CN106597645A - Optical system of hard-tube type laparoscope - Google Patents
Optical system of hard-tube type laparoscope Download PDFInfo
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- CN106597645A CN106597645A CN201710089107.1A CN201710089107A CN106597645A CN 106597645 A CN106597645 A CN 106597645A CN 201710089107 A CN201710089107 A CN 201710089107A CN 106597645 A CN106597645 A CN 106597645A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/04—Reversed telephoto objectives
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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
- A61B1/00163—Optical arrangements
- A61B1/00195—Optical arrangements with eyepieces
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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
- A61B1/313—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 for introducing through surgical openings, e.g. laparoscopes
- A61B1/3132—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 for introducing through surgical openings, e.g. laparoscopes for laparoscopy
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/0095—Relay lenses or rod lenses
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Abstract
The invention relates to an optical system of a hard-tube type laparoscope. The optical system comprises an objective lens system, a relay lens system, and an eyepiece system in sequence along the light propagation direction; the objective lens system is a retrofocus structure and comprises a first protection window, a flat concave mirror, a first aperture diaphragm, a meniscus convex lens, a second meniscus convex lens, a first double-gluing convex lens, and a second double-gluing convex lens glued in sequence along the light propagation direction; one side of the flat concave mirror, close to the surface of the first aperture diaphragm, is an aspheric structure; the relay lens system comprises n groups of relay lens groups, and each group of the relay lens group comprises double-gluing rod-shaped lenses formed by gluing of rod-shaped concave mirrors and convex lenses, wherein n is an odd number; the external surface of the convex lens is an aspheric structure; and the eyepiece system is an object space telecentric structure and comprises a double-gluing convex lens, a second protection window, and a second aperture diaphragm glued along the light propagation direction. According to the optical system, high-definition resolution is realized, and the optical imaging performance whose distortion is less than 0.5 % is achieved.
Description
Technical field
The present invention relates to a kind of optical system, and in particular to a kind of laparoscopically optical system of hard pipe type.
Background technology
The existing over one hundred year developing history of hard pipe type laparoscope, has formed so far many brand products of different class.It is existing
By hard pipe type laparoscope be made up of the eyepiece of the image-forming objective lens of end, the relay system in stage casing and near-end, wherein image-forming objective lens
Conclusive effect is played to laparoscopically imaging performance.The big visual field of laparoscope requirement and thin footpath, and medical diagnosis and operation
The imaging high-resolution of endoscope and low distortion are required again, and this just proposes high wanting to objective of endoscope imaging system and relay system
Ask.For example show electronic device for the high definition of existing 768*1024, it is desirable to which the optical system of endoscope can correspondingly reach
High-resolution imaging in the range of full filed；More accurate focus diagnosis and operation then requires that the distortion of optical system is low.
Existing endoscope optical system have plenty of by plano-concave negative lens, convex-concave negative lens, parallel flat, turn to prism,
Planoconvex spotlight, follow-up balsaming lens composition, it is the optimization design correction system using the first negative lens and the second negative lens
Distortion, but do not provide achieved relative distortion value；Have plenty of and designed using the endoscope lens of sapphire material, it is
It is made up of two planoconvex lens, greatest optical distortion is 20%.
To sum up existing endoscope optical system, all can not well correct big visual field optical distortion and ensure to regard entirely simultaneously
Optics high definition imaging in.In consideration of it, be badly in need of a kind of big visual field rigid pipe endoscope optical system of research and development, it have low distortion and
The characteristics of high definition is imaged in full filed.
The content of the invention
It is an object of the invention to provide a kind of optical imagery performance with high-resolution resolution ratio and distortion less than 0.5%
The laparoscopically optical system of hard pipe type, to overcome the deficiencies in the prior art.
In order to achieve the above object, the technical scheme is that：A kind of laparoscopically optical system of hard pipe type, including edge
The light direction of propagation is followed successively by objective system, relay mirror system and eyepiece system, the objective system, relay mirror system and eyepiece
Cascade System connects, and relay mirror system is located between objective system and eyepiece system；Its innovative point is：
The objective system is anti-long distance structure, and objective system includes that successively mutually the first of gluing is protected along the light direction of propagation
Window, plano-concave mirror, the first aperture diaphragm, the first bent moon convex lens, the second bent moon convex lens, first pair of glued convex lens and second pair of gluing are convex
Mirror；The surface of the side of the plano-concave mirror of the objective system and close first aperture diaphragm is non-spherical structure；
The relay mirror system includes the relaying microscope group of n groups, and per group of relaying microscope group is double telecentric structure, and it is by two double glue
Close rod-like mirror symmetric arrays to constitute, and the center between two double gluing rod-like mirrors is provided with aperture diaphragm, double gluing rods
Shape mirror is formed by bar-shaped concave mirror and convex lens gluing, wherein, n is odd number；The outer surface of the convex lens of double gluing rod-like mirrors is non-
Spherical structure；
The eyepiece system is object space telecentric structure, and eyepiece system includes that the double gluings mutually glued along the light direction of propagation are convex
Mirror, Second Protection Window and the second aperture diaphragm；
The glued convex lens of second pair of the objective system is located at the outside of the bar-shaped concave mirror of relay mirror system one end, eyepiece system
Double glued convex lens are located at the outside of the bar-shaped concave mirror of the relay mirror system other end.
In above-mentioned technical proposal, the first aperture diaphragm of the objective system is located at the front focal plane of the first bent moon convex lens
Place constitutes telecentric beam path in image space.
In above-mentioned technical proposal, it is described first protection window, plano-concave mirror, the first aperture diaphragm, the first bent moon convex lens, second
Bent moon convex lens, first pair of glued convex lens and second pair of glued convex lens pass sequentially through ultraviolet light-sensitive emulsion either methyl alcohol glue or optics ring
Oxygen glue glued adhesion.
In above-mentioned technical proposal, the bar-shaped concave mirror and convex lens ultraviolet light-sensitive emulsion or methyl alcohol of double gluing rod-like mirrors
Glue or optical epoxy glue glued adhesion.
In above-mentioned technical proposal, double gluing convex lens, Second Protection Window and the second aperture diaphragm pass sequentially through ultraviolet
Light-sensitive emulsion either methyl alcohol glue or optical epoxy glue glued adhesion.
In above-mentioned technical proposal, the first protection window of the objective system is quartz glass or sapphire.
In above-mentioned technical proposal, the Second Protection Window of the eyepiece system is quartz glass or sapphire.
The good effect that has of the present invention is：After the laparoscopically optical system of hard pipe type using the present invention, due to this
It is anti-long distance structure to invent the objective system, and including along the light direction of propagation mutually glued successively the first protection window, plano-concave
Mirror, the first aperture diaphragm, the first bent moon convex lens, the second bent moon convex lens, first pair of glued convex lens and second pair of glued convex lens, it is described
The surface of the side of the plano-concave mirror of objective system and close first aperture diaphragm is non-spherical structure, and the objective system of the present invention is adopted
Aspheric optimization design is used, the imaging of high-resolution in 75 ° of full fileds and low distortion can be so obtained；Again due to described
Relay mirror system includes the relaying microscope group of n groups, and per group of relaying microscope group is double telecentric structure, and it is by two double gluing rod-like mirrors
Symmetric arrays are constituted, and the center between two double gluing rod-like mirrors is provided with aperture diaphragm, and double gluing rod-like mirrors are by rod
Shape concave mirror and convex lens gluing are formed, wherein, n is odd number；The outer surface of the convex lens of double gluing rod-like mirrors is non-spherical structure,
This way it is ensured that the correction of relay mirror system aberration and high-light-energy transmitance；Again because the eyepiece system is object space telecentricity knot
Structure, and eyepiece system includes pair gluing convex lens, Second Protection Window and the second aperture diaphragm along light direction of propagation phase gluing；Institute
Second pair of glued convex lens of objective system is stated positioned at the outside of the bar-shaped concave mirror of relay mirror system one end, double gluings of eyepiece system
Convex lens is located at the outside of the bar-shaped concave mirror of the relay mirror system other end；Because objective system of the present invention is anti-long distance structure,
Eyepiece system is object space telecentric structure, to ensure and the pupil of relay mirror system is connected, and according to directly by eyepiece observing institute
Requirement of the visual field and rear end camera chain of needs to visual field, determines the focal length of eyepiece group；Present invention has the advantage that：
First, laparoscope is big visual field system, and a piece of plano-concave mirror is adopted in the objective system of the present invention, is set by aspheric optimization
Meter so that the optical distortion of object lens is less than 0.5 %, while the imaging of 768*1024 high-resolutions is realized in full filed, it is aspherical
For rotational symmetric quadratic surface, reduce it is aspherical processing, detect, debug in difficulty；
2nd, the relay system of endoscope requires aberration and the high-light-energy transmitance for not inducing one new, and the present invention is using duplicate
The relay mirror system that HOPKINS rod-like mirrors are constituted reaches this purpose, and rod-like mirror is double glued constructions, introduces aspheric design, axle
Eliminated well to aberration；The rod-like mirror of two Striking symmetry arrangements constitutes one group of double telecentric optical system, and hang down axial aberration
Corrected well.Using identical HOPKINS rod-like mirror, be conducive to the processing and manufacturing of element.
Description of the drawings
Fig. 1 is the structural representation of the laparoscopically optical system of hard pipe type of the present invention；
Fig. 2 is the structural representation of the objective system of the present invention；
Fig. 3 is the structural representation of the relay mirror system of the present invention；
Fig. 4 is the eyepiece system schematic diagram of the present invention；
Fig. 5 is the MTF curve figure of the laparoscopically optical system of hard pipe type of the present invention；
Fig. 6 is the distortion curve figure of the laparoscopically optical system of hard pipe type of the present invention；
Fig. 7 is the illuminance of image plane curve map of the laparoscopically optical system of hard pipe type of the present invention.
Specific embodiment
Below in conjunction with accompanying drawing and the embodiment for being given, the present invention is further illustrated, but is not limited thereto.
As shown in Fig. 1,2,3,4,5,6,7, a kind of laparoscopically optical system of hard pipe type, including along the light direction of propagation according to
It is secondary for objective system 1, relay mirror system 2 and eyepiece system 3, the objective system 1, relay mirror system 2 and eyepiece system 3 are connected
Connection, and relay mirror system 2 is positioned between objective system 1 and eyepiece system 3；
The objective system 1 is anti-long distance structure, and objective system 1 includes that successively mutually the first of gluing protects along the light direction of propagation
The glued convex lens 15 of shield window 10, plano-concave mirror 11, the first aperture diaphragm 12, the first bent moon convex lens 13, the second bent moon convex lens 14, first pair
With second pair of glued convex lens 16；The surface of the side of the plano-concave mirror 11 of the objective system 1 and close first aperture diaphragm 12 is
Non-spherical structure；
The relay mirror system 2 includes the relaying microscope group of n groups, and per group of relaying microscope group is double telecentric structure, and it is double by two
Glued rod-like mirror symmetric arrays are constituted, and the center between two double gluing rod-like mirrors is provided with aperture diaphragm, described double glued
Rod-like mirror is formed by the bar-shaped concave mirror 21 for correcting axial aberration and the gluing of convex lens 22 for undertaking focal power, wherein, n is odd number；Institute
The outer surface for stating the convex lens 22 of double gluing rod-like mirrors is non-spherical structure；
The eyepiece system 3 is object space telecentric structure, and eyepiece system 3 includes that the double gluings mutually glued along the light direction of propagation are convex
Mirror 31, the aperture diaphragm 33 of Second Protection Window 32 and second；
The glued convex lens 16 of second pair of the objective system 1 is located at the outside of the bar-shaped concave mirror 21 of the one end of relay mirror system 2, eyepiece
Double gluing convex lens 31 of system 3 are located at the outside of the bar-shaped concave mirror 21 of the other end of relay mirror system 2.
As shown in Fig. 2 on the one hand the design of objective system of the present invention 1 is beneficial to the correction of 75 ° of Off-axis aberrations, separately
On the one hand increased the back work distance of camera lens from；First aperture diaphragm 12 of the objective system 1 is located at the first bent moon convex lens 13
Front focal plane constitute telecentric beam path in image space, it is ensured that the pupil of the uniform relay mirror system with double telecentric structure of illuminance of image plane
Hole is connected.For the laparoscope of different length specification requirement, relay mirror system 2 can be made up of the above-mentioned relaying microscope group of odd number group.
As shown in Fig. 2 the rear surface of the plano-concave mirror 11 of objective system of the present invention 1 is quadratic surface so that distortion
Symbol invert, because the overall distortion of rear group of convex lens is on the occasion of the barrel distortion of aspherical generation ensure that systematical distortion
Correction, that is to say, that aspheric optimization design ensure that high-resolution and less than 0.5% distortion optical imagery；Rotation is right
The quadratic surface of title reduces the aspherical difficulty in processing, detection and dress school.
As shown in figure 3, the double gluing rod-like mirrors of each of the relay mirror system 2 of the present invention are by the rod for correcting axial aberration
Shape concave mirror is formed with the convex lens gluing for undertaking focal power, and the outer surface of convex lens 22 is designed for quadratic surface, and aspheric design is protected
The correction of rod-like mirror axial aberration is demonstrate,proved.
As shown in figure 4, eyepiece system of the present invention 3 is designed as object space telecentric structure, to ensure and front end relay lens system
The pupil linking of system 2, and requirement of the visual field and rear end camera chain according to required for directly being observed by eyepiece to visual field, really
The focal length of heliostat group.The angle of visual field of eyepiece system of the present invention 3, the mm of exit pupil diameter 2.3, distance of exit pupil 13
mm。
First protection window 10 of the present invention, plano-concave mirror 11, the first aperture diaphragm 12, the first bent moon convex lens 13, second are curved
14, first pair of glued convex lens 15 of moon convex lens and second pair of glued convex lens 16 pass sequentially through ultraviolet light-sensitive emulsion either methyl alcohol glue or light
Learn epoxy glue glued adhesion.
The bar-shaped concave mirror 21 of double gluing rod-like mirror of the present invention and the ultraviolet light-sensitive emulsion of convex lens 22 either methyl alcohol glue or
Optical epoxy glue glued adhesion.
Double gluing convex lens 31 of the present invention, the aperture diaphragm 33 of Second Protection Window 32 and second pass sequentially through ultraviolet light-sensitive emulsion
Either methyl alcohol glue or optical epoxy glue glued adhesion.
First protection window 10 of objective system of the present invention 1 is quartz glass or sapphire.
The Second Protection Window 32 of eyepiece system of the present invention 3 is quartz glass or sapphire.
As shown in figure 1, the laparoscopically optical system of the hard pipe type of the present invention includes being followed successively by object lens along the light direction of propagation
System 1, relay mirror system 2 and eyepiece system 3, because laparoscopically imaging surface is minimally invasive surface, in order to avoid the surface of a wound from sticking
Visual observation when performing the operation and operation are even affected, air-blowing process need to be done, therefore object plane is set to spherical arc.
It is the aspherical laparoscopically MTF curve of direct viewing type, distortion curve, illuminance of image plane curve map as shown in Fig. 5,6,7,
The invention discloses a kind of external diameter is the laparoscopically optical system of hard pipe type of 6 mm and 75 ° of visual fields, with high-resolution resolution ratio
With optical imagery performance of the distortion less than 0.5 %.Endoscopic system by the objective system using aspheric design, be based on
The relay mirror system of HOPKINS rods mirror and aspheric design, the eyepiece system of 75 ° of angle of visual field object space telecentricities are combined.It is described
The first surface of the plano-concave mirror of objective system is rotational symmetric quadratic surface, by the optimization design to it, is corrected well
The distortion of system and it is imaged there is provided the high-resolution in full filed.Described HOPKINS rod-like mirror relay systems, by odd number group
HOPKINS bar-shaped microscope groups composition, single double gluing rod-like mirrors form by bar-shaped concave mirror and convex lens gluing, the appearance of convex lens
Face is designed for quadratic surface, and axial aberration has been corrected well；Two symmetrically arranged rod-like mirrors constitute one group of double telecentric structure
Relaying microscope group.The eyepiece system be object space telecentric structure, according to the requirement of rear end camera chain, meet the ω of the angle of visual field 2=
15.19°.Therefore, the laparoscopically optical system of hard pipe type of the invention has the optical imagery of high-resolution, low distortion, 75 ° of visual fields
Performance.
Claims (7)
1. a kind of laparoscopically optical system of hard pipe type, including along the light direction of propagation objective system is followed successively by（1）, relay lens system
System（2）And eyepiece system（3）, the objective system（1）, relay mirror system（2）And eyepiece system（3）It is connected in series, and relays
Mirror system（2）Positioned at objective system（1）And eyepiece system（3）Between；It is characterized in that：
The objective system（1）For anti-long distance structure, and objective system（1）Including along the light direction of propagation successively mutually glued the
One protection window（10）, plano-concave mirror（11）, the first aperture diaphragm（12）, the first bent moon convex lens（13）, the second bent moon convex lens（14）,
A pair of gluing convex lens（15）With second pair of glued convex lens（16）；The objective system（1）Plano-concave mirror（11）Side and close
First aperture diaphragm（12）Surface be non-spherical structure；
The relay mirror system（2）Including the relaying microscope group of n groups, per group of relaying microscope group is double telecentric structure, and it is by two
Double glued rod-like mirror symmetric arrays are constituted, and the center between two double gluing rod-like mirrors is provided with aperture diaphragm, described pair of glue
Rod-like mirror is closed by bar-shaped concave mirror（21）And convex lens（22）Gluing is formed, wherein, n is odd number；The convex lens of double gluing rod-like mirrors
（22）Outer surface be non-spherical structure；
The eyepiece system（3）For object space telecentric structure, and eyepiece system（3）Including along the mutually glued double glue in the light direction of propagation
Close convex lens（31）, Second Protection Window（32）With the second aperture diaphragm（33）；
The objective system（1）Second pair of glued convex lens（16）Positioned at relay mirror system（2）The bar-shaped concave mirror of one end（21）'s
Outside, eyepiece system（3）Double gluing convex lens（31）Positioned at relay mirror system（2）The bar-shaped concave mirror of the other end（21）Outside.
2. the laparoscopically optical system of hard pipe type according to claim 1, it is characterised in that：The objective system（1）'s
First aperture diaphragm（12）It is located at the first bent moon convex lens（13）Front focal plane constitute telecentric beam path in image space.
3. the laparoscopically optical system of hard pipe type according to claim 1, it is characterised in that：The first protection window
（10）, plano-concave mirror（11）, the first aperture diaphragm（12）, the first bent moon convex lens（13）, the second bent moon convex lens（14）, first pair of gluing
Convex lens（15）With second pair of glued convex lens（16）Pass sequentially through ultraviolet light-sensitive emulsion either methyl alcohol glue or optical epoxy glue glued adhesion.
4. the laparoscopically optical system of hard pipe type according to claim 1, it is characterised in that：Double gluing rod-like mirrors
Bar-shaped concave mirror（21）With convex lens（22）With ultraviolet light-sensitive emulsion either methyl alcohol glue or optical epoxy glue glued adhesion.
5. the laparoscopically optical system of hard pipe type according to claim 1, it is characterised in that：Double gluing convex lens
（31）, Second Protection Window（32）With the second aperture diaphragm（33）Pass sequentially through ultraviolet light-sensitive emulsion either methyl alcohol glue or optical epoxy
Glue glued adhesion.
6. the laparoscopically optical system of hard pipe type according to claim 1, it is characterised in that：The objective system（1）'s
First protection window（10）For quartz glass or sapphire.
7. the laparoscopically optical system of hard pipe type according to claim 1, it is characterised in that：The eyepiece system（3）'s
Second Protection Window（32）For quartz glass or sapphire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710089107.1A CN106597645A (en) | 2017-02-20 | 2017-02-20 | Optical system of hard-tube type laparoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710089107.1A CN106597645A (en) | 2017-02-20 | 2017-02-20 | Optical system of hard-tube type laparoscope |
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| Publication Number | Publication Date |
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| CN106597645A true CN106597645A (en) | 2017-04-26 |
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ID=58587662
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710089107.1A Pending CN106597645A (en) | 2017-02-20 | 2017-02-20 | Optical system of hard-tube type laparoscope |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107085295A (en) * | 2017-06-30 | 2017-08-22 | 江苏鹰利视医疗器械有限公司 | The optical imaging system of endoscope |
| WO2020140833A1 (en) * | 2019-01-03 | 2020-07-09 | 鹰利视医疗科技有限公司 | 4k laparoscope objective lens with 30° viewing angle |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5936778A (en) * | 1997-03-19 | 1999-08-10 | Fuji Photo Optical Co., Ltd. | Objective lens for endoscope |
| CN101681013A (en) * | 2007-06-12 | 2010-03-24 | 奥林巴斯株式会社 | Optical element, optical system, and endoscope using same |
| CN202568187U (en) * | 2012-04-27 | 2012-12-05 | 萧慕东 | Rigid tube endoscope |
| CN104905759A (en) * | 2014-03-14 | 2015-09-16 | 青岛奥美克医疗科技有限公司 | Core optical system of endoscope |
| CN105026978A (en) * | 2013-06-26 | 2015-11-04 | 奥林巴斯株式会社 | Endoscope objective optical system |
| CN105278094A (en) * | 2014-06-24 | 2016-01-27 | 中国航天科工集团第三研究院第八三五八研究所 | Hard-tube endoscope optical system |
| CN105278095A (en) * | 2014-07-02 | 2016-01-27 | 富士胶片株式会社 | Endoscope objective lens and endoscope |
| CN105662315A (en) * | 2015-12-31 | 2016-06-15 | 天津市融和机电科技有限公司 | High-resolution breast duct endoscope optical system |
| CN205374868U (en) * | 2015-12-31 | 2016-07-06 | 天津市融和机电科技有限公司 | Superfine breast pipe mirror optical system |
| CN206450895U (en) * | 2017-02-20 | 2017-08-29 | 江苏鹰利视医疗器械有限公司 | A kind of optical system of hard pipe type laparoscope |
-
2017
- 2017-02-20 CN CN201710089107.1A patent/CN106597645A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5936778A (en) * | 1997-03-19 | 1999-08-10 | Fuji Photo Optical Co., Ltd. | Objective lens for endoscope |
| CN101681013A (en) * | 2007-06-12 | 2010-03-24 | 奥林巴斯株式会社 | Optical element, optical system, and endoscope using same |
| CN202568187U (en) * | 2012-04-27 | 2012-12-05 | 萧慕东 | Rigid tube endoscope |
| CN105026978A (en) * | 2013-06-26 | 2015-11-04 | 奥林巴斯株式会社 | Endoscope objective optical system |
| CN104905759A (en) * | 2014-03-14 | 2015-09-16 | 青岛奥美克医疗科技有限公司 | Core optical system of endoscope |
| CN105278094A (en) * | 2014-06-24 | 2016-01-27 | 中国航天科工集团第三研究院第八三五八研究所 | Hard-tube endoscope optical system |
| CN105278095A (en) * | 2014-07-02 | 2016-01-27 | 富士胶片株式会社 | Endoscope objective lens and endoscope |
| CN105662315A (en) * | 2015-12-31 | 2016-06-15 | 天津市融和机电科技有限公司 | High-resolution breast duct endoscope optical system |
| CN205374868U (en) * | 2015-12-31 | 2016-07-06 | 天津市融和机电科技有限公司 | Superfine breast pipe mirror optical system |
| CN206450895U (en) * | 2017-02-20 | 2017-08-29 | 江苏鹰利视医疗器械有限公司 | A kind of optical system of hard pipe type laparoscope |
Non-Patent Citations (2)
| Title |
|---|
| 向阳: "目视医用硬性内窥镜光学系统初始结构设计", 《长春理工大学学报》 * |
| 禹璐 等: "大景深高清硬性内窥镜光学系统的优化设计", 《光学学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107085295A (en) * | 2017-06-30 | 2017-08-22 | 江苏鹰利视医疗器械有限公司 | The optical imaging system of endoscope |
| WO2019001275A1 (en) * | 2017-06-30 | 2019-01-03 | 鹰利视医疗科技有限公司 | Optical imaging system for endoscope |
| WO2020140833A1 (en) * | 2019-01-03 | 2020-07-09 | 鹰利视医疗科技有限公司 | 4k laparoscope objective lens with 30° viewing angle |
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Address after: 213002 No. 120 Hanjiang West Road, Xinbei District, Jiangsu, Changzhou Applicant after: Eagle view Medical Technology Co Ltd Address before: 213002 Jiangsu Eagle Eagle sight Medical Instrument Co., Ltd., 120, West Hanjiang Road, Xinbei District, Jiangsu, Changzhou Applicant before: Jiangsu Eagle Medical Instrument Co., Ltd. |
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Application publication date: 20170426 |