CN206362970U - The lighting device of endoscope-use - Google Patents
The lighting device of endoscope-use Download PDFInfo
- Publication number
- CN206362970U CN206362970U CN201690000224.5U CN201690000224U CN206362970U CN 206362970 U CN206362970 U CN 206362970U CN 201690000224 U CN201690000224 U CN 201690000224U CN 206362970 U CN206362970 U CN 206362970U
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- China
- Prior art keywords
- light
- fibre bundle
- led
- light source
- multifiber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000835 fiber Substances 0.000 claims abstract description 77
- 238000003780 insertion Methods 0.000 claims abstract description 9
- 230000037431 insertion Effects 0.000 claims abstract description 9
- 238000005286 illumination Methods 0.000 description 21
- 239000013307 optical fiber Substances 0.000 description 17
- 230000002093 peripheral effect Effects 0.000 description 12
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/04—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres
Abstract
The lighting device of endoscope-use is provided.The lighting device (10) of endoscope-use has LED/light source (50) and fibre bundle (30), the LED/light source (50) has the square light-emitting area (52) for being shaped generally as plane, and the fibre bundle (30) guides the light sent from the LED/light source (50) the leading section of the insertion section possessed to endoscope.Fibre bundle (30) is harness multifiber (32) and constituted.The profile of arrangement of the multifiber (32) on the incident side end face (42) arranged opposite with the light-emitting area (52) of LED/light source (50) of fibre bundle (30) is formed as rounded square.
Description
Technical field
The utility model is directed to use with the lighting device of the endoscope-use of fibre bundle.
Background technology
As the lighting device of endoscope-use, it is known to the device using fibre bundle.In such lighting device, in order to
The light quantity of abundance is obtained using LED/light source, is preferably, the end face of fibre bundle and the light-emitting area of LED/light source are opposed to configuration, and
And the profile of the arrangement of the multifiber of fibre bundle has the profile identical shapes and sizes with the light-emitting area of LED/light source.
One of the fibre bundle based on the purpose is for example disclosed in Japanese Unexamined Patent Publication 2001-343536 publications.
Utility model content
The utility model problem to be solved
In the illumination of endoscope-use, in addition to sufficient light quantity, also require uneven without illumination, illumination inequality is to make
The one of the main reasons of the observation hydraulic performance decline of endoscope.
But, in the lighting device of the endoscope-use of use fibre bundle configured as described, although can be filled
The light quantity of foot, but the illumination can produce uneven, expect to be further improved.
The purpose of this utility model is that there is provided improve the illumination of endoscope-use, the lighting device for endoscope-use
Reduce and produce the uneven fibre bundle of illumination.
Means for solving the problems
The utility model is harness multifiber and the fibre bundle that constitutes, arrangement of the multifiber on the end face of a side
Profile is formed as rounded square.
Utility model effect
Reduction used in lighting device according to the utility model there is provided endoscope-use produces the uneven light of illumination
Fine beam.
Brief description of the drawings
Fig. 1 shows an embodiment of the lighting device of endoscope-use.
Fig. 2 shows (a square lattice of arrangement pattern of the multifiber on the incident side end face of Fig. 1 fibre bundle
Arrange pattern).
Fig. 3 shows other example (hexagonal mesh of arrangement pattern of the multifiber on the incident side end face of Fig. 1 fibre bundle
Son arrangement pattern).
Fig. 4 shows another example (honeycomb structure of arrangement pattern of the multifiber on the incident side end face of Fig. 1 fibre bundle
Make arrangement pattern).
Fig. 5 is shown schematically in the Luminance Distribution of the light-emitting area of LED/light source.
Fig. 6 and the optical fiber of the square lattice arrangement pattern shown in Fig. 2 of the fibre bundle based on conventional idea arrangement weight
The part in the upper left corner of the light-emitting area for the LED/light source that the square of the single dotted broken line shown in Fig. 5 is surrounded is enlargedly show foldedly.
Fig. 7 and the optical fiber of the hexagonal mesh arrangement pattern shown in Fig. 3 of the fibre bundle based on conventional idea arrangement weight
The part in the upper left corner of the light-emitting area for the LED/light source that the square of the single dotted broken line shown in Fig. 5 is surrounded is enlargedly show foldedly.
Fig. 8 and the optical fiber of the ojosa arrangement pattern shown in Fig. 4 of the fibre bundle based on conventional idea arrangement weight
The part in the upper left corner of the light-emitting area for the LED/light source that the square of the single dotted broken line shown in Fig. 5 is surrounded is enlargedly show foldedly.
Fig. 9 diagrammatically illustrates the incident side end of the fibre bundle of an embodiment.
Figure 10 diagrammatically illustrates the incident side end of the fibre bundle of another embodiment.
Figure 11 enlargedly show the incident side end face of the fibre bundle shown in Fig. 9.
The arrangement weight of the multifiber of square lattice arrangement pattern shown in Fig. 2 of Figure 12 and the fibre bundle of present embodiment
The part in the upper left corner of the light-emitting area for the LED/light source that the square of the single dotted broken line shown in Fig. 5 is surrounded is enlargedly show foldedly.
The arrangement weight of the multifiber of hexagonal mesh arrangement pattern shown in Fig. 3 of Figure 13 and the fibre bundle of present embodiment
The part in the upper left corner of the light-emitting area for the LED/light source that the square of the single dotted broken line shown in Fig. 5 is surrounded is enlargedly show foldedly.
The arrangement weight of the multifiber of ojosa arrangement pattern shown in Fig. 4 of Figure 14 and the fibre bundle of present embodiment
The part in the upper left corner of the light-emitting area for the LED/light source that the square of the single dotted broken line shown in Fig. 5 is surrounded is enlargedly show foldedly.
Embodiment
Hereinafter, while one side is illustrated to embodiment of the present utility model referring to the drawings.
Fig. 1 shows an embodiment of the lighting device 10 of endoscope (not shown).As shown in figure 1, this interior is peeped
The lighting device 10 of mirror has：LED/light source 50, it has the square light-emitting area 52 for being shaped generally as plane；And fibre bundle
30, the leading section of its insertion section for possessing the light directing endoscope sent from the LED/light source 50.
Fibre bundle 30 is harness multifiber 32 and constituted that multifiber 32 is accommodated in the inside of protection pipe 34.Optical fiber
The end of one side of beam 30 is configured at the vicinity of LED/light source 50, and the end of the opposing party is configured at the insertion section that endoscope possesses
Leading section.Hereinafter, the end that will be configured at the fibre bundle 30 of the vicinity of LED/light source 50 is referred to as incident side end, will be configured at
The end of the fibre bundle 30 of the leading section for the insertion section that endoscope possesses is referred to as projecting side end.Also, by fibre bundle 30
The end face of incident side end is referred to as incident side end face, and the end face of the injection side end of fibre bundle 30 is referred to as to project side end face.
The sleeve (sleeve) 36 for surrounding multifiber 32 is provided with the incident side end of fibre bundle 30.The sleeve 36 is true
Determine the pattern and profile of arrangement of the multifiber 32 on the incident side end face 42 of fibre bundle 30.Also, in penetrating for fibre bundle 30
Go out side end and be provided with the sleeve 38 for surrounding multifiber 32.The sleeve 38 determines emitting side of the multifiber 32 in fibre bundle 30
The pattern and profile of arrangement on end face 44.Sleeve 36,38 is not configured at the inside of protection pipe 34.
The incident side end face 42 of fibre bundle 30 and the light-emitting area 52 of LED/light source 50 are arranged opposite.In one example, fibre bundle 30
Incident side end face 42 can be separated with the light-emitting area 52 of LED/light source 50 it is small with gap with the configured in parallel of light-emitting area 52.
In another example, the incident side end face 42 of fibre bundle 30 can also contact configuration with the light-emitting area 52 of LED/light source 50.
In one example, as shown in Fig. 2 the end face of all optical fiber 32 of multifiber 32 can be in the arrangement of square lattice shape.
Hereinafter, for convenience, such arrangement pattern is referred to as square lattice arrangement pattern.
In another example, as shown in figure 3, the end face of all optical fiber 32 of multifiber 32 can also be with most close in the plane
The mode of collection is i.e. in the sub- shape arrangement of hexagonal mesh.Hereinafter, for convenience, such arrangement pattern is referred to as the sub- arrangement figure of hexagonal mesh
Case.
In another example, as shown in figure 4, multifiber 32 can also be in the arrangement of ojosa shape.Hereinafter, for convenience,
Such arrangement pattern is referred to as ojosa arrangement pattern.The fibre bundle 30 of such ojosa arrangement is, for example, to lead to
Cross and what heating melted it and made is carried out to the multifiber 32 with the sub- arrangement mode arrangement of hexagonal mesh.
In the illuminating unit in endoscope 10 shown in Fig. 1, the incidence that the light sent from LED/light source 50 passes through fibre bundle 30
Side end face 42 is entered in multifiber 32.The light entered in multifiber 32 guides what is possessed to endoscope by optical fiber 32
The leading section of insertion section, is projected from the injection side end face 44 of fibre bundle 30, the leading section of the insertion section possessed to endoscope
It is illuminated in front of the leading section of periphery such as insertion section.
The present invention staff notices that in the usually used LED/light source 50 of such illuminating unit in endoscope 10 it is sent out
The Luminance Distribution of smooth surface 52 exists uneven.Fig. 5 is shown schematically in the Luminance Distribution of the light-emitting area 52 of LED/light source 50.Such as Fig. 5
It is shown, it is believed that the light-emitting area 52 of LED/light source 50 is divided into middle section A according to luminosity1, peripheral region A2And
Folding corner region A3Three regions.Middle section A1, peripheral region A2And folding corner region A3Each region in can be counted as it is several
Uniform brightness.In Figure 5, L1Show middle section A1Profile boundary line, L2Show peripheral region A2Profile
Boundary line, L52Show the boundary line of the profile of the light-emitting area 52 of LED/light source 50.
Middle section A1It is positioned at the central region of light-emitting area 52, with the shape similar to the shape of light-emitting area 52.
Folding corner region A3It is the region positioned at the corner of light-emitting area 52, each folding corner region A3With from square cut radius with this just
The shape of 90 degree of sector of the equal length on square one side.Peripheral region A2It is centrally located region A1Around area
Domain, with having cut middle section A from light-emitting area 521With four folding corner region A3Shape.
The middle section A of the light-emitting area 52 of LED/light source 501Highest brightness is shown.By middle section A1Brightness be used as phase
100% is set to the benchmark of evaluation.And brightness when not lighting is set to 0%.On the other hand, positioned at middle section A1
Outside light-emitting area 52 peripheral region A2In, its brightness is 80% or so.On the other hand, in the hair positioned at LED/light source 50
The folding corner region A of the corner of smooth surface 523In, its brightness at most 20% or so.
On middle section A1, peripheral region A2And folding corner region A3Area ratio, Ke Yishi, such as middle section A1
It is 60% or so of the area of light-emitting area 52, peripheral region A2It is 38% or so of the area of light-emitting area 52, folding corner region A3It is hair
2% or so of the area of smooth surface 52.
In Figure 5, from middle section A1The light sent is most suitable as illumination light, and due to from peripheral region A2Send
Light brightness with from middle section A1The light sent, which is compared also, far short of what is expected, therefore can also be used as illumination well
Light.Hereinafter, as needed, by middle section A1With peripheral region A2And referred to as effective light-emitting zone A12.On the other hand, due to from
Folding corner region A3The brightness of the light sent is substantially than from effective light-emitting zone A12The light sent is low, therefore is not suitable for use in illumination
Light.Its reason is as described below.
On fibre bundle 30, multifiber 32 is after being accommodated in protection pipe 34, in incident side end face 42 and injection side
Sleeve 36,38 is fixed at face 44.The multifiber 32 in protection pipe 34 is accommodated in reverse or offset in protection pipe 34.Cause
This, when multifiber 32 is fixed in sleeve 36,38, position on each comfortable light incident side end face 42 of multifiber 32 generally with
The position of each comfortable emitting side end face 44 of multifiber 32 is different.That is, arrangement figure of the multifiber 32 on incident side end face 42
Case can not possibly be kept in the range of the whole length of fibre bundle 30.Therefore, with folding corner region A3Opposed optical fiber 32 is distributed
In the case of the various pieces of side end face 44 are projected, produced on the injection side end face 44 of fibre bundle 30 in bright luminous point
Set in there is Luminance Distribution as dim luminous point laxly.It is uneven that such Luminance Distribution turns into illumination generation
The reason for.
Fig. 5 shows the example of the LED/light source of the light-emitting area with square, in the LED with rectangular light-emitting area
In light source, in addition to the shape of light-emitting area is changed into rectangle, similarly confirm that the folding corner region brightness only in corner is obvious
Decline.
Also, Fig. 5 shows the Luminance Distribution of single LED/light source, and the knot being arranged in a matrix in multiple LED/light sources
In structure, following situation is also confirmed：It is and single in the gamut for the compound light-emitting zone being made up of multiple LED/light sources
The single light-emitting zone of LED/light source similarly folding corner region of the brightness only in corner is decreased obviously.
In the lighting device 10 shown in Fig. 1, think always, multifiber 32 is on the incident side end face 42 of fibre bundle 30
Arrangement profile shapes and sizes it is consistent preferably with the shapes and sizes of the light-emitting area 52 of LED/light source 50.Fig. 6, Fig. 7 and
The arrangement of Fig. 8 and the multifiber 32 of the fibre bundle 30 based on the idea overlappingly enlargedly show the single dotted broken line shown in Fig. 5
The part in the upper left corner of the light-emitting area of LED/light source 50 that is surrounded of square.Fig. 6 shows the square lattice row shown in Fig. 2
The arrangement of the multifiber 32 of row pattern, Fig. 7 shows the row of the multifiber 32 of the hexagonal mesh arrangement pattern shown in Fig. 3
Row, Fig. 8 shows the arrangement of the multifiber 32 of the ojosa arrangement pattern shown in Fig. 4.
It was found from Fig. 6, Fig. 7 and Fig. 8, in the arbitrary examples shown in these figures, fibre bundle 30 is all included and LED/light source
The boundary line L of the profile of 50 light-emitting area 5252With peripheral region A2Profile boundary line L2Area encompassed (i.e. comer area
Domain A3) opposed multifiber 32.In such fibre bundle 30, due to it is above-mentioned the reasons why, from the injection side of fibre bundle 30
The illumination for the light that face 44 is projected produces uneven.
Fig. 9 and Figure 10 diagrammatically illustrate the incident side end of the fibre bundle 30 of the lighting device 10 of present embodiment.
In the lighting device 10 of present embodiment, as shown in Figure 9 and Figure 10, the multifiber 32 of the incident side end face 42 of fibre bundle 30
The profile of arrangement is formed as rounded square.For example, there is the structure of the light-emitting area 52 of square for LED/light source 50, such as Fig. 9 institutes
Show, the profile of the arrangement of the multifiber 32 of the incident side end face 42 of fibre bundle 30 is formed as rounded square.Also, for
LED/light source 50 has the structure of rectangular light-emitting area 52, as shown in Figure 10, many light of the incident side end face 42 of fibre bundle 30
The profile of the arrangement of fibre 32 is formed as fillet rectangle.
Figure 11 enlargedly show the incident side end face of the fibre bundle 30 shown in Fig. 9.Also, Figure 12, Figure 13 and Figure 14 with
The arrangement of the multifiber 32 of the fibre bundle 30 of present embodiment overlappingly enlargedly show the pros of the single dotted broken line shown in Fig. 5
The part in the upper left corner of the light-emitting area for the LED/light source 50 that shape is surrounded.Figure 12 shows the square lattice arrangement pattern shown in Fig. 2
Multifiber 32 arrangement, Figure 13 show shown in Fig. 3 hexagonal mesh arrangement pattern multifiber 32 arrangement, Figure 14
Show that the ojosa shown in Fig. 4 arranges the arrangement of the multifiber 32 of pattern.
In Subgraph in Figure 12, Figure 13 and Figure 14, the row of the multifiber 32 of the fibre bundle 30 of present embodiment
Row are all located at peripheral region A2Profile boundary line L2 inner side, not with the border of the profile of the light-emitting area 52 of LED/light source 50
Line L52 and peripheral region A2Profile the folding corner region A that are surrounded of boundary line L23It is overlapping.That is, the fibre bundle of present embodiment
The effective light-emitting zone A of 30 multifiber 32 all with the light-emitting area 52 of LED/light source 5012It is opposed.In other words, present embodiment
Fibre bundle 30 do not include folding corner region A with the light-emitting area 52 of LED/light source 50 completely3Opposed optical fiber.
For another viewpoint, the shapes and sizes of arrangement of the multifiber 32 on the incident side end face 42 of fibre bundle 30
It is considered that effective light-emitting zone A with the light-emitting area 52 of LED/light source 5012Shapes and sizes it is identical.Therefore, multifiber 32
The area of the profile of arrangement on the incident side end face 42 of fibre bundle 30 and the area of the light-emitting area 52 from LED/light source 50 are subtracted
Folding corner region A3Area obtained from value it is almost equal.
Therefore, the illumination of the light projected from the injection side end face 44 of fibre bundle 30 will not be produced caused by above-mentioned the reasons why
It is uneven.
Hereinafter, show and carried out to send from the light-emitting area 52 of LED/light source 50 by fibre bundle 30 under the conditions of several
Light guide the insertion section possessed to endoscope leading section experiment result.Using having, hexagonal mesh is sub to be arranged in an experiment
The fibre bundle 30 of the optical fiber 32 of row pattern, to the difference of the radius in the corner of the profile relative to optical fiber 32, the difference of result is entered
Evaluation is gone.The evaluation of experimental result is carried out for the uneven quality of the quality of lightness and illumination.
For the LED/light source 50 of the light-emitting area 52 of the size with 3mm × 3mm, the arrangement of the optical fiber 32 of fibre bundle 30
Profile is one side a=3mm rounded square, and following tables 1 shows R0.05 (radius 0.05mm) on corner, corner
R0.1 (radius 0.1mm), the R0.5 (radius 0.5mm) in corner, the respective results of R0.8 (radius 0.8mm) in corner.
【Table 1】
| (1) | R0.05 | Lightness O | Illumination inequality × |
| (2) | R0.1 | Lightness O | Illuminate inequality O |
| (3) | R0.5 | Lightness O | Illuminate inequality O |
| (4) | R0.8 | Lightness × | Illuminate inequality O |
According to table 1, it is known that herein below.Lightness is good in the range of R0.05 to R0.5, but in the case of R0.8
Lightness is not enough.On the other hand, no generation is illuminated in the range of R0.1 to R0.8 uneven, but in the case of R0.05
Illumination produces uneven.
For the LED/light source 50 of the light-emitting area 52 of the size with 5mm × 5mm, the arrangement of the optical fiber 32 of fibre bundle 30
Profile is one side a=5mm rounded square, and following tables 2 shows R0.1 (radius 0.1mm) on corner, corner
R0.2 (radius 0.2mm), the R0.8 (radius 0.8mm) in corner, the respective results of R1 (radius 1mm) in corner.
【Table 2】
| (1) | R0.1 | Lightness O | Illumination inequality × |
| (2) | R0.2 | Lightness O | Illuminate inequality O |
| (3) | R0.8 | Lightness O | Illuminate inequality O |
| (4) | R1 | Lightness × | Illuminate inequality O |
According to table 2, it is known that herein below.Lightness is good in the range of R0.1 to R0.8, but bright in the case of R1
Luminance shortage.On the other hand, no generation is illuminated in the range of R0.2 to R1 uneven, but the illumination production in the case of R0.1
Life is uneven.
For the LED/light source 50 of the light-emitting area 52 of the size with 3mm × 5mm, the arrangement of the optical fiber 32 of fibre bundle 30
Profile is short side a=3mm, long side b=5mm fillet rectangle, and following tables 3 shows the R.05 (radius on corner
0.05mm), the R0.1 (radius 0.1mm) in corner, the R0.5 (radius 0.5mm) in corner, the R0.8 (radius 0.8mm) in corner, angle
The respective results of R1 (radius 1mm) in portion.
【Table 3】
| (1) | R0.05 | Lightness O | Illumination inequality × |
| (2) | R0.1 | Lightness O | Illuminate inequality O |
| (3) | R0.5 | Lightness O | Illuminate inequality O |
| (4) | R0.8 | Lightness × | Illuminate inequality O |
According to table 3, it is known that herein below.Lightness is good in the range of R0.05 to R0.5, but in the case of R0.8
Lightness is not enough.On the other hand, no generation is illuminated in the range of R0.1 to R0.8 uneven, but in the case of R0.05
Illumination produces uneven.
According to the above, it can think as follows.If the half of the corner of the profile of the arrangement of the optical fiber 32 of fibre bundle 30
Footpath is excessive, then from effective light-emitting zone A of the light-emitting area 52 of LED/light source 5012The utilization rate of the light sent declines, therefore lightness
Produce not enough.If on the contrary, the radius in the corner of the profile of the arrangement of the optical fiber 32 of fibre bundle 30 is too small, from LED/light source
The folding corner region A of 50 light-emitting area 523The light sent enters fibre bundle 30, therefore illumination generation is uneven.
Accordingly, it is believed that effective light-emitting zone A of the light-emitting area 52 preferably based on the LED/light source 50 used12Size
The radius in the corner of the profile of the arrangement of the optical fiber 32 of fibre bundle 30 is set as appropriate numerical value with shape.
For example, the radius in the corner of rounded square may be set in a/30 to a/6 model relative to the length a on its one side
In enclosing, and the radius in the rectangular corner of fillet may be set in a/30 to a/6 scope relative to the length a of its short side
It is interior.
Claims (6)
1. a kind of lighting device of endoscope-use, it has LED/light source and fibre bundle, and the LED/light source, which has, to be shaped generally as putting down
The square light-emitting area in face, the fibre bundle guides the light sent from the LED/light source before the insertion section possessed to endoscope
End, the lighting device of the endoscope-use is characterised by,
The fibre bundle is harness multifiber and constitutes, the end face of a side of the fibre bundle and the institute of the LED/light source
State that light-emitting area is arranged opposite, the profile of arrangement of the multifiber on the end face of the fibre bundle is formed as fillet side
Shape.
2. lighting device according to claim 1, it is characterised in that
The profile of the arrangement of the multifiber is formed as rounded square.
3. lighting device according to claim 1, it is characterised in that
The profile of the arrangement of the multifiber is formed as fillet rectangle.
4. lighting device according to claim 1, it is characterised in that
When the length of the most short side in the side for setting the rounded square is a, the radius in the corner of the rounded square is set
In the range of a/30 to a/6.
5. lighting device according to claim 1, it is characterised in that
The area of the profile of arrangement of the multifiber on the end face of the fibre bundle and the institute from the LED/light source
Value obtained from the area in the corner that the area for stating light-emitting area subtracts the relatively low light-emitting area of luminosity is equal.
6. lighting device according to claim 5, it is characterised in that
The end face of the fibre bundle contacts configuration with the light-emitting area of the LED/light source.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-128763 | 2015-06-26 | ||
| JP2015128763A JP2018134117A (en) | 2015-06-26 | 2015-06-26 | Optical fiber bundle and lighting device for endoscope using the same |
| PCT/JP2016/059736 WO2016208245A1 (en) | 2015-06-26 | 2016-03-25 | Optical fiber bundle and illumination device for endoscope using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206362970U true CN206362970U (en) | 2017-07-28 |
Family
ID=57585511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201690000224.5U Expired - Fee Related CN206362970U (en) | 2015-06-26 | 2016-03-25 | The lighting device of endoscope-use |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2018134117A (en) |
| CN (1) | CN206362970U (en) |
| WO (1) | WO2016208245A1 (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04182691A (en) * | 1990-11-17 | 1992-06-30 | Access:Kk | Magnifying display device |
| US6921920B2 (en) * | 2001-08-31 | 2005-07-26 | Smith & Nephew, Inc. | Solid-state light source |
| JP5174330B2 (en) * | 2006-07-04 | 2013-04-03 | オリンパスメディカルシステムズ株式会社 | Endoscope |
| JP5218741B2 (en) * | 2008-03-04 | 2013-06-26 | スタンレー電気株式会社 | LED package |
| US8783890B2 (en) * | 2010-07-01 | 2014-07-22 | Sharp Kabushiki Kaisha | Illumination device, display device, television receiving device, and LED light source utilizing square shaped emission distributions |
| JP5810758B2 (en) * | 2011-08-31 | 2015-11-11 | 日亜化学工業株式会社 | Light emitting device |
| US20140153880A1 (en) * | 2012-11-30 | 2014-06-05 | General Electric Company | Device and method for bundling optical fibers |
| JP6107415B2 (en) * | 2013-05-23 | 2017-04-05 | 日亜化学工業株式会社 | Light emitting device |
-
2015
- 2015-06-26 JP JP2015128763A patent/JP2018134117A/en active Pending
-
2016
- 2016-03-25 WO PCT/JP2016/059736 patent/WO2016208245A1/en active Application Filing
- 2016-03-25 CN CN201690000224.5U patent/CN206362970U/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2018134117A (en) | 2018-08-30 |
| WO2016208245A1 (en) | 2016-12-29 |
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Granted publication date: 20170728 |