CN207679420U - Twin-lens capsule type endoscope with guiding device - Google Patents
Twin-lens capsule type endoscope with guiding device Download PDFInfo
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- CN207679420U CN207679420U CN201720521883.XU CN201720521883U CN207679420U CN 207679420 U CN207679420 U CN 207679420U CN 201720521883 U CN201720521883 U CN 201720521883U CN 207679420 U CN207679420 U CN 207679420U
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Abstract
The utility model is related to a kind of twin-lens capsule type endoscopes with guiding device,It is characterized in that,It includes capsule housing,The opaque occulter being arranged in capsule housing,Transparent light guide body,Preceding camera,Rear camera,Flexible PCB,Lighting device,Permanent magnet,Radio signal transmission device,Information processing unit and motion sensor,The guiding device of the utility model uses two parts composite structure (opaque occulter and transparent light guide body),On the one hand the above-mentioned design of the utility model can enhance light guide effect,Keep light only incident from transparent light guide body,Opaque occulter can shield portions be incident on the stray light of camera lens,Increase light guide effect,The close-fitting transparent optical dome inner wall together with camera lens simultaneously,The generation of stray light can be reduced to greatest extent,In addition the utility model uses the twin-lens coordinated with guiding device to design,Keep shooting image apparent,The design for being close to inner wall simultaneously saves the limited space of capsule.
Description
Technical field
The utility model is related to the field of medical instrument technology, and in particular to a kind of twin-lens capsule-type with guiding device
Endoscope.
Background technology
Capsule endoscope has become effective equipment of disease of digestive tract diagnosis due to its high reliability, high security at present,
Receive the highly recognition of International Medical instrument field.Photographic device, image processing apparatus and the nothing that capsule endoscope has
Line transmitting device etc. can be during by alimentary system to devices such as stomach or intestines by being swallowed from mouth by examinee
Official shoots, and by photographing information by being wirelessly transmitted to device outside, these information are received by external reception device, then
Display is on the display device.No pain, hurtless measure human gastrointestinal tract wriggling state under, medical staff can be aobvious according to being shown in
Show that the image in equipment can carry out examinee the diagnosis of enterogastric diseases.
Since the emphasis of operation of capsule endoscope is the acquisition to intracorporeal organ image, then for the matter of acquired image
Amount just has very high requirement.Traditional capsule endoscope uses built-in cmos image sensor in transparent optical circular mostly
Top is internal, and people digest road internal image is obtained by being shot after the lighting apparatus polishing such as LED.But works as and beaten using LED
After light, since traditional transparent optical dome inevitably has refraction and the reflection characteristic of light, cause by imaging sensor
Often there is the problems such as brightness disproportionation, exposure in the image of capture, shoot many unsharp invalid images.Such consequence
The problems such as exactly will appear missing inspection, reduces the reliability of inspection, while also increasing burden to doctor and checking difficulty.
The Chinese invention patent that number of patent application is 201610119113.2《A kind of lightguide for capsule endoscope
Part》, which increases a leaded light device in conventional capsules endoscope, which is a column-shape showering, by bottom surface, outside
Face, medial surface composition, medial surface have total reflection film, the camera lens visual field are made to increase, and illumination region is uniform.The technology can make LED's
Light source uniform in light emission, but can only also optimize the stray light of a part, due to camera lens and capsule endoscope transparent optical dome it
Between distance, dome still has the reflection of light with refraction, while the camera lens for being in the light necessarily also has portion when shooting
The interference for dividing stray light, to influence the clarity that capsule endoscope shoots distant view image.It is increased based on conventional lenses simultaneously
Leaded light device, in the capsule endoscope that stomach uses, shooting longer-distance image equally cannot reach clearly
Effect.
Simultaneously because increased leaded light device, when for shooting close-up images, due to the total reflection film on leaded light device
There is part shaded effect so that the luminous flux for being incident on camera lens weakens, to take clearly image.Simultaneously because
The design size of leaded light device is fixed value, can not adapt to different imaging sensors and use.
Invention content
The purpose of this utility model is to provide a kind of twin-lens capsule type endoscope with guiding device, the endoscopes
The interference that stray light can be reduced improves the signal-to-noise ratio of image, while the structure of twin-lens makes capsule that can all clap under any circumstance
Take the photograph clear picture.
To achieve the above object, a kind of twin-lens capsule type endoscope with guiding device disclosed by the utility model,
It is characterized in that, it includes capsule housing, the opaque occulter that is arranged in capsule housing, transparent light guide body, preceding camera,
Rear camera, flexible PCB (Flexible Printed Circuit, FPC), lighting device, permanent magnet, radiofrequency signal pass
Defeated device, information processing unit and motion sensor, wherein one end of the capsule housing is hyalomere before capsule housing, glue
The other end of softgel shell body is hyalomere after capsule housing, and the flexible PCB is stuck in the madial wall of capsule housing, proactive picture
Hyalomere before capsule housing is withstood in the camera lens front end of head, and the back seat of preceding camera is arranged in flexible circuit front edge of board, preceding camera
Lateral wall is cased with opaque occulter, and the lateral wall of the opaque occulter is socketed transparent light guide body, transparent light guide body it is outer
Side wall is contacted with hyalomere inner wall before capsule housing, and the back seat of rear camera is arranged in flexible PCB rear end, rear camera
There is behind camera lens front end and capsule housing between hyalomere gap, flexible circuit front edge of board lighting device, flexible PCB is arranged
Rear end is also provided with lighting device, and the radio signal transmission device, information processing unit and motion sensor are arranged in flexible electrical
On the plate of road, the signal output end of preceding camera and rear camera is separately connected the first picture signal input terminal of information processing unit
The control letter of each lighting device is connected with the illumination control signal output end of the second picture signal input terminal, information processing unit
Number input terminal, the capsule position of the signal output end link information processing unit of motion sensor and attitude signal input terminal, forever
Magnet is fixedly mounted on flexible PCB, and the radio frequency signal communication end of described information processing unit connects frequency signal transmitting apparatus
Communication ends.
The beneficial effects of the utility model：
1, the utility model uses the capsule type endoscope of twin-lens, withstands the preceding camera of hyalomere before capsule housing,
Field range can be increased, the longer-distance image of shooting, rear camera is suitble to be suitble to gap with hyalomere after capsule housing
The image of short distance is shot, in addition, the utility model is equipped with permanent magnetism physical efficiency adjusts capsule endoscope posture as needed, from
And select suitable camera lens shooting image.
2, the preceding camera lateral wall of the utility model is cased with opaque occulter, the lateral wall socket of opaque occulter
Transparent light guide body can avoid due to interference of stray light caused by camera lens close-fitting transparent shell, when capsule is in the larger stomach of cavity
Portion, and when apart from stomach inner wall farther out, clearly remote stomach image can be also taken under the irradiation of strong light；When capsule close to
Stomach inner wall does not have the rear camera of guiding device using the other end, can take clearly low coverage when needing to shoot close shot image
From image.
3, the permanent magnet of the utility model controls the overturning of capsule endoscope under external magneticaction, and reinfored glue is intracapsular to peep
The active control effect of mirror keeps camera lens selection freer.
4, the guiding device of the utility model uses two parts composite structure (opaque occulter and transparent light guide body), this
On the one hand the above-mentioned design of utility model can enhance light guide effect, keep light only incident from transparent light guide body, opaque occulter
Can shield portions be incident on the stray light of camera lens, increase light guide effect, while the close-fitting transparent optical dome inner wall together with camera lens,
The generation that stray light can be reduced to greatest extent, keeps shooting image apparent, while the design for being close to inner wall saves in capsule
The limited space in portion.
Description of the drawings
Fig. 1 is the longitudinal cross-section structural schematic diagram of the utility model；
Fig. 2 is the cross-sectional structure schematic diagram of hyalomere before capsule housing in the utility model；
Fig. 3 is the structural schematic diagram of opaque occulter, transparent light guide body and preceding camera part in the utility model；
Fig. 4 is the functional block diagram of the circuit part of the utility model；
Fig. 5 is guiding device schematic cross-section in the utility model.
Wherein, hyalomere, 1.3-glue after hyalomere, 1.2-capsule housings before 1-capsule housing, 1.1-capsule housings
Opaque portion, 2-opaque occulters, 2.1-transparent light guide bodies, 2.2-column bottom surfaces, the bent outside of 2.3-columns among softgel shell body
Behind face, 2.4-column medial surfaces, 2.5-cone bottom surfaces, 2.6-cone lateral surfaces, 2.7-cone medial surfaces, 3-preceding cameras, 3.1-
Camera, 3.2-optical lenses, 3.3-imaging sensors, 4-flexible PCBs, 5-lighting devices, 6-permanent magnets, 7-
Radio signal transmission device, 8-power supplys, 9-information processing units, 10-motion sensors.
Specific implementation mode
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail：
A kind of twin-lens capsule type endoscope with guiding device of the utility model, as shown in Fig. 1~5, it includes
Capsule housing 1, the opaque occulter 2 being arranged in capsule housing 1, transparent light guide body 2.1, preceding camera 3, rear camera
3.1, flexible PCB 4, lighting device 5, permanent magnet 6, radio signal transmission device 7, information processing unit 9 and motion sensor
10, wherein one end of the capsule housing 1 is hyalomere 1.1 before capsule housing, and the other end of capsule housing 1 is capsule housing
Hyalomere 1.2 afterwards, the flexible PCB 4 be stuck in the madial wall of capsule housing 1 (flexible PCB 4 bending be mounted on capsule
In shell 1), hyalomere 1.1 before capsule housing is withstood in the camera lens front end of preceding camera 3, and the back seat of preceding camera 3 is arranged in flexibility
4 front end of circuit board, 3 lateral wall of preceding camera are cased with opaque occulter 2, and the lateral wall socket of the opaque occulter 2 is saturating
The lateral wall of bright light guide 2.1, transparent light guide body 2.1 is contacted with 1.1 inner wall of hyalomere before capsule housing, rear camera 3.1
Back seat setting has behind 4 rear end of flexible PCB, the camera lens front end of rear camera 3.1 and capsule housing between hyalomere 1.2
Lighting device 5 is arranged in gap, 4 front end of flexible PCB, and 4 rear end of flexible PCB is also provided with lighting device 5, the radiofrequency signal
Transmitting device 7, information processing unit 9 and motion sensor 10 are arranged on flexible PCB 4, preceding camera 3 and rear camera
3.1 signal output end is separately connected the first picture signal input terminal and the second picture signal input terminal of information processing unit 9,
The illumination control signal output end of information processing unit 9 connects the control signal input of each lighting device 5, motion sensor
The capsule position of 10 signal output end link information processing unit 9 and attitude signal input terminal, permanent magnet 6 are fixedly mounted on soft
Property circuit board 4 on, the communication ends of the radio frequency signal communication end of described information processing unit 9 connection radio signal transmission device 7.Letter
Breath processing unit 9 realizes that data communicate by radio signal transmission device 7 with external host.
In above-mentioned technical proposal, be additionally provided with power supply 8 on flexible PCB 4, the power supply 8 respectively forwardly camera 3, after take the photograph
As head 3.1, lighting device 5, radio signal transmission device 7, information processing unit 9 and motion sensor 10 are powered.
In above-mentioned technical proposal, since hyalomere 1.1 before capsule housing is withstood in the camera lens front end of preceding camera 3 so that mirror
The field angle m of head shooting increases, and can expand field range.
In above-mentioned technical proposal, the cross section of transparent light guide body 2.1 is cyclic annular column-shape showering, which includes column bottom
Face 2.2, column song lateral surface 2.3 and column medial surface 2.4, the column song lateral surface 2.3 connect with 1.1 inner wall of hyalomere before capsule housing
It touches, the angle β between 4 front plan of the column bottom surface 2.2 and flexible PCB is 5~10 °, column medial surface 2.4 and flexible electrical
Angle γ between 4 front plan of road plate is 78~83 °, and the angle α between the column medial surface 2.4 and column bottom surface 2.2 is 60
~88 °.
In above-mentioned technical proposal, the cross section of the opaque occulter 2 is cyclic annular conical surface body, which includes
Bottom surface 2.5, cone lateral surface 2.6 and cone medial surface 2.7 are bored, the cone bottom surface 2.5 is parallel with 4 front end of flexible PCB, cone outside
The lower half in face 2.6 is bonded with the column medial surface 2.4 of transparent light guide body 2.1, before the first half and capsule housing of boring lateral surface 2.6
The madial wall of hyalomere 1.1 contacts, and cone medial surface 2.7 and the lateral wall of preceding camera 3 are socketed.
In above-mentioned technical proposal, behind the camera lens front end of the rear camera 3.1 and capsule housing between 1.2 end of hyalomere
Interstice coverage be 4~5mm, the design in the gap also can shooting clear when hyalomere 1.2 can be made after capsule housing to be close to stomach wall
Image.
In above-mentioned technical proposal, preceding camera 3 and rear camera 3.1 include the image being arranged on flexible PCB 4
Sensor 3.3 and the optical lens 3.2 being fixed on imaging sensor 3.3.
In above-mentioned technical proposal, the signal output end of the preceding camera 3 and rear camera 3.1 passes through flexible circuit respectively
The the first picture signal input terminal and the second picture signal input terminal of corresponding conducting wire link information processing unit 9, information on plate 4
The illumination control signal output end of processing unit 9 connects the control of each lighting device 5 by corresponding conducting wire on flexible PCB 4
The signal output end of signal input part processed, motion sensor 10 is handled by corresponding conducting wire link information on flexible PCB 4
The radio frequency signal communication end of the capsule position of device 9 and attitude signal input terminal, described information processing unit 9 passes through flexible circuit
The communication ends of corresponding conducting wire connection radio signal transmission device 7 on plate 4.
In above-mentioned technical proposal, the lighting device 5 is LED light emitting diodes, the lighting device of 4 front end of flexible PCB
5 under the control of information processing unit 9 for sending out the visible light illuminated to preceding camera 3,4 rear end of flexible PCB
Lighting device 5 is used to send out the visible light for illuminating rear camera 3.1 under the control of information processing unit 9, such as in vain
Coloured light, front and rear end lighting device integrate 8~10 LED light emitting diodes altogether, when needing to shoot distant view image, before being located at
The LED of camera 3 can be increased the LED polishing times by the control of information processing unit 9, proactive to make for increasing luminous flux
The distant view image being more clear can be shot as first 3.
In above-mentioned technical proposal, the motion sensor 10 is used to perceive position and the posture information of capsule endoscope.
In above-mentioned technical proposal, the permanent magnet 6 is used to realize twin-lens capsule type endoscope under external magneticaction
Overturning, so as to adjust the photo angle of preceding camera 3 and rear camera 3.1.
In above-mentioned technical proposal, information processing unit 9 is the dedicated IC chip with control with processing function
ASIC is, it can be achieved that shoot capsule endoscope the control of image.Also, described information processing unit 9 can handle camera and be clapped
The image taken the photograph, the processing refers to carries out stylistic processing to captured image, such as by compression of images at JPEG or JPEG-
The format pictures such as LS.Described information processing unit 9 also ensures that the control of two photographic device shooting distant views and close shot image, together
When control for vista shot lighting device 5 the polishing time.
In above-mentioned technical proposal, the capsule before the capsule housing after hyalomere 1.1 and capsule housing between hyalomere 1.2
Shell 1 is opaque portion 1.3 among capsule housing, 1.2 and of hyalomere after hyalomere 1.1, capsule housing before above-mentioned capsule housing
Opaque portion 1.3 is PC plastic material among capsule housing.
In above-mentioned technical proposal, the opaque occulter 2 is ABS plastic occulter, and the transparent light guide body 2.1 is PC
Plastics light guide.The plasticity of above-mentioned ABS plastic occulter is strong, is suitable for various sizes of camera head lens, can be with camera lens
Close card and, ABS material has good shaded effect.
The working process of the utility model is as follows：When the utility model needs to shoot close shot image in stomach, information processing apparatus
It sets 9 and obtains capsule position and posture information from motion sensor 10, specific magnetic force is applied by external control device, is made in capsule
The flip horizontal under external magneticaction of sight glass interior permanent magnets 6 makes rear camera 3.1 be directed at close shot image, while at information
Reason device 9 controls corresponding lighting device 5 and lights, the close shot image transmitting that rear camera 3.1 is shot to information processing unit 9 into
Row image procossing；
When the utility model needs to shoot distant view image in stomach, information processing unit 9 obtains glue from motion sensor 10
Capsule position and posture information apply specific magnetic force by external control device, make capsule endoscope interior permanent magnets 6 in external magnetic
Flip horizontal under force effect shoots required image using preceding camera 3, while in order to enhance shooting effect, by described image
Reason device 9 controls the polishing time of corresponding lighting device 5, increases luminous intensity, is more advantageous to the shooting of distant view image.
The content that this specification is not described in detail belongs to the prior art well known to professional and technical personnel in the field.
Claims (9)
1. a kind of twin-lens capsule type endoscope with guiding device, which is characterized in that it includes capsule housing (1), setting
It is opaque occulter (2), transparent light guide body (2.1), preceding camera (3), rear camera (3.1) in capsule housing (1), soft
Property circuit board (4), lighting device (5), permanent magnet (6), radio signal transmission device (7), information processing unit (9) and movement pass
Sensor (10), wherein one end of the capsule housing (1) be capsule housing before hyalomere (1.1), capsule housing (1) it is another
End is hyalomere (1.2) after capsule housing, and the flexible PCB (4) is stuck in the madial wall of capsule housing (1), preceding camera
(3) hyalomere (1.1) before capsule housing is withstood in camera lens front end, and the back seat of preceding camera (3) is arranged before flexible PCB (4)
End, preceding camera (3) lateral wall are cased with opaque occulter (2), and the lateral wall socket of the opaque occulter (2) is transparent to be led
The lateral wall of body of light (2.1), transparent light guide body (2.1) is contacted with hyalomere before capsule housing (1.1) inner wall, rear camera
(3.1) back seat setting is in flexible PCB (4) rear end, camera lens front end and the hyalomere after capsule housing of rear camera (3.1)
(1.2) there is gap, flexible PCB (4) front end lighting device (5) is arranged, flexible PCB (4) rear end is also provided with photograph between
Bright device (5), the radio signal transmission device (7), information processing unit (9) and motion sensor (10) are arranged in flexible electrical
On road plate (4), the signal output end of preceding camera (3) and rear camera (3.1) is separately connected the first of information processing unit (9)
The illumination control signal output end connection of picture signal input terminal and the second picture signal input terminal, information processing unit (9) is each
The control signal input of a lighting device (5), the signal output end link information processing unit (9) of motion sensor (10)
Capsule position and attitude signal input terminal, permanent magnet (6) are fixedly mounted on flexible PCB (4), described information processing unit
(9) communication ends of radio frequency signal communication end connection radio signal transmission device (7).
2. the twin-lens capsule type endoscope according to claim 1 with guiding device, it is characterised in that：Transparent light guide
The cross section of body (2.1) is cyclic annular column-shape showering, which includes in column bottom surface (2.2), column song lateral surface (2.3) and column
Side (2.4), the column song lateral surface (2.3) contact with hyalomere before capsule housing (1.1) inner wall, the column bottom surface (2.2)
Angle β between flexible PCB (4) front plan is 5~10 °, is held level with both hands before column medial surface (2.4) and flexible PCB (4)
Angle γ between face is 78~83 °, and the angle α between the column medial surface (2.4) and column bottom surface (2.2) is 60~88 °.
3. the twin-lens capsule type endoscope according to claim 2 with guiding device, it is characterised in that：It is described impermeable
The cross section of bright occulter (2) is cyclic annular conical surface body, which includes cone bottom surface (2.5), cone lateral surface (2.6) and cone
Medial surface (2.7), the cone bottom surface (2.5) is parallel with flexible PCB (4) front end, cone lateral surface (2.6) lower half with thoroughly
The column medial surface (2.4) of bright light guide (2.1) is bonded, hyalomere (1.1) before the first half and capsule housing of cone lateral surface (2.6)
Madial wall contact, cone medial surface (2.7) is socketed with the lateral wall of preceding camera (3).
4. the twin-lens capsule type endoscope according to claim 1 with guiding device, it is characterised in that：It is taken the photograph after described
As the interstice coverage between hyalomere (1.2) end after the camera lens front end of head (3.1) and capsule housing is 4~5mm.
5. the twin-lens capsule type endoscope according to claim 1 with guiding device, it is characterised in that：It is described proactive
As head (3) and rear camera (3.1) signal output end respectively by corresponding conducting wire link information on flexible PCB (4) at
Manage the first picture signal input terminal and the second picture signal input terminal of device (9), the Lighting control letter of information processing unit (9)
Number output end passes through the control signal input that corresponding conducting wire on flexible PCB (4) connects each lighting device (5), movement
The capsule that the signal output end of sensor (10) passes through corresponding conducting wire link information processing unit (9) on flexible PCB (4)
The radio frequency signal communication end of position and attitude signal input terminal, described information processing unit (9) passes through flexible PCB (4) on pair
The communication ends for the conducting wire connection radio signal transmission device (7) answered.
6. the twin-lens capsule type endoscope according to claim 1 with guiding device, it is characterised in that：The illumination
Device (5) is LED light emitting diodes, and the lighting device (5) of flexible PCB (4) front end is used in information processing unit (9)
The visible light illuminated to preceding camera (3) is sent out under control, the lighting device (5) of flexible PCB (4) rear end is used for
The visible light illuminated to rear camera (3.1) is sent out under the control of information processing unit (9).
7. the twin-lens capsule type endoscope according to claim 1 with guiding device, it is characterised in that：The movement
Sensor (10) is used to perceive position and the posture information of capsule endoscope.
8. the twin-lens capsule type endoscope according to claim 1 with guiding device, it is characterised in that：The permanent magnetism
Body (6) under external magneticaction realize twin-lens capsule type endoscope overturning, so as to adjust preceding camera (3) and after
The photo angle of camera (3.1).
9. the twin-lens capsule type endoscope according to claim 1 with guiding device, it is characterised in that：The capsule
Capsule housing (1) before shell after hyalomere (1.1) and capsule housing between hyalomere (1.2) is opaque among capsule housing
Portion (1.3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720521883.XU CN207679420U (en) | 2017-05-11 | 2017-05-11 | Twin-lens capsule type endoscope with guiding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720521883.XU CN207679420U (en) | 2017-05-11 | 2017-05-11 | Twin-lens capsule type endoscope with guiding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207679420U true CN207679420U (en) | 2018-08-03 |
Family
ID=62986495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720521883.XU Active CN207679420U (en) | 2017-05-11 | 2017-05-11 | Twin-lens capsule type endoscope with guiding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207679420U (en) |
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2017
- 2017-05-11 CN CN201720521883.XU patent/CN207679420U/en active Active
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Address after: 430075 666 new high tech Avenue, East Lake New Technology Development Zone, Wuhan, Hubei Patentee after: Anhan Science and Technology (Wuhan) Co., Ltd. Address before: 430075 666 new high tech Avenue, East Lake New Technology Development Zone, Wuhan, Hubei Patentee before: Ankon Photoelectric Technology (Wuhan) Co., Ltd. |