CN104224092A - Tip end part structure for endoscope - Google Patents
Tip end part structure for endoscope Download PDFInfo
- Publication number
- CN104224092A CN104224092A CN201410481011.6A CN201410481011A CN104224092A CN 104224092 A CN104224092 A CN 104224092A CN 201410481011 A CN201410481011 A CN 201410481011A CN 104224092 A CN104224092 A CN 104224092A
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- China
- Prior art keywords
- service aisle
- face
- endoscope
- light source
- axial location
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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
- A61B1/012—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 characterised by internal passages or accessories therefor
Abstract
The invention aims at providing a tip end part structure for an endoscope. The tip end part structure can be used for effectively improving the performance of the endoscope. The tip end part structure comprises a sheath (1), wherein an imaging module (2), a light source (3) and a working channel (4) are arranged at the top end part of the sheath (1), and an angle exists between the location of the axis of the working channel (4) and the location of the axis of the sheath (1) and is in the range of 0-45 degrees. The tip end part structure can be applied to the field of medical endoscopes.
Description
Technical field
The present invention relates to a kind of endoscope, particularly relate to the first end construction of a kind of endoscope.
Background technology
Medical endoscope is that one can insert body cavity and internal organs inner chamber is directly observed, the medical electric optical instrument of diagnoses and treatment.Become by flexible part, light source and an arrangement of mirrors head group.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, can directly spy on health relevant portion.The quality of picture quality directly affects the result of use of endoscope, also indicates the level of development of endoscopic technique.Directly can be observed the tissue morphology of human viscera organ by it, the accuracy of diagnosis can be improved.The plurality of advantages of Medicine and Surgery Clinics implemented in conjunction with medical endoscope is by medical circle is known together.
Medical endoscope equipment, by its development and imaging configuration classification: substantially can be divided into 3 large classes: hard pipe type scope, optical fiber (hose type) scope and video image dendoscope.Wherein, fujinon electronic video endoscope is that miniature image sensor (CCD, Charge Couple Device or CMOS, Complementary Metal Oxide Semiconductor) is loaded scope top, with a kind of endoscope of cables transport Images signal.Light energy conversion is electric energy by miniature image sensor by fujinon electronic video endoscope, then through Video processing center, carries out processed to image, then carries out storing and rebuilding, and shows on a display screen simultaneously.Something which increases picture quality, overcome the optical fiber shortcoming that in use frangibility, life-span are short, and there is not stain appears in fibrescope drawback because of fiber breakage.
As depicted in figs. 1 and 2, fujinon electronic video endoscope internal structure is made up of sheath cover 1, angle steel wire, service aisle 4, electronic objective camera lens 2, light source 3, holding wire and power line etc., and electron mirror is made up of CCD assembly and signal transmssion line.The external diameter of the performance of endoscope and the scope of application and insertion tube and first termination, the internal diameter of service aisle are closely related.External diameter is less, and the scope of application is wider, and the comfort level of patient is better; Image-forming block in insertion tube inside and service aisle are then the bigger the better, and image-forming block is larger, and definition is better.Service aisle is larger, and handling capacity is stronger, and attract flow also higher, the apparatus of support is more.When image-forming block size is fixing, the external diameter of insertion tube be reduced, only reduce the internal diameter of service aisle.But service aisle internal diameter reduces, and can impact again to the performance of service aisle.Urgently to be resolved hurrily how at the external diameter reducing insertion tube in industry, be the problem that the internal diameter of service aisle is as far as possible large simultaneously.
Summary of the invention
Technical problem to be solved by this invention overcomes the deficiencies in the prior art, provides a kind of first end construction of endoscope that effectively can improve endoscope's performance.
The technical solution adopted in the present invention is: this first end construction comprises sheath cover, and the first end overlapped at described sheath is provided with imaging modules, light source and service aisle, there is an angle between the axial location that the axial location of described service aisle and described sheath overlap.
Further, the angular range between the axial location of described service aisle and the described sheath axial location of overlapping is 0 ° ~ 45 °.
Further, the angular range between the axial location of described service aisle and the described sheath axial location of overlapping is 6 °.
Further, the first end that described sheath overlaps is provided with an oblique section I, the front end face of described service aisle is just in time positioned at described oblique section I place.
Further, the front end face of described service aisle is set to oblique section II, and described oblique section I is concordant with described oblique section II.
Further, the first end of described sheath cover is provided with the first end face and the second end face, described imaging modules and described light source are arranged in described first end face, and described service aisle is arranged in described second end face, the axes normal of described second end face and described service aisle.
Further, the front end face of described service aisle is concordant with described second end face.
Further, the front end face of described service aisle is set to skew surface, described skew surface extend to described first end foremost, the rear portion of described skew surface extends to described second end.
Further, described service aisle and described sheath overlap between by resin filling or be welded and fixed.
Further, described light source is LED light source or light guide bundles.
The invention has the beneficial effects as follows: owing to the present invention includes sheath cover, the first end overlapped at described sheath is provided with imaging modules, light source and service aisle, an angle is there is between the axial location that the axial location of described service aisle and described sheath overlap, so, the present invention arranges imaging modules in the first end of endoscope, light source and service aisle, an angle is there is between the axial location that the axial location of described service aisle and described sheath overlap, service aisle and sheath overlap for non-parallel setting, due to the existence at imaging modules and light source rear except power line and holding wire, there are not parts in remainder space, service aisle can realize there is certain angle with sheath cover herein and arrange, the existence of this angle make the external diameter of service aisle be not limited to sheath overlap first end except imaging modules and light source the size of the outer remaining space that takes up space, the maximum inner diameter of service aisle can be greater than the size of the remaining space outside the described imaging modules of removing in the first end that described sheath overlaps and the space shared by described light source, therefore at the described sheath cover of maintenance, when the size constancy of described imaging modules and described light source, realize the increase of service aisle, in other words, when the size constancy of described service aisle, described imaging modules and described light source, the external diameter that sheath is overlapped becomes less, visible, the first end construction of endoscope of the present invention can improve the performance of endoscope greatly, and the handling capacity of service aisle is more strengthened, and attract flow also higher, the apparatus of support is also more.
Accompanying drawing explanation
Fig. 1 is the easy structure sectional view of the first end of endoscope of the prior art;
Fig. 2 be the first end of endoscope of the prior art face structural representation;
Fig. 3 is the easy structure sectional view of the first end of endoscope of the present invention;
Fig. 4 be the first end of endoscope of the present invention face structural representation;
Fig. 5 is the easy structure sectional view of the first end of endoscope described in embodiment two;
Fig. 6 be the first end of endoscope described in embodiment two face structural representation;
Fig. 7 is the easy structure schematic diagram of embodiment three.
Detailed description of the invention
embodiment one:
As shown in Figures 3 and 4, in the present embodiment, the present invention includes sheath cover 1, the first end of described sheath cover 1 is provided with imaging modules 2, light source 3 and service aisle 4.An angle is there is between the axial location that the axial location of described service aisle 4 and described sheath overlap 1.Angular range between the axial location that the axial location of described service aisle 4 and described sheath overlap 1 is 0 ° ~ 45 °.This angle can overlap 1 according to sheath, the classification of imaging modules 2, light source 3 and concrete size set, and when the size of described imaging modules 2, described light source 3 is less, when its length is shorter, can arrange larger by the angle of inclination of described service aisle 4; When the size of described imaging modules 2, described light source 3 is comparatively large, when its length is longer, the angular adjustment of the axial location of described service aisle 4 and described sheath being overlapped between the axial location of 1 is namely needed to obtain smaller.In the present embodiment, the angular range can got between axial location that the axial location of described service aisle 4 and described sheath overlap 1 is 6 °, or other angle.In addition, the axis of the axis of described service aisle 4 and described sheath cover 1 may not be in the same plane, but when two axis are positioned in same plane, the internal diameter of described service aisle 4 can get optimum.In the present embodiment, particularly: the first end of described sheath cover 1 is provided with an oblique section I 5, and the front end face of described service aisle 4 is just in time positioned at described oblique section I 5 place.The front end face of described service aisle 4 is set to oblique section II 6, and described oblique section I 5 is concordant with described oblique section II 6.Described service aisle 4 and described sheath overlap 1 between by resin filling or be welded and fixed, as adopted ultrasonic bonding.Described light source 3 is LED light source or light guide bundles.In the present invention, select LED light source as endoscope illuminator.
As shown in Figure 3, port of export end face and described service aisle 4 port of export end face of described sheath cover 1 are positioned in two different planes.
Described service aisle 4 is hollow cylindrical.In the present invention, assuming that the size of described imaging modules 2 and described light source 3 is definite values, the maximum inner diameter resetting described service aisle 4 is a, the maximum inner diameter being set in the space formed in the remaining space outside the described imaging modules of removing 2 in the first end of described sheath cover 1 and the space shared by described light source 3 is b, then a > b.The present invention can realize above-mentioned relation.In actual manufacture process, be generally make internal diameter and then value a and b with cylinder.Certainly, also internal diameter and then value a and b will can be made with ovallized column.This determines according to practical situation and manufacturing cost.
Through measuring and calculating, when the angle between the axis that the axis of described service aisle 4 and described sheath overlap 1 is 6 °, the cross-sectional area in described service aisle 4 can increase about 30%.
embodiment two:
As shown in Figure 5 and Figure 6, the difference of the present embodiment and embodiment one is: the first end that described sheath overlaps 1 is provided with the first end face 11 and the second end face 12, described imaging modules 2 and described light source 3 are arranged in described first end face 11, described service aisle 4 is arranged in described second end face 12, the axes normal of described second end face 12 and described service aisle 4.The front end face of described service aisle 4 is concordant with described second end face 12.Now, the internal diameter size being accommodated in the service aisle part in described sheath cover 1 can arrange larger.
embodiment three:
As shown in Figure 7, the difference of the present embodiment and embodiment two is: the front end face of described service aisle 4 is set to skew surface 7, described skew surface 7 extend to described first end face 11 place foremost, the rear portion of described skew surface 7 extends to described second end face 12 place.
When the present invention is specifically applied to fujinon electronic video endoscope, be connected by power line with described imaging modules 2, described light source 3, holding wire connects described imaging modules 2, and then described service aisle 4 can be positioned at the rear space of described imaging modules 2.The rear of sheath cover and the equal connecting hose in rear of described service aisle, and then with the equipment connection of periphery.
The first end construction of endoscope of the present invention is compared with existing endoscope first end construction, it is not when changing the size of sheath cover, obviously can increase the internal diameter size of service aisle, the space of service aisle is strengthened, the handling capacity of service aisle is more strengthened, attract flow also higher, support that the apparatus that can stretch into is also more, thus substantially increase the performance of endoscope.
The present invention can be applicable to medical endoscope field.
Claims (10)
1. the first end construction of endoscope, comprise sheath cover (1), the first end of described sheath cover (1) is provided with imaging modules (2), light source (3) and service aisle (4), it is characterized in that: between the axial location of described service aisle (4) and the axial location of described sheath cover (1), there is an angle.
2. the first end construction of endoscope according to claim 1, is characterized in that: the angular range between the axial location of described service aisle (4) and the axial location of described sheath cover (1) is 0 ° ~ 45 °.
3. the first end construction of endoscope according to claim 2, is characterized in that: the angular range between the axial location of described service aisle (4) and the axial location of described sheath cover (1) is 6 °.
4. the first end construction of the endoscope according to any one of claims 1 to 3, it is characterized in that: the first end of described sheath cover (1) is provided with an oblique section I (5), the front end face of described service aisle (4) is just in time positioned at described oblique section I (5) place.
5. the first end construction of endoscope according to claim 4, it is characterized in that: the front end face of described service aisle (4) is set to oblique section II (6), described oblique section I (5) is concordant with described oblique section II (6).
6. the first end construction of the endoscope according to any one of claims 1 to 3, it is characterized in that: the first end of described sheath cover (1) is provided with the first end face (11) and the second end face (12), described imaging modules (2) and described light source (3) are arranged in described first end face (11), described service aisle (4) is arranged in described second end face (12), the axes normal of described second end face (12) and described service aisle (4).
7. the first end construction of endoscope according to claim 6, is characterized in that: the front end face of described service aisle (4) is concordant with described second end face (12).
8. the first end construction of endoscope according to claim 6, it is characterized in that: the front end face of described service aisle (4) is set to skew surface (7), described skew surface (7) extend to described first end face (11) place foremost, the rear portion of described skew surface (7) extends to described second end face (12) place.
9. the first end construction of endoscope according to claim 1, is characterized in that: by resin filling or be welded and fixed between described service aisle (4) and described sheath cover (1).
10. the first end construction of endoscope according to claim 1, is characterized in that: described light source (3) is LED light source or light guide bundles.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410481011.6A CN104224092B (en) | 2014-09-19 | 2014-09-19 | Elder generation of endoscope end construction |
| PCT/CN2015/000646 WO2016041300A1 (en) | 2014-09-19 | 2015-09-18 | Endoscope tip structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410481011.6A CN104224092B (en) | 2014-09-19 | 2014-09-19 | Elder generation of endoscope end construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104224092A true CN104224092A (en) | 2014-12-24 |
| CN104224092B CN104224092B (en) | 2016-08-17 |
Family
ID=52213655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410481011.6A Active CN104224092B (en) | 2014-09-19 | 2014-09-19 | Elder generation of endoscope end construction |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104224092B (en) |
| WO (1) | WO2016041300A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016041300A1 (en) * | 2014-09-19 | 2016-03-24 | 珠海普生医疗科技有限公司 | Endoscope tip structure |
| CN107854159A (en) * | 2017-11-29 | 2018-03-30 | 域鑫科技（惠州）有限公司 | Endoscope assembly applied to medical water jet |
| CN108095674A (en) * | 2018-01-26 | 2018-06-01 | 浙江成运医疗器械有限公司 | The leading end portion of fujinon electronic video endoscope |
| WO2023045773A1 (en) * | 2021-09-22 | 2023-03-30 | 宁波新跃医疗科技股份有限公司 | Tip for ureteroscope and intraoperative ureteroscope |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3915157A (en) * | 1973-06-21 | 1975-10-28 | Olympus Optical Co | Endoscope |
| US5343853A (en) * | 1991-09-20 | 1994-09-06 | Fuji Photo Optical Co., Ltd. | Side-looking type electronic endoscope which allows manipulating tool to be inserted thereinto |
| US5499630A (en) * | 1993-11-22 | 1996-03-19 | Kabushiki Kaisha Toshiba | Catheter type ultrasound probe |
| CN1452472A (en) * | 2000-08-07 | 2003-10-29 | 圣通生物医学系统公司 | Intubation instrument |
| CN101073492A (en) * | 2006-05-17 | 2007-11-21 | 奥林巴斯医疗株式会社 | Endoscope |
| CN101132736A (en) * | 2004-05-10 | 2008-02-27 | 想象工程有限公司 | Targeted biopsy delivery system |
| JP2008043616A (en) * | 2006-08-18 | 2008-02-28 | Pentax Corp | Ultrasonic endoscope |
| CN102293627A (en) * | 2011-09-24 | 2011-12-28 | 天津博朗科技发展有限公司 | Disposable endoscope sheath |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5733243A (en) * | 1993-02-12 | 1998-03-31 | Olympus Optical Co., Ltd. | Endoscope apparatus of an endoscope cover system for preventing buckling of an endoscope cover |
| CN202821278U (en) * | 2012-09-26 | 2013-03-27 | 无锡微奥科技有限公司 | Micro-electromechanical system (MEMS) optical probe |
| CN103860143B (en) * | 2014-02-26 | 2015-09-02 | 无锡微奥科技有限公司 | A kind of MEMS optical scanning probe of changeable mode of operation |
| CN104224092B (en) * | 2014-09-19 | 2016-08-17 | 珠海普生医疗科技有限公司 | Elder generation of endoscope end construction |
-
2014
- 2014-09-19 CN CN201410481011.6A patent/CN104224092B/en active Active
-
2015
- 2015-09-18 WO PCT/CN2015/000646 patent/WO2016041300A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3915157A (en) * | 1973-06-21 | 1975-10-28 | Olympus Optical Co | Endoscope |
| US5343853A (en) * | 1991-09-20 | 1994-09-06 | Fuji Photo Optical Co., Ltd. | Side-looking type electronic endoscope which allows manipulating tool to be inserted thereinto |
| US5499630A (en) * | 1993-11-22 | 1996-03-19 | Kabushiki Kaisha Toshiba | Catheter type ultrasound probe |
| CN1452472A (en) * | 2000-08-07 | 2003-10-29 | 圣通生物医学系统公司 | Intubation instrument |
| CN101132736A (en) * | 2004-05-10 | 2008-02-27 | 想象工程有限公司 | Targeted biopsy delivery system |
| CN101073492A (en) * | 2006-05-17 | 2007-11-21 | 奥林巴斯医疗株式会社 | Endoscope |
| JP2008043616A (en) * | 2006-08-18 | 2008-02-28 | Pentax Corp | Ultrasonic endoscope |
| CN102293627A (en) * | 2011-09-24 | 2011-12-28 | 天津博朗科技发展有限公司 | Disposable endoscope sheath |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016041300A1 (en) * | 2014-09-19 | 2016-03-24 | 珠海普生医疗科技有限公司 | Endoscope tip structure |
| CN107854159A (en) * | 2017-11-29 | 2018-03-30 | 域鑫科技（惠州）有限公司 | Endoscope assembly applied to medical water jet |
| CN108095674A (en) * | 2018-01-26 | 2018-06-01 | 浙江成运医疗器械有限公司 | The leading end portion of fujinon electronic video endoscope |
| WO2023045773A1 (en) * | 2021-09-22 | 2023-03-30 | 宁波新跃医疗科技股份有限公司 | Tip for ureteroscope and intraoperative ureteroscope |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016041300A1 (en) | 2016-03-24 |
| CN104224092B (en) | 2016-08-17 |
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