CN110269578A - Endoscope head end and endoscope - Google Patents
Endoscope head end and endoscope Download PDFInfo
- Publication number
- CN110269578A CN110269578A CN201910555602.6A CN201910555602A CN110269578A CN 110269578 A CN110269578 A CN 110269578A CN 201910555602 A CN201910555602 A CN 201910555602A CN 110269578 A CN110269578 A CN 110269578A
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- China
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- head end
- endoscope
- mounting hole
- lens barrel
- imaging modules
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00071—Insertion part of the endoscope body
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biomedical Technology (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biophysics (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Endoscopes (AREA)
Abstract
The present invention relates to the field of medical instrument technology, provide a kind of endoscope head end and endoscope, endoscope head end includes head end seat, imaging modules and image sensing mould group, imaging modules include lens barrel and the optical element that is arranged in lens barrel, the first mounting hole is provided on head end seat, corresponding first mounting hole of image sensing mould group is connected to the rear end of head end seat, imaging modules are directly installed in first mounting hole by lens barrel, by adjusting the relative position of imaging modules and head end seat, adjust the imaging parameters of imaging modules, the effect of microscope base is realized using head end seat, to complete the fixed and positioned of imaging modules, eliminate microscope base, therefore, head end seat can reduce outer dimension to a certain extent, to reduce the outer dimension of endoscope head end, realize the miniaturization of endoscope, the clinical experience of testee can be effectively improved.Endoscope with above-mentioned endoscope head end structure equally has above-mentioned beneficial effect.
Description
Technical field
The present invention relates to medical instruments field more particularly to endoscope head end and endoscopes.
Background technique
Fujinon electronic video endoscope has image sensing mould group, optical lens, light source illumination, mechanical device etc., can be by insertion section
Enter through natural hole in vivo, so as to be detected in corresponding body cavity.The outer diameter of insertion section directly affect by
The comfort level of survey person, and the outer diameter of insertion section is primarily limited to its cephalic par size.The cephalic par of endoscope is usually arranged
Have biography as mould group, pincers road junction, illumination channel it is gentle/aquaporin, overall dimension is larger, the size be primarily limited to pass as group
The outer dimension of part and pincers road junction, therefore, under existing structure setting and assembling scheme, the size of endoscope head end is difficult to
It further decreases, biggish cephalic par increases the insertion difficulty of insertion section, and easily causes discomfort to testee.Therefore, it is necessary to
A kind of new technical solution is provided, to solve the big technical problem of endoscope head end size.
Summary of the invention
A kind of endoscope head end that can reduce outer dimension to a certain extent is provided according to embodiments of the present invention, is made interior
Sight glass cephalic par miniaturises, and provides a kind of endoscope with the endoscope head end.
The technical proposal adopted by the invention to solve the above technical problems is that:
On the one hand the embodiment of the present invention provides endoscope head end, including head end seat, imaging modules and image sensing mould
Group, the imaging modules include lens barrel and the optical element that is arranged in the lens barrel, are provided with the first peace on the head end seat
Hole is filled, described image sensing mould group corresponds to the rear end that first mounting hole is connected to the head end seat, and the imaging modules are logical
It crosses the lens barrel to be directly installed in first mounting hole, by adjusting the opposite position of the imaging modules and the head end seat
It sets, adjusts the imaging parameters of imaging modules.
It as an improvement of the above technical solution, further include head end cover, the head end cover is connected to the front end of the head end seat,
The position that first mounting hole is corresponded on the head end cover is provided with viewing window.
As a further improvement of the above technical scheme, sealing is provided between the inner wall of the viewing window and the lens barrel
Structure.
As a further improvement of the above technical scheme, it is arranged on the head end seat positioned at the front end of first mounting hole
It is fluted, gap is formed between the inner wall of the viewing window, the side wall of the groove and the outer wall of the lens barrel, in the gap
Filled with sealant.
As a further improvement of the above technical scheme, the side wall of the groove is concordant with the inner wall of the viewing window.
As a further improvement of the above technical scheme, the sealing structure is sealing ring, and the sealing ring can be extruded
Between the inner wall and the lens barrel of the viewing window.
As a further improvement of the above technical scheme, pincers road junction is additionally provided on the head end seat, the pincers road junction is set
It sets in the side opposite with first mounting hole.
As a further improvement of the above technical scheme, second passed through for lighting device is additionally provided on the head end seat
Mounting hole, second mounting hole are correspondingly arranged at the side of the thin-walled between first mounting hole and the pincers road junction.
As a further improvement of the above technical scheme, it is additionally provided with the channel that gas supply or water pass through on the head end seat,
The side opposite with second mounting hole is arranged in the channel.
The another aspect of the embodiment of the present invention provides a kind of endoscope, including insertion section and operation portion, the operation portion
It is acted for operating the insertion section, the cephalic par of the insertion section is set as the endoscope head end of any of the above-described.
Above-mentioned technical proposal at least have the following advantages that or the utility model has the advantages that
Endoscope head end includes that head end seat, imaging modules and image sensing mould group, imaging modules include lens barrel and setting
Optical element in lens barrel, the first mounting hole is provided on head end seat, and corresponding first mounting hole of image sensing mould group is connected to
The rear end of head end seat, imaging modules are directly installed in first mounting hole by lens barrel, by adjusting imaging modules and head end
The relative position of seat, adjusts the imaging parameters of imaging modules, realizes the effect of microscope base, using head end seat to complete imaging modules
It is fixed and positioned, microscope base is eliminated, therefore, head end seat can reduce outer dimension to a certain extent, to reduce endoscope head
The outer dimension of end realizes the miniaturization of endoscope, can be effectively improved the clinical experience of testee.With above-mentioned endoscope head
The endoscope of end structure equally has above-mentioned beneficial effect.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing briefly describes:
Fig. 1 is the cross-sectional view of endoscope head end of the present invention one embodiment；
Fig. 2 is the schematic perspective view of endoscope head end of the present invention one embodiment.
Specific embodiment
The cephalic par of endoscope be usually provided with biography as mould group, pincers road junction, illumination channel it is gentle/aquaporin, overall structure
Outer dimension is larger, and size is primarily limited to pincers road junction and passes the outer dimension as mould group, different types of for clamping road junction
Endoscope, the size for clamping road junction have standard requirements.And for passing as mould group, it passes as mould group object lens are by image sensing mould group, microscope base
It is formed with imaging modules, imaging modules include lens barrel and the optical element that is arranged in lens barrel, and traditional scheme is to pass through microscope base
The connection and positioning for realizing image sensing mould group and imaging modules, when assembling is passed as mould group, by adjusting imaging modules and mirror
The adjusting passed as mould group imaging parameters is realized in relative position between seat, such as the adjusting of the depth of field and field angle, to make to pass as mould
An individual mould group is integrally formed in group, is arranged in cephalic par, and wherein the outer dimension of image sensing mould group is fixed, because
This, the outer dimension of microscope base is also fixation, under conditions of meeting processing, assembly and seal request, endoscope head end
Outer dimension is difficult to further decrease.
Endoscope head end provided in an embodiment of the present invention, eliminates microscope base, so as to reduce shape to a certain extent
Size.
It is carried out below with reference to technical effect of the embodiment and attached drawing to design of the invention, specific structure and generation clear
Chu is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair
Bright a part of the embodiment, rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art are not being paid
Other embodiments obtained, belong to the scope of protection of the invention under the premise of creative work.In addition, being related in patent
All connection/connection relationships, not singly refer to that component directly connects, and refer to can according to specific implementation situation, by addition or
Reduce couple auxiliary, Lai Zucheng more preferably coupling structure.The orientation such as upper and lower, left and right involved in the present invention describe
Relative to the position relationship of the components of the invention in the accompanying drawings.Each technical characteristic in the present invention, not
It can be with combination of interactions under the premise of conflicting conflict.
Fig. 1 is the cross-sectional view of endoscope head end of the present invention one embodiment, and with reference to Fig. 1, endoscope head end includes head
End seat 1, imaging modules 2 and image sensing mould group 3, imaging modules 2 include lens barrel 21 and the optics being arranged in lens barrel member
The lens or aspherical lens that use in conventional objective lens can be selected in part (not shown), optical element, and the is provided on head end seat 1
One mounting hole 11, corresponding first mounting hole 11 of image sensing mould group 3 are connected to the rear end of the head end seat 1, imaging modules 2
It is directly installed in first mounting hole 11 by lens barrel 21.When assembly, first by corresponding first mounting hole 11 of image sensing mould group 3
It is connected to the rear end of head end seat 1, preset the relative position of each optical element and is fixed in lens barrel 21, then imaging modules 2 are set
Enter in the first mounting hole 11, by adjusting the relative position of imaging modules 2 and head end seat 1, adjusts the imaging ginseng of imaging modules 2
Number, such as the depth of field after the completion of adjusting, can carry out the detection confirmation of field angle, then connect imaging modules 2 by the way that lens barrel 21 is fixed
It connects in the first mounting hole 11.Compared with existing cephalic par, the effect of microscope base is realized using head end seat 1, to complete imaging mould
Group 2 it is fixed and positioned, eliminate microscope base, therefore, head end seat 1 can reduce outer dimension to a certain extent, thus reduce in
The outer dimension of sight glass cephalic par realizes the miniaturization of endoscope, can be effectively improved the clinical experience of testee.
Endoscope head end further includes head end cover 4, and head end cover 4 is connected to the front end of head end seat 1, corresponding the on head end cover 4
The position of one mounting hole 11 is provided with viewing window 41, to provide form for imaging modules 2 to observe, to be imaged.Head end cover 4 can
It is detachably coupled on head end seat 1, is such as threadedly coupled, clamping by conventional, it can binding face painting between
Glue sealing.
It is provided with sealing structure between the inner wall and lens barrel 21 of viewing window 41, liquid is can avoid and passes through viewing window 41 and lens barrel
Gap between 21 enters the steady operation in endoscope head end and influencing electronic component.Sealing structure can be setting in form
Sealing ring between mouth 41 and lens barrel 21, the sealing ring can be compressed between the inner wall of viewing window 41 and lens barrel 21, can also be
The sealant being filled between viewing window 41 and lens barrel 21, to realize the waterproof sealing between lens barrel and head end cover.
Positioned at the front end of the first mounting hole 11 setting fluted 12, the side of the inner wall of viewing window 41, groove 12 on head end seat 1
Gap is formed between wall and the outer wall of lens barrel 21, sealant is filled in the gap, realizes head end seat 1, viewing window 41 and lens barrel
Sealing between 21.The side wall of settable groove 12 is concordant with the inner wall of viewing window 41, improves the reliability of sealing.
Fig. 2 is the schematic perspective view of endoscope head end of the present invention one embodiment, with reference to Fig. 1,2, head end
Be additionally provided with pincers road junction 13 on seat 1, the external dimensions of head end seat 1 can according to the arrangement of the pincers road junction 13 and the first mounting hole 11 into
Row setting, pincers road junction 13 may be provided at the side opposite with the first mounting hole 11, arrive so that the size of head end seat 1 is settable
It is minimum.Pincers road connecting tube 5 is provided on the pincers road junction 13, one end of pincers road connecting tube 5 is arranged in the pincers road junction 13, the other end
For being connect with pincers deferent 6, it is easily installed.Correspondingly, corresponding pincers road junction 13 is provided with the first opening 42 on head end cover 4, so as to
Instrument stretches out.
The second mounting hole (not shown) passed through for lighting device is additionally provided on head end seat 1, accordingly, on head end cover 4
It corresponds to and is provided with the second opening 43 at second mounting hole, on head end seat 1, positioned at the two sides at pincers road junction 13 and the first mounting hole 11
Also there is remaining space, which is correspondingly arranged at the first mounting hole 11 and clamps the side of the thin-walled between road junction 13,
Realize the reasonable utilization in space.
The channel (not shown) that gas supply or water pass through is additionally provided on head end seat 1, accordingly, corresponded on head end cover 4 this
Third opening 44 is provided at channel, the side opposite with the second mounting hole is arranged in channel 15, realizes the reasonable utilization in space.
Endoscope head end structure provided in an embodiment of the present invention in structure, can reduce the outer dimension of endoscope head end；
Fit on, reduces the structural member quantity of endoscope head end, to reduce failure encapsulation region that may be present between structural member
Domain number, and then assembly technology is simplified, improve the sealing performance of cephalic par；In processing, removal microscope base can be reserved to head end seat compared with
More machining allowance, while suitably reducing outer dimension, the thin-walled on head end seat between each mounting hole can also suitably thicken,
Difficulty of processing can be reduced, reduce the risk of deformation or edge damage, meanwhile, the increase of walled thickness can also improve the reliability of sealing.
The embodiment of the invention also provides a kind of endoscopes, including insertion section and operation portion, and operation portion is for operating insertion
Portion is acted, and the cephalic par of insertion section is set as previously described endoscope head end, is arranged based on above structure, endoscope
Cephalic par outer dimension can further decrease, so that the outer diameter of insertion section can correspondingly reduce, to realize subtle endoscope
Scheme substantially improves comfort level when testee's test.
It above are only presently preferred embodiments of the present invention, but the present invention is not restricted to above-described embodiment, be familiar with this field
Technical staff can also make a variety of equivalent deformation or replacement on the premise of without prejudice to spirit of the invention, these equivalent deformations
Or replacement is all included in the scope defined by the claims of the present application.
Claims (10)
1. endoscope head end, it is characterised in that: including head end seat, imaging modules and image sensing mould group, the imaging modules
Including lens barrel and the optical element being arranged in the lens barrel, the first mounting hole is provided on the head end seat, described image passes
Sense mould group corresponds to the rear end that first mounting hole is connected to the head end seat, and the imaging modules are directly pacified by the lens barrel
In first mounting hole, by adjusting the relative position of the imaging modules and the head end seat, imaging modules are adjusted
Imaging parameters.
2. endoscope head end according to claim 1, it is characterised in that: it further include head end cover, the head end cover connection
The position that first mounting hole is corresponded on the front end of the head end seat, the head end cover is provided with viewing window.
3. endoscope head end according to claim 2, it is characterised in that: the inner wall of the viewing window and the lens barrel it
Between be provided with sealing structure.
4. endoscope head end according to claim 3, it is characterised in that: be located at first installation on the head end seat
The front end setting in hole is fluted, between being formed between the inner wall of the viewing window, the side wall of the groove and the outer wall of the lens barrel
Gap is filled with sealant in the gap.
5. endoscope head end according to claim 4, it is characterised in that: the side wall of the groove and the viewing window
Inner wall is concordant.
6. endoscope head end according to claim 3, it is characterised in that: the sealing structure is sealing ring, described close
Seal can be compressed between the inner wall of the viewing window and the lens barrel.
7. endoscope head end according to any one of claim 1 to 6, it is characterised in that: also set on the head end seat
It is equipped with pincers road junction, the side opposite with first mounting hole is arranged in the pincers road junction.
8. endoscope head end according to claim 7, it is characterised in that: be additionally provided on the head end seat and filled for illumination
Set by the second mounting hole, second mounting hole be correspondingly arranged at first mounting hole and it is described pincers road junction between it is thin
The side of wall.
9. endoscope head end according to claim 8, it is characterised in that: be additionally provided with gas supply or water on the head end seat
By channel, the side opposite with second mounting hole is arranged in the channel.
10. endoscope, it is characterised in that: including insertion section and operation portion, the operation portion is carried out for operating the insertion section
Endoscope head end as claimed in any one of claims 1 to 9 is arranged in the cephalic par of movement, the insertion section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910555602.6A CN110269578A (en) | 2019-06-25 | 2019-06-25 | Endoscope head end and endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910555602.6A CN110269578A (en) | 2019-06-25 | 2019-06-25 | Endoscope head end and endoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110269578A true CN110269578A (en) | 2019-09-24 |
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ID=67963239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910555602.6A Pending CN110269578A (en) | 2019-06-25 | 2019-06-25 | Endoscope head end and endoscope |
Country Status (1)
| Country | Link |
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| CN (1) | CN110269578A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021238240A1 (en) * | 2020-05-25 | 2021-12-02 | 卓外（上海）医疗电子科技有限公司 | Mounting structure of endoscope front-end piece |
-
2019
- 2019-06-25 CN CN201910555602.6A patent/CN110269578A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021238240A1 (en) * | 2020-05-25 | 2021-12-02 | 卓外（上海）医疗电子科技有限公司 | Mounting structure of endoscope front-end piece |
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