CN208065153U - A kind of ultra-fine soft electronic endoscope structure - Google Patents
A kind of ultra-fine soft electronic endoscope structure Download PDFInfo
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- CN208065153U CN208065153U CN201820089595.6U CN201820089595U CN208065153U CN 208065153 U CN208065153 U CN 208065153U CN 201820089595 U CN201820089595 U CN 201820089595U CN 208065153 U CN208065153 U CN 208065153U
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Abstract
A kind of ultra-fine soft electronic endoscope structure, shell is cylindrical housings, the inside of shell has been set gradually from left to right the first lens group, aperture diaphragm, the second lens group, the third lens group, the 4th lens group, cmos image sensor, pcb board, space collar, the outer ring contact of the second lens group and the third lens group are provided between first lens group and the 4th lens group；It is provided with interval between first lens group and the second lens group, interval is provided between the second lens group and the third lens group, the third lens group and the 4th lens group are that combination is installed；The right side of aperture diaphragm is contacted with the second lens group.The utility model is reasonable for structure, realizes the long range high-fidelity transfer of image data；It distorts small, meets the design requirement of ultra-fine scope, realize the clear display of endoscopic images, picture quality greatly improved in high resolution, and the Experience Degree of client is good, and promoting and applying has good economic and social benefit.
Description
Technical field
The utility model belongs to technical field of medical equipment, more particularly to a kind of ultra-fine soft electronic endoscope structure.
Background technology
The development of endoscope more than 200 years history, experienced rigid endoscope, fibre opic endoscope, fujinon electronic video endoscope, glue
The developing stage of intracapsular sight glass, it is known that ultrafine diameter endoscope will in medical treatment minimally invasive/noninvasive, industrial accurate non-destructive testing,
The fields such as the fine trace identification of public security organs' system have broad application prospects, China's " state key research and development plan：Basic material
Skill upgrading and 2016 annual project application guide of industrialization emphasis special project " is included in the developing direction of ultrafine diameter endoscope, modern
It will play an important role within 10 years afterwards.
Cystoscopy is most basic one of the detection methods of urological department, is all the rigid bladder with metal material in the past
Mirror, caliber is thicker, and inflexibility.It is bigger to damaging surrounding tissue when being inserted into from urethra, particularly with male patient, urine
Road is long（18~20cm）, two physiological bendings and the musculus sphincter of external urethra are also passed through when insertion, especially painful, mirror when inspection
Sheath generates pain and bleeding because of friction urethra, and some patients will produce cystospasm, and inspection is made to be difficult to carry out.Due to cannot
Bending has blind area when so checking, is easy to fail to pinpoint a disease in diagnosis important lesion.
The appearance of flexible electronic cystoscope solves the above problem, and the size of current flexible electronic cystoscope both domestic and external is general
All in 3mm or more, therefore, substantially there are the excessive technologies of product size to lack occupied by fibrescope for small size application market
It falls into；Quality of optical imaging control for microminiature camera lens is the important content of optical design, and veiling glare, distortion and vignetting etc. are to mirror
Head image quality influences bigger.
A kind of ultra-fine camera lens how to be provided fully to carry out relevant diagnosis and treatment using human body natural hole chamber, how to be met super
How the design requirement of thin scope, develop that image resolution ratio reaches 100,000 pixels or more and front end diameter control is within 2mm
Fujinon electronic video endoscope, become urgent problem.
Invention content
The purpose of this utility model will solve above-mentioned technical problem.
What the purpose of this utility model was realized in：A kind of ultra-fine soft electronic endoscope structure, including shell, it is special
Sign is：The shell is cylindrical housings, and the inside of shell has been set gradually from left to right the first lens group, aperture light
Door screen, the second lens group, the third lens group, the 4th lens group, cmos image sensor, pcb board, the first lens group and the 4th lens
Space collar is provided between group, space collar is cylindrical tube, and cylindrical tube is internally provided with circular bulkheads, circular bulkheads
Be provided centrally with through-hole, the inner ring of cylindrical tube respectively with aperture diaphragm, the outer ring of the second lens group and the third lens group
Contact, the both ends of circular bulkheads are contacted with the second lens group and the third lens group respectively；First lens group and the second lens group it
Between be provided with interval, be provided with interval between the second lens group and the third lens group, the third lens group and the 4th lens group are group
Close installation；The right side of aperture diaphragm is contacted with the second lens group.
Spacing between 4th lens group and cmos image sensor is 0.25mm.
The right end of the pcb board is provided with pin, pin be respectively power pins, grounding pin, Clock Signal pin,
VOUT pins.
4th lens group is cemented doublet, and the right end of the 4th lens group is infrared light filter.
The utility model is reasonable for structure, realizes the long range high-fidelity transfer of image data；It distorts small, meets ultra-fine
The design requirement of scope realizes the clear display of endoscopic images, and picture quality greatly improved in high resolution, client's
Experience Degree is good, and promoting and applying has good economic and social benefit.
Description of the drawings
Fig. 1 is the internal structure schematic diagram of the utility model.
In figure：1. shell；2. the first lens group；3. the second lens group；4. space collar；5. the third lens group；6. the 4th thoroughly
Microscope group；7.CMOS imaging sensors；8.PCB plates；9. pin；10. aperture diaphragm.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings, but not as limitations of the present invention：
A kind of ultra-fine soft electronic endoscope structure, including shell 1, the shell 1 are cylindrical housings, shell 1
Inside has been set gradually from left to right the first lens group 2, aperture diaphragm 10, the second lens group 3, the third lens group 5, the 4th lens
Group 6, cmos image sensor 7, pcb board 8, cmos image sensor 7 are welded on pcb board 8；First lens group 2 and the 4th is saturating
Space collar 4 is provided between microscope group 6, space collar 4 is cylindrical tube, and cylindrical tube is internally provided with circular bulkheads, circle
Shape partition board is provided centrally with through-hole, the inner ring of cylindrical tube respectively with aperture diaphragm 10, the second lens group 3 and the third lens
The outer ring contact of group 5, the both ends of circular bulkheads are contacted with the second lens group 3 and the third lens group 5 respectively；First lens group, 2 He
It is provided with interval between second lens group 3, interval, the third lens group 5 are provided between the second lens group 3 and the third lens group 5
It is that combination is installed with the 4th lens group 6；The right side of aperture diaphragm 10 is contacted with the second lens group 3；4th lens group 6
Spacing between cmos image sensor 7 is 0.25mm, for realizing the focusing function of camera lens；The right end of the pcb board 8
It is provided with pin 9, pin 9 is respectively power pins, grounding pin, Clock Signal pin, VOUT pins, is passed by analog signal
It is defeated to arrive image procossing mainboard；4th lens group 6 is cemented doublet, and the 4th lens group 6 is mainly used for ratio chromatism,
Correction；4th lens group（6）Right end be infrared light filter improve the color of electric endoscope lens for filtering out infrared light
Reproducibility, and can protective glass protection surface；First lens group 2 realizes big view field imaging for collapsing wide angle rays；Aperture light
Door screen 10 filters out stray light；Second lens group 3, the third lens group 5, the 4th lens group 6 realize the correction of various aberrations.
The endoscope Specifeca tion speeification of the utility model：1）, active length：650mm；2）, telescope outer diameter：Φ2mm；
3）, optical property：Field angle：100 °, viewing directional angle：0°；4), lighting system：Using LED illumination；5) it, exports：AV/USB；6),
Pixel：400*400,160,000 pixels；7), security appliance：BF；8), picture storage format：.bmp file.
When it is implemented, the image-forming objective lens as medical electronic endoscope, must meet following require：1) due to being peeped in electronics
The size of mirror front end is restricted, and camera lens overall diameter controls within 1.4mm, for enough spaces of outflows such as illumination and instruments, makes
Front end overall package outer diameter is as small as possible；2) it is 100 degree or so of wide-angle lens to require camera lens, using the aspherical skill of plastic lens
Art, to reduce distortion；3) this system select cmos image sensor be as recipient, therefore focal length and visual field by sensor effectively at
Image planes product limitation, can be determined by calculation focal length, be 3~4mm；4) according to cmos sensor illumination characteristic and design experiences, really
Fixed a certain range of relative aperture value, re-optimization；
First lens group 2 is broad angle lens, and the second lens group 3, the third lens group 5, the 4th lens group 6 are aspherical mirror
Piece, the eyeglass that aspherical lens are made of the curved surface of aspherical (bumps) or plane remove paraboloid or hyperboloid, ellipsoid
There is high-order moment (4 curved surfaces) in addition, in addition also has picture baked donut or rugby one as non axisymmetric curved surface, it is maximum
Feature is exactly that Aberration Problem up to now is resolved because by light quantity it is more, no matter great bore is also without picture
Difference, the miniaturization lightweight of product or even saving cost all become possible.
The utility model coordinates high-precision digital-to-analogue sample conversion skill using microminiature, high-resolution cmos image sensor
Art carries out the design of front end camera probe, makes camera probe diameter reduction to 1.5 mm, and realize the long range of image data
High-fidelity transfer；System camera function is tested using tracheae throat as simulation test object, and is carried out with traditional scope
Comparison, it was demonstrated that the system can complete endoscope camera shooting, and institute is at image resolution ratio height；With tracheae throat intubation to system into
Row test, it was demonstrated that the system can effectively find that laryngeal pathological process, detection rate of pathological change are up to 90.0%；This system imaging clearly, and mirror
Body diameter is extra small, can greatly improve the comfort of patient's endoscopy, and a kind of ideal solution is provided for general investigation of desease primary dcreening operation
Scheme has higher practical value.
Above-described embodiment of the utility model is only the citing for clearly demonstrating the utility model and being done, but is not used to
The scope of protection of the utility model is limited, all equivalent technical solutions also belong to the scope of the utility model, the utility model
Scope of patent protection should be limited by every claim.
Claims (4)
1. a kind of ultra-fine soft electronic endoscope structure, including shell（1）, it is characterised in that：The shell（1）For cylinder
Shell, shell（1）Inside be set gradually from left to right the first lens group（2）, aperture diaphragm（10）, the second lens group（3）,
The third lens group（5）, the 4th lens group（6）, cmos image sensor（7）, pcb board（8）, the first lens group（2）Thoroughly with the 4th
Microscope group（6）Between be provided with space collar（4）, space collar（4）For cylindrical tube, cylindrical tube be internally provided with it is round every
Plate, circular bulkheads are provided centrally with through-hole, the inner ring of cylindrical tube respectively with aperture diaphragm（10）, the second lens group（3）
With the third lens group（5）Outer ring contact, the both ends of circular bulkheads respectively with the second lens group（3）With the third lens group（5）It connects
It touches；First lens group（2）With the second lens group（3）Between be provided with interval A, the second lens group（3）With the third lens group（5）It
Between be provided with interval B, the third lens group（5）With the 4th lens group（6）It is installed for combination；Aperture diaphragm（10）Right side and the
Two lens groups（3）Contact.
2. a kind of ultra-fine soft electronic endoscope structure according to claim 1, it is characterised in that：4th lens
Group（6）And cmos image sensor（7）Between spacing be 0.25mm.
3. a kind of ultra-fine soft electronic endoscope structure according to claim 1, it is characterised in that：The pcb board（8）
Right end be provided with pin（9）, pin（9）Respectively power pins, grounding pin, Clock Signal pin, VOUT pins.
4. a kind of ultra-fine soft electronic endoscope structure according to claim 1, it is characterised in that：4th lens
Group（6）For cemented doublet, the 4th lens group（6）Right end be infrared light filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820089595.6U CN208065153U (en) | 2018-01-19 | 2018-01-19 | A kind of ultra-fine soft electronic endoscope structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820089595.6U CN208065153U (en) | 2018-01-19 | 2018-01-19 | A kind of ultra-fine soft electronic endoscope structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208065153U true CN208065153U (en) | 2018-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820089595.6U Active CN208065153U (en) | 2018-01-19 | 2018-01-19 | A kind of ultra-fine soft electronic endoscope structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208065153U (en) |
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2018
- 2018-01-19 CN CN201820089595.6U patent/CN208065153U/en active Active
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