CN104873164A - Separable optical hard-tube lens based on LED illumination - Google Patents
Separable optical hard-tube lens based on LED illumination Download PDFInfo
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- CN104873164A CN104873164A CN201410072160.7A CN201410072160A CN104873164A CN 104873164 A CN104873164 A CN 104873164A CN 201410072160 A CN201410072160 A CN 201410072160A CN 104873164 A CN104873164 A CN 104873164A
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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
- A61B1/04—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 combined with photographic or television appliances
- A61B1/05—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 combined with photographic or television appliances characterised by the image sensor, e.g. camera, being in the distal end portion
- A61B1/053—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 combined with photographic or television appliances characterised by the image sensor, e.g. camera, being in the distal end portion being detachable
-
- 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
-
- 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
- A61B1/06—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 with illuminating arrangements
- A61B1/0661—Endoscope light sources
- A61B1/0676—Endoscope light sources at distal tip of an endoscope
-
- 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
- A61B1/06—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 with illuminating arrangements
- A61B1/0661—Endoscope light sources
- A61B1/0684—Endoscope light sources using light emitting diodes [LED]
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2407—Optical details
- G02B23/2423—Optical details of the distal end
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2407—Optical details
- G02B23/2423—Optical details of the distal end
- G02B23/243—Objectives for endoscopes
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
- G02B23/2407—Optical details
- G02B23/2461—Illumination
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Biophysics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Radiology & Medical Imaging (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Endoscopes (AREA)
Abstract
The invention discloses a separable optical hard-tube lens based on LED illumination. The separable optical hard-tube lens comprises a main lens body, a lens tube, an imaging system composed of an objective lens, a bar lens and an eye lens, an LED patch and an eye lens tube. The LED patch is installed between an inner lens tube and an outer lens tube and located at the front end of the lens tube, and a wire led out of the LED patch penetrates a communication gap and reaches the rear end of the eye lens tube. The eye lens is installed in the eye lens tube, the eye lens tube extends in from the front end of the main lens body, and the lens tube is connected with the main lens body in a separable mode. Die-cast lenses are adopted as the objective lens, the bar lens and the eye lens. The die-cast lenses are adopted for the imaging system to reduce the cost of the optical hard-tube lens, and meanwhile the imaging quality is improved through aspheric surface imaging. The lens tube is connected with the main lens body in the separable mode, a user can use the separable optical hard tube lens conveniently, and the separable optical hard tube lens can be used in quantity in clinics, so that cost is saved greatly for hospitals and patients, and cross infection is avoided. By means of the LED illumination mode, cost is reduced, the angle, brightness and evenness of illumination are increased, and finally the imaging quality is improved.
Description
Technical field
The present invention relates to a kind of detachable optics hard tube mirror based on LED illumination, belong to the field of the technology of industry and medical treatment detection apparatus.
Background technology
Endoscope both can be used as the medical optical instrument of diagnosis and treatment, also can be used as industrial detection equipment, had had the history of more than 200 year.Although there is fibrescope, fujinon electronic video endoscope, capsule endoscope and ultrasonic electronic mirror now, medical with hard tube endoscope for industry still with the picture element of its high-quality, be convenient to the cheaply a lot of price of Minimally Invasive Surgery, relative soft mirror and can the advantage such as high temperature high voltage resistant sterilization be used widely.Rigid pipe endoscope or selling at exorbitant prices comparatively speaking, is difficult to popularize in a large number in patient examination, so can causes the delay even mistaken diagnosis of patient's etiological diagnosis.The internal structure of tradition hard tube mirror as shown in Figure 1, this hard tube mirror comprise be made up of scope pipe and outer telescop mirror pipe, optical fiber, imaging system, light cone, main mirror and the rear screening glass etc. that are made up of objective lens, excellent mirror group and eyepiece group.Between inside and outside mirror pipe, optical fiber is housed, the rear end of optical fiber is docked with light cone light-emitting window, and the front end of optical fiber extends to the front end of mirror pipe, for illumination.Objective lens and excellent mirror group are housed in scope pipe, and eyepiece group is arranged in main mirror, is therefore difficult to realize the separation between mirror pipe and main mirror in traditional hard tube mirror: one is owing to there being illuminating optical fiber; Two is do not have eyepiece system in mirror pipe, if make detachable, need Assembling during use, then cannot realize the picture of tune then and there of imaging system, image may be fuzzy; Three be traditional method manufacture objective lens and excellent mirror composition Ben Taigao, disposable lose too unfortunate.
Summary of the invention
The object of the invention is to provide a kind of detachable optics hard tube mirror based on LED illumination, imaging system is made by adopting die casting eyeglass, can significantly reduce costs and improve image quality, meanwhile, mirror pipe and main mirror are made detachable, make mirror pipe become medical disposable material, and picture need not be adjusted in scene, this hard tube mirror is used more convenient, can cross infection be avoided, be more conducive to popularize; Adopt LED to throw light on, hard tube mirror cost can be reduced, increase light angle and brightness.
A kind of detachable optics hard tube mirror based on LED illumination of the present invention, the imaging system comprising main mirror, eyeshield, the mirror pipe be made up of scope pipe and outer telescop and be made up of objective lens, excellent mirror group and eyepiece group, the eyepiece assembly also comprising LED paster and be made up of pipe and eyepiece outer tube in eyepiece; Described LED paster to be installed between scope pipe and outer telescop and to be positioned at the front end of mirror pipe; Described mirror pipe rear end connects eyepiece assembly, and the space between described scope pipe and outer telescop is communicated with the space of managing between eyepiece outer tube in eyepiece, forms connectivity gap, and the wire of drawing from described LED paster passes the rear end of connectivity gap to eyepiece assembly; Described eyepiece group is installed in eyepiece in pipe, and described eyepiece assembly stretches into from described main mirror front end, and eyepiece assembly and described main mirror adopt separable mode to be connected; Described objective lens and excellent mirror group are arranged in the scope pipe of mirror pipe, and objective lens, excellent mirror group and eyepiece group all adopt die casting eyeglass.
Described separable mode is buckle-type connected mode, is specially: also comprise fixture, and main mirror and described eyepiece outer tube, through the tube wall of described main mirror, link together by described fixture.
Described separable mode is thread connecting mode, and the inner circle of described main mirror and the cylindrical of described eyepiece outer tube are processed with the screw thread of working in coordination.
Described scope pipe and outer telescop are stainless steel material.
Described objective lens, excellent mirror group and eyepiece group are aspherical mirror.
Described mirror pipe and eyepiece assembly form integrative-structure, by the sealing of described imaging system, LED paster and wire therein.
Described LED paster is white light LEDs paster.
Described optics hard tube mirror also comprises the supplying channels through described main mirror tube wall, and the rear end of described wire leads to outside main mirror from this supplying channels.
The quantity of described LED paster, for being more than or equal to 2, to be distributed between scope pipe and outer telescop circumferentially.
The quantity of described LED paster is 3.
The present invention has following beneficial effect:
1, objective lens, excellent mirror group and eyepiece group in detachable optics hard tube mirror of the present invention all adopt disposable die casting eyeglass, and in contrast to the techniques such as traditional milling, grinding and polishing, cut edge, gummed, its processing cost significantly reduces;
2, owing to employing die casting eyeglass, aspheric surface imaging can be realized, therefore improve image quality than traditional glass spherical lens;
3, because objective lens, excellent mirror group and eyepiece group are made in disposable mirror pipe, use front optics to adjust picture to complete and close completely and be convenient to sterilization, need not picture be adjusted completely during use, optics hard tube mirror of the present invention be used more convenient, be more conducive to applying;
4, in the present invention, mirror tube portion becomes medical disposable material, and main mirror part below can be reused, then is equipped with the follow-up imaging system of low price, thus can use in a large number in outpatient service, can be hospital and patient's greatly cost saving;
5, because mirror tube portion is separable, be disposable product, therefore can avoid cross infection;
6, the present invention adopts LED illumination mode, because the volume of LED paster is little, can the volume of corresponding reduction mirror pipe, and the application of more convenient scene;
7, the cost due to LED paster is very low, can reduce the cost of optics hard tube mirror;
8, select multiple LED paster to be distributed on mirror pipe front end, can increase brightness of illumination and the uniformity, the light angle of LED is larger, finally can improve imaging definition.
Accompanying drawing explanation
Fig. 1 is traditional hard tube mirror internal structure schematic diagram;
Fig. 2 is the front end face schematic diagram of the mirror pipe of the detachable hard tube mirror of LED illumination of the present invention;
Fig. 3 is the mirror pipe figure of the detachable hard tube mirror of LED illumination of the present invention;
Fig. 4 is the rear end face schematic diagram of the mirror pipe of the detachable hard tube mirror of LED illumination of the present invention;
Fig. 5 is the overall diagram of the detachable hard tube mirror of LED illumination of the present invention;
Wherein, 0-optical fiber, 1-outer telescop, 2-wire, 3-objective lens, 4-rod mirror group, 5-scope pipe, 6-light cone, 7-eyepiece group, screening glass after 8-, 9-eyepiece outer tube, pipe in 10-eyepiece, 11-LED paster, 12-main mirror, 13-fixture, 14-eyeshield, 15-supplying channels.
Detailed description of the invention
As shown in Figure 2-5, a kind of detachable optics hard tube mirror based on LED illumination of the present invention, the imaging system comprising main mirror 12, eyeshield 14, the mirror pipe be made up of scope pipe 5 and outer telescop 1 and be made up of objective lens 3, excellent mirror group 4 and eyepiece group 7, LED paster 11 and the eyepiece assembly be made up of pipe in eyepiece 10 and eyepiece outer tube 9, wherein, in eyepiece, pipe 10 and eyepiece outer tube 9 are tubular structure, similar with the structure of outer telescop 1 to the scope pipe 5 of mirror pipe, in eyepiece, pipe 10 is installed in eyepiece outer tube 9., LED paster 11 to be installed between scope pipe 5 and outer telescop 1 and to be positioned at the front end (defining towards observed object side is front end, the other end, be namely rear end towards observer side) of mirror pipe, for throwing light on to being imaged target, mirror pipe rear end connects eyepiece assembly, space between scope pipe 5 and outer telescop 1 is communicated with the space between pipe in eyepiece 10 with eyepiece outer tube 9, form connectivity gap, the wire 2 of drawing from LED paster 11 passes the rear end of connectivity gap to eyepiece assembly, conveniently wire 2 is led to outside main mirror 12, supplying channels 15 is set near eyeshield 14, through the tube wall of main mirror 12, wire 2 is passed by supplying channels 15 after drawing from eyepiece assembly rear end again, until outside main mirror 12, and connect with power supply, for LED paster 11 is powered, supplying channels 15 can not be damaged by guardwire 2, simultaneously, can also avoid because wire 2 is drawn from eyeshield 14 and hinder the sight line of observer.Eyepiece group 7 is installed in eyepiece in pipe 10, and eyepiece assembly stretches into from main mirror 12 front end, and eyepiece assembly and main mirror 12 adopt separable mode to be connected; Objective lens 3 and excellent mirror group 4 are arranged in the scope pipe 5 of mirror pipe, and objective lens 3, excellent mirror group 4 and eyepiece group 7 all adopt die casting eyeglass.
Compared to traditional optics hard tube mirror, the eyepiece group 7 in the present invention is not directly installed in main mirror 12, and is mounted in the eyepiece assembly of mirror pipe rear end connection, forms the imaging system of optics hard tube mirror with objective lens 3 and excellent mirror group 4.Relative position relation between three belongs to the basic fundamental of this area, repeats no more herein.
Mirror tube portion is as the key component entered in human body, and its material will meet medical standard, and some strength be had to be not easy bending, therefore selects stainless steel tube as the material of scope pipe 5 and outer telescop 1.
It should be noted that, except the imaging definition of built-in imaging system will be ensured, also to put before this and greatly reduce production cost, therefore the present invention adopts various optical material to realize the making of eyeglass in imaging system by the way of die casting, can than traditional milling, grinding and polishing, cut edge, the techniques such as gummed reduce costs to original a few percent, and aspheric surface imaging can be realized by using die casting eyeglass, therefore image quality can be improved than traditional optical glass spherical lens, the excellent mirror group 4 that traditional optical materials glass makes, objective lens 3, eyepiece group 7 and optical fiber at least account for the half of whole rigid pipe endoscope cost, the excellent mirror group 4 that particularly cost is the highest, if adopt one-step die casting, cost can significantly reduce.In addition, because imaging system is made in the integrative-structure of mirror pipe and eyepiece assembly composition, LED paster 11 and wire 2 also seal therein, and optics is adjusted picture to complete and closed completely and is convenient to sterilization before use, need not adjust picture completely during use.
Under the prerequisite reducing optics hard tube mirror cost, hard tube mirror is processed into detachable by the present invention simultaneously, namely mirror pipe and main mirror 12 separable, make the imaging system of mirror pipe and inside thereof and LED paster 11 become disposable products.As shown in Figure 5, the present invention lists the separable connected mode of buckle-type: adopt fixture 13 through the tube wall of main mirror 12, main mirror 12 and eyepiece outer tube 9 are linked together.In addition, all can also process in the inner circle of the cylindrical of eyepiece outer tube 9 and main mirror 12 front end can matching thread, then also can realize mirror pipe and be connected with the detachable of main mirror 12.Adopt detachable connected mode, can connect mirror pipe at the scene easily or be separated, mirror tube portion is made to become medical disposable material, main mirror 12 part is reused, therefore, optics hard tube mirror of the present invention can use in a large number in outpatient service, can be hospital and patient's greatly cost saving, because mirror tube portion is separable, be that therefore disposable product can avoid cross infection.
The present invention adopts LED paster 11 to throw light on, and because the volume of LED paster 11 is very little, what make LED paster is mounted for possibility, easy to use.In addition, because the cost of LED paster 11 is very low, compared to traditional optical fibre illumination, the cost of optics hard tube mirror of the present invention also reduces; The light angle of LED paster 11 is also very large, selects high-power white light LEDs paster, imaging can be made more clear.2 or multiple LED pasters 11 to be distributed between scope pipe 5 and outer telescop 1 circumferentially, can to being imaged target Uniform Illumination.In principle, LED paster 11 number is more, and illuminating effect is better, but can affect cost and the efficiency of installation, therefore, selects 3 LED pasters 11 ideal.
To sum up, these are only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the detachable optics hard tube mirror based on LED illumination, the imaging system comprising main mirror (12), eyeshield (14), the mirror pipe be made up of scope pipe (5) and outer telescop (1) and be made up of objective lens (3), excellent mirror group (4) and eyepiece group (7), is characterized in that: the eyepiece assembly also comprising LED paster (11) and be made up of pipe (10) and eyepiece outer tube (9) in eyepiece; Described LED paster (11) to be installed between scope pipe (5) and outer telescop (1) and to be positioned at the front end of mirror pipe; Described mirror pipe rear end connects eyepiece assembly, space between described scope pipe (5) and outer telescop (1) is communicated with the space of managing between (10) with eyepiece outer tube (9) in eyepiece, form connectivity gap, the wire (2) of drawing from described LED paster (11) through connectivity gap to the rear end of eyepiece assembly; Described eyepiece group (7) is installed in eyepiece in pipe (10), and described eyepiece assembly stretches into from described main mirror (12) front end, and eyepiece assembly adopts separable mode to be connected with described main mirror (12); Described objective lens (3) and excellent mirror group (4) are arranged in the scope pipe (5) of mirror pipe, and objective lens (3), excellent mirror group (4) and eyepiece group (7) all adopt die casting eyeglass.
2. a kind of detachable optics hard tube mirror based on LED illumination as claimed in claim 1, it is characterized in that, described separable mode is buckle-type connected mode, be specially: also comprise fixture (13), main mirror (12) and described eyepiece outer tube (9), through the tube wall of described main mirror (12), link together by described fixture (13).
3. a kind of detachable optics hard tube mirror based on LED illumination as claimed in claim 1, it is characterized in that, described separable mode is thread connecting mode, and the inner circle of described main mirror (12) and the cylindrical of described eyepiece outer tube (9) are processed with the screw thread of working in coordination.
4. a kind of detachable optics hard tube mirror based on LED illumination as claimed in claim 1, it is characterized in that, described scope pipe (5) and outer telescop (1) are stainless steel material.
5. a kind of detachable optics hard tube mirror based on LED illumination as claimed in claim 1, it is characterized in that, described objective lens (3), excellent mirror group (4) and eyepiece group (7) are aspherical mirror.
6. a kind of detachable optics hard tube mirror based on LED illumination as claimed in claim 1, it is characterized in that, described mirror pipe and eyepiece assembly form integrative-structure, by the sealing of described imaging system, LED paster (11) and wire (2) therein.
7. a kind of detachable optics hard tube mirror based on LED illumination as claimed in claim 1, it is characterized in that, described LED paster (11) is white light LEDs paster.
8. a kind of detachable optics hard tube mirror based on LED illumination as claimed in claim 1, it is characterized in that, also comprise the supplying channels (15) through described main mirror (12) tube wall, the rear end of described wire (2) leads to main mirror (12) outside from this supplying channels (15).
9. a kind of detachable optics hard tube mirror based on LED illumination as claimed in claim 1, it is characterized in that, the quantity of described LED paster (11), for being more than or equal to 2, to be distributed between scope pipe (5) and outer telescop (1) circumferentially.
10. a kind of detachable optics hard tube mirror based on LED illumination as claimed in claim 9, it is characterized in that, the quantity of described LED paster (11) is 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410072160.7A CN104873164B (en) | 2014-02-27 | 2014-02-27 | Separable optical hard-tube lens based on LED illumination |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410072160.7A CN104873164B (en) | 2014-02-27 | 2014-02-27 | Separable optical hard-tube lens based on LED illumination |
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| Publication Number | Publication Date |
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| CN104873164A true CN104873164A (en) | 2015-09-02 |
| CN104873164B CN104873164B (en) | 2017-04-19 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017012192A1 (en) * | 2015-07-22 | 2017-01-26 | 北京威斯顿亚太光电仪器有限公司 | Hard tube mirror |
| CN107765418A (en) * | 2017-09-29 | 2018-03-06 | 赛诺微医疗科技（浙江）有限公司 | The medical electronic endoscope of built-in light-source |
| CN108618745A (en) * | 2017-12-20 | 2018-10-09 | 江门市鸿想医疗器械科技有限公司 | A kind of ureteroscope of split structure |
| WO2023221662A1 (en) * | 2022-05-18 | 2023-11-23 | 杭州英术生命科技有限公司 | Optical hard tube endoscope |
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| CN107765418A (en) * | 2017-09-29 | 2018-03-06 | 赛诺微医疗科技（浙江）有限公司 | The medical electronic endoscope of built-in light-source |
| CN107765418B (en) * | 2017-09-29 | 2020-11-24 | 赛诺微医疗科技（浙江）有限公司 | Medical electronic endoscope with built-in light source |
| CN108618745A (en) * | 2017-12-20 | 2018-10-09 | 江门市鸿想医疗器械科技有限公司 | A kind of ureteroscope of split structure |
| WO2023221662A1 (en) * | 2022-05-18 | 2023-11-23 | 杭州英术生命科技有限公司 | Optical hard tube endoscope |
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| CN104873164B (en) | 2017-04-19 |
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Denomination of invention: A separable optical hard tube mirror based on LED illumination Effective date of registration: 20200923 Granted publication date: 20170419 Pledgee: Liu Liang Pledgor: WTI (Beijing) Asia-Pacific Photoelectric Instrument Co.,Ltd. Registration number: Y2020990001157 |