring illumination module, imageing sensor, the receiving coil that data source provides the receiving circuit of electric power and is connected with the input of receiving circuit, capsule shell comprises head, cervical region, body portion and afterbody, ring illumination module, camera lens, lens displacement actuator, imageing sensor, data source, receiving circuit and receiving coil are installed on head successively, head is connected in swingable mode with cervical region, cervical region is provided with wobble drive portion and for driving first motor in wobble drive portion, the outer surface in body portion is provided with propelling spiral, the two ends in body portion are connected in a rotatable manner with cervical region and afterbody respectively, and the afterbody in capsule shell is provided with the second motor driving the rotation of body portion, wearable device comprises radiating circuit, the transmitting coil be connected with radiating circuit and for receiving and processing the image data processor that data source transmits data, transmitting coil powers to produce alternating magnetic field by portable power source, receiving coil and transmitting coil electromagnetic coupled are to produce faradic current, the input of receiving circuit is connected to receive faradic current with receiving coil, the outfan of receiving circuit is connected to be respectively each element with ring illumination module, imageing sensor, data source, the first motor and the second motor provides electric power.
Preferably, head is connected by pivot hinge with cervical region; Wobble drive portion comprises cam, push rod, guide block and Compress Spring; Cam is fixed on the motor shaft of the first motor; The side of pivot hinge is located at by push rod, and one end of push rod is connected to head by spherical linkage, and the other end of push rod is placed on the outer peripheral face of cam; On the inwall that guide block is fixed on cervical region and the guide groove be provided with for guiding push rod movement; Compress Spring is located at the opposite side of pivot hinge and two ends are connected to head and cervical region, the push rod when cam is turned to most high workload location point by minimum operating position point is made to overcome the elastic force of Compress Spring by the side oscillation of head towards Compress Spring, and the side oscillation when cam is turned to minimum operating position point by most high workload location point towards push rod under the elastic restoring force effect of head at Compress Spring.Particularly, cam rotates under the drive of the first motor, and the rotation of cam makes push rod move reciprocatingly, by the moving up and down and realize the swing of head repeatedly of push rod; When push rod is issued to peak in the rotation of cam, head swings to the direction away from push rod and then applies pressure to Compress Spring, and Compress Spring swings near the direction of push rod to head release elastic force to realize head.
Particularly, when Compress Spring is arranged so that cam turns to minimum operating position point by most high workload location point, the elastic restoring force of Compress Spring acts on head all the time.
Selectively, the top of push rod is connected by the spherical linkage being positioned at pivot hinge side can be configured to head: the top of push rod is formed can around the ball seat of the axis pivotable parallel with the pivot axis of pivot hinge, head forms bulb, bulb and ball seat form spherical linkage and are connected, and vice versa.
Selectively, the top of push rod is connected by the spherical linkage being positioned at pivot hinge side can be configured to head: the top of push rod forms the first ball seat, head forms the second ball seat, adopt a short connecting rod, the two ends of short connecting rod form the first bulb and the second bulb respectively, first bulb and the first ball seat form spherical linkage and are connected, and the second bulb and the second ball seat form spherical linkage and be connected.
Selectively, the top of push rod is connected with head by the flexible connector being positioned at pivot hinge side, such as adopts rubber bar or flexible cable to connect.
Selectively, the emission current of transmitting coil is 0.7 ~ 2.5A.
Selectively, the second motor is connected by motor shaft with body portion.
Particularly, receiving circuit comprises the full bridge inverter of series connection, commutation capacitor and mu balanced circuit, and wherein: the input of full bridge inverter is connected with receiving coil, the outfan of mu balanced circuit is connected with ring illumination module, imageing sensor, data source.
Particularly, receiving coil comprises three dimensional coils, and the coil of each dimension forms resonant tank with corresponding capacitance respectively, and the resonant frequency of resonant tank is identical with the characteristic frequency of transmitting coil.
Selectively, receiving coil be 8 ~ 11 dividends hereby wire-wound system form.
Selectively, receiving coil comprises the rectangular parallelepiped core that cross sectional dimensions is 6.0 ~ 7.0mm × 6.5 ~ 8.0mm.
Selectively, wearable device also comprises the automatic focusing controller for launching focusing control signal to the lens displacement actuator in intelligent capsule, the lens displacement actuator of intelligent capsule receives focusing control signal and focuses to realize camera lens to the camera lens in intelligent capsule and seesaws, and then obtains image clearly.
Particularly, the most high workload location point of cam and minimum operating position point correspond respectively to the full swing angle of head to both sides.
Selectively, head is connected by pivot hinge with cervical region; Wobble drive portion comprise be connected by motor shaft with the first motor gear, with the tooth bar of gears meshing, tooth bar and head hinged, gear makes gear pump under the rotation of the first motor, and then realizes the swing of head.
Selectively, the pivotable between head and cervical region is hinged can be realized in the following manner: be fixedly installed pivotal axis at head, and be fixedly installed pivotable axle sleeve at cervical region, and pivotal axis rotates thus realizes head and cervical region relatively rotates in axle sleeve.
Preferably, flexible corrugated pipe is provided with between head and cervical region, with the shell of head and cervical region, the two ends of flexible corrugated pipe are connected that wobble drive portion is sealed in flexible corrugated pipe inside respectively, avoid bringing unnecessary injury to gastrointestinal tissue, do not hinder head relative to the swing of cervical region simultaneously.
The invention has the beneficial effects as follows: (1), due to the capsule inner shell of this capsule endoscope comprise head, cervical region, body portion and afterbody and therebetween all by be flexibly connected, make whole capsule endoscope can move in vivo flexibly under the effect of external magnetic force like this; (2), this capsule endoscope receives the magnetic field of external emission coil generation to produce faradic current and then to be whole system energy supply, instead of traditional button cell energy supply, save space and achieved long-time energy supply, having ensure that the continuous firing of this equipment; (3), this equipment comprises the wobble drive portion for drive head motion, and then achieve freely swinging of head, be conducive to the tissue in the comprehensive observation body of camera lens in head, and this wobble drive cage structure is simple, cost is low, and the angle that can be controlled flexibly by the rotation of control first motor to swing, frequency and time; (4), this equipment comprises lens displacement actuator for adjustable lens focal length, and when checked bodily cavity tissue's mechanism's more complicated, this equipment can realize seesawing of camera lens by the focal length of adjustable lens and then obtain tissue image clearly.
Accompanying drawing explanation
Fig. 1 is the wireless capsule endoscope system schematic diagram of the present invention for gastrointestinal tract diagnosis and treatment.
Fig. 2 is the partial schematic diagram of the present invention for the head of the intelligent capsule of the wireless capsule endoscope system of gastrointestinal tract diagnosis and treatment.
Fig. 3 is the organigram of the present invention for the intelligent capsule of the wireless capsule endoscope system of gastrointestinal tract diagnosis and treatment.
Fig. 4 is that in the embodiment of the present invention 1, head and cervical region drive annexation schematic diagram.
Fig. 5 is the view that the embodiment of the present invention 1 cam is positioned at most high workload location point.
Fig. 6 is the view that the embodiment of the present invention 1 cam is positioned at minimum operating position point.
Detailed description of the invention
Below by with reference to drawings and Examples, the present invention is further elaborated, but these elaborations do not do any type of restriction to the present invention.Unless otherwise stated, the implication that all Science and Technology terms used herein have belonging to the present invention and the those skilled in the art of correlative technology field understand usually.
Embodiment 1
The invention provides a kind of wireless capsule endoscope system for gastrointestinal tract diagnosis and treatment, as shown in Figure 1, this system comprises: intelligent capsule 100, be configured to receive the view data that intelligent capsule 100 sends and for intelligent capsule 100 wireless energy supply Wearable device 200 and be configured to show Wearable device 200 and transmit the display 300 of data.
As shown in Figure 2, intelligent capsule 100 comprises: capsule shell 110, be installed on the camera lens 111 in capsule shell, the front end of surrounding lens 111 arranges and is fixed on the ring illumination module 112 for providing light source of the inwall of capsule shell 110, the rear end of surrounding lens 111 arranges and is fixed on the lens displacement actuator 113 for adjustable lens 111 focal length of the inwall of capsule shell 110, be located at camera lens 111 rear for the optical signal of camera lens 111 being converted to the imageing sensor 114 of the signal of telecommunication, to be connected by data wire with imageing sensor 114 and data source 115 for launching view data, for being ring illumination module 112, imageing sensor 114, the receiving coil 117 that data source 115 provides the receiving circuit 116 of electric power and is connected with the input of receiving circuit.Particularly, receiving circuit 116 comprises the full bridge inverter of series connection, commutation capacitor and mu balanced circuit, wherein: the input of full bridge inverter is connected with receiving coil 117, the outfan of mu balanced circuit is connected with ring illumination module 112, imageing sensor 114, data source 115, and the regulator rectifier circuit of receiving circuit 116 forms galvanic current thus is whole system energy supply.
As shown in Figure 3, capsule shell 110 comprises head 1101, cervical region 1102, body portion 1103 and afterbody 1104.Camera lens 111, ring illumination module 112, lens displacement actuator 113, imageing sensor 114, data source 115, receiving circuit 116 and receiving coil 117 are installed on head 1101 successively, and head 1101 is connected in swingable mode with cervical region 1102.Cervical region 1102 is provided with wobble drive portion 400 and for driving first motor 500 in wobble drive portion 400.The outer surface in body portion 1103 is provided with and advances spiral 11035, and the two ends in body portion 1103 are connected in a rotatable manner with cervical region 1102 and afterbody 1104 respectively, and the afterbody 1104 in capsule shell 110 is provided with the second motor 600 driving body portion 1103 rotation.Wherein, the second motor 600 is connected by the second motor shaft (not shown) with body portion 1103.
The cervical region of this intelligent capsule 100 is installed and drive head 1101 can be carried out the wobble drive portion 400 that swings, this intelligent capsule 100 is advanced freely in the gastrointestinal tract and is carried out coordination shooting by the swing of head 1101 in stagnation process, what can check that some endoscopies cannot overall enter like this organizes corner, improve the quality of inspection, expand the scope of inspection, achieve comprehensive observation.
Wearable device 200 comprises radiating circuit (not shown), the transmitting coil (not shown) be connected with radiating circuit and for receiving and processing the image data processor (not shown) that data source 115 transmits data.Particularly, transmitting coil powers to produce alternating magnetic field by portable power source, receiving coil 117 and transmitting coil electromagnetic coupled are to produce faradic current, the input of receiving circuit 116 is connected to receive faradic current with receiving coil 117, and the outfan of receiving circuit 116 is connected to be respectively each element with ring illumination module 112, imageing sensor 114, data source 115, first motor 500 and the second motor 600 provides electric power.
In this non-limiting embodiment, receiving coil 117 be 8 dividends hereby wire-wound system form, receiving coil 117 comprises the magnetic core being of a size of 6.0mm × 6.5mm, receiving coil 117 is three dimensional coils, the coil of each dimension forms resonant tank with corresponding capacitance respectively, and the resonant frequency of resonant tank is identical with the characteristic frequency of transmitting coil.
In this non-limiting embodiment, the emission current of transmitting coil is 0.7.
In addition, wearable device 200 also comprises the automatic focusing controller (not shown) for launching focusing control signal to the lens displacement actuator 113 in intelligent capsule 100.The lens displacement actuator 113 of intelligent capsule 100 receives focusing control signal that automatic focusing controller launches and focuses to realize camera lens 111 to the camera lens 111 in intelligent capsule 100 and seesaws, and then obtains image clearly.Particularly, when in intelligent capsule 100 in vivo testing process, if the not fogging clear or medical personnel occurring to gather wish to see more clearly gastrointestinal tract inwall image time, the automatic focusing controller on wearable device 200 can be operated thus launch corresponding focusing control signal to lens displacement actuator 113 and then realize controlling the focusing of camera lens 111, again to obtain gastrointestinal tract inwall image clearly.
As shown in Figure 4, head 1101 is connected by pivot hinge 1105 with cervical region 1102.Wobble drive portion 400 comprises cam 410, push rod 412, guide block 413 and Compress Spring 414.Cam 410 is fixed on the first motor shaft 510 of the first motor 500.The side of pivot hinge 1105 is located at by push rod 412, and one end of push rod 412 is connected to head 1101 by spherical linkage 1106, and the other end of push rod 412 is placed on the outer peripheral face of cam 410.On the inwall that guide block 413 is fixed on cervical region 1102 and the guide groove (non-label) be provided with for guiding push rod 412 movement.Compress Spring 414 is located at the opposite side of pivot hinge 1105 and two ends are connected to head 1101 and cervical region 1102, the push rod 412 when cam 410 is turned to most high workload location point by minimum operating position point is made to overcome the elastic force of Compress Spring 414 by the side oscillation of head 1101 towards Compress Spring 414, specifically see Fig. 5.As shown in Figure 6, the side oscillation when cam 410 is turned to minimum operating position point by most high workload location point towards push rod 412 under the elastic restoring force effect of head 1101 at Compress Spring 414.
Particularly, cam 410 rotates under the drive of the first motor 500, and the rotation of cam 410 makes push rod 412 pump, and realizes the swing of head 1101 by moving up and down of push rod 412.When push rod 412 is issued to peak in the rotation of cam 410, head 1101 swings to the direction away from push rod 412 and then applies pressure to Compress Spring 414; When push rod 412 moves to minimum point under the rotation of cam 410, Compress Spring 414 discharges elastic force to head 1101 and swings near the direction of push rod 412 to realize head 1101.Wherein, when Compress Spring 414 is arranged so that cam 410 turns to minimum operating position point by most high workload location point, the elastic restoring force of Compress Spring 414 acts on head 1101 all the time, and the most high workload location point of cam 410 and minimum operating position point correspond respectively to the full swing angle of head 1101 to both sides.
Embodiment 2
Other side is identical with embodiment 1, difference is: wobble drive portion 400 comprise be connected by the first motor shaft 510 with the first motor 500 gear, with the tooth bar of gears meshing, one end of tooth bar is connected with head 1101 by spherical linkage, gear replaces Direct/Reverse and rotates to be with carry-over bar to pump under the driving of the first motor 500, thus realizes the swing of head 1101.Wherein, the first motor 500 is arranged to carry out regular rotating.
Embodiment 3
Other side is identical with embodiment 1, and difference is: the emission current of transmitting coil is 2.5A, receiving coil 117 be 11 dividends hereby wire-wound system form, receiving coil 117 comprises the magnetic core being of a size of 6.5mm × 7.0mm.
Embodiment 4
Other side is identical with embodiment 1, and difference is: the emission current of transmitting coil is 2.0A, receiving coil 117 be 10 dividends hereby wire-wound system form.
Embodiment 5
Other side is identical with embodiment 1, and difference is: receiving coil 117 comprises the magnetic core being of a size of 7.0mm × 8.0mm.
Below be only the preferred embodiment of the present invention; should be understood that; for those skilled in the art; under the prerequisite not departing from the technology of the present invention principle; some improvement and modification can also be made; these improve and modification also should be considered as protection scope of the present invention, and such as, head can be connected by spherical linkage with cervical region.
Claims (10)
1., for a wireless capsule endoscope system for gastrointestinal tract diagnosis and treatment, this system comprises: intelligent capsule, be configured to receive view data that described intelligent capsule sends and for described intelligent capsule wireless energy supply Wearable device and be configured to show the display of described Wearable device transmission data;
It is characterized in that:
Described intelligent capsule comprises: capsule shell, be installed on the camera lens in described capsule shell, front end around described camera lens arranges and is fixed on the ring illumination module for providing light source of the inwall of described capsule shell, rear end around described camera lens arranges and is fixed on the lens displacement actuator for adjustable lens focal length of the inwall of described capsule shell, be located at described camera lens rear for the optical signal of described camera lens being converted to the imageing sensor of the signal of telecommunication, to be connected by data wire with described imageing sensor and data source for launching view data, for being described ring illumination module, described imageing sensor, the receiving coil that described data source provides the receiving circuit of electric power and is connected with the input of described receiving circuit,
Described capsule shell comprises head, cervical region, body portion and afterbody, described ring illumination module, described camera lens, described lens displacement actuator, described imageing sensor, described data source, described receiving circuit and described receiving coil are installed on described head successively, described head is connected in swingable mode with described cervical region, described cervical region is provided with wobble drive portion and for driving first motor in described wobble drive portion, the outer surface in described body portion is provided with propelling spiral, the two ends in described body portion are connected in a rotatable manner with described cervical region and described afterbody respectively, described afterbody in described capsule shell is provided with the second motor driving described body portion rotation, and
Described wearable device comprises radiating circuit, the transmitting coil be connected with described radiating circuit and transmits the image data processor of data for receiving also processing said data emitter; Described transmitting coil powers to produce alternating magnetic field by portable power source, described receiving coil and described transmitting coil electromagnetic coupled are to produce faradic current, the input of described receiving circuit is connected to receive faradic current with described receiving coil, and the outfan of described receiving circuit is connected to be respectively each element with described ring illumination module, described imageing sensor, described data source, described first motor and described second motor provides electric power.
2., as claimed in claim 1 for the wireless capsule endoscope system of gastrointestinal tract diagnosis and treatment, it is characterized in that, described head is connected by pivot hinge with described cervical region; Described wobble drive portion comprises cam, push rod, guide block and Compress Spring; Described cam is fixed on the motor shaft of described first motor; The side of described pivot hinge is located at by described push rod, and one end of described push rod is connected to described head by spherical linkage, and the other end of described push rod is placed on the outer peripheral face of described cam; On the inwall that described guide block is fixed on described cervical region and the guide groove be provided with for guiding described push rod movement; Described Compress Spring is located at the opposite side of described pivot hinge and two ends are connected to described head and described cervical region, the described push rod when described cam is turned to most high workload location point by minimum operating position point is made to overcome the elastic force of described Compress Spring by the side oscillation of described head towards described Compress Spring, and the side oscillation when described cam is turned to described minimum operating position point by described most high workload location point towards described push rod under the elastic restoring force effect of described head at described Compress Spring.
3. as claimed in claim 2 for the wireless capsule endoscope system of gastrointestinal tract diagnosis and treatment, it is characterized in that, when described Compress Spring is arranged so that described cam turns to described minimum operating position point by described most high workload location point, the elastic restoring force of described Compress Spring acts on described head all the time.
4., as claimed in claim 1 for the wireless capsule endoscope system of gastrointestinal tract diagnosis and treatment, it is characterized in that, the emission current of described transmitting coil is 0.7 ~ 2.5A.
5., as claimed in claim 1 for the wireless capsule endoscope system of gastrointestinal tract diagnosis and treatment, it is characterized in that, described second motor is connected by motor shaft with described body portion.
6. as claimed in claim 1 for the wireless capsule endoscope system of gastrointestinal tract diagnosis and treatment, it is characterized in that, described receiving circuit comprises the full bridge inverter of series connection, commutation capacitor and mu balanced circuit, wherein: the input of described full bridge inverter is connected with described receiving coil, the outfan of described mu balanced circuit is connected with described ring illumination module, described imageing sensor, described data source.
7. as claimed in claim 6 for the wireless capsule endoscope system of gastrointestinal tract diagnosis and treatment, it is characterized in that, described receiving coil comprises three dimensional coils, and the coil of each dimension forms resonant tank with corresponding capacitance respectively, the resonant frequency of described resonant tank is identical with the characteristic frequency of described transmitting coil.
8., as claimed in claim 7 for the wireless capsule endoscope system of gastrointestinal tract diagnosis and treatment, it is characterized in that, described receiving coil be 8 ~ 11 dividends hereby wire-wound system form.
9., as claimed in claim 8 for the wireless capsule endoscope system of gastrointestinal tract diagnosis and treatment, it is characterized in that, described receiving coil comprises the magnetic core that cross sectional dimensions is 6.0 ~ 7.0mm × 6.5 ~ 8.0mm.
10. the wireless capsule endoscope system for gastrointestinal tract diagnosis and treatment according to any one of claim 1 ~ 9, it is characterized in that, described wearable device also comprises the automatic focusing controller for launching focusing control signal to the lens displacement actuator in described intelligent capsule, the lens displacement actuator of described intelligent capsule receives focusing control signal and focuses to realize camera lens to the camera lens in described intelligent capsule and seesaws, and then obtains image clearly.
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| CN110151107A (en) * | 2019-04-26 | 2019-08-23 | 群曜医电股份有限公司 | A kind of wired alimentary canal capsule for treating gastropathy introscope and magnetic control means |
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| CN112370000B (en) * | 2020-11-10 | 2022-03-11 | 华中科技大学鄂州工业技术研究院 | Endoscope with flexibly movable lens |
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